Fatal trap 12 after upgrading from 8.2 to 8.4

[Patrick]

I've got a system running on a VPS that I'm trying to upgrade from 8.2
to 8.4. It has a ZFS root. After booting the new kernel, I get:

Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address   = 0x40
fault code  = supervisor read data, page not present
instruction pointer = 0x20:0x810d7691
stack pointer   = 0x28:0xff81ba60
frame pointer   = 0x28:0xff81ba90
code segment= base 0x0, limit 0xf, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags= interrupt enabled, resume, IOPL = 0
current process = 1 (kernel)
trap number = 12
panic: page fault
cpuid = 0
KDB: stack backtrace:
#0 0x8066cb96 at kdb_backtrace+0x66
#1 0x8063925e at panic+0x1ce
#2 0x809c21d0 at trap_fatal+0x290
#3 0x809c255e at trap_pfault+0x23e
#4 0x809c2a2e at trap+0x3ce
#5 0x809a9624 at calltrap+0x8
#6 0x810df517 at vdev_mirror_child_select+0x67
#7 0x810dfacc at vdev_mirror_io_start+0x24c
#8 0x810f7c52 at zio_vdev_io_start+0x232
#9 0x810f76f3 at zio_execute+0xc3
#10 0x810f77ad at zio_wait+0x2d
#11 0x8108991e at arc_read+0x6ce
#12 0x8109d9d4 at dmu_objset_open_impl+0xd4
#13 0x810b4014 at dsl_pool_init+0x34
#14 0x810c7eea at spa_load+0x6aa
#15 0x810c90b2 at spa_load_best+0x52
#16 0x810cb0ca at spa_open_common+0x14a
#17 0x810a892d at dsl_dir_open_spa+0x2cd
Uptime: 3s
Cannot dump. Device not defined or unavailable.

I've booted back into the 8.2 kernel without any problems, but I'm
wondering if anyone can suggest what I should try to get this working?
I used freebsd-update to upgrade, and this was after the first
freebsd-update install where it installs the kernel.

My /boot/loader.conf has:

zfs_load=YES
vfs.root.mountfrom=zfs:zroot

Patrick
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Fatal trap 12: page fault while in kernel mode in FreeBSD 9.1

[rab fulton]

Hi, I recently upgraded from 9.0 to 9.1 and have scince been seeing a lot of 
system freezes. The system will sometimes freeze when I launch an application 
soon after startup. If it does not freeze soon after startup it tends to run 
fine for the rest of the day.
Full copy of core.txt @ http://pastebin.com/ezfAGGFL
--core.txt.0---
FreeBSD quadcore 9.1-RELEASE-p3 FreeBSD 9.1-RELEASE-p3 #0: Mon Apr 29 18:27:25 
UTC 2013 r...@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC  
amd64

panic: page fault

GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type show copying to see the conditions.
There is absolutely no warranty for GDB.  Type show warranty for details.
This GDB was configured as amd64-marcel-freebsd...

Unread portion of the kernel message buffer:


Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address   = 0x8008
fault code  = supervisor read data, page not present
instruction pointer = 0x20:0x80976e19
stack pointer   = 0x28:0xff8235870630
frame pointer   = 0x28:0xff8235870660
code segment= base 0x0, limit 0xf, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags= interrupt enabled, resume, IOPL = 0
current process = 1720 (mount_fusefs)
trap number = 12
panic: page fault
cpuid = 0
KDB: stack backtrace:
#0 0x809208d6 at kdb_backtrace+0x66
#1 0x808ea8ee at panic+0x1ce
#2 0x80bd8270 at trap_fatal+0x290
#3 0x80bd85ad at trap_pfault+0x1ed
#4 0x80bd8bce at trap+0x3ce
#5 0x80bc318f at calltrap+0x8
#6 0x8261a2f4 at fuse_mount+0x94
#7 0x80979371 at vfs_donmount+0x1081
#8 0x80979ad6 at sys_nmount+0x66
#9 0x80bd7b16 at amd64_syscall+0x546
#10 0x80bc3477 at Xfast_syscall+0xf7
Uptime: 4m32s
Dumping 545 out of 8156 MB:..3%..12%..21%..33%..42%..53%..62%..71%..83%..91%

...
(kgdb) #0  doadump (textdump=Variable textdump is not available.
) at pcpu.h:224
#1  0x808ea3d1 in kern_reboot (howto=260)
at /usr/src/sys/kern/kern_shutdown.c:448
#2  0x808ea8c7 in panic (fmt=0x1 Address 0x1 out of bounds)
at /usr/src/sys/kern/kern_shutdown.c:636
#3  0x80bd8270 in trap_fatal (frame=0xc, eva=Variable eva is not 
available.
)
at /usr/src/sys/amd64/amd64/trap.c:857
#4  0x80bd85ad in trap_pfault (frame=0xff8235870580, usermode=0)
at /usr/src/sys/amd64/amd64/trap.c:773
#5  0x80bd8bce in trap (frame=0xff8235870580)
at /usr/src/sys/amd64/amd64/trap.c:456
#6  0x80bc318f in calltrap ()
at /usr/src/sys/amd64/amd64/exception.S:228
#7  0x80976e19 in vfs_getopts (opts=0x8008, 
name=0x82621368 fspath, error=0xff82358707ac)
at /usr/src/sys/kern/vfs_mount.c:1516
#8  0x8261a2f4 in fuse_mount () from /usr/local/modules/fuse.ko
#9  0xfe000c6678e0 in ?? ()
#10 0xfe000c6678e0 in ?? ()
#11 0x00020202 in ?? ()
#12 0xfe022ffebaa8 in ?? ()
#13 0xfe000c6678e0 in ?? ()
#14 0x01020c6678e0 in ?? ()
#15 0x in ?? ()
#16 0xfe022ffea3a8 in ?? ()
#17 0x8119cb80 in see_other_uids ()
#18 0xff8235870700 in ?? ()
#19 0x808d598b in malloc_type_zone_allocated (mtp=0xfe000c6678e0, 
size=18446741874894338272, zindx=32776)
at /usr/src/sys/kern/kern_malloc.c:368
Previous frame inner to this frame (corrupt stack?)
(kgdb)
Any ideas?
thx   
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Fatal trap 12: page fault while in kernel mode

[Michael Stellar]

Hi,
   I have got these after running Freebsd 8.1 Release p1 Amd64 for a couple
hours, i have done kernel debugging it seems has anything to do with
sched_ule? :

admin# kgdb kernel.debug /var/crash/vmcore.0
GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain
conditions.
Type show copying to see the conditions.
There is absolutely no warranty for GDB.  Type show warranty for details.
This GDB was configured as amd64-marcel-freebsd...

Unread portion of the kernel message buffer:
kernel trap 12 with interrupts disabled


Fatal trap 12: page fault while in kernel mode
cpuid = 2; apic id = 02
fault virtual address   = 0x210
fault code  = supervisor read data, page not present
instruction pointer = 0x20:0x80392403
stack pointer   = 0x28:0xff869b30
frame pointer   = 0x28:0xff869ba0
code segment= base 0x0, limit 0xf, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags= resume, IOPL = 0
current process = 12 (swi4: clock)
trap number = 12
panic: page fault
cpuid = 2
Uptime: 3h43m34s
Physical memory: 4073 MB
Dumping 2401 MB: 2386

Fatal trap 1: privileged instruction fault while in kernel mode
cpuid = 1; apic id = 01
instruction pointer = 0x20:0xff8695a0
stack pointer   = 0x28:0xff80ae41bb30
frame pointer   = 0x28:0xff80ae41bb60
code segment= base 0x0, limit 0xf, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags= interrupt enabled, resume, IOPL = 0
current process = 12 (irq15: ata1)
trap number = 1
 2370 2354 2338 2322 2306 2290 2274 2258 2242 2226 2210 2194 2178 2162 2146
2130 2114 2098 2082 2066 2050 2034 2018 2002 1986 1970 1954 1938 1922 1906
1890 1874 1858 1842 1826 1810 1794 1778 1762 1746 1730 1714 1698 1682 1666
1650 1634 1618 1602 1586 1570 1554 1538 1522 1506 1490 1474 1458 1442 1426
1410 1394 1378 1362 1346 1330 1314 1298 1282 1266 1250 1234 1218 1202 1186
1170 1154 1138 1122 1106 1090 1074 1058 1042 1026 1010 994 978 962 946 930
914 898 882 866 850 834 818 802 786 770 754 738 722 706 690 674 658 642 626
610 594 578 562 546 530 514 498 482 466 450 434 418 402 386 370 354 338 322
306 290 274 258 242 226 210 194 178 162 146 130 114 98 82 66 50 34 18 2

Reading symbols from /boot/kernel/zfs.ko...Reading symbols from
/boot/kernel/zfs.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/zfs.ko
Reading symbols from /boot/kernel/opensolaris.ko...Reading symbols from
/boot/kernel/opensolaris.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/opensolaris.ko
Reading symbols from /boot/kernel/krpc.ko...Reading symbols from
/boot/kernel/krpc.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/krpc.ko
Reading symbols from /boot/kernel/geom_mirror.ko...Reading symbols from
/boot/kernel/geom_mirror.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/geom_mirror.ko
#0  doadump () at pcpu.h:223
223
(kgdb) list *0x80392403
0x80392403 is in softclock (/usr/src/sys/kern/kern_timeout.c:356).
351 cc-cc_softticks++;
352 bucket = cc-cc_callwheel[curticks 
callwheelmask];
353 c = TAILQ_FIRST(bucket);
354 while (c) {
355 depth++;
356 if (c-c_time != curticks) {
357 c = TAILQ_NEXT(c, c_links.tqe);
358 ++steps;
359 if (steps = MAX_SOFTCLOCK_STEPS) {
360 cc-cc_next = c;
(kgdb) list *0xff8695a0
No source file for address 0xff8695a0.
(kgdb) list *0xff8695a0
No source file for address 0xff8695a0.
(kgdb) backtrace
#0  doadump () at pcpu.h:223
#1  0x8037cf6a in boot (howto=260) at
/usr/src/sys/kern/kern_shutdown.c:416
#2  0x8037d399 in panic (fmt=0x80632a5c %s) at
/usr/src/sys/kern/kern_shutdown.c:590
#3  0x805ae847 in trap_fatal (frame=0xff869a80,
eva=33554448) at /usr/src/sys/amd64/amd64/trap.c:777
#4  0x805af693 in trap (frame=0xff869a80) at
/usr/src/sys/amd64/amd64/trap.c:300
#5  0x80592674 in calltrap () at
/usr/src/sys/amd64/amd64/exception.S:223
#6  0x80392403 in softclock (arg=Variable arg is not available.
) at /usr/src/sys/kern/kern_timeout.c:355
#7  0x8035224d in intr_event_execute_handlers (p=Variable p is not
available.
) at /usr/src/sys/kern/kern_intr.c:1220
#8  0x80353962 in ithread_loop (arg=0xff000168b460) at
/usr/src/sys/kern/kern_intr.c:1233
#9  0x8034fb29 in fork_exit (callout=0x803538d0
ithread_loop, arg=0xff000168b460, frame

Fatal trap 12: page fault while in kernel mode

[n dhert]

On a recently, from FreeBSD7.2 to 8.0, upgraded system, I got a spontaneous
reboot during last night.

A crash dump was made.

files in /var/crash contain:
# cat info.0
Dump header from device /dev/da0s1b
  Architecture: amd64
  Architecture Version: 2
  Dump Length: 2046042112B (1951 MB)
  Blocksize: 512
  Dumptime: Sat Jul 10 00:22:39 2010
  Hostname: radix.cmi.ua.ac.be
  Magic: FreeBSD Kernel Dump
  Version String: FreeBSD 8.0-RELEASE-p2 #0: Thu Feb 25 09:59:40 CET 2010
r...@radix.cmi.ua.ac.be:/usr/obj/usr/src/sys/GENERICQ
  Panic String: page fault
  Dump Parity: 1570614093
  Bounds: 0
  Dump Status: good
File core.txt.0 is 3276 lines, so this for now I dont' post. If there are
parts relevant, I will post them when asked.

On the other hand, I followed FreeBSD Manual Ch 18.13 How can I make the
most of the data I see when my kernel panics?
and gathered the output of  kgdb (see below)

(my custom kernel GENERICQ is exactly the same os the GENERIC kernel
except that disk quota is enabled, no other changes)

What's the cause and how to get this solved?
Is it a known bug in FreeBSD 8.0 

radix# kgdb /usr/obj/usr/src/sys/GENERICQ/kernel.debug /var/crash/vmcore.0

GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain
conditions.
Type show copying to see the conditions.
There is absolutely no warranty for GDB.  Type show warranty for details.
This GDB was configured as amd64-marcel-freebsd...
Unread portion of the kernel message buffer:
Fatal trap 12: page fault while in kernel mode
cpuid = 3; apic id = 03
fault virtual address   = 0x80
fault code  = supervisor read data, page not present
instruction pointer = 0x20:0x805a6761
stack pointer   = 0x28:0xff8a0a60
frame pointer   = 0x28:0xff8a0aa0
code segment= base 0x0, limit 0xf, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags= interrupt enabled, resume, IOPL = 0
current process = 12 (swi6: task queue)
trap number = 12
panic: page fault
cpuid = 3
Uptime: 38d14h25m5s
Physical memory: 8178 MB
Dumping 1951 MB:panic: bufwrite: buffer is not busy???
cpuid = 3
 1936 1920 1904 1888 1872 1856 1840 1824 1808 1792 1776 1760 1744 1728 1712
1696
 1680 1664 1648 1632 1616 1600 1584 1568 1552 1536 1520 1504 1488 1472 1456
1440
 1424 1408 1392 1376 1360 1344 1328 1312 1296 1280 1264 1248 1232 1216 1200
1184
 1168 1152 1136 1120 1104 1088 1072 1056 1040 1024 1008 992 976 960 944 928
912
896 880 864 848 832 816 800 784 768 752 736 720 704 688 672 656 640 624 608
592
576 560 544 528 512 496 480 464 448 432 416 400 384 368 352 336 320 304 288
272
256 240 224 208 192 176 160 144 128 112 96 80 64 48 32 16
Reading symbols from /boot/kernel/star_saver.ko...Reading symbols from
/boot/ker
nel/star_saver.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/star_saver.ko
#0  doadump () at pcpu.h:223
pcpu.h: No such file or directory.
in pcpu.h
(kgdb)
(kgdb) backtrace
#0  doadump () at pcpu.h:223
#1  0x8057f8c9 in boot (howto=260)
at /usr/src/sys/kern/kern_shutdown.c:416
#2  0x8057fcfc in panic (fmt=0x80926acc %s)
at /usr/src/sys/kern/kern_shutdown.c:579
#3  0x80861758 in trap_fatal (frame=0xff00019eaab0, eva=Variable
ev
a is not available.
)
at /usr/src/sys/amd64/amd64/trap.c:852
#4  0x80861b24 in trap_pfault (frame=0xff8a09b0, usermode=0)
at /usr/src/sys/amd64/amd64/trap.c:768
#5  0x80862414 in trap (frame=0xff8a09b0)
at /usr/src/sys/amd64/amd64/trap.c:494
#6  0x80848703 in calltrap ()
at /usr/src/sys/amd64/amd64/exception.S:224
#7  0x805a6761 in device_get_softc (dev=0x0)
at /usr/src/sys/kern/subr_bus.c:2294
#8  0x80269a37 in ata_generic_command (request=0xff01224df618)
at /usr/src/sys/dev/ata/ata-lowlevel.c:659
#9  0x80268510 in ata_begin_transaction (request=0xff01224df618)
at /usr/src/sys/dev/ata/ata-lowlevel.c:103
#10 0x8026a57c in ata_start (dev=0xff0001aac500)
at /usr/src/sys/dev/ata/ata-queue.c:212
#11 0x8026a807 in ata_queue_request (request=0xff01224df618)
at /usr/src/sys/dev/ata/ata-queue.c:95
#12 0x805baab3 in taskqueue_run (queue=0xff00019c1d80)
at /usr/src/sys/kern/subr_taskqueue.c:239
#13 0x805598cd in intr_event_execute_handlers (p=Variable p is not
ava
ilable.
)
at /usr/src/sys/kern/kern_intr.c:1165
#14 0x8055ae2e in ithread_loop (arg=0xff000187c460)
at /usr/src/sys/kern/kern_intr.c:1178
#15 0x80557898 in fork_exit (
callout=0x8055ada0 ithread_loop, arg=0xff000187c460,
frame=0xff8a0c80) at /usr/src/sys/kern/kern_fork.c:843
#16 0x80848bde in fork_trampoline ()
at /usr/src/sys/amd64/amd64

amd64: Fatal Trap 12 in high load situations

[ms80]

Hi

I have a problem installing / upgrading FreeBSD 8.0-release on a new machine.

The computers specs are:

cpu: AMD Phenom II X4
board: Gigabyte MA790GPT-UD3H
ram: 4x2GBytes DDR3/1333
hdd: 2xMaxtor STM31000528AS
nic: 4x Intel(R) PRO/1000

and I'm running 
FreeBSD phenom2.localnet 8.0-RELEASE FreeBSD 8.0-RELEASE #0: Sat Nov 21 
15:02:08 UTC 2009 r...@mason.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  
amd64

During 'make buildworld' the machine regulary crashes with the following 
panic:

Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual adress= 0x8
fault code  = supervisor write data, page not 
present
instruction pointer = 0x20:0x80578591
stack pointer   = 0x28:0xff80eab94700
frame pointer   = 0x28:0xff80eab94720
code segment= base 0x0, limit 0xf, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags= interrupt enabled, resume IOPL = 0
current process = 22039 (uudecode)
trap number = 12
panic: pagefault
cpuid = 0
Uptime: 2h35m4s
Physical memory: 8176 MB
Dumping 2195 MB: 2180 2164 2148 2132 2116


or this one, its from last night and the machine wrote a minidump before 
locking up:

Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address   = 0x8
fault code  = supervisor write data, page not 
present
instruction pointer = 0x20:0x80578591
stack pointer   = 0x28:0xff80eab21500
frame pointer   = 0x28:0xff80eab21520
code segment= base 0x0, limit 0xf, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags= interrupt enabled, resume, IOPL = 0
current process = 5238 (objcopy)
trap number = 12
panic: page fault
cpuid = 0
Uptime: 1h15m45s
Physical memory: 8176 MB
Dumping 2148 MB: 2133 2117 2101 2085 2069 2053 2037 2021 2005 1989 1973 1957 
1941 1925 1909 1893 1877 1861 1845 1829 1813 1797 1781 1765 1749 1733 1717 
1701 1685 1669 1653 1637 1621 1605 1589 1573 1557 1541 1525 1509 1493 1477 
1461 1445 1429 1413 1397 1381 1365 1349 1333 1317 1301 1285 1269 1253 1237 
1221 1205 1189 1173 1157 1141 1125 1109 1093 1077 1061 1045 1029 1013 997 981 
965 949 933 917 901 885 869 853 837 821 805 789 773 757 741 725 709 693 677 
661 645 629 613 597 581 565 549 533 517 501 485 469 453 437 421 405 389 373 
357 341 325 309 293 277 261 245 229 213 197 181 165 149 133 117 101 85 69 53 
37 21 5


While the 'current process' is a different one at any crash, 'Fatal trap 12' 
and 'supervisor write data, page not present' are always the same, just as the 
instruction pointer 0x80578591 and virtual address.  

The most times, the kernel hangs completly so I have to hard reset the machine 
to get it responding again. About once in every ten crashs it is able to write 
a dump before rebooting or locking up. I have no knowledge in debugging the 
kernel (or debugging anything else) so I tried what I found in the handbook. 
This resulted in the following:

kgdb kernel.debug /var/crash/vmcore.0
GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type show copying to see the conditions.
There is absolutely no warranty for GDB.  Type show warranty for details.
This GDB was configured as amd64-marcel-freebsd...
Cannot access memory at address 0x400
(kgdb) list *0x80578591
0x80578591 is in lf_advlockasync (/usr/src/sys/kern/kern_lockf.c:604).
599 LIST_INIT(ls-ls_active);
600 LIST_INIT(ls-ls_pending);
601 ls-ls_threads = 1;
602
603 sx_xlock(lf_lock_states_lock);
604 LIST_INSERT_HEAD(lf_lock_states, ls, ls_link);
605 sx_xunlock(lf_lock_states_lock);
606
607 /*
608  * Cope if we lost a race with some other thread while
(kgdb) backtrace
#0  0x in ?? ()
Cannot access memory at address 0x0


So here are my questions:
1. Are there any known caveats or quirks regarding my hardware?
2. What can I do to further investigate this issue
3. Not fully on topic but might be related: The buildsystem recognizes my cpu 
as 686 class cpu wich is wrong. Are there any switches I can set in 
make.conf to have 'make' use the correct values? Currently I'm using a blank 
make.conf, meaning it is not present (as it is by default on a fresh installed 
system).

If you need any more Information, I would be happy to provide it

best regards,
Sven

--
00
--
00

Re: amd64: Fatal Trap 12 in high load situations

[Michael Powell]

ms80 wrote:

 Hi
 
 I have a problem installing / upgrading FreeBSD 8.0-release on a new
 machine.
 
 The computers specs are:
 
 cpu: AMD Phenom II X4
 board: Gigabyte MA790GPT-UD3H
 ram: 4x2GBytes DDR3/1333
 hdd: 2xMaxtor STM31000528AS
 nic: 4x Intel(R) PRO/1000
[snip]
 
 
 So here are my questions:
 1. Are there any known caveats or quirks regarding my hardware?
 2. What can I do to further investigate this issue
 3. Not fully on topic but might be related: The buildsystem recognizes my
 cpu as 686 class cpu wich is wrong. Are there any switches I can set in
 make.conf to have 'make' use the correct values? Currently I'm using a
 blank make.conf, meaning it is not present (as it is by default on a fresh
 installed system).
 
[snip]

I am using this motherboard with an AMD x4 630 Propus cpu and 4G Ram 
(2x2GB). I have done a basic overclock to 3.36GHz with the ram running at 
1600MHz. This is my KDE4 desktop machine running FreeBSD 8 and all ports 
currently up to date.

When selecting the RAM to put on this motherboard you should have consulted 
the list from Gigabyte for approved memory and chosen very carefully. The 
memory I actually have was not an exact line item from the list, but it was 
something extremely close and which was designed and manufactured for use 
with an AM3 socket motherboard.

You will notice that some RAM today is designed for Intel P55 chipsets and 
Lynnfield processors while other RAM is designed specifically for AM3/AM2 
socket use. It is probably not a good idea to disregard this during 
selection, e.g. memory not specifically meant for AM3 socket mobos may not 
function correctly.

I also seem to recall seeing somewhere that this motherboard acquires 
limitations in overclocking when all 4 sockets are filled and the best 
overclocking results when only 2 sockets are in use. I am only using 2 
sockets in a 2x2GB arrangement for 4GB RAM total. If you are not 
overclocking and have all 4 sockets filled you may not be able to go above 
1066MHz memory multiplier. With only 2 sockets populated 1333MHz should be 
attainable. 

I believe your problem centers around memory. It may not be designed for AM3 
socket and/or may not be able to handle a higher memory multiplier. When I 
first put this motherboard in I attempted to boot from an already installed 
OS with the memory multiplier set too high and saw numerous examples similar 
to what you are describing. Since I had bought 1600MHz memory I mistakenly 
set the multiplier too high. When I set it back to 1333MHz everything was 
fine. Either the memory multiplier is set too high for your RAM or it is 
just the wrong RAM to begin with.

As far as make.conf goes I use: CPUTYPE?= k8

-Mike


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Re: amd64: Fatal Trap 12 in high load situations

[ms80]

Am Saturday 06 February 2010 11:38:25 schrob Michael Powell:
 ms80 wrote:
  Hi
 
  I have a problem installing / upgrading FreeBSD 8.0-release on a new
  machine.
 
  The computers specs are:
 
  cpu: AMD Phenom II X4
  board: Gigabyte MA790GPT-UD3H
  ram: 4x2GBytes DDR3/1333
  hdd: 2xMaxtor STM31000528AS
  nic: 4x Intel(R) PRO/1000
 
 [snip]
 
  So here are my questions:
  1. Are there any known caveats or quirks regarding my hardware?
  2. What can I do to further investigate this issue
  3. Not fully on topic but might be related: The buildsystem recognizes my
  cpu as 686 class cpu wich is wrong. Are there any switches I can set in
  make.conf to have 'make' use the correct values? Currently I'm using a
  blank make.conf, meaning it is not present (as it is by default on a
  fresh installed system).
 
 [snip]
 

[snip too]

 
 I believe your problem centers around memory. It may not be designed for
  AM3 socket and/or may not be able to handle a higher memory multiplier.
  When I first put this motherboard in I attempted to boot from an already
  installed OS with the memory multiplier set too high and saw numerous
  examples similar to what you are describing. Since I had bought 1600MHz
  memory I mistakenly set the multiplier too high. When I set it back to
  1333MHz everything was fine. Either the memory multiplier is set too high
  for your RAM or it is just the wrong RAM to begin with.
 
 As far as make.conf goes I use: CPUTYPE?= k8
 
 -Mike
 


Hi 

Thank you for your reply.
I'm using two of this: OCZ3P1333LVAM4GK  
(OCZ DDR3 AMD Edition, rated for 1333MHz at 1.65V). My Board is rated for 1066 
- 1600 MHz memory, and neither the website nor the manual say anything about 
limitations with memory. Anyway: I didn't overclock cpu or memory. I have 
stability and long life in mind, so I try to keep the hardware cool. During 
testing I underclocked the memory with 1066 and 800 MHz which didn't help: The 
machine crashes anyway. The only thing to note is that by default the board 
tries to set 1.5V DDR3 Voltage which is wrong, you have to set it to 1.65V 
manually.

A faulty piece of hardware was the first thing I suspected and I tested among 
other things the memory with memtest86+. This runs fine for 4 passes, without 
any error. As far as I can tell, my memory subsystem is ok.

As for make.conf: thanks, I will set this when I try again.

with best regards

Sven

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Re: amd64: Fatal Trap 12 in high load situations

[David N]

On 6 February 2010 22:18, ms80 m...@dynamik.sytes.net wrote:
 Am Saturday 06 February 2010 11:38:25 schrob Michael Powell:
 ms80 wrote:
  Hi
 
  I have a problem installing / upgrading FreeBSD 8.0-release on a new
  machine.
 
  The computers specs are:
 
  cpu: AMD Phenom II X4
  board: Gigabyte MA790GPT-UD3H
  ram: 4x2GBytes DDR3/1333
  hdd: 2xMaxtor STM31000528AS
  nic: 4x Intel(R) PRO/1000

 [snip]

  So here are my questions:
  1. Are there any known caveats or quirks regarding my hardware?
  2. What can I do to further investigate this issue
  3. Not fully on topic but might be related: The buildsystem recognizes my
  cpu as 686 class cpu wich is wrong. Are there any switches I can set in
  make.conf to have 'make' use the correct values? Currently I'm using a
  blank make.conf, meaning it is not present (as it is by default on a
  fresh installed system).

 [snip]


 [snip too]


 I believe your problem centers around memory. It may not be designed for
  AM3 socket and/or may not be able to handle a higher memory multiplier.
  When I first put this motherboard in I attempted to boot from an already
  installed OS with the memory multiplier set too high and saw numerous
  examples similar to what you are describing. Since I had bought 1600MHz
  memory I mistakenly set the multiplier too high. When I set it back to
  1333MHz everything was fine. Either the memory multiplier is set too high
  for your RAM or it is just the wrong RAM to begin with.

 As far as make.conf goes I use: CPUTYPE?= k8

 -Mike



 Hi

 Thank you for your reply.
 I'm using two of this: OCZ3P1333LVAM4GK
 (OCZ DDR3 AMD Edition, rated for 1333MHz at 1.65V). My Board is rated for 1066
 - 1600 MHz memory, and neither the website nor the manual say anything about
 limitations with memory. Anyway: I didn't overclock cpu or memory. I have
 stability and long life in mind, so I try to keep the hardware cool. During
 testing I underclocked the memory with 1066 and 800 MHz which didn't help: The
 machine crashes anyway. The only thing to note is that by default the board
 tries to set 1.5V DDR3 Voltage which is wrong, you have to set it to 1.65V
 manually.

 A faulty piece of hardware was the first thing I suspected and I tested among
 other things the memory with memtest86+. This runs fine for 4 passes, without
 any error. As far as I can tell, my memory subsystem is ok.

 As for make.conf: thanks, I will set this when I try again.

 with best regards

 Sven

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What power supply do you have?
How many watts? brand?

If you have insufficient power, it may cause the system to become unstable.

Regards
David N
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Re: amd64: Fatal Trap 12 in high load situations

[Michael Powell]

ms80 wrote:

[snip]
 
 Thank you for your reply.
 I'm using two of this: OCZ3P1333LVAM4GK
 (OCZ DDR3 AMD Edition, rated for 1333MHz at 1.65V). My Board is rated for
 1066 - 1600 MHz memory, and neither the website nor the manual say
 anything about limitations with memory. Anyway: I didn't overclock cpu or
 memory. I have stability and long life in mind, so I try to keep the
 hardware cool. During testing I underclocked the memory with 1066 and 800
 MHz which didn't help: The machine crashes anyway. The only thing to note
 is that by default the board tries to set 1.5V DDR3 Voltage which is
 wrong, you have to set it to 1.65V manually.
 
 A faulty piece of hardware was the first thing I suspected and I tested
 among other things the memory with memtest86+. This runs fine for 4
 passes, without any error. As far as I can tell, my memory subsystem is
 ok.
 

Poking around in the OCZ forum for something I thought I recalled seeing 
somewhere before. I had seen reports that this board might be touchy about 
1.65v memory. As far as the consensus goes with the small sampling I looked 
at, it seemed that 1.63 or 1.64 vdc was the sweet spot. Some claims are that 
it didn't want to work at anything either above or below this range.

My RAM is OCZ3BE1600C8LV4GK (anything with BE or AM in the part number is 
designed specifically for AM3). I thought it was 1.5v, but since I didn't 
remember for certain I checked and it shows a spec for 1.65v. However, I 
rebooted so I could look at the CMOS/BIOS stuff and I have the System 
Voltage Control section set for AUTO for all. Then I looked in the PC 
Health Status page and on the DDR3 1.5V line it was only reading 1.600v.

There seems to be a general feeling the newer AMD processors don't much care 
for higher memory voltages. Try lowering your voltages and see if it helps.

I am successfully using this board with the CPU clock set at 240MHz, which 
with the x14 multiplier results in 3.36GHz operation. The Hypertransport and 
FSB bus speeds are 2400MHz and the memory is running at 1599MHz at the x6.66 
multiplier. When I get the RAM up to 1680MHz is where I can get it to 
freeze. As long as I don't do that it is totally stable.

-Mike


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Re: amd64: Fatal Trap 12 in high load situations

[ms80]

Am Saturday 06 February 2010 14:03:06 schrob David N:
[snip]

 
 What power supply do you have?
 How many watts? brand?
 
 If you have insufficient power, it may cause the system to become unstable.
 
 Regards
 David N

I tested with an Enermax EPR425AWT Pro82+ II, 425W wich was the psu I bought 
and intended to use with this computer. 
After stumbling across the instabilities I tested with a 
HEC 550TE-2WX 550W, but it made no difference, so either both are faulty / 
insufficient or the problem is something else.

regards,

Sven
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Re: amd64: Fatal Trap 12 in high load situations

[ms80]

Am Saturday 06 February 2010 14:37:16 schrob Michael Powell:
 ms80 wrote:
[snip]

 
 There seems to be a general feeling the newer AMD processors don't much
  care for higher memory voltages. Try lowering your voltages and see if it
  helps.
 
 I am successfully using this board with the CPU clock set at 240MHz, which
 with the x14 multiplier results in 3.36GHz operation. The Hypertransport
  and FSB bus speeds are 2400MHz and the memory is running at 1599MHz at the
  x6.66 multiplier. When I get the RAM up to 1680MHz is where I can get it
  to freeze. As long as I don't do that it is totally stable.
 
 -Mike
 
 

My CPU is an AMD Phenom II  X 4 905e. Its (default) settings are:

CPU Clock Ratio (Auto) 2500MHz
CPU Northbridge Freq.   (Auto) 2000MHz
CPU Host Clock Contr.   (Auto)
HT Link Width   (Auto)
HT Link Freq.   (Auto) 2000MHz
Memory Clock(x6.66 ) 1333MHz

I set the DDR3 voltage to auto, now it shows about 1.58V. 
Testing will take a little bit. Thank you for the hint.

regards,

Sven
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Re: amd64: Fatal Trap 12 in high load situations

[ms80]

Am Saturday 06 February 2010 10:17:05 schrob ms80:
 Hi
 
 I have a problem installing / upgrading FreeBSD 8.0-release on a new
  machine.
 
 The computers specs are:
 
 cpu: AMD Phenom II X4
 board: Gigabyte MA790GPT-UD3H
 ram: 4x2GBytes DDR3/1333
 hdd: 2xMaxtor STM31000528AS
 nic: 4x Intel(R) PRO/1000
 
 and I'm running
 FreeBSD phenom2.localnet 8.0-RELEASE FreeBSD 8.0-RELEASE #0: Sat Nov 21
 15:02:08 UTC 2009
  r...@mason.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64
 
 During 'make buildworld' the machine regulary crashes with the following
 panic:
 
 Fatal trap 12: page fault while in kernel mode
 cpuid = 0; apic id = 00
 fault virtual adress  = 0x8
 fault code= supervisor write data, page not 
 present
 instruction pointer   = 0x20:0x80578591
 stack pointer = 0x28:0xff80eab94700
 frame pointer = 0x28:0xff80eab94720
 code segment  = base 0x0, limit 0xf, type 0x1b
   = DPL 0, pres 1, long 1, def32 0, gran 1
 processor eflags  = interrupt enabled, resume IOPL = 0
 current process   = 22039 (uudecode)
 trap number   = 12
 panic: pagefault
 cpuid = 0
 Uptime: 2h35m4s
 Physical memory: 8176 MB
 Dumping 2195 MB: 2180 2164 2148 2132 2116
 
 
 or this one, its from last night and the machine wrote a minidump before
 locking up:
 
 Fatal trap 12: page fault while in kernel mode
 cpuid = 0; apic id = 00
 fault virtual address = 0x8
 fault code= supervisor write data, page not 
 present
 instruction pointer   = 0x20:0x80578591
 stack pointer = 0x28:0xff80eab21500
 frame pointer = 0x28:0xff80eab21520
 code segment  = base 0x0, limit 0xf, type 0x1b
   = DPL 0, pres 1, long 1, def32 0, gran 1
 processor eflags  = interrupt enabled, resume, IOPL = 0
 current process   = 5238 (objcopy)
 trap number   = 12
 panic: page fault
 cpuid = 0
 Uptime: 1h15m45s
 Physical memory: 8176 MB
 Dumping 2148 MB: 2133 2117 2101 2085 2069 2053 2037 2021 2005 1989 1973
  1957 1941 1925 1909 1893 1877 1861 1845 1829 1813 1797 1781 1765 1749 1733
  1717 1701 1685 1669 1653 1637 1621 1605 1589 1573 1557 1541 1525 1509 1493
  1477 1461 1445 1429 1413 1397 1381 1365 1349 1333 1317 1301 1285 1269 1253
  1237 1221 1205 1189 1173 1157 1141 1125 1109 1093 1077 1061 1045 1029 1013
  997 981 965 949 933 917 901 885 869 853 837 821 805 789 773 757 741 725
  709 693 677 661 645 629 613 597 581 565 549 533 517 501 485 469 453 437
  421 405 389 373 357 341 325 309 293 277 261 245 229 213 197 181 165 149
  133 117 101 85 69 53 37 21 5
 
[snip]

I know, its kind of stupid to reply to my own mails, but for reference:
I edited loader.conf to contain 
ahci_load=YES

So far it works: The machine compiled all night and didn't crash.

I had the idea because yesterday while testing the proposal to lower the ddr3 
voltages, the machine crashed again. Additionally to the panic I'm already 
used to, I had a second panic in my core.txt.1: This was a fatal trap 1, 
referencing (current process) to irq 22. I checked what irq22 is and it is my 
atapci (ATI IXP700/800 SATA300 controller). Googling a bit around I found a 
tutorial how to activate ahci. I gave it a try and as said above: So far it 
seems to work.

regards

Sven
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FATAL TRAP 12

[Jesús Abidan]

Someone has had problems with this type of issues? what it is related to?
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Re[8]: fatal trap 12

[georg]

Hello.

After patch, whan make kernel I have this:
/usr/src/sys/kern/vfs_vnops.c:750:37: error: macro vn_lock requires 3 
arguments, but only 2 given
/usr/src/sys/kern/vfs_vnops.c: In function 'vn_ioctl':
/usr/src/sys/kern/vfs_vnops.c:750: error: 'vn_lock' undeclared (first use in 
this function)
/usr/src/sys/kern/vfs_vnops.c:750: error: (Each undeclared identifier is 
reported only once
/usr/src/sys/kern/vfs_vnops.c:750: error: for each function it appears in.)
/usr/src/sys/kern/vfs_vnops.c:769: error: too few arguments to function 
'VOP_UNLOCK'
*** Error code 1

This problem with crashes I have after cPanel update perl to version
5.10.0...
Can some body tell me - is this global problem of FreeBSD or it only
with my installation?

 [Please, remove the questions@ on the reply, this is the topic for
 f...@].


 On Sat, Jun 06, 2009 at 08:16:00PM +0400, Chagin Dmitry wrote:
 - Forwarded message from ge...@dts.su -
 
 Date: Sat, 6 Jun 2009 10:58:11 +0400
 From: ge...@dts.su
 To: freebsd-questions@freebsd.org
 Subject: Re[2]: fatal trap 12
 
 Hello, Freebsd-questions.
 
 After one of new crash I have this:
 
 GNU gdb 6.1.1 [FreeBSD]
 Copyright 2004 Free Software Foundation, Inc.
 GDB is free software, covered by the GNU General Public License, and you are
 welcome to change it and/or distribute copies of it under certain conditions.
 Type show copying to see the conditions.
 There is absolutely no warranty for GDB.  Type show warranty for details.
 This GDB was configured as amd64-marcel-freebsd...
 
 Unread portion of the kernel message buffer:
 
 
 Fatal trap 12: page fault while in kernel mode
 cpuid = 2; apic id = 02
 fault virtual address   = 0x0
 fault code  = supervisor read data, page not present
 instruction pointer = 0x8:0x804c4eb8
 stack pointer   = 0x10:0xff807a0478f0
 frame pointer   = 0x10:0xff807a047930
 code segment= base 0x0, limit 0xf, type 0x1b
 = DPL 0, pres 1, long 1, def32 0, gran 1
 processor eflags= interrupt enabled, resume, IOPL = 0
 current process = 32668 (perl5.10.0)
 Physical memory: 4082 MB
 Dumping 1647 MB: 1632 1616 1600 1584 1568 1552 1536 1520 1504 1488 1472 1456 
 1440 1424 1408 1392 1376 1360 1344 1328 1312 1296 1280 1264 1248 1232 1216 
 1200 1184 1168 1152 1136 1120 1104 1088 1072 1056 1040 1024 1008 992 976 960 
 944 928 912 896 880 864 848 832 816 800 784 768 752 736 720 704 688 672 656 
 640 624 608 592 576 560 544 528 512 496 480 464 448 432 416 400 384 368 352 
 336 320 304 288 272 256 240 224 208 192 176 160 144 128 112 96 80 64 48 32 16
 
 Reading symbols from /boot/kernel/accf_http.ko...Reading symbols from 
 /boot/kernel/accf_http.ko.symbols...done.
 done.
 Loaded symbols for /boot/kernel/accf_http.ko
 #0  doadump () at pcpu.h:195
 195 __asm __volatile(movq %%gs:0,%0 : =r (td));
 (kgdb) list *0x804c4eb8
 0x804c4eb8 is in pfs_ioctl 
 (/usr/src/sys/fs/pseudofs/pseudofs_vnops.c:265).
 260 static int
 261 pfs_ioctl(struct vop_ioctl_args *va)
 262 {
 263 struct vnode *vn = va-a_vp;
 264 struct pfs_vdata *pvd = vn-v_data;
 265 struct pfs_node *pn = pvd-pvd_pn;
 266 struct proc *proc;
 267 int error;
 268
 269 PFS_TRACE((%s: %lx, pn-pn_name, va-a_command));
 (kgdb) backtrace
 #0  doadump () at pcpu.h:195
 #1  0x801c8dac in db_fncall (dummy1=Variable dummy1 is not 
 available.
 ) at /usr/src/sys/ddb/db_command.c:516
 #2  0x801c92df in db_command (last_cmdp=0x80b30c88, 
 cmd_table=0x0, dopager=1) at /usr/src/sys/ddb/db_command.c:413
 #3  0x801c94f0 in db_command_loop () at 
 /usr/src/sys/ddb/db_command.c:466
 #4  0x801cb0d9 in db_trap (type=Variable type is not available.
 ) at /usr/src/sys/ddb/db_main.c:228
 #5  0x80554e55 in kdb_trap (type=12, code=0, tf=0xff807a047840) 
 at /usr/src/sys/kern/subr_kdb.c:524
 #6  0x807fae80 in trap_fatal (frame=0xff807a047840, eva=Variable 
 eva is not available.
 ) at /usr/src/sys/amd64/amd64/trap.c:752
 #7  0x807fb254 in trap_pfault (frame=0xff807a047840, usermode=0) 
 at /usr/src/sys/amd64/amd64/trap.c:673
 #8  0x807fbc02 in trap (frame=0xff807a047840) at 
 /usr/src/sys/amd64/amd64/trap.c:444
 #9  0x807df35e in calltrap () at 
 /usr/src/sys/amd64/amd64/exception.S:209
 #10 0x804c4eb8 in pfs_ioctl (va=0xff807a047a10) at 
 /usr/src/sys/fs/pseudofs/pseudofs_vnops.c:264
 #11 0x805bb1d3 in vn_ioctl (fp=Variable fp is not available.
 ) at vnode_if.h:437
 #12 0x80562d02 in kern_ioctl (td=0xff0006682000, fd=3, 
 com=1076655123, data=0xff00ad2b7d40 ) at file.h:269
 #13 0x80563029 in ioctl (td=0xff0006682000, 
 uap=0xff807a047bf0) at /usr/src/sys/kern/sys_generic.c:571
 #14 0x807fb4d6 in syscall (frame=0xff807a047c80) at 
 /usr/src/sys/amd64/amd64/trap.c:900
 #15

Re[2]: fatal trap 12

[georg]

Hello, Freebsd-questions.

After one of new crash I have this:

GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type show copying to see the conditions.
There is absolutely no warranty for GDB.  Type show warranty for details.
This GDB was configured as amd64-marcel-freebsd...

Unread portion of the kernel message buffer:


Fatal trap 12: page fault while in kernel mode
cpuid = 2; apic id = 02
fault virtual address   = 0x0
fault code  = supervisor read data, page not present
instruction pointer = 0x8:0x804c4eb8
stack pointer   = 0x10:0xff807a0478f0
frame pointer   = 0x10:0xff807a047930
code segment= base 0x0, limit 0xf, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags= interrupt enabled, resume, IOPL = 0
current process = 32668 (perl5.10.0)
Physical memory: 4082 MB
Dumping 1647 MB: 1632 1616 1600 1584 1568 1552 1536 1520 1504 1488 1472 1456 
1440 1424 1408 1392 1376 1360 1344 1328 1312 1296 1280 1264 1248 1232 1216 1200 
1184 1168 1152 1136 1120 1104 1088 1072 1056 1040 1024 1008 992 976 960 944 928 
912 896 880 864 848 832 816 800 784 768 752 736 720 704 688 672 656 640 624 608 
592 576 560 544 528 512 496 480 464 448 432 416 400 384 368 352 336 320 304 288 
272 256 240 224 208 192 176 160 144 128 112 96 80 64 48 32 16

Reading symbols from /boot/kernel/accf_http.ko...Reading symbols from 
/boot/kernel/accf_http.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/accf_http.ko
#0  doadump () at pcpu.h:195
195 __asm __volatile(movq %%gs:0,%0 : =r (td));
(kgdb) list *0x804c4eb8
0x804c4eb8 is in pfs_ioctl 
(/usr/src/sys/fs/pseudofs/pseudofs_vnops.c:265).
260 static int
261 pfs_ioctl(struct vop_ioctl_args *va)
262 {
263 struct vnode *vn = va-a_vp;
264 struct pfs_vdata *pvd = vn-v_data;
265 struct pfs_node *pn = pvd-pvd_pn;
266 struct proc *proc;
267 int error;
268
269 PFS_TRACE((%s: %lx, pn-pn_name, va-a_command));
(kgdb) backtrace
#0  doadump () at pcpu.h:195
#1  0x801c8dac in db_fncall (dummy1=Variable dummy1 is not available.
) at /usr/src/sys/ddb/db_command.c:516
#2  0x801c92df in db_command (last_cmdp=0x80b30c88, 
cmd_table=0x0, dopager=1) at /usr/src/sys/ddb/db_command.c:413
#3  0x801c94f0 in db_command_loop () at 
/usr/src/sys/ddb/db_command.c:466
#4  0x801cb0d9 in db_trap (type=Variable type is not available.
) at /usr/src/sys/ddb/db_main.c:228
#5  0x80554e55 in kdb_trap (type=12, code=0, tf=0xff807a047840) at 
/usr/src/sys/kern/subr_kdb.c:524
#6  0x807fae80 in trap_fatal (frame=0xff807a047840, eva=Variable 
eva is not available.
) at /usr/src/sys/amd64/amd64/trap.c:752
#7  0x807fb254 in trap_pfault (frame=0xff807a047840, usermode=0) at 
/usr/src/sys/amd64/amd64/trap.c:673
#8  0x807fbc02 in trap (frame=0xff807a047840) at 
/usr/src/sys/amd64/amd64/trap.c:444
#9  0x807df35e in calltrap () at 
/usr/src/sys/amd64/amd64/exception.S:209
#10 0x804c4eb8 in pfs_ioctl (va=0xff807a047a10) at 
/usr/src/sys/fs/pseudofs/pseudofs_vnops.c:264
#11 0x805bb1d3 in vn_ioctl (fp=Variable fp is not available.
) at vnode_if.h:437
#12 0x80562d02 in kern_ioctl (td=0xff0006682000, fd=3, 
com=1076655123, data=0xff00ad2b7d40 ) at file.h:269
#13 0x80563029 in ioctl (td=0xff0006682000, uap=0xff807a047bf0) 
at /usr/src/sys/kern/sys_generic.c:571
#14 0x807fb4d6 in syscall (frame=0xff807a047c80) at 
/usr/src/sys/amd64/amd64/trap.c:900
#15 0x807df56b in Xfast_syscall () at 
/usr/src/sys/amd64/amd64/exception.S:330
#16 0x000800c9c0ec in ?? ()
Previous frame inner to this frame (corrupt stack?)
(kgdb)


Can You help me? What can I do? Server crash periodicaly...

  For this question, you must debug the kernel by Serial. 
 when fatal, you use find the error by command bt.

 --   
 Dean
 2009-06-02

 -
 发件人：georg
 发送日期：2009-06-02 14:51:45
 收件人：freebsd-questions
 抄送：
 主题：fatal trap 12

 Hello, Freebsd-questions.

I use FreeBSD 7.2-STABLE amd64. About month ago system was crashed
with  Fatal trap 12...
I bay new hardware and install new FreeBSD 7.2-STABLE amd64. cPanel
and ASSP (anti spam proxy). And one a day or two days have this:

Fatal trap 12: page fault while in kernel mode
cpuid: = 0; apic id = 00
fault virtual address = 0x80
fault code= supervisor write data, page not present
instruction pointer   = 0x8:0x8018b839
stack pointer = 0x10:0xff807a25d190
frame

Re: Re[2]: fatal trap 12

[Paul B. Mahol]

On 6/6/09, ge...@dts.su ge...@dts.su wrote:
 Hello, Freebsd-questions.

 After one of new crash I have this:

 GNU gdb 6.1.1 [FreeBSD]
 Copyright 2004 Free Software Foundation, Inc.
 GDB is free software, covered by the GNU General Public License, and you are
 welcome to change it and/or distribute copies of it under certain
 conditions.
 Type show copying to see the conditions.
 There is absolutely no warranty for GDB.  Type show warranty for details.
 This GDB was configured as amd64-marcel-freebsd...

 Unread portion of the kernel message buffer:


 Fatal trap 12: page fault while in kernel mode
 cpuid = 2; apic id = 02
 fault virtual address   = 0x0
 fault code  = supervisor read data, page not present
 instruction pointer = 0x8:0x804c4eb8
 stack pointer   = 0x10:0xff807a0478f0
 frame pointer   = 0x10:0xff807a047930
 code segment= base 0x0, limit 0xf, type 0x1b
 = DPL 0, pres 1, long 1, def32 0, gran 1
 processor eflags= interrupt enabled, resume, IOPL = 0
 current process = 32668 (perl5.10.0)
 Physical memory: 4082 MB
 Dumping 1647 MB: 1632 1616 1600 1584 1568 1552 1536 1520 1504 1488 1472 1456
 1440 1424 1408 1392 1376 1360 1344 1328 1312 1296 1280 1264 1248 1232 1216
 1200 1184 1168 1152 1136 1120 1104 1088 1072 1056 1040 1024 1008 992 976 960
 944 928 912 896 880 864 848 832 816 800 784 768 752 736 720 704 688 672 656
 640 624 608 592 576 560 544 528 512 496 480 464 448 432 416 400 384 368 352
 336 320 304 288 272 256 240 224 208 192 176 160 144 128 112 96 80 64 48 32
 16

 Reading symbols from /boot/kernel/accf_http.ko...Reading symbols from
 /boot/kernel/accf_http.ko.symbols...done.
 done.
 Loaded symbols for /boot/kernel/accf_http.ko
 #0  doadump () at pcpu.h:195
 195 __asm __volatile(movq %%gs:0,%0 : =r (td));
 (kgdb) list *0x804c4eb8
 0x804c4eb8 is in pfs_ioctl
 (/usr/src/sys/fs/pseudofs/pseudofs_vnops.c:265).
 260 static int
 261 pfs_ioctl(struct vop_ioctl_args *va)
 262 {
 263 struct vnode *vn = va-a_vp;
 264 struct pfs_vdata *pvd = vn-v_data;
 265 struct pfs_node *pn = pvd-pvd_pn;
 266 struct proc *proc;
 267 int error;
 268
 269 PFS_TRACE((%s: %lx, pn-pn_name, va-a_command));
 (kgdb) backtrace
 #0  doadump () at pcpu.h:195
 #1  0x801c8dac in db_fncall (dummy1=Variable dummy1 is not
 available.
 ) at /usr/src/sys/ddb/db_command.c:516
 #2  0x801c92df in db_command (last_cmdp=0x80b30c88,
 cmd_table=0x0, dopager=1) at /usr/src/sys/ddb/db_command.c:413
 #3  0x801c94f0 in db_command_loop () at
 /usr/src/sys/ddb/db_command.c:466
 #4  0x801cb0d9 in db_trap (type=Variable type is not available.
 ) at /usr/src/sys/ddb/db_main.c:228
 #5  0x80554e55 in kdb_trap (type=12, code=0, tf=0xff807a047840)
 at /usr/src/sys/kern/subr_kdb.c:524
 #6  0x807fae80 in trap_fatal (frame=0xff807a047840, eva=Variable
 eva is not available.
 ) at /usr/src/sys/amd64/amd64/trap.c:752
 #7  0x807fb254 in trap_pfault (frame=0xff807a047840, usermode=0)
 at /usr/src/sys/amd64/amd64/trap.c:673
 #8  0x807fbc02 in trap (frame=0xff807a047840) at
 /usr/src/sys/amd64/amd64/trap.c:444
 #9  0x807df35e in calltrap () at
 /usr/src/sys/amd64/amd64/exception.S:209
 #10 0x804c4eb8 in pfs_ioctl (va=0xff807a047a10) at
 /usr/src/sys/fs/pseudofs/pseudofs_vnops.c:264
 #11 0x805bb1d3 in vn_ioctl (fp=Variable fp is not available.
 ) at vnode_if.h:437
 #12 0x80562d02 in kern_ioctl (td=0xff0006682000, fd=3,
 com=1076655123, data=0xff00ad2b7d40 ) at file.h:269
 #13 0x80563029 in ioctl (td=0xff0006682000,
 uap=0xff807a047bf0) at /usr/src/sys/kern/sys_generic.c:571
 #14 0x807fb4d6 in syscall (frame=0xff807a047c80) at
 /usr/src/sys/amd64/amd64/trap.c:900
 #15 0x807df56b in Xfast_syscall () at
 /usr/src/sys/amd64/amd64/exception.S:330
 #16 0x000800c9c0ec in ?? ()
 Previous frame inner to this frame (corrupt stack?)
 (kgdb)


 Can You help me? What can I do? Server crash periodicaly...

Add more debug options to kernel, because dump is not useful
with corrupted stack.

  For this question, you must debug the kernel by Serial.
 when fatal, you use find the error by command bt.

 --
 Dean
 2009-06-02

 -
 发件人：georg
 发送日期：2009-06-02 14:51:45
 收件人：freebsd-questions
 抄送：
 主题：fatal trap 12

 Hello, Freebsd-questions.

I use FreeBSD 7.2-STABLE amd64. About month ago system was crashed
with  Fatal trap 12...
I bay new hardware and install new FreeBSD 7.2-STABLE amd64. cPanel
and ASSP (anti spam proxy). And one a day or two days have this:

Fatal trap 12: page fault while in kernel mode
cpuid: = 0; apic id = 00
fault virtual address = 0x80
fault code

Re[4]: fatal trap 12

[georg]

Hello.

What options I must add to kernel? Can You tell me what I must do when
system crash next time?

 On 6/6/09, ge...@dts.su ge...@dts.su wrote:
 Hello, Freebsd-questions.

 After one of new crash I have this:

 GNU gdb 6.1.1 [FreeBSD]
 Copyright 2004 Free Software Foundation, Inc.
 GDB is free software, covered by the GNU General Public License, and you are
 welcome to change it and/or distribute copies of it under certain
 conditions.
 Type show copying to see the conditions.
 There is absolutely no warranty for GDB.  Type show warranty for details.
 This GDB was configured as amd64-marcel-freebsd...

 Unread portion of the kernel message buffer:


 Fatal trap 12: page fault while in kernel mode
 cpuid = 2; apic id = 02
 fault virtual address   = 0x0
 fault code  = supervisor read data, page not present
 instruction pointer = 0x8:0x804c4eb8
 stack pointer   = 0x10:0xff807a0478f0
 frame pointer   = 0x10:0xff807a047930
 code segment= base 0x0, limit 0xf, type 0x1b
 = DPL 0, pres 1, long 1, def32 0, gran 1
 processor eflags= interrupt enabled, resume, IOPL = 0
 current process = 32668 (perl5.10.0)
 Physical memory: 4082 MB
 Dumping 1647 MB: 1632 1616 1600 1584 1568 1552 1536 1520 1504 1488 1472 1456
 1440 1424 1408 1392 1376 1360 1344 1328 1312 1296 1280 1264 1248 1232 1216
 1200 1184 1168 1152 1136 1120 1104 1088 1072 1056 1040 1024 1008 992 976 960
 944 928 912 896 880 864 848 832 816 800 784 768 752 736 720 704 688 672 656
 640 624 608 592 576 560 544 528 512 496 480 464 448 432 416 400 384 368 352
 336 320 304 288 272 256 240 224 208 192 176 160 144 128 112 96 80 64 48 32
 16

 Reading symbols from /boot/kernel/accf_http.ko...Reading symbols from
 /boot/kernel/accf_http.ko.symbols...done.
 done.
 Loaded symbols for /boot/kernel/accf_http.ko
 #0  doadump () at pcpu.h:195
 195 __asm __volatile(movq %%gs:0,%0 : =r (td));
 (kgdb) list *0x804c4eb8
 0x804c4eb8 is in pfs_ioctl
 (/usr/src/sys/fs/pseudofs/pseudofs_vnops.c:265).
 260 static int
 261 pfs_ioctl(struct vop_ioctl_args *va)
 262 {
 263 struct vnode *vn = va-a_vp;
 264 struct pfs_vdata *pvd = vn-v_data;
 265 struct pfs_node *pn = pvd-pvd_pn;
 266 struct proc *proc;
 267 int error;
 268
 269 PFS_TRACE((%s: %lx, pn-pn_name, va-a_command));
 (kgdb) backtrace
 #0  doadump () at pcpu.h:195
 #1  0x801c8dac in db_fncall (dummy1=Variable dummy1 is not
 available.
 ) at /usr/src/sys/ddb/db_command.c:516
 #2  0x801c92df in db_command (last_cmdp=0x80b30c88,
 cmd_table=0x0, dopager=1) at /usr/src/sys/ddb/db_command.c:413
 #3  0x801c94f0 in db_command_loop () at
 /usr/src/sys/ddb/db_command.c:466
 #4  0x801cb0d9 in db_trap (type=Variable type is not available.
 ) at /usr/src/sys/ddb/db_main.c:228
 #5  0x80554e55 in kdb_trap (type=12, code=0, tf=0xff807a047840)
 at /usr/src/sys/kern/subr_kdb.c:524
 #6  0x807fae80 in trap_fatal (frame=0xff807a047840, eva=Variable
 eva is not available.
 ) at /usr/src/sys/amd64/amd64/trap.c:752
 #7  0x807fb254 in trap_pfault (frame=0xff807a047840, usermode=0)
 at /usr/src/sys/amd64/amd64/trap.c:673
 #8  0x807fbc02 in trap (frame=0xff807a047840) at
 /usr/src/sys/amd64/amd64/trap.c:444
 #9  0x807df35e in calltrap () at
 /usr/src/sys/amd64/amd64/exception.S:209
 #10 0x804c4eb8 in pfs_ioctl (va=0xff807a047a10) at
 /usr/src/sys/fs/pseudofs/pseudofs_vnops.c:264
 #11 0x805bb1d3 in vn_ioctl (fp=Variable fp is not available.
 ) at vnode_if.h:437
 #12 0x80562d02 in kern_ioctl (td=0xff0006682000, fd=3,
 com=1076655123, data=0xff00ad2b7d40 ) at file.h:269
 #13 0x80563029 in ioctl (td=0xff0006682000,
 uap=0xff807a047bf0) at /usr/src/sys/kern/sys_generic.c:571
 #14 0x807fb4d6 in syscall (frame=0xff807a047c80) at
 /usr/src/sys/amd64/amd64/trap.c:900
 #15 0x807df56b in Xfast_syscall () at
 /usr/src/sys/amd64/amd64/exception.S:330
 #16 0x000800c9c0ec in ?? ()
 Previous frame inner to this frame (corrupt stack?)
 (kgdb)


 Can You help me? What can I do? Server crash periodicaly...

 Add more debug options to kernel, because dump is not useful
 with corrupted stack.

  For this question, you must debug the kernel by Serial.
 when fatal, you use find the error by command bt.

 --
 Dean
 2009-06-02

 -
 发件人：georg
 发送日期：2009-06-02 14:51:45
 收件人：freebsd-questions
 抄送：
 主题：fatal trap 12

 Hello, Freebsd-questions.

I use FreeBSD 7.2-STABLE amd64. About month ago system was crashed
with  Fatal trap 12...
I bay new hardware and install new FreeBSD 7.2-STABLE amd64. cPanel
and ASSP (anti spam proxy). And one a day or two days have this:

Fatal trap 12: page fault while in kernel

Re: Re[4]: fatal trap 12

[Valentin Bud]

2009/6/6 ge...@dts.su

 Hello.

 What options I must add to kernel? Can You tell me what I must do when
 system crash next time?

  On 6/6/09, ge...@dts.su ge...@dts.su wrote:
  Hello, Freebsd-questions.
 
  After one of new crash I have this:
 
  GNU gdb 6.1.1 [FreeBSD]
  Copyright 2004 Free Software Foundation, Inc.
  GDB is free software, covered by the GNU General Public License, and you
 are
  welcome to change it and/or distribute copies of it under certain
  conditions.
  Type show copying to see the conditions.
  There is absolutely no warranty for GDB.  Type show warranty for
 details.
  This GDB was configured as amd64-marcel-freebsd...
 
  Unread portion of the kernel message buffer:
 
 
  Fatal trap 12: page fault while in kernel mode
  cpuid = 2; apic id = 02
  fault virtual address   = 0x0
  fault code  = supervisor read data, page not present
  instruction pointer = 0x8:0x804c4eb8
  stack pointer   = 0x10:0xff807a0478f0
  frame pointer   = 0x10:0xff807a047930
  code segment= base 0x0, limit 0xf, type 0x1b
  = DPL 0, pres 1, long 1, def32 0, gran 1
  processor eflags= interrupt enabled, resume, IOPL = 0
  current process = 32668 (perl5.10.0)
  Physical memory: 4082 MB
  Dumping 1647 MB: 1632 1616 1600 1584 1568 1552 1536 1520 1504 1488 1472
 1456
  1440 1424 1408 1392 1376 1360 1344 1328 1312 1296 1280 1264 1248 1232
 1216
  1200 1184 1168 1152 1136 1120 1104 1088 1072 1056 1040 1024 1008 992 976
 960
  944 928 912 896 880 864 848 832 816 800 784 768 752 736 720 704 688 672
 656
  640 624 608 592 576 560 544 528 512 496 480 464 448 432 416 400 384 368
 352
  336 320 304 288 272 256 240 224 208 192 176 160 144 128 112 96 80 64 48
 32
  16
 
  Reading symbols from /boot/kernel/accf_http.ko...Reading symbols from
  /boot/kernel/accf_http.ko.symbols...done.
  done.
  Loaded symbols for /boot/kernel/accf_http.ko
  #0  doadump () at pcpu.h:195
  195 __asm __volatile(movq %%gs:0,%0 : =r (td));
  (kgdb) list *0x804c4eb8
  0x804c4eb8 is in pfs_ioctl
  (/usr/src/sys/fs/pseudofs/pseudofs_vnops.c:265).
  260 static int
  261 pfs_ioctl(struct vop_ioctl_args *va)
  262 {
  263 struct vnode *vn = va-a_vp;
  264 struct pfs_vdata *pvd = vn-v_data;
  265 struct pfs_node *pn = pvd-pvd_pn;
  266 struct proc *proc;
  267 int error;
  268
  269 PFS_TRACE((%s: %lx, pn-pn_name, va-a_command));
  (kgdb) backtrace
  #0  doadump () at pcpu.h:195
  #1  0x801c8dac in db_fncall (dummy1=Variable dummy1 is not
  available.
  ) at /usr/src/sys/ddb/db_command.c:516
  #2  0x801c92df in db_command (last_cmdp=0x80b30c88,
  cmd_table=0x0, dopager=1) at /usr/src/sys/ddb/db_command.c:413
  #3  0x801c94f0 in db_command_loop () at
  /usr/src/sys/ddb/db_command.c:466
  #4  0x801cb0d9 in db_trap (type=Variable type is not
 available.
  ) at /usr/src/sys/ddb/db_main.c:228
  #5  0x80554e55 in kdb_trap (type=12, code=0,
 tf=0xff807a047840)
  at /usr/src/sys/kern/subr_kdb.c:524
  #6  0x807fae80 in trap_fatal (frame=0xff807a047840,
 eva=Variable
  eva is not available.
  ) at /usr/src/sys/amd64/amd64/trap.c:752
  #7  0x807fb254 in trap_pfault (frame=0xff807a047840,
 usermode=0)
  at /usr/src/sys/amd64/amd64/trap.c:673
  #8  0x807fbc02 in trap (frame=0xff807a047840) at
  /usr/src/sys/amd64/amd64/trap.c:444
  #9  0x807df35e in calltrap () at
  /usr/src/sys/amd64/amd64/exception.S:209
  #10 0x804c4eb8 in pfs_ioctl (va=0xff807a047a10) at
  /usr/src/sys/fs/pseudofs/pseudofs_vnops.c:264
  #11 0x805bb1d3 in vn_ioctl (fp=Variable fp is not available.
  ) at vnode_if.h:437
  #12 0x80562d02 in kern_ioctl (td=0xff0006682000, fd=3,
  com=1076655123, data=0xff00ad2b7d40 ) at file.h:269
  #13 0x80563029 in ioctl (td=0xff0006682000,
  uap=0xff807a047bf0) at /usr/src/sys/kern/sys_generic.c:571
  #14 0x807fb4d6 in syscall (frame=0xff807a047c80) at
  /usr/src/sys/amd64/amd64/trap.c:900
  #15 0x807df56b in Xfast_syscall () at
  /usr/src/sys/amd64/amd64/exception.S:330
  #16 0x000800c9c0ec in ?? ()
  Previous frame inner to this frame (corrupt stack?)
  (kgdb)
 
 
  Can You help me? What can I do? Server crash periodicaly...

  Add more debug options to kernel, because dump is not useful
  with corrupted stack.

   For this question, you must debug the kernel by Serial.
  when fatal, you use find the error by command bt.
 
  --
  Dean
  2009-06-02
 
  -
  发件人：georg
  发送日期：2009-06-02 14:51:45
  收件人：freebsd-questions
  抄送：
  主题：fatal trap 12
 
  Hello, Freebsd-questions.
 
 I use FreeBSD 7.2-STABLE amd64. About month ago system was crashed
 with  Fatal trap 12...
 I bay new hardware and install

Re[6]: fatal trap 12

[georg]

Hello.

I have this options in kernel:

makeoptions DEBUG=-g# Build kernel with gdb(1) debug symbols

options KDB
options DDB
options GDB

What I need more in kernel conf?

 2009/6/6 ge...@dts.su

 Hello.

 What options I must add to kernel? Can You tell me what I must do when
 system crash next time?

  On 6/6/09, ge...@dts.su ge...@dts.su wrote:
  Hello, Freebsd-questions.
 
  After one of new crash I have this:
 
  GNU gdb 6.1.1 [FreeBSD]
  Copyright 2004 Free Software Foundation, Inc.
  GDB is free software, covered by the GNU General Public License, and you
 are
  welcome to change it and/or distribute copies of it under certain
  conditions.
  Type show copying to see the conditions.
  There is absolutely no warranty for GDB.  Type show warranty for
 details.
  This GDB was configured as amd64-marcel-freebsd...
 
  Unread portion of the kernel message buffer:
 
 
  Fatal trap 12: page fault while in kernel mode
  cpuid = 2; apic id = 02
  fault virtual address   = 0x0
  fault code  = supervisor read data, page not present
  instruction pointer = 0x8:0x804c4eb8
  stack pointer   = 0x10:0xff807a0478f0
  frame pointer   = 0x10:0xff807a047930
  code segment= base 0x0, limit 0xf, type 0x1b
  = DPL 0, pres 1, long 1, def32 0, gran 1
  processor eflags= interrupt enabled, resume, IOPL = 0
  current process = 32668 (perl5.10.0)
  Physical memory: 4082 MB
  Dumping 1647 MB: 1632 1616 1600 1584 1568 1552 1536 1520 1504 1488 1472
 1456
  1440 1424 1408 1392 1376 1360 1344 1328 1312 1296 1280 1264 1248 1232
 1216
  1200 1184 1168 1152 1136 1120 1104 1088 1072 1056 1040 1024 1008 992 976
 960
  944 928 912 896 880 864 848 832 816 800 784 768 752 736 720 704 688 672
 656
  640 624 608 592 576 560 544 528 512 496 480 464 448 432 416 400 384 368
 352
  336 320 304 288 272 256 240 224 208 192 176 160 144 128 112 96 80 64 48
 32
  16
 
  Reading symbols from /boot/kernel/accf_http.ko...Reading symbols from
  /boot/kernel/accf_http.ko.symbols...done.
  done.
  Loaded symbols for /boot/kernel/accf_http.ko
  #0  doadump () at pcpu.h:195
  195 __asm __volatile(movq %%gs:0,%0 : =r (td));
  (kgdb) list *0x804c4eb8
  0x804c4eb8 is in pfs_ioctl
  (/usr/src/sys/fs/pseudofs/pseudofs_vnops.c:265).
  260 static int
  261 pfs_ioctl(struct vop_ioctl_args *va)
  262 {
  263 struct vnode *vn = va-a_vp;
  264 struct pfs_vdata *pvd = vn-v_data;
  265 struct pfs_node *pn = pvd-pvd_pn;
  266 struct proc *proc;
  267 int error;
  268
  269 PFS_TRACE((%s: %lx, pn-pn_name, va-a_command));
  (kgdb) backtrace
  #0  doadump () at pcpu.h:195
  #1  0x801c8dac in db_fncall (dummy1=Variable dummy1 is not
  available.
  ) at /usr/src/sys/ddb/db_command.c:516
  #2  0x801c92df in db_command (last_cmdp=0x80b30c88,
  cmd_table=0x0, dopager=1) at /usr/src/sys/ddb/db_command.c:413
  #3  0x801c94f0 in db_command_loop () at
  /usr/src/sys/ddb/db_command.c:466
  #4  0x801cb0d9 in db_trap (type=Variable type is not
 available.
  ) at /usr/src/sys/ddb/db_main.c:228
  #5  0x80554e55 in kdb_trap (type=12, code=0,
 tf=0xff807a047840)
  at /usr/src/sys/kern/subr_kdb.c:524
  #6  0x807fae80 in trap_fatal (frame=0xff807a047840,
 eva=Variable
  eva is not available.
  ) at /usr/src/sys/amd64/amd64/trap.c:752
  #7  0x807fb254 in trap_pfault (frame=0xff807a047840,
 usermode=0)
  at /usr/src/sys/amd64/amd64/trap.c:673
  #8  0x807fbc02 in trap (frame=0xff807a047840) at
  /usr/src/sys/amd64/amd64/trap.c:444
  #9  0x807df35e in calltrap () at
  /usr/src/sys/amd64/amd64/exception.S:209
  #10 0x804c4eb8 in pfs_ioctl (va=0xff807a047a10) at
  /usr/src/sys/fs/pseudofs/pseudofs_vnops.c:264
  #11 0x805bb1d3 in vn_ioctl (fp=Variable fp is not available.
  ) at vnode_if.h:437
  #12 0x80562d02 in kern_ioctl (td=0xff0006682000, fd=3,
  com=1076655123, data=0xff00ad2b7d40 ) at file.h:269
  #13 0x80563029 in ioctl (td=0xff0006682000,
  uap=0xff807a047bf0) at /usr/src/sys/kern/sys_generic.c:571
  #14 0x807fb4d6 in syscall (frame=0xff807a047c80) at
  /usr/src/sys/amd64/amd64/trap.c:900
  #15 0x807df56b in Xfast_syscall () at
  /usr/src/sys/amd64/amd64/exception.S:330
  #16 0x000800c9c0ec in ?? ()
  Previous frame inner to this frame (corrupt stack?)
  (kgdb)
 
 
  Can You help me? What can I do? Server crash periodicaly...

  Add more debug options to kernel, because dump is not useful
  with corrupted stack.

   For this question, you must debug the kernel by Serial.
  when fatal, you use find the error by command bt.
 
  --
  Dean
  2009-06-02
 
  -
  发件人：georg
  发送日期：2009-06-02 14:51

Re: [ge...@dts.su: Re[2]: fatal trap 12]

[Kostik Belousov]

[Please, remove the questions@ on the reply, this is the topic for
f...@].


On Sat, Jun 06, 2009 at 08:16:00PM +0400, Chagin Dmitry wrote:
 - Forwarded message from ge...@dts.su -
 
 Date: Sat, 6 Jun 2009 10:58:11 +0400
 From: ge...@dts.su
 To: freebsd-questions@freebsd.org
 Subject: Re[2]: fatal trap 12
 
 Hello, Freebsd-questions.
 
 After one of new crash I have this:
 
 GNU gdb 6.1.1 [FreeBSD]
 Copyright 2004 Free Software Foundation, Inc.
 GDB is free software, covered by the GNU General Public License, and you are
 welcome to change it and/or distribute copies of it under certain conditions.
 Type show copying to see the conditions.
 There is absolutely no warranty for GDB.  Type show warranty for details.
 This GDB was configured as amd64-marcel-freebsd...
 
 Unread portion of the kernel message buffer:
 
 
 Fatal trap 12: page fault while in kernel mode
 cpuid = 2; apic id = 02
 fault virtual address   = 0x0
 fault code  = supervisor read data, page not present
 instruction pointer = 0x8:0x804c4eb8
 stack pointer   = 0x10:0xff807a0478f0
 frame pointer   = 0x10:0xff807a047930
 code segment= base 0x0, limit 0xf, type 0x1b
 = DPL 0, pres 1, long 1, def32 0, gran 1
 processor eflags= interrupt enabled, resume, IOPL = 0
 current process = 32668 (perl5.10.0)
 Physical memory: 4082 MB
 Dumping 1647 MB: 1632 1616 1600 1584 1568 1552 1536 1520 1504 1488 1472 1456 
 1440 1424 1408 1392 1376 1360 1344 1328 1312 1296 1280 1264 1248 1232 1216 
 1200 1184 1168 1152 1136 1120 1104 1088 1072 1056 1040 1024 1008 992 976 960 
 944 928 912 896 880 864 848 832 816 800 784 768 752 736 720 704 688 672 656 
 640 624 608 592 576 560 544 528 512 496 480 464 448 432 416 400 384 368 352 
 336 320 304 288 272 256 240 224 208 192 176 160 144 128 112 96 80 64 48 32 16
 
 Reading symbols from /boot/kernel/accf_http.ko...Reading symbols from 
 /boot/kernel/accf_http.ko.symbols...done.
 done.
 Loaded symbols for /boot/kernel/accf_http.ko
 #0  doadump () at pcpu.h:195
 195 __asm __volatile(movq %%gs:0,%0 : =r (td));
 (kgdb) list *0x804c4eb8
 0x804c4eb8 is in pfs_ioctl 
 (/usr/src/sys/fs/pseudofs/pseudofs_vnops.c:265).
 260 static int
 261 pfs_ioctl(struct vop_ioctl_args *va)
 262 {
 263 struct vnode *vn = va-a_vp;
 264 struct pfs_vdata *pvd = vn-v_data;
 265 struct pfs_node *pn = pvd-pvd_pn;
 266 struct proc *proc;
 267 int error;
 268
 269 PFS_TRACE((%s: %lx, pn-pn_name, va-a_command));
 (kgdb) backtrace
 #0  doadump () at pcpu.h:195
 #1  0x801c8dac in db_fncall (dummy1=Variable dummy1 is not 
 available.
 ) at /usr/src/sys/ddb/db_command.c:516
 #2  0x801c92df in db_command (last_cmdp=0x80b30c88, 
 cmd_table=0x0, dopager=1) at /usr/src/sys/ddb/db_command.c:413
 #3  0x801c94f0 in db_command_loop () at 
 /usr/src/sys/ddb/db_command.c:466
 #4  0x801cb0d9 in db_trap (type=Variable type is not available.
 ) at /usr/src/sys/ddb/db_main.c:228
 #5  0x80554e55 in kdb_trap (type=12, code=0, tf=0xff807a047840) 
 at /usr/src/sys/kern/subr_kdb.c:524
 #6  0x807fae80 in trap_fatal (frame=0xff807a047840, eva=Variable 
 eva is not available.
 ) at /usr/src/sys/amd64/amd64/trap.c:752
 #7  0x807fb254 in trap_pfault (frame=0xff807a047840, usermode=0) 
 at /usr/src/sys/amd64/amd64/trap.c:673
 #8  0x807fbc02 in trap (frame=0xff807a047840) at 
 /usr/src/sys/amd64/amd64/trap.c:444
 #9  0x807df35e in calltrap () at 
 /usr/src/sys/amd64/amd64/exception.S:209
 #10 0x804c4eb8 in pfs_ioctl (va=0xff807a047a10) at 
 /usr/src/sys/fs/pseudofs/pseudofs_vnops.c:264
 #11 0x805bb1d3 in vn_ioctl (fp=Variable fp is not available.
 ) at vnode_if.h:437
 #12 0x80562d02 in kern_ioctl (td=0xff0006682000, fd=3, 
 com=1076655123, data=0xff00ad2b7d40 ) at file.h:269
 #13 0x80563029 in ioctl (td=0xff0006682000, 
 uap=0xff807a047bf0) at /usr/src/sys/kern/sys_generic.c:571
 #14 0x807fb4d6 in syscall (frame=0xff807a047c80) at 
 /usr/src/sys/amd64/amd64/trap.c:900
 #15 0x807df56b in Xfast_syscall () at 
 /usr/src/sys/amd64/amd64/exception.S:330
 #16 0x000800c9c0ec in ?? ()
 Previous frame inner to this frame (corrupt stack?)
 (kgdb)
 
 
 Can You help me? What can I do? Server crash periodicaly...

The issue is that VOP_IOCTL interface takes unlocked vnode, which
may be reclaimed at any moment. The right thing to do is to fix
this before 8.0 freezed KPI. Please, try the patch below.


diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c 
b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
index a7f47b2..018e6bd 100644
--- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
+++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
@@ -258,7 +258,7

fatal trap 12

[georg]

Hello, Freebsd-questions.

   I use FreeBSD 7.2-STABLE amd64. About month ago system was crashed
   with  Fatal trap 12...
   I bay new hardware and install new FreeBSD 7.2-STABLE amd64. cPanel
   and ASSP (anti spam proxy). And one a day or two days have this:

   Fatal trap 12: page fault while in kernel mode
   cpuid: = 0; apic id = 00
   fault virtual address = 0x80
   fault code= supervisor write data, page not present
   instruction pointer   = 0x8:0x8018b839
   stack pointer = 0x10:0xff807a25d190
   frame pointer = 0x10:0xea5f
   code segment  = base 0x0, limit 0xf, type 0x1b
 = DPL 0, pres 1, long 1, def32 0, gran 1
   processor eflags  = interrupt enabled, resume, IOPL = 0
   current process   = 59397 (perl5.10.0)
   trap number   = 12

   And alway, after crash, I see current process = perl5.10.0...

   Can You help me?


-- 
Regards,  mailto:ge...@dts.su
Yura


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Re: questions about Fatal Trap 12

[Ray]

On Saturday 11 April 2009 19:34:29 Paul Hamilton wrote:
 -Original Message-
 From: owner-freebsd-questi...@freebsd.org
 [mailto:owner-freebsd-questi...@freebsd.org] On Behalf Of Ray
 Sent: Saturday, 4 April 2009 01:45
 To: freebsd general questions
 Subject: questions about Fatal Trap 12

 Hello,
 I have received a kernel Trap 12 error several times now and am trying to
 figure it out.
 the error occurred today, and the previous time was about two weeks ago.
 last time I had to run fsck manually if that proves anything.



snip

 Any help or suggestions would be greatly appreciated.
 Ray
 ___

 snip

 Hi Ray,

 I have had a few of the Trap 12 errors over the last 10 years of using
 FreeBSD.  From memory, mine where due to faulty motherboard/CPU.  I just
 moved the hard drive to another PC, and all was ok.

 The last time I received the error, was when I tried recompiling world.  I
 put it down to CPU heat, as it was running a LOT harder than normal day to
 day use.  This was on a server that had been in place for two years running
 with out problem!

 Cheers,

 PaulH


I Just had the power supply die on this machine. Could  a failing power supply 
cause this type of issues?
Ray



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Re: questions about Fatal Trap 12

[Glen Barber]

On Tue, Apr 14, 2009 at 5:23 PM, Ray r...@stilltech.net wrote:
 I Just had the power supply die on this machine. Could  a failing power supply
 cause this type of issues?

Absolutely.

-- 
Glen Barber
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Re: questions about Fatal Trap 12

[Steve Bertrand]

Glen Barber wrote:
 On Tue, Apr 14, 2009 at 5:23 PM, Ray r...@stilltech.net wrote:
 I Just had the power supply die on this machine. Could  a failing power 
 supply
 cause this type of issues?
 
 Absolutely.

Seconded. Power supply issues have caused me this kind of grief more
times than memory has over the years.

Steve
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Re: questions about Fatal Trap 12

[Michael Powell]

Steve Bertrand wrote:

 Glen Barber wrote:
 On Tue, Apr 14, 2009 at 5:23 PM, Ray r...@stilltech.net wrote:
 I Just had the power supply die on this machine. Could  a failing power
 supply cause this type of issues?
 
 Absolutely.
 
 Seconded. Power supply issues have caused me this kind of grief more
 times than memory has over the years.
 

Yes, me too. With the advent of the digital age there is less and less 
cognizance of analog electronics these days. Simply checking the output 
voltages with a Radio Shack VOM will make things seem to be OK, as in the 
measurements seem to be within the range you'd expect, but this is not an 
entirely accurate assessment. 

It can be the case where a power supply has aged to the point that it can 
support only some fraction of the load it was rated at when new. As long as 
the load stays below this derated value the box seems all right, but plug in 
another drive or some other hardware that pushes it over the edge and you 
get another story.

What you will get is non-pure DC with huge amounts of unfiltered ripple. The 
VOM will not show this. You would have to be using an oscilloscope to see 
it. But even an old power supply that is not loaded down to the point of 
total failure can begin to show out of spec ripple measurement as load 
increases. This ripple can be the source of seemingly intermittent hardware 
problems such as hangs, mysterious automagic rebooting, lock ups, etc, that 
seem to have no rhyme or reason to them.

Many times in the distant past I replaced one by one each subsystem with 
known good ones to the point where the power supply was the last thing I 
tried. These days if it is an older box with a lot of hours of MTBF on it I 
do it first, using a known good. Probably 70%+ of the time it has turned out 
to save lots of time. Rather than try every thing else first I have learned 
to eliminate the power supply first, rather than the other way around. But I 
also have a 100MHz dual trace 'scope too.

-Mike




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Re: questions about Fatal Trap 12

[Ray]

Thanks Paul and Chris,
So what It comes down to is that this error is most likely a hardware problem, 
and I'll just have to bring the machine down for hardware replacement and/or 
testing?
Thanks,
Ray



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Re: questions about Fatal Trap 12

[Vasadi I. Claudiu Florin]

On Mon, 13 Apr 2009 18:31:31 +0300, Ray r...@stilltech.net wrote:


Thanks Paul and Chris,
So what It comes down to is that this error is most likely a hardware  
problem,
and I'll just have to bring the machine down for hardware replacement  
and/or

testing?



Usually yes. Back in the days when I had that sort of problems, it was  
memory related. So I changed the memory (memtest yelled in errors) and all  
was ok afterwards

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Re: questions about Fatal Trap 12

[Chris Rees]

2009/4/9 Ray r...@stilltech.net:
 On Friday 03 April 2009 11:44:31 Ray wrote:
 Hello,
 I have received a kernel Trap 12 error several times now and am trying to
 figure it out.
 the error occurred today, and the previous time was about two weeks ago.
 last time I had to run fsck manually if that proves anything.


 uname -a gives the following:

 FreeBSD wserver..com 7.0-RELEASE-p3 FreeBSD 7.0-RELEASE-p3 #0: Wed
 Sep 17 13:30:46 MDT 2008
 r...@wserver.*.com:/usr/obj/usr/src/sys/MOD amd64


 Google returns results mostly for versions 4.x and 5.x, but it suggest 2
 main things:
 test ram, and kernel panic troubleshooting.
 (http://www.freebsd.org/doc/en/books/faq/advanced.html#KERNEL-PANIC-
 TROUBLESHOOTING)

 Is there a way to test the ram without removing it from the machine and
 leave the machine functioning. I've used memtest 86 before, but obviously
 the machine has to be offline for this test.

 However, I'm a little unsure of the instructions in the handbook on
 troubleshooting. namely, it talks about using the nm command, but I can't
 figure out the data file to give it as an argument, and second I'm unsure
 about using a debugging Kernel on a production server. I have heard that It
 will significantly slow down a machine.
 Any help or suggestions would be greatly appreciated.
 Ray

 Can anybody make any suggestions, or is there a better list to take this
 question to?
 Ray


Sorry mate, I really don't think you're going to have any luck. Memory
testing requires access to parts of memory that the kernel's currently
munching on. Run memtest86, or yank a few sticks and run it in another
computer.

Chris


-- 
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing in e-mail?
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RE: questions about Fatal Trap 12

[Paul Hamilton]

 

-Original Message-
From: owner-freebsd-questi...@freebsd.org
[mailto:owner-freebsd-questi...@freebsd.org] On Behalf Of Ray
Sent: Saturday, 4 April 2009 01:45
To: freebsd general questions
Subject: questions about Fatal Trap 12

Hello,
I have received a kernel Trap 12 error several times now and am trying to
figure it out. 
the error occurred today, and the previous time was about two weeks ago. 
last time I had to run fsck manually if that proves anything.


uname -a gives the following:

FreeBSD wserver..com 7.0-RELEASE-p3 FreeBSD 7.0-RELEASE-p3 #0: Wed
Sep 
17 13:30:46 MDT 2008 r...@wserver.*.com:/usr/obj/usr/src/sys/MOD

amd64


Google returns results mostly for versions 4.x and 5.x, but it suggest 2
main 
things: 
test ram, and kernel panic troubleshooting. 
(http://www.freebsd.org/doc/en/books/faq/advanced.html#KERNEL-PANIC-
TROUBLESHOOTING)

Is there a way to test the ram without removing it from the machine and
leave 
the machine functioning. I've used memtest 86 before, but obviously the 
machine has to be offline for this test.

However, I'm a little unsure of the instructions in the handbook on 
troubleshooting. namely, it talks about using the nm command, put I can't 
figure out the data file to give it as an argument, and second I'm unsure
about 
using a debugging Kernel on a production server. I have heard that It will 
significantly slow down a machine.
Any help or suggestions would be greatly appreciated.
Ray
___

snip

Hi Ray,

I have had a few of the Trap 12 errors over the last 10 years of using
FreeBSD.  From memory, mine where due to faulty motherboard/CPU.  I just
moved the hard drive to another PC, and all was ok.  

The last time I received the error, was when I tried recompiling world.  I
put it down to CPU heat, as it was running a LOT harder than normal day to
day use.  This was on a server that had been in place for two years running
with out problem!

Cheers,

PaulH



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Re: questions about Fatal Trap 12

[Ray]

On Friday 03 April 2009 11:44:31 Ray wrote:
 Hello,
 I have received a kernel Trap 12 error several times now and am trying to
 figure it out.
 the error occurred today, and the previous time was about two weeks ago.
 last time I had to run fsck manually if that proves anything.


 uname -a gives the following:

 FreeBSD wserver..com 7.0-RELEASE-p3 FreeBSD 7.0-RELEASE-p3 #0: Wed
 Sep 17 13:30:46 MDT 2008
 r...@wserver.*.com:/usr/obj/usr/src/sys/MOD amd64


 Google returns results mostly for versions 4.x and 5.x, but it suggest 2
 main things:
 test ram, and kernel panic troubleshooting.
 (http://www.freebsd.org/doc/en/books/faq/advanced.html#KERNEL-PANIC-
 TROUBLESHOOTING)

 Is there a way to test the ram without removing it from the machine and
 leave the machine functioning. I've used memtest 86 before, but obviously
 the machine has to be offline for this test.

 However, I'm a little unsure of the instructions in the handbook on
 troubleshooting. namely, it talks about using the nm command, but I can't
 figure out the data file to give it as an argument, and second I'm unsure
 about using a debugging Kernel on a production server. I have heard that It
 will significantly slow down a machine.
 Any help or suggestions would be greatly appreciated.
 Ray

Can anybody make any suggestions, or is there a better list to take this 
question to?
Ray

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questions about Fatal Trap 12

[Ray]

Hello,
I have received a kernel Trap 12 error several times now and am trying to 
figure it out. 
the error occurred today, and the previous time was about two weeks ago. 
last time I had to run fsck manually if that proves anything.


uname -a gives the following:

FreeBSD wserver..com 7.0-RELEASE-p3 FreeBSD 7.0-RELEASE-p3 #0: Wed Sep 
17 13:30:46 MDT 2008 r...@wserver.*.com:/usr/obj/usr/src/sys/MOD  
amd64


Google returns results mostly for versions 4.x and 5.x, but it suggest 2 main 
things: 
test ram, and kernel panic troubleshooting. 
(http://www.freebsd.org/doc/en/books/faq/advanced.html#KERNEL-PANIC-
TROUBLESHOOTING)

Is there a way to test the ram without removing it from the machine and leave 
the machine functioning. I've used memtest 86 before, but obviously the 
machine has to be offline for this test.

However, I'm a little unsure of the instructions in the handbook on 
troubleshooting. namely, it talks about using the nm command, put I can't 
figure out the data file to give it as an argument, and second I'm unsure about 
using a debugging Kernel on a production server. I have heard that It will 
significantly slow down a machine.
Any help or suggestions would be greatly appreciated.
Ray
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Re: FreeBSD7.1/i386 crash (fatal trap 12)

[Mikolaj Golub]

On Tue, 17 Mar 2009 06:35:04 +0300 anb...@list.ru wrote:

 What can I do with it? I don`t have experience in using gdb or programming on 
 C.

I suppose your kernel is built with makeoptions DEBUG=-g.

Then enable kernel crash dump:

echo 'dumpdev=AUTO'  /etc/rc.conf
/etc/rc.d/dumpon start

After panic, get the baktrace from the dump using instructions from this page:

http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug-gdb.html

Or just run crashinfo and extract bt from generated core.txt.

Post bt here or to freebsd-hackers.

-- 
Mikolaj Golub
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FreeBSD7.1/i386 crash (fatal trap 12)

[anborn]

Hello,
I have problem with FreeBSD 7.1-STABLE/i386.
We have FreeBSD-based cluster of VPN servers (mpd3.18 as PPTP server), and 
sometimes its fall down.

#dmesg | less
Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address   = 0x1ac
fault code  = supervisor write, page not present
instruction pointer = 0x20:0x806d673a
stack pointer   = 0x28:0xe6c6ca68
frame pointer   = 0x28:0xe6c6cacc
code segment= base 0x0, limit 0xf, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags= interrupt enabled, resume, IOPL = 0
current process = 12 (swi1: net)
trap number = 12
panic: page fault
cpuid = 1
Uptime: 1d13h20m2s
Cannot dump. No dump device defined.
Automatic reboot in 15 seconds - press a key on the console to abort
Rebooting...
# uname -a
FreeBSD vpn-17 7.1-STABLE FreeBSD 7.1-STABLE #6: Wed Mar 11 12:59:09 YEKT 2009  
   r...@vpn:/usr/src/sys/i386/compile/kconf  i386
# nm -n /usr/local/drbd/vpntest/boot/kernel/kernel | grep 806d67
806d671b t ng_pptpgre_rcvdata_lower

Sometimes:

#dmesg | grep 'instruction pointer'
instruction pointer = 0x20:0x806ca7e1
# nm -n /usr/local/drbd/vpntest/boot/kernel/kernel | grep 806ca7
806ca740 t ng_iface_ioctl

What can I do with it? I don`t have experience in using gdb or programming on C.
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Re: 7.1-PRELEASE sporadically panicking with fatal trap 12

[Kris Kennaway]

John L. Templer wrote:
I'm running 7.1-PRERELEASE, with /usr/src and /usr/ports last csup-ed 
just a few days ago.  After being up for about a day or so the system 
will panic because of a page fault.  I'm not completely sure, but it 
seems that the system is more stable when gdm and gnome are disabled in 
rc.conf.  At least it stayed up for several days when I did that.


I've run memtest several times, so I'm pretty confident it's not a 
memory problem.  Also the stack trace is always the same, so I'm 
thinking it's not hardware related.


I've attached a stack trace from kgdb, and the output from dmesg.  I'd 
appreciate any help you could give me with this.


Please re-send to stable@ and CC [EMAIL PROTECTED]  It looks like a locking problem 
in an error case that you are hitting (note ATA driver message prior to 
panic).


Kris
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7.1-PRELEASE sporadically panicking with fatal trap 12

[John L. Templer]

I'm running 7.1-PRERELEASE, with /usr/src and /usr/ports last csup-ed 
just a few days ago.  After being up for about a day or so the system 
will panic because of a page fault.  I'm not completely sure, but it 
seems that the system is more stable when gdm and gnome are disabled in 
rc.conf.  At least it stayed up for several days when I did that.


I've run memtest several times, so I'm pretty confident it's not a 
memory problem.  Also the stack trace is always the same, so I'm 
thinking it's not hardware related.


I've attached a stack trace from kgdb, and the output from dmesg.  I'd 
appreciate any help you could give me with this.
/var/crash# kgdb -n 5
GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type show copying to see the conditions.
There is absolutely no warranty for GDB.  Type show warranty for details.
This GDB was configured as i386-marcel-freebsd...

Unread portion of the kernel message buffer:
acd1: WARNING - READ_TOC read data overrun 1812


Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address   = 0x188
fault code  = supervisor read, page not present
instruction pointer = 0x20:0xc0782714
stack pointer   = 0x28:0xe52aec00
frame pointer   = 0x28:0xe52aec18
code segment= base 0x0, limit 0xf, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags= interrupt enabled, resume, IOPL = 0
current process = 18 (swi6: task queue)
trap number = 12
panic: page fault
cpuid = 0
Uptime: 8h10m38s
Physical memory: 1779 MB
Dumping 195 MB: 180 164 148 132 116 100 84 68 52 36 20 4

Reading symbols from /boot/kernel/sound.ko...Reading symbols from 
/boot/kernel/sound.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/sound.ko
Reading symbols from /boot/kernel/snd_cmi.ko...Reading symbols from 
/boot/kernel/snd_cmi.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/snd_cmi.ko
Reading symbols from /boot/kernel/acpi.ko...Reading symbols from 
/boot/kernel/acpi.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/acpi.ko
Reading symbols from /boot/kernel/linux.ko...Reading symbols from 
/boot/kernel/linux.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/linux.ko
Reading symbols from /usr/local/modules/fuse.ko...done.
Loaded symbols for /usr/local/modules/fuse.ko
Reading symbols from /boot/kernel/mach64.ko...Reading symbols from 
/boot/kernel/mach64.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/mach64.ko
Reading symbols from /boot/kernel/drm.ko...Reading symbols from 
/boot/kernel/drm.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/drm.ko
#0  doadump () at pcpu.h:196
196 pcpu.h: No such file or directory.
in pcpu.h
(kgdb) backtrace
#0  doadump () at pcpu.h:196
#1  0xc078fae7 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:418
#2  0xc078fda9 in panic (fmt=Variable fmt is not available.
) at /usr/src/sys/kern/kern_shutdown.c:572
#3  0xc0aa174c in trap_fatal (frame=0xe52aebc0, eva=392)
at /usr/src/sys/i386/i386/trap.c:939
#4  0xc0aa19d0 in trap_pfault (frame=0xe52aebc0, usermode=0, eva=392)
at /usr/src/sys/i386/i386/trap.c:852
#5  0xc0aa238c in trap (frame=0xe52aebc0) at /usr/src/sys/i386/i386/trap.c:530
#6  0xc0a8827b in calltrap () at /usr/src/sys/i386/i386/exception.s:159
#7  0xc0782714 in _mtx_lock_sleep (m=0xc4ff804c, tid=3302734576, opts=0, 
file=0x0, line=0) at /usr/src/sys/kern/kern_mutex.c:339
#8  0xc078ed66 in _sema_post (sema=0xc4ff804c, file=0x0, line=0)
at /usr/src/sys/kern/kern_sema.c:79
#9  0xc0513350 in ata_completed (context=0xc4ff8000, dummy=1)
at /usr/src/sys/dev/ata/ata-queue.c:481
#10 0xc07c2e15 in taskqueue_run (queue=0xc4dbab80)
at /usr/src/sys/kern/subr_taskqueue.c:282
#11 0xc07c3123 in taskqueue_swi_run (dummy=0x0)
at /usr/src/sys/kern/subr_taskqueue.c:324
#12 0xc076f8db in ithread_loop (arg=0xc4dadb30)
at /usr/src/sys/kern/kern_intr.c:1088
#13 0xc076c449 in fork_exit (callout=0xc076f720 ithread_loop, 
arg=0xc4dadb30, frame=0xe52aed38) at /usr/src/sys/kern/kern_fork.c:804
---Type return to continue, or q return to quit---
#14 0xc0a882f0 in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:264
(kgdb) up 7
#7  0xc0782714 in _mtx_lock_sleep (m=0xc4ff804c, tid=3302734576, opts=0, 
file=0x0, line=0) at /usr/src/sys/kern/kern_mutex.c:339
339 owner = (struct thread *)(v  ~MTX_FLAGMASK);
(kgdb) list
334  * If the owner is running on another CPU, spin until 
the
335  * owner stops running or the state of the lock changes.
336  */
337 v = m-mtx_lock;
338 if (v != MTX_UNOWNED) {
339 owner = (struct thread *)(v

Fatal Trap 12: Page Fault While in Kernel Mode

[Devinder Singh]

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RE: Fatal Trap 12: Page Fault While in Kernel Mode

[Devinder Singh]

Hi
 
I am getign this serios error message when i have packaged free radius in 
freebsd 6.3
 
 
Fatal Trap 12: page fault while in kernel mode
 
fault virtual address
fault code  = supervisor write , page not present
instruction pointer  = 0*20
stack pointer  = 
curent process = 0
 
trap njumber 12
 From: [EMAIL PROTECTED] To: freebsd-questions@freebsd.org Date: Tue, 1 Jul 
 2008 15:58:49 +0800 Subject: Fatal Trap 12: Page Fault While in Kernel Mode 
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Re: Fatal Trap 12 Page Fault while in Kernel Moder

[Kris Kennaway]

Devinder Singh wrote:

Hi I am using Free BSD 6.3 and am intergating Monowal and FreeRadius
 
When i make the image i get this error
 
Fatal Trap 12 :page fault while in kernel mode
 
Fault virtual addres 0xbffle000

fault code -= supervisor write, page not present
instruction pointer  = 0*28 = 
 
 
trap number 12

panic = page fault
 
Pls can some one help me on this 


You need to obtain more debugging information before anyone can help 
you.  See the chapter on kernel debugging in the developers handbook.


Kris
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Fatal Trap 12 Page Fault while in Kernel Moder

[Devinder Singh]

Hi I am using Free BSD 6.3 and am intergating Monowal and FreeRadius
 
When i make the image i get this error
 
Fatal Trap 12 :page fault while in kernel mode
 
Fault virtual addres 0xbffle000
fault code -= supervisor write, page not present
instruction pointer  = 0*28 = 
 
 
trap number 12
panic = page fault
 
Pls can some one help me on this 
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Re: Fatal trap 12 --- can lack of APIC on SMP cause crashes?

[Rudy]

Rudy wrote:


My kernel panics!


Here are a two things I did which seem to stop the Fatal trap 12's with FreeBSD-7.0-RELEASE (saw it 
on three different boxes):


 cvsup to FreeBSD-7.0-STABLE
 (Don't forget to change  SCHED_4BSD -- SCHED_ULE  as that is now the default 
on STABLE)
 disabled CARP

I don't know if it was the SCHED_4BSD, the CARP, or the combination, but my 
boxes seem stable now.

Just wanted to answer my own post in case anyone is searching for Fatal trap 12 cures for 
FreeBSD-7.0-RELEASE.  :)


Rudy
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Re: Fatal trap 12 --- can lack of APIC on SMP cause crashes?

[Kris Kennaway]

Rudy wrote:

Rudy wrote:


My kernel panics!


Here are a two things I did which seem to stop the Fatal trap 12's with 
FreeBSD-7.0-RELEASE (saw it on three different boxes):


 cvsup to FreeBSD-7.0-STABLE
 (Don't forget to change  SCHED_4BSD -- SCHED_ULE  as that is now the 
default on STABLE)

 disabled CARP

I don't know if it was the SCHED_4BSD, the CARP, or the combination, but 
my boxes seem stable now.


Just wanted to answer my own post in case anyone is searching for Fatal 
trap 12 cures for FreeBSD-7.0-RELEASE.  :)


FYI, Fatal trap 12 is a very generic type of error (it can mean null 
pointer dereference, among other things) and it can have many causes 
(e.g. anywhere in the entire kernel where there is a pointer that can 
become NULL through a programming or other error).  You need to compare 
the stack traces to work out what the cause was.


Kris
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Fatal trap 12 --- can lack of APIC on SMP cause crashes?

[Rudy]

My kernel panics!  I reinstlled i386 and scrapped my amd64 install, however, I forgot the APIC 
line... would that cause crashes under load or high network activity?

  device  apic# I/O apic




- Rudy





# uname
FreeBSD example.monkeybrains.net 7.0-STABLE FreeBSD 7.0-STABLE #0: Mon May 12 15:17:23 PDT 2008 
 root@:/usr/obj/usr/src/sys/EXAMPLE  i386



# crash message:
Fatal trap 12: page fault while in kernel mode
instruction pointer = 0x20:0xc05330da

Following this advice:
 
http://www.freebsd.org/doc/en/books/faq/advanced.html#KERNEL-PANIC-TROUBLESHOOTING
Nothing close to 0xc05330da... here is the closest:
# nm -n /boot/kernel/kernel | grep c053


c0532c5a t turnstile_first_waiter
c0532c80 T turnstile_head
c0532c8f T turnstile_empty
c0532ca5 t turnstile_fini
c0532cb8 t turnstile_init
c0532d2a T init_turnstiles
c0532dc6 t turnstile_adjust_thread
c0532f48 t propagate_priority
c0533101 T turnstile_adjust
c0533144 T turnstile_free
c0533168 T turnstile_alloc
c053318d t init_turnstile0




-
kernel config file:


###cpu HAMMER   # wasn't working on amd64...
cpu I686_CPU
ident   EXAMPLE

# To statically compile in device wiring instead of /boot/device.hints
#hints  GENERIC.hints # Default places to look for devices.

makeoptions DEBUG=-g# Build kernel with gdb(1) debug symbols

options SCHED_4BSD  # 4BSD scheduler
options PREEMPTION  # Enable kernel thread preemption
options INET# InterNETworking
#optionsINET6   # IPv6 communications protocols
#optionsSCTP# Stream Control Transmission Protocol
options FFS # Berkeley Fast Filesystem
options SOFTUPDATES # Enable FFS soft updates support
options UFS_ACL # Support for access control lists
options UFS_DIRHASH # Improve performance on big directories
#optionsUFS_GJOURNAL# Enable gjournal-based UFS journaling
options MD_ROOT # MD is a potential root device
options NFSCLIENT   # Network Filesystem Client
#optionsNFSSERVER   # Network Filesystem Server
options NFS_ROOT# NFS usable as /, requires NFSCLIENT
#optionsNTFS# NT File System
#optionsMSDOSFS # MSDOS Filesystem
#optionsCD9660  # ISO 9660 Filesystem
options PROCFS  # Process filesystem (requires PSEUDOFS)
options PSEUDOFS# Pseudo-filesystem framework
#optionsGEOM_PART_GPT   # GUID Partition Tables.
options GEOM_LABEL  # Provides labelization
options COMPAT_43TTY# BSD 4.3 TTY compat [KEEP THIS!]
#optionsCOMPAT_IA32 # Compatible with i386 binaries
#optionsCOMPAT_FREEBSD4 # Compatible with FreeBSD4
#optionsCOMPAT_FREEBSD5 # Compatible with FreeBSD5
#optionsCOMPAT_FREEBSD6 # Compatible with FreeBSD6
options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI
#optionsKTRACE  # ktrace(1) support
options SYSVSHM # SYSV-style shared memory
options SYSVMSG # SYSV-style message queues
options SYSVSEM # SYSV-style semaphores
options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time 
extensions
options KBD_INSTALL_CDEV# install a CDEV entry in /dev
options ADAPTIVE_GIANT  # Giant mutex is adaptive.
options STOP_NMI# Stop CPUS using NMI instead of IPI
#optionsAUDIT   # Security event auditing
# Make an SMP-capable kernel by default
options SMP # Symmetric MultiProcessor Kernel

# CPU frequency control
device  cpufreq

# Bus support.
device  acpi
device  eisa
device  pci

# ATA and ATAPI devices
device  ata
device  atadisk # ATA disk drives
options ATA_STATIC_ID   # Static device numbering

# atkbdc0 controls both the keyboard and the PS/2 mouse
device  atkbdc  # AT keyboard controller
device  atkbd   # AT keyboard
device  psm # PS/2 mouse

device  kbdmux  # keyboard multiplexer
device  vga # VGA video card driver

device  splash  # Splash screen and screen saver support

# syscons is the default console driver, resembling an SCO console
device  sc

device  agp # support several AGP chipsets

# Serial (COM) ports
device  sio # 8250, 16[45]50 based serial ports
device

RE: raid1 + degraded (take out one disk) + fatal trap 12 on next reboot

[Ted Mittelstaedt]

Roberto,

  You can't simulate a disk drive failure that way.  If
you really want to know what's going on, the issue is that
your pointing the swap to ar0.  If you must get this
booted again you can try booting into single user mode
and editing /etc/fstab and pointing the partitions to
/dev/ad0 instead of /dev/ar0 and booting.  But this is
an emergency action and is not recommended.

  If you want to simulate a drive failure, WHILE THE
SYSTEM IS RUNNING pull the SATA connector on one drive.

  The system should NOT trap, it should simply print a
error to the console and show it's gone into degraded mode.

  If you then reboot, the system may or may not come back up.

  You have to understand the approach of RAID mirroring.  Basically
this is poor-man's data protection.  The idea is that a disk 
usually fails in the middle of the day during the worst possible
time.  When it does you do NOT want the server to stop or
crash.  You want it to keep running until the evening when you
can spend a couple hours getting the disk replaced.  (or until
the next day when you can buy a replacement drive)

  When you have the replacement disk ready to plug into the
system, you are supposed to run a full backup of your data
on the degraded array just in case the reinsertion goes badly.

  I have found the safest is to leave the server alone and
get the replacement disk ready.  Wiping it in another system
with dd if=/dev/zero of=/dev/ad1 bs=50k is the best policy
before reinsertion.

  Follow the steps in the man page for reinsertion.  Keep in
mind that they don't always work.  If they don't then you will
have to wipe both disks and regenerate the array and reinstall
the OS.  That is why you make a backup first when the system is
off-duty.

Ted

 -Original Message-
 From: [EMAIL PROTECTED]
 [mailto:[EMAIL PROTECTED] Behalf Of Roberto Nunnari
 Sent: Tuesday, April 29, 2008 12:35 PM
 To: freebsd-questions@freebsd.org
 Subject: Re: raid1 + degraded (take out one disk) + fatal trap 12 on
 next reboot
 
 
 Nobody on this, please? :)
 
 
 Roberto Nunnari wrote:
  Hi all!
  
  I'm playing with new HW and FreeBSD 6.3 and 7.0.
  
  I set up raid 1 on two sata disks (fakeraid on ICH9R)
  and as long as I can see, it seams to work very well.
  
  Now I'm trying to simulate 1 disk failure (I just take
  out a disk and boot again). Doesn't matter which of the
  two disks I take out, the bios correctly shows the raid
  as degraded and bootable, loads the FreeBSD loader, who
  loads the kernel and starts the boot.
  But when the kernel comes to the drives (or the swap?)
  it fatal traps 12. The trap descriptions sais that
  current process is 0 (swapper).
  
  Reading that I commented out the swap partition from fstab,
  but that doesn't help.
  
  How can I get the system to finish the boot?
  
  Thank you and best regards.
  
 
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Re: raid1 + degraded (take out one disk) + fatal trap 12 on next reboot

[Roberto Nunnari]

Hi Ted.

Thank you for replying to my post.

see my comments below.


Ted Mittelstaedt wrote:

Roberto,

  You can't simulate a disk drive failure that way.  If
you really want to know what's going on, the issue is that
your pointing the swap to ar0.  If you must get this
booted again you can try booting into single user mode
and editing /etc/fstab and pointing the partitions to
/dev/ad0 instead of /dev/ar0 and booting.  But this is
an emergency action and is not recommended.


It doesn't even get to that point.. it panics before giving
me the shell for single user mode.. I even made a few tests
trying to comment out the swap in fstab, but that didn't help.

but it doesn't matter.. I solved the problem by removing
and then readding the disk from the raid in the bios.
One up again had to rebuild the raid in the OS.. and
that was it..




  If you want to simulate a drive failure, WHILE THE
SYSTEM IS RUNNING pull the SATA connector on one drive.


For sure that makes for a real test.. but..
Are you sure that that will not fry up the mainboard or the drive?




  The system should NOT trap, it should simply print a
error to the console and show it's gone into degraded mode.

  If you then reboot, the system may or may not come back up.

  You have to understand the approach of RAID mirroring.  Basically
this is poor-man's data protection.  The idea is that a disk 
usually fails in the middle of the day during the worst possible

time.  When it does you do NOT want the server to stop or
crash.  You want it to keep running until the evening when you
can spend a couple hours getting the disk replaced.  (or until
the next day when you can buy a replacement drive)

  When you have the replacement disk ready to plug into the
system, you are supposed to run a full backup of your data
on the degraded array just in case the reinsertion goes badly.

  I have found the safest is to leave the server alone and
get the replacement disk ready.  Wiping it in another system
with dd if=/dev/zero of=/dev/ad1 bs=50k is the best policy
before reinsertion.


Thank you very much for these instructions. Luckly I'm not familiar
with failing drives! :)




  Follow the steps in the man page for reinsertion.  Keep in


What man page?


Again Thank you very much.

Best regards.
Robi



mind that they don't always work.  If they don't then you will
have to wipe both disks and regenerate the array and reinstall
the OS.  That is why you make a backup first when the system is
off-duty.

Ted


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Roberto Nunnari
Sent: Tuesday, April 29, 2008 12:35 PM
To: freebsd-questions@freebsd.org
Subject: Re: raid1 + degraded (take out one disk) + fatal trap 12 on
next reboot


Nobody on this, please? :)


Roberto Nunnari wrote:

Hi all!

I'm playing with new HW and FreeBSD 6.3 and 7.0.

I set up raid 1 on two sata disks (fakeraid on ICH9R)
and as long as I can see, it seams to work very well.

Now I'm trying to simulate 1 disk failure (I just take
out a disk and boot again). Doesn't matter which of the
two disks I take out, the bios correctly shows the raid
as degraded and bootable, loads the FreeBSD loader, who
loads the kernel and starts the boot.
But when the kernel comes to the drives (or the swap?)
it fatal traps 12. The trap descriptions sais that
current process is 0 (swapper).

Reading that I commented out the swap partition from fstab,
but that doesn't help.

How can I get the system to finish the boot?

Thank you and best regards.


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Re: raid1 + degraded (take out one disk) + fatal trap 12 on next reboot

[Roberto Nunnari]

Nobody on this, please? :)


Roberto Nunnari wrote:

Hi all!

I'm playing with new HW and FreeBSD 6.3 and 7.0.

I set up raid 1 on two sata disks (fakeraid on ICH9R)
and as long as I can see, it seams to work very well.

Now I'm trying to simulate 1 disk failure (I just take
out a disk and boot again). Doesn't matter which of the
two disks I take out, the bios correctly shows the raid
as degraded and bootable, loads the FreeBSD loader, who
loads the kernel and starts the boot.
But when the kernel comes to the drives (or the swap?)
it fatal traps 12. The trap descriptions sais that
current process is 0 (swapper).

Reading that I commented out the swap partition from fstab,
but that doesn't help.

How can I get the system to finish the boot?

Thank you and best regards.



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kernel: Fatal trap 12: page fault while in kernel mode

[Zinevich Denis]

Hi all.
Some problem with free.
I`ve got such mess in log:

Jan  4 22:47:09 fs kernel: Fatal trap 12: page fault while in kernel mode
Jan  4 22:47:09 fs kernel: fault virtual address= 0x3e
Jan  4 22:47:09 fs kernel: fault code = supervisor read, page not present
Jan  4 22:47:09 fs kernel: instruction pointer  = 0x20:0xc060cc24
Jan  4 22:47:09 fs kernel: stack pointer= 0x28:0xe529ac30
Jan  4 22:47:09 fs kernel: frame pointer= 0x28:0xe529ac34
Jan  4 22:47:09 fs kernel: code segment   = base 0x0, limit 0xf, 
type 0x1b

Jan  4 22:47:09 fs kernel: = DPL 0, pres 1, def32 1, gran 1
Jan  4 22:47:09 fs kernel: processor eflags = interrupt enabled, 
resume,IOPL = 0

Jan  4 22:47:09 fs kernel: current process  = 9 (thread taskq)
Jan  4 22:47:09 fs kernel: trap number  = 12
Jan  4 22:47:09 fs kernel: panic: page fault
Jan  4 22:47:09 fs kernel: Uptime: 4d0h37m10s
Jan  4 22:47:09 fs kernel: Physical memory: 2013 MB
Jan  4 22:47:09 fs kernel: Dumping 243 MB: 228 212 196 180 164 148 132 
116 100 84 68 52 36 20 4

Jan  4 22:47:09 fs kernel: Dump complete
Jan  4 22:47:09 fs kernel: Automatic reboot in 15 seconds - press a key 
on the console to abort

Jan  4 22:47:09 fs kernel: Rebooting...

Problem repeats for 6.2-RELEASE.

kgdb kernel.debug /var/crash/vmcore.0  - returns this:

Fatal trap 12: page fault while in kernel mode
fault virtual address   = 0x3e
fault code  = supervisor read, page not present
instruction pointer = 0x20:0xc060cc24
stack pointer   = 0x28:0xe529ac30
frame pointer   = 0x28:0xe529ac34
code segment= base 0x0, limit 0xf, type 0x1b
   = DPL 0, pres 1, def32 1, gran 1
processor eflags= interrupt enabled, resume, IOPL = 0
current process = 9 (thread taskq)
trap number = 12
panic: page fault
Uptime: 4d0h37m10s
Physical memory: 2013 MB
Dumping 243 MB: 228 212 196 180 164 148 132 116 100 84 68 52 36 20 4

#0  doadump () at pcpu.h:195
195 __asm __volatile(movl %%fs:0,%0 : =r (td));

I think it`s hardware problem. This machine has been working for about 9 
months with no problems but I dont know how to correctly find the 
problem.


uname -a:
FreeBSD fs.ngc.net.ua 8.0-CURRENT FreeBSD 8.0-CURRENT #3: Mon Dec 31 
05:07:25 EET 2007 [EMAIL PROTECTED]:/usr/obj/usr/src/sys/FS  i386

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Re: Kernel panic; fatal trap 12; on task 22, USB0: was Re: Moused issues?

[Hans Petter Selasky]

On Saturday 06 October 2007, Joe Altman wrote:
 chthonic.com/crash-crash-crash

Hi,

Do you have options KDB in your kernel config file ?

http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug-options.html

You should get a prompt when it panics. Then you type in bt for backtrace. 
Maybe you could take a picture of that. Probably someone is accessing a NULL 
pointer.

--HPS

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Re: Kernel panic; fatal trap 12; on task 22, USB0: was Re: Moused issues?

[Joe Altman]

On Sun, Oct 07, 2007 at 11:01:41AM +0200, Hans Petter Selasky wrote:
 On Saturday 06 October 2007, Joe Altman wrote:
  chthonic.com/crash-crash-crash
 
 Hi,
 
 Do you have options KDB in your kernel config file ?

Following your suggestion, I did try this; and there was no
change from kernel panic and reboot.

 http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug-options.html
 
 You should get a prompt when it panics.

There was no prompt.

 Then you type in bt for backtrace. 
 Maybe you could take a picture of that. 

Personally, it's a bit embarassing to be so helpless that I am forced
to take a picture. I suppose if I could be certain about how to
compile bootblocks, I might be able to do something on the serial
console with a laptop.

But the one time I attempted that was a disaster. 

Is my speculation about the ...no dump device found... correct? Is
it that swapon and multiuser has not occurred, and so there can occur
no dump to the swap space?

 Probably someone is accessing a NULL pointer.

If any more damage occurs, ISTM that my entire installation will be
accessing a NULL pointer; the following message is from the most
recent dmesg, and is new:

warning: KLD '/boot/kernel.old.bootable/drm.ko' is newer than the
linker.hints file

Since my hardware appears to not work with the available source, who
knows how that will go?
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Kernel panic; fatal trap 12; on task 22, USB0: was Re: Moused issues?

[Joe Altman]

NB: I've copied -usb because it looks to me like it's definitely USB
that's implicated; but I still need a clue for getting a crash dump;
-questions seems the place to ask for that.

On Sun, Sep 23, 2007 at 07:57:41PM -0400, Joe Altman wrote:
 
 uname for the machine on which it fails:
 
 6.2-STABLE FreeBSD 6.2-STABLE #0: Sun Sep  2 17:30:39 EDT 2007 i386
 
 Is it possible to get more info on this for debugging short of putting
 debugging in the kernel, and configuring a dump device; rebuilding
 world, and hoping my machine does not become unusable?

I'm still seeing the USB associated crashes, with sources updated
several times and world remade between Sept. 23 and Oct. 6, 11 AM EDT.

The above uname shows the only kernel I can use.

I've attempted to obtain a dump using these instructions:

http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug.html#KERNELDEBUG-OBTAIN

And here, I think, are the relevent details.

In /etc/rc.conf, I have:

##Crash
dumpdev=AUTO
dumpdir=/var/tmp/crash

/var/tmp/crash exists with appropriate permissions; and swapinfo shows
2 Gig of space:

 ~ $: swapinfo
Device  1M-blocks UsedAvail Capacity
/dev/ad0s1b  20480 2048 0%

AIUI, dumpdev=AUTO dictates the use of /dev/ad0s1b.

/var/tmp has this much free space:

df -m
/dev/ad0s1f  3962   618  302717%/var/tmp

However, my kernel tosses this message to the console:

Fatal trap 12: page fault while in kernel mode

snip

and indicates a problem with task 22, USB[1] 0. Prior to problem with
task 22, USB 0; it was the same fatal trap, task 25, USB 1.

Then it indicates that there is no dump device. It seems to me that
all I should have to do is define the dumpdev in rc.conf to obtain a
dump; and in my case, since /var is smaller than RAM and swap, define
/var/tmp/crash.

So it looks to me as if I am experiencing what is described here:

...a kernel is crashing before dumpon(8) can be executed. taken from
the kerneldebug.html page.

Or am I missing something in the configuration of the dump device? If
not, is my only option to put a dump directive into my kernel config?
If so, what is the proper syntax?

device dump  

or something else?

Also, I decided it was easier for my to snap a picture than
transcribe the screen; it's here if anyone is interested:

chthonic.com/crash-crash-crash

I'm limping along, I think; and would appreciate some clues, please.

One more data point: I'm using an IBM PIII laptop; and I do not
experience any crash on that; and my AMD dual core does not crash
either; all three machines use, AFAICT, the same USB code.

Thanks.

[1] The USB controller is: Intel 82801EB (ICH5) USB controller and
Intel 82801EB/R (ICH5) USB 2.0
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Fatal trap 12: page fault while in kernel mode.Need help.

[Slava Gonahchan]

Hello.
Trap 12 occured when I rebooted PC. Sending you backtrace.
My system: amd64 3200+ Venice, MB ECS nForce4 A939,Samsung 250GB and WD 
250 GB, 2 memory banks 512MB each, videocard: Geforce 6600gt 128MB,
NIC on realtek chip, sound card cirrus logic cs4281. It's very unstable, 
crashes happen every day, so I'm hoping you would say why(any hints what 
hardware may cause it).

How to repeat it? I don't know. It happened once during reboot process.

[EMAIL PROTECTED] /var]# uname -a
FreeBSD freelanc.dubki.ru 6.2-STABLE-200706 FreeBSD 6.2-STABLE-200706 
#1: Mon Jul 23 13:34:27 MSD 2007 
[EMAIL PROTECTED]:/usr/obj/usr/src/sys/DEBUGGERKERN i386


[EMAIL PROTECTED] /usr/obj/usr/src/sys/DEBUGGERKERN]# kgdb kernel.debug 
/var/crash/vmcore.3

kgdb: kvm_nlist(_stopped_cpus):
kgdb: kvm_nlist(_stoppcbs):
[GDB will not be able to debug user-mode threads: 
/usr/lib/libthread_db.so: Undefined symbol ps_pglobal_lookup]

GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you 
are
welcome to change it and/or distribute copies of it under certain 
conditions.

Type show copying to see the conditions.
There is absolutely no warranty for GDB. Type show warranty for details.
This GDB was configured as i386-marcel-freebsd.

Unread portion of the kernel message buffer:
118Jul 25 14:06:32 freelanc syslogd: exiting on signal 15
Waiting (max 60 seconds) for system process `vnlru' to stop...done
Waiting (max 60 seconds) for system process `syncer' to stop...
Syncing disks, vnodes remaining...6 5 3 1 0 0 done
Waiting (max 60 seconds) for system process `bufdaemon' to stop...done
All buffers synced.


Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x4
fault code = supervisor read, page not present
instruction pointer = 0x20:0xc058a4e0
stack pointer = 0x28:0xe9455c48
frame pointer = 0x28:0xe9455c58
code segment = base 0x0, limit 0xf, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 44922 (reboot)
panic: from debugger
Uptime: 2h45m36s
Dumping 1022 MB (2 chunks)
chunk 0: 1MB (159 pages) ... ok
chunk 1: 1022MB (261600 pages) 1006 990 974 958 942 926 910 894 878 862 
846 830 814 798 782 766 750 734 718 702 686 670 654 638 622 606 590 574 
558 542 526 510 494 478 462 446 430 414 398 382 366 350 334 318 302 286 
270 254 238 222 206 190 174 158 142 126 110 94 78 62 46 30 14


#0 doadump () at pcpu.h:165
165 __asm __volatile(movl %%fs:0,%0 : =r (td));
(kgdb) bt
#0 doadump () at pcpu.h:165
#1 0xc053d916 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:409
#2 0xc053dbdc in panic (fmt=0xc06f5278 from debugger)
at /usr/src/sys/kern/kern_shutdown.c:565
#3 0xc045361d in db_panic (addr=-1067932448, have_addr=0, count=-1,
modif=0xe9455a74 ) at /usr/src/sys/ddb/db_command.c:438
#4 0xc04535b4 in db_command (last_cmdp=0xc0766784, cmd_table=0x0,
aux_cmd_tablep=0xc0728e90, aux_cmd_tablep_end=0xc0728e94)
at /usr/src/sys/ddb/db_command.c:350
#5 0xc045367c in db_command_loop () at /usr/src/sys/ddb/db_command.c:458
#6 0xc0455291 in db_trap (type=12, code=0) at 
/usr/src/sys/ddb/db_main.c:222

#7 0xc0556a2b in kdb_trap (type=12, code=0, tf=0xe9455c08)
at /usr/src/sys/kern/subr_kdb.c:473
#8 0xc06cba6c in trap_fatal (frame=0xe9455c08, eva=4)
at /usr/src/sys/i386/i386/trap.c:828
#9 0xc06cb7d7 in trap_pfault (frame=0xe9455c08, usermode=0, eva=4)
at /usr/src/sys/i386/i386/trap.c:745
#10 0xc06cb3f1 in trap (frame=
{tf_fs = 8, tf_es = 40, tf_ds = 40, tf_edi = -381330360, tf_esi = 
-993547624, tf_ebp = -381330344, tf_isp = -381330380, tf_ebx = 0, tf_edx 
= -992513384, tf_ecx = 4, tf_eax = -950651024, tf_trapno = 12, tf_err = 
0, tf_eip = -1067932448, tf_cs = 32, tf_eflags = 590338, tf_esp = 0, 
tf_ss = -992305712})

at /usr/src/sys/i386/i386/trap.c:435
#11 0xc06b8b1a in calltrap () at /usr/src/sys/i386/i386/exception.s:139
#12 0xc058a4e0 in cache_purgevfs (mp=0xc4d77298)
at /usr/src/sys/kern/vfs_cache.c:622
#13 0xc0591f29 in dounmount (mp=0xc4d77298, flags=524288, td=0xc62ce300)
at /usr/src/sys/kern/vfs_mount.c:1214
#14 0xc0597d0a in vfs_unmountall () at /usr/src/sys/kern/vfs_subr.c:2837
#15 0xc053d807 in boot (howto=0) at /usr/src/sys/kern/kern_shutdown.c:391
#16 0xc053d2a2 in reboot (td=0xc62ce300, uap=0xc7563770)
at /usr/src/sys/kern/kern_shutdown.c:169
#17 0xc06cbdbb in syscall (frame=
{tf_fs = 59, tf_es = 59, tf_ds = 59, tf_edi = 2, tf_esi = 18, tf_ebp = 
-1077941304, tf_isp = -381330076, tf_ebx = 0, tf_edx = -1, tf_ecx = 
672491264, tf_eax = 55, tf_trapno = 12, tf_err = 2, tf_eip = 671802263, 
tf_cs = 51, tf_eflags = 662, tf_esp = -1077941380, tf_ss = 59}) at 
/usr/src/sys/i386/i386/trap.c:983
#18 0xc06b8b6f in Xint0x80_syscall () at 
/usr/src/sys/i386/i386/exception.s:200

#19 0x0033 in ?? ()
Previous frame inner to this frame (corrupt stack?)
(kgdb) up 19
#19 0x0033 in ?? ()
(kgdb) down 1
#18 0xc06b8b6f in Xint0x80_syscall () at 
/usr/src/sys/i386/i386/exception.s

Re: FreeBSD 6.2 Repeating Crash - Sleeping thread; Fatal trap 12: page fault; warning: 'T2' might be used uninitialized - SOLUTION

[Worth Bishop]

We finally determined the root of this problem. One of the system's memory 
modules was apparently going bad. When it failed permanently, the system 
crashed and would not reboot. We swapped out the memory (all Regsistered 
memory) and have not had problems since.


Thanks to the list for the efforts!

WB

(Below is a reply drafted a  long while back - included mostly to thank 
Beto...the rest of it is no longer relevant.)


Thank you very much for your reply, Beto.

I appreciate your point re:  drive age. I only mentioned it because I had
stated the age of the server at 5 years and hoped to forestall suggestions
that an older drive might be likely to have issues. However, I did follow
your suggestion and smartctl reports the drive to be in good health.

I misspoke - we did not upgrade, really, but did a fresh install of 6.1 on
the new drive and manually copied all user files, databases, PERL scripts,
etc. to the new drive. We had been running 4.7 and, since there was not a
direct route for upgrading, we did it the hard way.

Your advice re: copying  renaming GENERIC is well taken - that is, in fact,
exactly what we did. Further, as advised in the manual, we moved it from
/usr/src to a different directory and created a sym link to avoid
inadvertently overwriting it. We did not rename the ident line, but it seems
unlikely that that oversight would prevent the kernel from making.

Were any of the errors described familiar?


- Original Message - 
From: Norberto Meijome [EMAIL PROTECTED]

To: Worth Bishop [EMAIL PROTECTED]
Cc: freebsd-questions@freebsd.org
Sent: Wednesday, June 13, 2007 12:52 PM
Subject: Re: FreeBSD 6.2 Repeating Crash - Sleeping thread; Fatal trap 12:
page fault; warning: 'T2' might be used uninitialized



On Tue, 12 Jun 2007 11:38:19 -0400
Worth Bishop [EMAIL PROTECTED] wrote:


Addendum: For what it's worth, the 250Gb Samsung drive was added when the
system was upgraded - it's only 3-4 months old.


Worth,
that doesnt mean much - drives can (and do) fail anyway. I suggest you run
smartctl ( sysutils/smartmontools ) to run tests on your drive and ensure
you
don't have any actual problems with it

btw, you don't mention from what version you had upgraded to 6.1. Did you
do a
full world upgrade as well as kernel?


from your previous email, you ended up having some kernel build problems.
1) it is good practise to rename your kernel file (and ident line inside
it)
from GENERIC once you've modified it. It makes it obvious to see whether
you
are truly running the same GENERIC as everyone else.

2) make sure you have the latest and proper code for your line of src you
need
(eg, -STABLE , or RELEASE-p5 ,etc). You should use cvsup for this. If you
need
them, the default config files are in /usr/share/examples/cvsup/ .

B
_
{Beto|Norberto|Numard} Meijome

Never offend people with style when you can offend them with substance.
 Sam Brown

I speak for myself, not my employer. Contents may be hot. Slippery when
wet.
Reading disclaimers makes you go blind. Writing them is worse. You have
been
Warned.



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Re: FreeBSD 6.2 Repeating Crash - Sleeping thread; Fatal trap 12: page fault; warning: 'T2' might be used uninitialized

[Norberto Meijome]

On Tue, 12 Jun 2007 11:38:19 -0400
Worth Bishop [EMAIL PROTECTED] wrote:

 Addendum: For what it's worth, the 250Gb Samsung drive was added when the 
 system was upgraded - it's only 3-4 months old.

Worth,
that doesnt mean much - drives can (and do) fail anyway. I suggest you run
smartctl ( sysutils/smartmontools ) to run tests on your drive and ensure you
don't have any actual problems with it

btw, you don't mention from what version you had upgraded to 6.1. Did you do a
full world upgrade as well as kernel?


from your previous email, you ended up having some kernel build problems.
1) it is good practise to rename your kernel file (and ident line inside it)
from GENERIC once you've modified it. It makes it obvious to see whether you
are truly running the same GENERIC as everyone else.

2) make sure you have the latest and proper code for your line of src you need
(eg, -STABLE , or RELEASE-p5 ,etc). You should use cvsup for this. If you need
them, the default config files are in /usr/share/examples/cvsup/ .

B
_
{Beto|Norberto|Numard} Meijome

Never offend people with style when you can offend them with substance.
  Sam Brown

I speak for myself, not my employer. Contents may be hot. Slippery when wet.
Reading disclaimers makes you go blind. Writing them is worse. You have been
Warned.
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Re: FreeBSD 6.2 Repeating Crash - Sleeping thread; Fatal trap 12: page fault; warning: 'T2' might be used uninitialized

[Brian A. Seklecki]

Read:

http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug.html


Also, is your /usr/src tagged RELENG_6_2 ?  You can remove DEBUG=-g and
that problem does not occur?

You didn't try to update your src to tree to STABLE or CURRENT?

~~BAS

On Tue, 2007-06-12 at 11:33 -0400, Worth Bishop wrote:
 ed GENERIC and edited it, noting that options   ddb was 
 already enabled. We added 'makeoptions DEBUG=-g#
 Build 
 kernel with gdb(1) debug symbols' as suggested and tried to make 
 buildkernel which errored out stating that KDB must be enabled to use
 DDB. 
 We edited KERNEL.DEBUG to add 'options KDB
 # 
 Enable kernel debugger' and attempted to make buildkernel again.
 This 
 time, the process stopped again with the message:
 
 THIRD ERROR EVENT
 
 [snip]
 inline-unit-growth=100 --param 
 arge-function-growth=1000  -mno-align-long-strings
 -mpreferred-stack-bounda 
-- 
Brian A. Seklecki [EMAIL PROTECTED]
Collaborative Fusion, Inc.




IMPORTANT: This message contains confidential information and is intended only 
for the individual named. If the reader of this message is not an intended 
recipient (or the individual responsible for the delivery of this message to an 
intended recipient), please be advised that any re-use, dissemination, 
distribution or copying of this message is prohibited.  Please notify the 
sender immediately by e-mail if you have received this e-mail by mistake and 
delete this e-mail from your system.


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Re: FreeBSD 6.2 Repeating Crash - Sleeping thread; Fatal trap 12: page fault; warning: 'T2' might be used uninitialized

[Brian A. Seklecki]

Hardware can be eliminated by running memtest86 bootable ISOs from the
web site.  A bad sector test on the drives would be less ambiguous
(kernel messages preceeding a panic).  Smart can be helpful.

Overheating CPUs and underpowered/overheated Power Supplies can cause
problems, but they would normally manifest in memtest86+ failures

www.memtest.org/

On Thu, 2007-06-14 at 02:52 +1000, Norberto Meijome wrote:
 On Tue, 12 Jun 2007 11:38:19 -0400
 Worth Bishop [EMAIL PROTECTED] wrote:
 
  Addendum: For what it's worth, the 250Gb Samsung drive was added when the 
  system was upgraded - it's only 3-4 months old.
 
 Worth,
 that doesnt mean much - drives can (and do) fail anyway. I suggest you run
 smartctl ( sysutils/smartmontools ) to run tests on your drive and ensure you
 don't have any actual problems with it
 
 btw, you don't mention from what version you had upgraded to 6.1. Did you do a
 full world upgrade as well as kernel?
 
 
 from your previous email, you ended up having some kernel build problems.
 1) it is good practise to rename your kernel file (and ident line inside it)
 from GENERIC once you've modified it. It makes it obvious to see whether you
 are truly running the same GENERIC as everyone else.
 
 2) make sure you have the latest and proper code for your line of src you need
 (eg, -STABLE , or RELEASE-p5 ,etc). You should use cvsup for this. If you need
 them, the default config files are in /usr/share/examples/cvsup/ .
 
 B
 _
 {Beto|Norberto|Numard} Meijome
 
 Never offend people with style when you can offend them with substance.
   Sam Brown
 
 I speak for myself, not my employer. Contents may be hot. Slippery when wet.
 Reading disclaimers makes you go blind. Writing them is worse. You have been
 Warned.
 ___
 freebsd-questions@freebsd.org mailing list
 http://lists.freebsd.org/mailman/listinfo/freebsd-questions
 To unsubscribe, send any mail to [EMAIL PROTECTED]
-- 
Brian A. Seklecki [EMAIL PROTECTED]
Collaborative Fusion, Inc.




IMPORTANT: This message contains confidential information and is intended only 
for the individual named. If the reader of this message is not an intended 
recipient (or the individual responsible for the delivery of this message to an 
intended recipient), please be advised that any re-use, dissemination, 
distribution or copying of this message is prohibited.  Please notify the 
sender immediately by e-mail if you have received this e-mail by mistake and 
delete this e-mail from your system.


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FreeBSD 6.2 Repeating Crash - Sleeping thread; Fatal trap 12: page fault; warning: 'T2' might be used uninitialized

[Worth Bishop]

Please help if you can...

BACKGROUND

This crash is occurring on a dual-AMD 1.6Ghz cpu white-box system with 1 Gb 
ram, 250Gb storage running GENERIC kernel. The system has been in production 
use as a web server for nearly five years.


About 3 - 4 months ago, the system was upgraded from an earlier FreeBSD 
version to 6.1. At the same time, all supporting applications (Apache 
webserver, PERL, PostgreSQL, PHP, countless other applications  libraries) 
were upgraded to the current releases. The system was stable up until a 
couple of weeks ago.


FIRST ERROR EVENT

The system crashed during normal usage. The following message was displayed 
on the console which was not responsive to keyboard input:


Sleeping thread (tid 100122, pid 11099)
 owns a non-sleepable lock

panic:  sleeping thread
cpuid=1

The system was restarted, an fsck routine was completed (answering yes to 
all the Do you want to salvage type questions) and the server ran fine. 
For about a week. It then crashed again several times, at intervals varying 
from a few minutes of uptime to a few days.


SECOND ERROR EVENT

After some crashes, a message similar to that above was displayed. However, 
at other times a message similar to this was displayed:


kernel trap 12 with interrupts disabled

Fatal trap 12:  page fault while in kernel mode
cpuid=0; apic id=01
fault virtual address 
=0x100
fault code 
=supervisor read, page not present
instruction pointer 
=0x20:0xc066c731
stack pointer 
=0x28:0xe432ebf0
framepointer 
=0x28:0xe432ebfc
code segment 
=base 0x0, limit0xf, type 0x1b

=DPL 0, pres 1, def32 1, gran1
processor eflags 
=resume, IOPL=0
current process 
=36 (syncer)
trap number 
= 12

panic: page fault
cpuid=0
uptime:  3d10h11m44s
Dumping 1535 Mb (2 chunks)  [NOTE:  the system had 1.5Gb memory at that 
time. Memory was removed, reseated, swapped, etc., now 1Gb]

  chunk 0:1Mb (159 pages)

CORRECTIONS ATTEMPTED

Somewhere during this ordeal, a Google search revealed a number of other 
people experiencing the Sleeping thread problem. One of these was 
apparently experienced in a FreeBSD 6.x development version stress test. No 
definitive solution was identified in anything we say, except a single 
reference to the problem being a kernel bug fixed in FreeBSD 6.2.


Accordingly, we upgraded from 6.1  to 6.2 but have still experienced the 
problem.


We reviewed the 'messages' file and found references to several things which 
led us to check FreeBSD 6.2 ERRATA 
(http://www.freebsd.org/releases/6.2R/errata.html). This suggested adding 
'kern.ipc.nmbclusters=0' to the /boot/loader.conf file which might avoid a 
known issue. We tried this, but saw no relief.


We also found a reference in the manual that suggested the issue might be a 
problem with the APIC in 6.x. This recommended adding 
'hint.apic.0.disabled=1' to loader.conf. Tried this; no help.


In order to try to get more information about the system dumps we added: 
dumpdev=AUTO and dumpdir=/usr/crash [to get more storage space than 
available in /var/] and have generated several vmcore.# files of ~1 Gb each 
(all identical size).


We attempted to use DDB to analyze the dumps (struggling now, unfamiliar 
with kernel debugging process) with no success. Research suggested we needed 
to create a debug version of the kernel (i.e., KERNEL.DEBUG) with debugging 
options enabled.


We duly copied GENERIC and edited it, noting that options   ddb was 
already enabled. We added 'makeoptions DEBUG=-g# Build 
kernel with gdb(1) debug symbols' as suggested and tried to make 
buildkernel which errored out stating that KDB must be enabled to use DDB. 
We edited KERNEL.DEBUG to add 'options KDB # 
Enable kernel debugger' and attempted to make buildkernel again. This 
time, the process stopped again with the message:


THIRD ERROR EVENT

[snip]
inline-unit-growth=100 --param 
arge-function-growth=1000  -mno-align-long-strings -mpreferred-stack-boundary=2 
 -mno-mmx -mno-3dnow -mno-sse -mno-sse2 -ffreestanding -Werror 
/usr/src/sys/crypto/sha2/sha2.c

/usr/src/sys/crypto/sha2/sha2.c: In function `SHA512_Transform':
/usr/src/sys/crypto/sha2/sha2.c:753: warning: 'T2' might be used 
uninitialized in this function

*** Error code 1

Stop in /usr/obj/usr/src/sys/KERNEL.DEBUG.
*** Error code 1

Stop in /usr/src.
*** Error code 1

Stop in /usr/src.
www:/usr/src#

With this, we are stumped.

HELP PLEASE!

Can anyone:

-  lead us to a solution based on these error messages?
-  help us understand why the GENERIC kernel with only the debugging options 
added failed to make?
-  help us understand what '/usr/src/crypto/sha2/sha2.c' has to do with 
anything?
-  help us understand what we need to do to extract useful information from 
the vmcore.# files?

-  offer any other suggestions?

Thanks in advance!









___
freebsd

Fw: FreeBSD 6.2 Repeating Crash - Sleeping thread; Fatal trap 12: page fault; warning: 'T2' might be used uninitialized

[Worth Bishop]

Addendum: For what it's worth, the 250Gb Samsung drive was added when the 
system was upgraded - it's only 3-4 months old.


- Original Message - 
From: Worth Bishop [EMAIL PROTECTED]

To: freebsd-questions@freebsd.org
Sent: Tuesday, June 12, 2007 11:33 AM
Subject: FreeBSD 6.2 Repeating Crash - Sleeping thread; Fatal trap 12: page 
fault; warning: 'T2' might be used uninitialized




Please help if you can...

BACKGROUND

This crash is occurring on a dual-AMD 1.6Ghz cpu white-box system with 1 
Gb ram, 250Gb storage running GENERIC kernel. The system has been in 
production use as a web server for nearly five years.


About 3 - 4 months ago, the system was upgraded from an earlier FreeBSD 
version to 6.1. At the same time, all supporting applications (Apache 
webserver, PERL, PostgreSQL, PHP, countless other applications  
libraries) were upgraded to the current releases. The system was stable up 
until a couple of weeks ago.


FIRST ERROR EVENT

The system crashed during normal usage. The following message was 
displayed on the console which was not responsive to keyboard input:


Sleeping thread (tid 100122, pid 11099)
 owns a non-sleepable lock

panic:  sleeping thread
cpuid=1

The system was restarted, an fsck routine was completed (answering yes 
to all the Do you want to salvage type questions) and the server ran 
fine. For about a week. It then crashed again several times, at intervals 
varying from a few minutes of uptime to a few days.


SECOND ERROR EVENT

After some crashes, a message similar to that above was displayed. 
However, at other times a message similar to this was displayed:


kernel trap 12 with interrupts disabled

Fatal trap 12:  page fault while in kernel mode
cpuid=0; apic id=01
fault virtual address =0x100
fault code =supervisor read, page not present
instruction pointer =0x20:0xc066c731
stack pointer =0x28:0xe432ebf0
framepointer =0x28:0xe432ebfc
code segment =base 0x0, limit0xf, type 0x1b

=DPL 0, pres 1, def32 1, gran1
processor eflags =resume, IOPL=0
current process =36 (syncer)
trap number = 12
panic: page fault
cpuid=0
uptime:  3d10h11m44s
Dumping 1535 Mb (2 chunks)  [NOTE:  the system had 1.5Gb memory at that 
time. Memory was removed, reseated, swapped, etc., now 1Gb]

  chunk 0:1Mb (159 pages)

CORRECTIONS ATTEMPTED

Somewhere during this ordeal, a Google search revealed a number of other 
people experiencing the Sleeping thread problem. One of these was 
apparently experienced in a FreeBSD 6.x development version stress test. 
No definitive solution was identified in anything we say, except a single 
reference to the problem being a kernel bug fixed in FreeBSD 6.2.


Accordingly, we upgraded from 6.1  to 6.2 but have still experienced the 
problem.


We reviewed the 'messages' file and found references to several things 
which led us to check FreeBSD 6.2 ERRATA 
(http://www.freebsd.org/releases/6.2R/errata.html). This suggested adding 
'kern.ipc.nmbclusters=0' to the /boot/loader.conf file which might avoid 
a known issue. We tried this, but saw no relief.


We also found a reference in the manual that suggested the issue might be 
a problem with the APIC in 6.x. This recommended adding 
'hint.apic.0.disabled=1' to loader.conf. Tried this; no help.


In order to try to get more information about the system dumps we added: 
dumpdev=AUTO and dumpdir=/usr/crash [to get more storage space than 
available in /var/] and have generated several vmcore.# files of ~1 Gb 
each (all identical size).


We attempted to use DDB to analyze the dumps (struggling now, unfamiliar 
with kernel debugging process) with no success. Research suggested we 
needed to create a debug version of the kernel (i.e., KERNEL.DEBUG) with 
debugging options enabled.


We duly copied GENERIC and edited it, noting that options   ddb was 
already enabled. We added 'makeoptions DEBUG=-g# Build 
kernel with gdb(1) debug symbols' as suggested and tried to make 
buildkernel which errored out stating that KDB must be enabled to use 
DDB. We edited KERNEL.DEBUG to add 'options KDB 
# Enable kernel debugger' and attempted to make buildkernel again. This 
time, the process stopped again with the message:


THIRD ERROR EVENT

[snip]
inline-unit-growth=100 --param 
rge-function-growth=1000  -mno-align-long-strings -mpreferred-stack-boundary=2 
 -mno-mmx -mno-3dnow -mno-sse -mno-sse2 -ffreestanding -Werror 
/usr/src/sys/crypto/sha2/sha2.c

/usr/src/sys/crypto/sha2/sha2.c: In function `SHA512_Transform':
/usr/src/sys/crypto/sha2/sha2.c:753: warning: 'T2' might be used 
uninitialized in this function

*** Error code 1

Stop in /usr/obj/usr/src/sys/KERNEL.DEBUG.
*** Error code 1

Stop in /usr/src.
*** Error code 1

Stop in /usr/src.
www:/usr/src#

With this, we are stumped.

HELP PLEASE!

Can anyone:

-  lead us to a solution based on these error messages?
-  help us understand why the GENERIC kernel with only the debugging 
options added failed to make?
-  help us understand what

fatal trap 12, can't get core

[christopher floess]

Hi, I'm running 5.4 with a modified GENERIC kernel, and  I recently rebooted
my system to find out that it hangs on probing ad1 with a fatal trap 12.

Here's the entire error message

ad1 Timeout - Read_dma retrying (2 retries left) LBA 117231345
kernel trap 12 with interrupts disabled
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x6c
fault code   = supervisor read, page not present
instruction pointer   = 0x8:0xc063fb59

stack pointer = 0x10:0xde0fac40
frame pointer= 0x10:0xde0fac44
code segment= base 0x0, limit 0xf, type ox1b
 = DPL 0, pres 1, def32 1, gran 1
processor eflags   = resume, IOPL = 0
current process= 6(thread taskq)
trap number = 12
panic: page fault
cannot dump. no dump device

In my rc.conf I've got

dumpdev=/dev/ad0s1b
dumpdir=/usr/crash

For some reason it still says no dump device.
Right now I'm able to boot my system into safe mode, but not single
user or normal. I
think I might not be able to get core dumps b/c my system doesn't get far
enough in the boot process,  so I'm trying to follow the directions here

http://www.freebsd.org/doc/en_US.ISO8859-1/books/faq/advanced.html#KERNEL-PANIC-TROUBLESHOOTING


but I'm not sure about this part of the instructions

% nm -n /kernel.that.caused.the.panic | grep f0xx

Do I need to replace /kernel.that.caused.the.panic with
/boot/kernel/kernel? If so, here' is the out put of


nm -n /boot/kernel/kernel | grep c063fb59

c063fb3c t init_turnstile0
c063fb4c t turnstile_setowner
c063fb78 T turnstile_alloc
c063fbb0 T turnstile_free
c063fbc4 T turnstile_lookup

Can someone help me out here? Am I going about it all wrong? Let me know
what other info might be needed. Thanks ~ Chris

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Re: fatal trap 12, can't get core

[Josh Paetzel]

On Thursday 04 January 2007 21:47, christopher floess wrote:
 Hi, I'm running 5.4 with a modified GENERIC kernel, and  I recently
 rebooted my system to find out that it hangs on probing ad1 with a
 fatal trap 12.

 Here's the entire error message

 ad1 Timeout - Read_dma retrying (2 retries left) LBA 117231345
 kernel trap 12 with interrupts disabled
 Fatal trap 12: page fault while in kernel mode
 fault virtual address = 0x6c
 fault code   = supervisor read, page not present
 instruction pointer   = 0x8:0xc063fb59

 stack pointer = 0x10:0xde0fac40
 frame pointer= 0x10:0xde0fac44
 code segment= base 0x0, limit 0xf, type ox1b
   = DPL 0, pres 1, def32 1, gran 1
 processor eflags   = resume, IOPL = 0
 current process= 6(thread taskq)
 trap number = 12
 panic: page fault
 cannot dump. no dump device

 In my rc.conf I've got

 dumpdev=/dev/ad0s1b
 dumpdir=/usr/crash

 For some reason it still says no dump device.
 Right now I'm able to boot my system into safe mode, but not single
 user or normal. I
 think I might not be able to get core dumps b/c my system doesn't
 get far enough in the boot process,  so I'm trying to follow the
 directions here

 http://www.freebsd.org/doc/en_US.ISO8859-1/books/faq/advanced.html#
KERNEL-PANIC-TROUBLESHOOTING


 but I'm not sure about this part of the instructions

 % nm -n /kernel.that.caused.the.panic | grep f0xx

 Do I need to replace /kernel.that.caused.the.panic with
 /boot/kernel/kernel? If so, here' is the out put of

  nm -n /boot/kernel/kernel | grep c063fb59

 c063fb3c t init_turnstile0
 c063fb4c t turnstile_setowner
 c063fb78 T turnstile_alloc
 c063fbb0 T turnstile_free
 c063fbc4 T turnstile_lookup

 Can someone help me out here? Am I going about it all wrong? Let me
 know what other info might be needed. Thanks ~ Chris


Sounds a lot like you have a dead drive or controller to me.  Have you 
tried running the drive manufacturer's diagnostics on it?

-- 
Thanks,

Josh Paetzel
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Panic/Fatal trap 12 while installing 6.1-RELEASE

[Juha Saarinen]

Trying to install 6.1 on a Gigabyte 8i955 Royale motherboard, with an
Intel D840 and 2GB of RAM onboard. However, booting up from the 6.1 CD
results in a locked up system and this on the screen:

Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x4
fault code = supervisor write, page not present
instruction pointer = 0x20:0xc07b5e7d
stack pointer = 0x28:0xc1020d44
frame pointer = 0x28:0xc1020d58
code segment = base 0x0, limit 0xf, type 0x1b
= DPL 0, pres 1, def 32 1, gran 1
processor eflags = interrupt enabled, resume IOPL = 0
current process = 0 ()
trap number = 12
panic: page fault
uptime: 1s

Not sure where to go from here, as system locks up solid. Booting with
ACPI disabled and Safe Mode result in:

vm_page_insert: page already inserted

and system lockup.

Verbose logging, and I get the exact same Fatal trap 12 as above.


--

Juha
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Re: Panic/Fatal trap 12 while installing 6.1-RELEASE

[Juha Saarinen]

Never mind, turned out to be dodgy RAM.



--

Juha
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fatal trap 12 error

[Halid Faith]

Hello

I use FreeBSD6.0.  

The machine is be locked every week.  it gives an error as below:
I add to kernel multi cpu support. Also I haven't changed the kernel 

fatal trap 12: page default while in kernel mode
cpuid=1 ; apic id = 00
fault code = supervisor write, page not present
trap number = 12
panic : page default
dumpin 1023MB (2 chunks)

That 's a strange condition that I have also another machine which has been 
installed Freebsd6.0.
That machine works well no problem.

How can I get rid off this condition?

Thanks
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What does it cause that message Fatal trap 12: page fault while in kernel mode ?

[Basheer Faith]

Hello

I use FreeBSD-release6.0. the server gives an error on display as below and be 
locked about every 10 days.
Fatal trap 12: page fault while in kernel mode
...
...


The server has 1 gbyte Ram,  P3-550 Mhz, 2 CPU.
SMP is active in kernel.

What shall I do ?


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Re: fatal trap 12 page fault in kernel mode

[Lowell Gilbert]

rwarneford [EMAIL PROTECTED] writes:

 I am not having any success in installing FreeBSD 6.0 at all. When the
 default install boot starts, it hangs at some point after identifying ad0
 and acd0.

 If I go to the boot loader prompt, set hint.acpi.0.disabled=1, or use safe
 mode, install boot crashes very soon with the following output:




 $PIR : BIOS IRQ 10 for 0.11INTA does not match link 0x63 irq 5

 pci0 : PCI bus on pcib0




 fatal trap 12 : page code fault while in kernel mode

 fault virtual address = 0xeba60

 fault code = supervisor read, page not present

 instruction pointer = 0x20:0xc00eb961

 frame pointer = 0x28:0xc10209e4

 stack pointer = 0x28:0xc10209e4

 code segment = base 0x0, limit 0xf, type 0x1b

 DPL 0, pres 1, def 321, gran 1

 processor flags = interrupt enabled, resume, IOPL=0

 current process = 0 (swapper)

 trap number = 12



 Rob


Have you tried 6.1 as well?
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fatal trap 12 page fault in kernel mode

[rwarneford]

I am not having any success in installing FreeBSD 6.0 at all. When the
default install boot starts, it hangs at some point after identifying ad0
and acd0.

If I go to the boot loader prompt, set hint.acpi.0.disabled=1, or use safe
mode, install boot crashes very soon with the following output:




$PIR : BIOS IRQ 10 for 0.11INTA does not match link 0x63 irq 5

pci0 : PCI bus on pcib0




fatal trap 12 : page code fault while in kernel mode

fault virtual address = 0xeba60

fault code = supervisor read, page not present

instruction pointer = 0x20:0xc00eb961

frame pointer = 0x28:0xc10209e4

stack pointer = 0x28:0xc10209e4

code segment = base 0x0, limit 0xf, type 0x1b

DPL 0, pres 1, def 321, gran 1

processor flags = interrupt enabled, resume, IOPL=0

current process = 0 (swapper)

trap number = 12



Rob
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fatal trap 12 in kernel mode

[Dave]

Hello,
I'm trying to do a 5.4-release install on an older box, it's an AT 
motherboard, and i hope that's not my problem. I'm getting the below error 
and would appreciate any help.

Thanks.
Dave.


Insert boot floppy and press Enter
/acpi.ko text=0x414fc data=0x1dc4+0x112c syms=[0x4+0x7670+0x4+0x9d05]
can't open '/boot/beastie.4th': inappropriate file type or format

/
Hit [Enter] to boot immediately, or any other key for command prompt.
Booting [/kernel]...
Copyright (c) 1992-2005 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
   The Regents of the University of California. All rights reserved.
FreeBSD 5.4-RELEASE #0: Sun May  8 10:21:06 UTC 2005
   [EMAIL PROTECTED]:/usr/obj/usr/src/sys/GENERIC
Timecounter i8254 frequency 1193182 Hz quality 0
CPU: AMD-K6(tm) 3D processor (450.17-MHz 586-class CPU)
 Origin = AuthenticAMD  Id = 0x58c  Stepping = 12
 Features=0x8021bfFPU,VME,DE,PSE,TSC,MSR,MCE,CX8,PGE,MMX
 AMD Features=0x8800SYSCALL,3DNow!
real memory  = 268435456 (256 MB)
avail memory = 248946688 (237 MB)
K6-family MTRR support enabled (2 registers)
   ACPI-0159: *** Error: AcpiLoadTables: Could not get RSDP, 
AE_NO_ACPI_TABLES
   ACPI-0213: *** Error: AcpiLoadTables: Could not load tables: 
AE_NO_ACPI_TABL
   ACPI-0213: *** Error: AcpiLoadTables: Could not load tables: 
AE_NO_ACPI_TABLES

ACPI: table load failed: AE_NO_ACPI_TABLES
npx0: math processor on motherboard
npx0: INT 16 interface
cpu0 on motherboard
pcib0: VIA 82C598MVP (Apollo MVP3) host bridge pcibus 0 on motherboard
pir0: PCI Interrupt Routing Table: 4 Entries on motherboard
pci0: PCI bus on pcib0
agp0: VIA 82C598 (Apollo MVP3) host to PCI bridge mem 
0xe000-0xe3ff at
agp0: VIA 82C598 (Apollo MVP3) host to PCI bridge mem 
0xe000-0xe3ff at device 0.0 on pci0

pcib1: PCI-PCI bridge at device 1.0 on pci0
pci1: PCI bus on pcib1
isab0: PCI-ISA bridge at device 7.0 on pci0
isa0: ISA bus on isab0
atapci0: VIA 82C586B UDMA33 controller port 
0xe000-0xe00f,0x376,0x170-0x177,0x
atapci0: VIA 82C586B UDMA33 controller port 
0xe000-0xe00f,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 7.1 on pci0

ata0: channel #0 on atapci0
ata1: channel #1 on atapci0
rl0: RealTek 8139 10/100BaseTX port 0xe800-0xe8ff mem 
0xe400-0xe4ff ir
rl0: RealTek 8139 10/100BaseTX port 0xe800-0xe8ff mem 
0xe400-0xe4ff irq 10 at device 17.0 on pci0

miibus0: MII bus on rl0
rlphy0: RealTek internal media interface on miibus0
rlphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
rl0: Ethernet address: 00:08:54:00:f3:3b
ohci0: NEC uPD 9210 USB controller mem 0xe4001000-0xe4001fff irq 9 at 
device 1
ohci0: NEC uPD 9210 USB controller mem 0xe4001000-0xe4001fff irq 9 at 
device 18.0 on pci0

usb0: OHCI version 1.0
usb0: NEC uPD 9210 USB controller on ohci0
usb0: USB revision 1.0
uhub0: NEC OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 3 ports with 3 removable, self powered
ohci1: NEC uPD 9210 USB controller mem 0xe4002000-0xe4002fff irq 9 at 
device 1
ohci1: NEC uPD 9210 USB controller mem 0xe4002000-0xe4002fff irq 9 at 
device 18.1 on pci0

usb1: OHCI version 1.0
usb1: NEC uPD 9210 USB controller on ohci1
usb1: USB revision 1.0
uhub1: NEC OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
pci0: serial bus, USB at device 18.2 (no driver attached)
orm0: ISA Option ROM at iomem 0xc-0xc7fff on isa0
pmtimer0 on isa0
atkbdc0: Keyboard controller (i8042) at port 0x64,0x60 on isa0
atkbd0: AT Keyboard flags 0x1 irq 1 on atkbdc0
kbd0 at atkbd0
fdc0: Enhanced floppy controller at port 0x3f0-0x3f5 irq 6 drq 2 on isa0
fd0: 1440-KB 3.5 drive on fdc0 drive 0
sc0: System console at flags 0x100 on isa0
sc0: VGA 16 virtual consoles, flags=0x100
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 16550A, console
sio1: configured irq 3 not in bitmap of probed irqs 0
sio1: port may not be enabled
vga0: Generic ISA VGA at port 0x3c0-0x3df iomem 0xa-0xb on isa0
unknown: PNP0303 can't assign resources (port)
unknown: PNP0501 can't assign resources (port)
unknown: PNP0700 can't assign resources (port)
Timecounter TSC frequency 450165168 Hz quality 800
Timecounters tick every 10.000 msec
md0: Preloaded image /mfsroot 4423680 bytes at 0xc0a34270
ad0: 9541MB WDC WD100EB-00BHF0/15.15M15 [19386/16/63] at ata0-master 
UDMA33

acd0: CDROM ATAPI CDROM/V1.50 at ata1-slave PIO4


Fatal trap 12: page fault while in kernel mode
fault virtual address   = 0x1
fault code  = supervisor write, page not present
instruction pointer = 0x8:0xc04b4e34
stack pointer   = 0x10:0xcbf37c5c
frame pointer   = 0x10:0xcbf37c64
code segment= base 0x0, limit 0xf, type 0x1b
   = DPL 0, pres 1, def32 1, gran 1
processor eflags= interrupt enabled, resume, IOPL = 0
current process = 4 (g_down)
trap number = 12
panic: page fault
Uptime: 3s
Cannot dump. No dump device defined.
Automatic

Re: fatal trap 12 in kernel mode

[Kris Kennaway]

On Tue, Oct 25, 2005 at 02:18:10PM -0400, Dave wrote:
 Hello,
 I'm trying to do a 5.4-release install on an older box, it's an AT 
 motherboard, and i hope that's not my problem. I'm getting the below error 
 and would appreciate any help.

Try disabling acpi, many older motherboards had broken acpi support
(although if you're lucky there's an updated bios).

Kris


pgpn3PBtWKOOQ.pgp
Description: PGP signature

5.4 Installation Problems on Dell GX280 - Fatal trap 12

[John Vaughan]

I am trying to install FreeBSD 5.4 on a Dell GX280 and am getting a
Fatal trap 12 supervisor write, page not present error.  From what
I've read, this is an ACPI problem which I could disable if I had a
PS2 port, but the GX280 doesn't have them.  Has anyone gotten 5.4 to
run properly on a GX280 using option 7 to boot with usb keyboard?

-John
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RE: 5.4 Installation Problems on Dell GX280 - Fatal trap 12

[SHands]

I've had a nightmare trying to get 5.4 (also tried 5.3) to work on a
Dell GX280 - which had exactly the same problem. In the end, I ended up
using a serial link to get the install done and then got inetd setup so
that I could troubleshoot over the network.

This didn't help long term as the keyboard didn't work once I'd
restarted after finishing the install. I stumbled on this script which
seemed to do the trick:

http://lists.freebsd.org/pipermail/freebsd-questions/2003-October/022771
.html

I used telnet to get at rc.conf - but there probably are other better
ways.

It seems a shame that Dell (and other manufacturers) are phasing out old
'legacy' hardware like the good ol' PS/2 ports. It's just a good job
that they didn't kill the serial port on this particular machine! (yet)

Hope this helps,
Stuart


-Original Message-
From: John Vaughan [mailto:[EMAIL PROTECTED] 
Sent: 21 June 2005 22:10
To: freebsd-questions@freebsd.org
Subject: 5.4 Installation Problems on Dell GX280 - Fatal trap 12

I am trying to install FreeBSD 5.4 on a Dell GX280 and am getting a
Fatal trap 12 supervisor write, page not present error.  From what
I've read, this is an ACPI problem which I could disable if I had a
PS2 port, but the GX280 doesn't have them.  Has anyone gotten 5.4 to
run properly on a GX280 using option 7 to boot with usb keyboard?

-John


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Re[2]: 5.4 Installation Problems on Dell GX280 - Fatal trap 12

[Daniel Gerzo]

Hello SHands,

Wednesday, June 22, 2005, 12:37:57 AM, you thinks about:

 I've had a nightmare trying to get 5.4 (also tried 5.3) to work on a
 Dell GX280 - which had exactly the same problem. In the end, I ended up
 using a serial link to get the install done and then got inetd setup so
 that I could troubleshoot over the network.

 This didn't help long term as the keyboard didn't work once I'd
 restarted after finishing the install. I stumbled on this script which
 seemed to do the trick:

 http://lists.freebsd.org/pipermail/freebsd-questions/2003-October/022771
 .html

 I used telnet to get at rc.conf - but there probably are other better
 ways.

 It seems a shame that Dell (and other manufacturers) are phasing out old
 'legacy' hardware like the good ol' PS/2 ports. It's just a good job
 that they didn't kill the serial port on this particular machine! (yet)

 that sux, indeed :-(

 Hope this helps,
 Stuart


 -Original Message-
 From: John Vaughan [mailto:[EMAIL PROTECTED] 
 Sent: 21 June 2005 22:10
 To: freebsd-questions@freebsd.org
 Subject: 5.4 Installation Problems on Dell GX280 - Fatal trap 12

 I am trying to install FreeBSD 5.4 on a Dell GX280 and am getting a
 Fatal trap 12 supervisor write, page not present error.  From what
 I've read, this is an ACPI problem which I could disable if I had a
 PS2 port, but the GX280 doesn't have them.  Has anyone gotten 5.4 to
 run properly on a GX280 using option 7 to boot with usb keyboard?

 -John

 So long, I can say that I'm able to use gx280 on 5.4. I was able to
 install it from CD with usb keyboard using option 7 - boot with usb
 keyboard. No fatal trap 12. The only problem I had is that I wan't
 able to use HTT.

 (but it was my fault I think :-) and since it is considered to be
 harmful and it doesn't really boost up machine's performance, I'm
 not solving it.)

-- 
Best Regards,

 DanGer, ICQ: 261701668  | e-mail protecting at: http://www.2pu.net/
 http://danger.rulez.sk  | proxy list at:http://www.proxy-web.com/
 | FreeBSD - The Power to Serve!

[ Fight Crime: Don't dial 911, shoot back!! ]

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Re: Re[2]: 5.4 Installation Problems on Dell GX280 - Fatal trap 12

[John Vaughan]

Thanks Stuart for reminding me of my alternative install options. 
I'll try installing over serial tomorrow.  I've never had to install
off anything but a CD, so it will be a good learning experience for me
anyway.  Now to just dig out that old 486 and track down a Null modem
cable. . . .

Daniel, I'm still a little stumped why you were able to install 5.4 on
a GX280 without any problems.  Maybe there is some slight variation in
the Dell systems even though they are the same model #.  Who knows? 
Or maybe a slight difference in our BIOS configs.  At least there is a
workaround - if not a very convient one.

-John

 
  I've had a nightmare trying to get 5.4 (also tried 5.3) to work on a
  Dell GX280 - which had exactly the same problem. In the end, I ended up
  using a serial link to get the install done and then got inetd setup so
  that I could troubleshoot over the network.
 
  This didn't help long term as the keyboard didn't work once I'd
  restarted after finishing the install. I stumbled on this script which
  seemed to do the trick:
 
  http://lists.freebsd.org/pipermail/freebsd-questions/2003-October/022771
  .html
 
  I used telnet to get at rc.conf - but there probably are other better
  ways.
 
  It seems a shame that Dell (and other manufacturers) are phasing out old
  'legacy' hardware like the good ol' PS/2 ports. It's just a good job
  that they didn't kill the serial port on this particular machine! (yet)
 
  that sux, indeed :-(
 
  Hope this helps,
  Stuart
 
 
  -Original Message-
  From: John Vaughan [mailto:[EMAIL PROTECTED]
  Sent: 21 June 2005 22:10
  To: freebsd-questions@freebsd.org
  Subject: 5.4 Installation Problems on Dell GX280 - Fatal trap 12
 
  I am trying to install FreeBSD 5.4 on a Dell GX280 and am getting a
  Fatal trap 12 supervisor write, page not present error.  From what
  I've read, this is an ACPI problem which I could disable if I had a
  PS2 port, but the GX280 doesn't have them.  Has anyone gotten 5.4 to
  run properly on a GX280 using option 7 to boot with usb keyboard?
 
  -John
 
  So long, I can say that I'm able to use gx280 on 5.4. I was able to
  install it from CD with usb keyboard using option 7 - boot with usb
  keyboard. No fatal trap 12. The only problem I had is that I wan't
  able to use HTT.
 
  (but it was my fault I think :-) and since it is considered to be
  harmful and it doesn't really boost up machine's performance, I'm
  not solving it.)
 
 --
 Best Regards,
 
  DanGer, ICQ: 261701668  | e-mail protecting at: http://www.2pu.net/
  http://danger.rulez.sk  | proxy list at:http://www.proxy-web.com/
  | FreeBSD - The Power to Serve!
 
 [ Fight Crime: Don't dial 911, shoot back!! ]
 
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Re: fatal trap 12

[Dan Langille]

On 4 May 2005 at 9:35, Lowell Gilbert wrote:

 Dan Langille [EMAIL PROTECTED] writes:
 
  Hi folks.  My gateway has been getting this a few times a day for the 
  past few days.
  
Fatal trap 12: page fault while in kernel mode
  
  More detail at http://www.langille.org/tmp/fatal-trap-12.txt
  
  Conversations to date indicate a hardware problem.  Any 
  recommendations/suggestions?
 
 http://www.freebsd.org/doc/en_US.ISO8859-1/books/faq/troubleshoot.html#TRAP-12-PANIC

Well is this interesting... Another fatal trap 12.  On new 
hardware.  The HDD is the only item left over from the old box.

I think I'll cvsup and build world to get up to the latest stable 
from FreeBSD 4.11-STABLE (BAST) #5: Sun Mar 13 06:49:51 EST 2005


-- 
Dan Langille : http://www.langille.org/
BSDCan - The Technical BSD Conference - http://www.bsdcan.org/
   NEW brochure available at http://www.bsdcan.org/2005/advocacy/

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Re: fatal trap 12

[Dan Langille]

On 4 May 2005 at 9:35, Lowell Gilbert wrote:

 Dan Langille [EMAIL PROTECTED] writes:
 
  Hi folks.  My gateway has been getting this a few times a day for the 
  past few days.
  
Fatal trap 12: page fault while in kernel mode
  
  More detail at http://www.langille.org/tmp/fatal-trap-12.txt
  
  Conversations to date indicate a hardware problem.  Any 
  recommendations/suggestions?
 
 http://www.freebsd.org/doc/en_US.ISO8859-1/books/faq/troubleshoot.html#TRAP-12-PANIC

FYI, the HDD was transferred into a new computer today. It's been 
running for just under 24 hours.  No problems.  So at least we know 
it wasn't the drive...  ;)

The old machine is still around.  If I get eager, I'll try debugging 
the issue.

thanks

-- 
Dan Langille : http://www.langille.org/
BSDCan - The Technical BSD Conference - http://www.bsdcan.org/
   NEW brochure available at http://www.bsdcan.org/2005/advocacy/

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Re: fatal trap 12

[Lowell Gilbert]

Dan Langille [EMAIL PROTECTED] writes:

 Hi folks.  My gateway has been getting this a few times a day for the 
 past few days.
 
   Fatal trap 12: page fault while in kernel mode
 
 More detail at http://www.langille.org/tmp/fatal-trap-12.txt
 
 Conversations to date indicate a hardware problem.  Any 
 recommendations/suggestions?

http://www.freebsd.org/doc/en_US.ISO8859-1/books/faq/troubleshoot.html#TRAP-12-PANIC
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Re: fatal trap 12

[Dan Langille]

On 4 May 2005 at 9:35, Lowell Gilbert wrote:

 Dan Langille [EMAIL PROTECTED] writes:
 
  Hi folks.  My gateway has been getting this a few times a day for the 
  past few days.
  
Fatal trap 12: page fault while in kernel mode
  
  More detail at http://www.langille.org/tmp/fatal-trap-12.txt
  
  Conversations to date indicate a hardware problem.  Any 
  recommendations/suggestions?
 
 http://www.freebsd.org/doc/en_US.ISO8859-1/books/faq/troubleshoot.html#TRAP-12-PANIC

Thanks!  Perhaps after BSDCan I can get time to do this.

cheers
-- 
Dan Langille : http://www.langille.org/
BSDCan - The Technical BSD Conference - http://www.bsdcan.org/
   NEW brochure available at http://www.bsdcan.org/2005/advocacy/

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fatal trap 12

[Dan Langille]

Hi folks.  My gateway has been getting this a few times a day for the 
past few days.

  Fatal trap 12: page fault while in kernel mode

More detail at http://www.langille.org/tmp/fatal-trap-12.txt

Conversations to date indicate a hardware problem.  Any 
recommendations/suggestions?
-- 
Dan Langille : http://www.langille.org/
BSDCan - The Technical BSD Conference - http://www.bsdcan.org/
   NEW brochure available at http://www.bsdcan.org/2005/advocacy/

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Installing FreeBSD - Fatal trap 12

[nicholaserho]

Hello, I am trying to install FreeBSD from floppies on a 486-DX-33, and with
the three floppies I made I cant get to the boot menu screen (with the devil)
but if I attempt to boot I get a Fatal trap 12: page fault while in kernal
mode error. The same error happens if I try safe mode except my system
restart. What can I do to fix this so I can install FreeBSD?

Exact Error Message:

Fatal Trap 12: page fault while in kernal mode
fault virtual address   = 0x409b341b
falut code  = supervisor read, page not present
instuction pointer  = 0x8:0xc066c17d
stack pointer   = 0x10:0xc1021c10
frame pointer   = 0x10:0xc1021c10
code segment= base 0x0, limit 0xf, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags= resume, IOPL = 0
current process = 0 ()
trap number = 12
panic: page fault
Uptime: 1s
-

Any advice that you could give me would be welcome. Thank you for your time. 
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Re: Installing FreeBSD - Fatal trap 12

[Kevin Kinsey]

nicholaserho wrote:
Hello, I am trying to install FreeBSD from floppies on a 486-DX-33, and with
the three floppies I made I cant get to the boot menu screen (with the devil)
but if I attempt to boot I get a Fatal trap 12: page fault while in kernal
mode error. The same error happens if I try safe mode except my system
restart. What can I do to fix this so I can install FreeBSD?
Exact Error Message:

Fatal Trap 12: page fault while in kernal mode
fault virtual address   = 0x409b341b
falut code  = supervisor read, page not present
instuction pointer  = 0x8:0xc066c17d
stack pointer   = 0x10:0xc1021c10
frame pointer   = 0x10:0xc1021c10
code segment= base 0x0, limit 0xf, type 0x1b
   = DPL 0, pres 1, def32 1, gran 1
processor eflags= resume, IOPL = 0
current process = 0 ()
trap number = 12
panic: page fault
Uptime: 1s
-
Any advice that you could give me would be welcome. Thank you for your time.
 

1.  Do you have more than 16 MB system RAM?  You need more than
16 to install versions of FreeBSD higher than 5.2.1.
2.  Try diabling PNPBIOS type options in the system's BIOS setup
tool.
3.  Make another set of floppies on new diskettes.
4.  Check the hardware compatibility list at www.freebsd.org against
the components in your system.
Hope one of these does some good.
Kevin Kinsey
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Fatal trap 12 0xeb902 SIS630 Chipset

[O'CARROLL Colman]

Ref :

http://lists.freebsd.org/pipermail/freebsd-questions/2004-May/046387.html

I am still having this problem in FreeBSD 5.2.1 with an SIS630 Chipset

The set hw.pcic.intr_path and set hw.pcic.irq commands worked in
versions 4.x

Does anyone know the equivalent commands for 5.x

Thanks in advance.

Colman.
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Fatal Trap 12 while booting up?

[Andy Holyer]

A colleague helped me by powering-down my FreeBSD 5.1-RELEASE server. 
This box doesn't boot with ACPI enabled (I think the hardware's too 
old), but now it goes through a bunch of devices and then comes up 
with:

unknown:PNP0c01 can't assign resources (port)
Timecounters tick every 10.000 msec
Fatal Trap 12: page fault while in kernel mode

And then tries to reboot. Over and over again. I seem to recall there 
was a known fix for this behaviour...

Thanks in advance for any advice.
---
Andy Holyer, Systems Administrator
Hedgehog Broadband, 11 Marlborough Place Brighton BN1 1UB
08451 260895 x 241
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Fatal Trap 12: page fault while in kernel mode

[Jonathan T. Sage]

Attempting to do hardware upgrades.  alas, since I dropped in a new 
motherboard / processor combo, I get (hand transposed):

Fatal trap 12: page fault while in kernel mode
fault virtual address   = 0x5e
fault code  = supervisor write, page no present
instruction pointer = 0x8:0xc062d6e1
stack pointer   = 0x10:0xe0f03b7c
frame pointer   = 0x10:0xe0f03b7c
code segment= base 0x0, limit 0xf, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags= interrupt enabled, resume, IOPL = 0
current process = 45 (syncer)
trap number = 12
panic: page fault
this is not a debug kernel.  In fact, this latest one occurred while I 
was attempting to build said debug kernel.  Single user mode, 5.x as of 
right around 5.3-BETA2 tag, may have been close to 5.3-BETA3.

Any more info I can provide, gonna keep attempting to build the debug 
kernel, hope that one of these attempts it will finish before the panic 
(seems to be happening withing 15min of boot)

I'm just totally dead in the water at this point..  ideas please?
thanks ~j
--
Jonathan T. Sage
Theatrical Lighting / Set Designer
Professional Web Design
He said he likes me, but he's not in-like with me.- Connie, King of 
the Hill

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[HTTP://design.JTSage.com]
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Re: Installation 4-10 Stable - Fatal Trap 12

[Matthew Seaman]

On Mon, Jul 12, 2004 at 07:34:19PM +0100, Kenneth Christie wrote:
 I cannot get past the attached message when trying to install Free BSD 4.10 stable. 
 Can you give me an indication as to what the problem might be ? (I am totally new to 
 Unix, and was wanting to install Free BSD to learn about it. I have searched the 
 FAQs but without coming across a similar message, although one did suggest disabling 
 ACPI during the installation. How would I do this if this is what I need to do ?).

Please enhance your karma by hitting the return key every 72 or so
characters.

Sorry -- you attachment was eaten by the attachment eater.  Only
certain MIME types are permitted on the FreeBSD mailing lists.

However I can say confidently that trying to disable ACPI on a 4.10
install won't work.  There isn't any ACPI support turned on by default
in 4.x: all of the advice about turning off ACPI applies to 5.x, and
in that case, the installation procedure is a bit different and gives
you that choice fairly early on.

Fatal Trap 12 means non-existent system call invoked.  Seeing it
while attempting to boot a kernel either means that the kernel is
broken, or that you have hardware problems.  In the first instance,
you could have a corrupt kernel image on your installation media.  If
you're trying to install from floppy disks, throw away any disks
you've been using and try again with some nice new fresh from the
manufacturer floppies.  Otherwise, if you're using one of the .iso
images, try checking the md5 checksum to make sure everything came
down OK.

Knowing as little about Windows as I do, I have no reliable idea about
how to do that.  However a little googling pulled up this page, which
looks like just the ticket:

http://www.fastsum.com/

If on the other hand, it's a hardware problem then you'll have to work
out if your system is faulty.  That's something you tend to learn how
to deal with through experience and not something easily described in
a simple e-mail like this.  Of course, it could be that you have
hardware which simply isn't supported under FreeBSD 4.10 -- most of
the time FreeBSD will simply igore kit it doesn't know how to drive,
but if it's something important like the disk controller all bets are
off.  Try comparing your system against the lists of devices in the
4.10 Hardware Notes:

http://www.freebsd.org/releases/4.10R/hardware-i386.html

Also search the FreeBSD mailing lists for other mentions of your
particular brand of system (or of the motherboard in your system) --
some makes have specific settings that need to be in the BIOS before
they will work with FreeBSD.  A good interface for searching FreeBSD
mailing lists is available at:

http://freebsd.rambler.ru/

Cheers,

Matthew

-- 
Dr Matthew J Seaman MA, D.Phil.   26 The Paddocks
  Savill Way
PGP: http://www.infracaninophile.co.uk/pgpkey Marlow
Tel: +44 1628 476614  Bucks., SL7 1TH UK


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Fatal trap 12: page fault while in kernel mode

[wrivera]

I recently installed freebsd 5.2.1, which seemed to go well. But lately my 
system has been locking up and rebooting. I have included the error 
that is displayed each time my system locks.

Jun 29 20:37:09 candice syslogd: kernel boot file is /boot/kernel/kernel
Jun 29 20:37:09 candice kernel: 
Jun 29 20:37:09 candice kernel: 
Jun 29 20:37:09 candice kernel: Fatal trap 12: page fault while in kernel mode
Jun 29 20:37:09 candice kernel: cpuid = 0; apic id = 00
Jun 29 20:37:09 candice kernel: fault virtual address        = 0xc5f12321
Jun 29 20:37:09 candice kernel: fault code                = supervisor read, 
page not present
Jun 29 20:37:09 candice kernel: instruction pointer        = 0x8:0xc0694770
Jun 29 20:37:09 candice kernel: stack pointer                = 0x10:0xddd77a1c
Jun 29 20:37:09 candice kernel: frame pointer                = 0x10:0xddd77a28
Jun 29 20:37:09 candice kernel: code segment                = base 0x0, limit 
0xf, type 
0x1b
Jun 29 20:37:09 candice kernel: = DPL 0, pres 1, def32 1, gran 1
Jun 29 20:37:09 candice kernel: processor eflags        = interrupt enabled, 
resume, 
IOPL = 0
Jun 29 20:37:09 candice kernel: current process                = 21866 
(devinfo)
Jun 29 20:37:09 candice kernel: trap number                = 12
Jun 29 20:37:09 candice kernel: panic: page fault
Jun 29 20:37:09 candice kernel: cpuid = 0; 
Jun 29 20:37:09 candice kernel: 
Jun 29 20:37:09 candice kernel: syncing disks, buffers remaining... 3428 3428 
3427 3427 3427 3427 3427 3427 3427 3427 3427 3427 3427 3427 3427 3427 3427 342
7 
3427 3427 3427 3427 

Does anyone have an idea why this is happening?
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Fatal trap 12: page fault while in kernel mode

[fred]

Hi,



Recently my freebsd machine always dead, and the below error messages are gotten when 
reboot the machin, could anyone help me?



Jun 24 09:09:02 pearl kernel: Fatal trap 12: page fault while in kernel mode
Jun 24 09:09:02 pearl kernel: fault virtual address = 0xe852eba9
Jun 24 09:09:02 pearl kernel: fault code= supervisor read, page not 
present
Jun 24 09:09:02 pearl kernel: instruction pointer   = 0x8:0xc028dd4c
Jun 24 09:09:02 pearl kernel: stack pointer = 0x10:0xda7f0b20
Jun 24 09:09:02 pearl kernel: frame pointer = 0x10:0xda7f0b3c
Jun 24 09:09:02 pearl kernel: code segment  = base 0x0, limit 0xf, 
type 0x1b
Jun 24 09:09:02 pearl kernel: = DPL 0, pres 1, def32 1, gran 1
Jun 24 09:09:02 pearl kernel: processor eflags  = interrupt enabled, resume, IOPL = 0

The configuration of my machine is:

FreeBSD  5.0-DP1 FreeBSD 5.0-DP1 #0: Wed Aug 27 07:07:21 CST 2003 
root@:/usr/src/sys/i386/compile/PEARL  i386

Thanks,
Fred Zhang

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Re: Fatal trap 12: page fault while in kernel mode

[Kris Kennaway]

On Wed, Jun 23, 2004 at 09:52:48PM -0400, fred wrote:
 Hi,
 
 
 
 Recently my freebsd machine always dead, and the below error messages are gotten 
 when reboot the machin, could anyone help me?

Start by updating to a modern release; there have been literally
thousands of bugs fixed since 5.0-DP1.

 FreeBSD 5.0-DP1 FreeBSD 5.0-DP1 #0: Wed Aug 27 07:07:21 CST 2003
root@:/usr/src/sys/i386/compile/PEARL i386

In general, you need to provide more information than this when you
run into a kernel panic.  See the chapter on kernel debugging in the
developer's handbook for full details.

Kris

P.S. Please wrap your lines at 70 characters so your emails may be
easily read.


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Re: fatal trap 12

[Matthew Seaman]

On Mon, Apr 05, 2004 at 06:24:12PM -0700, [EMAIL PROTECTED] wrote:
 Were installing 5.2 from discs we purchased from BSD
 Mall. The system starts to load, The daeman page shows
 up with the boot options. What ever we pick it ends up
 showing the Error message: Fatal trap 12: page fault
 while in Kernel mode.
 any suggestions?

See:

http://www.freebsd.org/doc/en_US.ISO8859-1/books/faq/troubleshoot.html#SIGNAL11

Yes -- I know that your system died with Signal 12 and that question
is talking about Signal 11, but it is applicable.  Suspect your
hardware first.  Do what you can to rule out hardware problems before
you do anything else.

You might want to try booting the install media in the 'No ACPI' mode.
If you're trying to install on a multi-processor nForce2 board, you
might need to disable apic and smp as well -- see

http://lists.freebsd.org/pipermail/freebsd-current/2004-March/024070.html

What ever you do, aim to upgrade to 5.2.1-RELEASE-pN as soon as
possible: 5.2 had some nasty bugs, which is why 5.2.1 was released.

Cheers,

Matthew

-- 
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  Savill Way
PGP: http://www.infracaninophile.co.uk/pgpkey Marlow
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Fatal trap 12: page fault while in kernel mode HELP ?!?

[Brent Bailey]

I have a fresh install if FBSD 4.9 rc2 with bge0 Netgear 302T( gigabit
ethernet interface)

the machine runs fine when left alone...however whenever i try to do large
file transfers across my LAN to the BSD box ..i get an error like:

Fatal trap 12: page fault while in kernel mode

this seems to only happen when trasnferring files across the LAN to the
machine ..anyone have any thoughts

any help is greatly appreciated

-- 
Brent Bailey


-- 



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fatal trap 12

[wjbaker]

Were installing 5.2 from discs we purchased from BSD
Mall. The system starts to load, The daeman page shows
up with the boot options. What ever we pick it ends up
showing the Error message: Fatal trap 12: page fault
while in Kernel mode.
any suggestions?
thanx
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fatal trap 12

[Marco]

Hello, my name is Marco Giardini. My problem is the following one: When the
operating system initiates leaves mensage to me error that makes me
reinitiate the maquina. mensage that leaves is fatal trap 12.

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Re: fatal trap 12

[Matthew Seaman]

On Mon, Mar 01, 2004 at 01:11:49PM -0300, Marco wrote:
 Hello, my name is Marco Giardini. My problem is the following one: When the
 operating system initiates leaves mensage to me error that makes me
 reinitiate the maquina. mensage that leaves is fatal trap 12.

http://www.freebsd.org/doc/es_ES.ISO8859-1/books/faq/troubleshoot.html#Q4.9.

Fatal trap 12 happens for much the same reasons as Signal 11.

Try running this to see if you can confirm hardware errors.

Cheers,

Matthew 

-- 
Dr Matthew J Seaman MA, D.Phil.   26 The Paddocks
  Savill Way
PGP: http://www.infracaninophile.co.uk/pgpkey Marlow
Tel: +44 1628 476614  Bucks., SL7 1TH UK


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Re: fatal trap 12

[Matthew Seaman]

On Tue, Mar 02, 2004 at 02:06:25PM +, Matthew Seaman wrote:
 On Mon, Mar 01, 2004 at 01:11:49PM -0300, Marco wrote:
  Hello, my name is Marco Giardini. My problem is the following one: When the
  operating system initiates leaves mensage to me error that makes me
  reinitiate the maquina. mensage that leaves is fatal trap 12.
 
 http://www.freebsd.org/doc/es_ES.ISO8859-1/books/faq/troubleshoot.html#Q4.9.
 
 Fatal trap 12 happens for much the same reasons as Signal 11.
 
 Try running this to see if you can confirm hardware errors.

Oops.  I meant to add: http://www.memtest86.com/

Cheers,

Matthew

-- 
Dr Matthew J Seaman MA, D.Phil.   26 The Paddocks
  Savill Way
PGP: http://www.infracaninophile.co.uk/pgpkey Marlow
Tel: +44 1628 476614  Bucks., SL7 1TH UK


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Fatal trap 12

[Daren Desjardins]

Over the weekend my bsd 4.9 apparantly rebooted for kicks by itself,
reporting a fatal trap 12 in messages. I looked through the list history
and found some posts indicating it may be a memory issue. Im hoping
someone can confirm/deny this for me so I know how to start tracking
this down. The machine had an uptime of over 20days prior to reboot, it
happened at 3am which is shortly after the daily cronjob is suppose to
run. I never recieved my daily report that night either.


messages
Jan 16 15:28:24 lithium /kernel: pid 97521 (mysqlcc), uid 1000: exited
on signal 11 (core dumped)
Jan 17 03:06:06 lithium /kernel:
Jan 17 03:06:06 lithium /kernel:
Jan 17 03:06:06 lithium /kernel: Fatal trap 12: page fault while in
kernel mode
Jan 17 03:06:06 lithium /kernel: fault virtual address  = 0x24
Jan 17 03:06:06 lithium /kernel: fault code = supervisor
read, page not present
Jan 17 03:06:06 lithium /kernel: instruction pointer= 0x8:0xc029b52b
Jan 17 03:06:06 lithium /kernel: stack pointer  =
0x10:0xe29ccf14
Jan 17 03:06:06 lithium /kernel: frame pointer  =
0x10:0xe29ccf84
Jan 17 03:06:06 lithium /kernel: code segment   = base 0x0,
limit 0xf, type 0x1b
Jan 17 03:06:06 lithium /kernel: = DPL 0, pres 1, def32 1, gran 1
Jan 17 03:06:06 lithium /kernel: processor eflags   = interrupt
enabled, resume, IOPL = 0
Jan 17 03:06:06 lithium /kernel: current process= 3
(pagedaemon)
Jan 17 03:06:06 lithium /kernel: interrupt mask = none
Jan 17 03:06:06 lithium /kernel: trap number= 12
Jan 17 03:06:06 lithium /kernel: panic: page fault
Jan 17 03:06:06 lithium /kernel:
Jan 17 03:06:06 lithium /kernel: syncing disks... 62 1 1 1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1 1 1
Jan 17 03:06:06 lithium /kernel: Copyright (c) 1992-2003 The FreeBSD
Project.
Jan 17 03:06:06 lithium /kernel: Copyright (c) 1979, 1980, 1983, 1986,
1988, 1989, 1991, 1992, 1993, 1994
Jan 17 03:06:06 lithium /kernel: The Regents of the University of
California. All rights reserved.
Jan 17 03:06:06 lithium /kernel: FreeBSD 4.9-RELEASE #0: Thu Dec 18
16:38:31 EST 2003


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Re: Fatal trap 12

[Alex Zbyslaw]

Daren Desjardins wrote:
Over the weekend my bsd 4.9 apparantly rebooted for kicks by itself,
reporting a fatal trap 12 in messages. I looked through the list history
and found some posts indicating it may be a memory issue. 
If you suspect a memory problem, then try getting your BIOS to find it. 
Reboot your machine then press whatever key you need to get into your BIOS.

Look for an option which turns on extended memory checking on boot (or which 
turns off quick memory checking), turn on extended check, save the setting, 
reboot and watch the BIOS cycle through endless memory checks. If it finds a 
problem it'll tell you.

If it does, then you'll have to try removing memory chips one-by-one to try to 
find the one at fault.  (Note that  motherboards often (always?) require the 
memory chips to be inserted sequentially.  I.e. if you take out the first 
chip, you have to move all the others up -- you can't just leave the first 
slot empty).  Make sure to use some kind of anti-static protection when 
handling memory chips, otherwise you really will have a memory problem.

--Alex
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Installation problems-Fatal trap 12 error

[Craig Caughlin]

Hi folks,
I'm brand new to FreeBSD (but I've worked with Unix and Linux a little). I'm
trying to install FreeBSD, but I constantly get this Fatal Trap 12: page
fault while in kernel mode error. I don't know where to begin to try and
solve this so I can proceed with my install. Suggestions??? Thank you.

My computer is a Dell 600SC Poweredge Server, Promise Ultra disk controller,
Primary HD: WD 160 GB, Secondary HD Hitachi 40Gb, 512 Mb RAM.

Thank you,
Craig

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Re: Installation problems-Fatal trap 12 error

[Matthew Seaman]

On Tue, Nov 18, 2003 at 07:16:29AM -0800, Craig Caughlin wrote:

 I'm brand new to FreeBSD (but I've worked with Unix and Linux a little). I'm
 trying to install FreeBSD, but I constantly get this Fatal Trap 12: page
 fault while in kernel mode error. I don't know where to begin to try and
 solve this so I can proceed with my install. Suggestions??? Thank you.
 
 My computer is a Dell 600SC Poweredge Server, Promise Ultra disk controller,
 Primary HD: WD 160 GB, Secondary HD Hitachi 40Gb, 512 Mb RAM.

That's fairly often a sign of hardware problems.  Does the system run
correctly under other OSes?  Can you run a few cycles of memtest86
(http://www.memtest86.com/) without any errors coming up?

There is also:

http://lists.freebsd.org/pipermail/freebsd-hackers/2003-July/002101.html
http://lists.freebsd.org/pipermail/freebsd-current/2003-April/000621.html

and the audit trail in:

http://www.freebsd.org/cgi/query-pr.cgi?pr=kern%2F54549

Looks like several people are having similar problems...

You don't say which version of FreeBSD you're trying to install.  If
you're a beginner with FreeBSD, then I'd strongly advise you to start
by installing 4.9-RELEASE -- remember that the 5.x versions are still 
New Technology releases and not yet suitable for production use.

Cheers,

Matthew

-- 
Dr Matthew J Seaman MA, D.Phil.   26 The Paddocks
  Savill Way
PGP: http://www.infracaninophile.co.uk/pgpkey Marlow
Tel: +44 1628 476614  Bucks., SL7 1TH UK


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Description: PGP signature

Fatal trap 12: page trap while in kernel mode

[Chris Hastie]

I have a nasty feeling that this may be a hardware problem rather than
FreeBSD, but any pointers appreciated.

Over the last couple of days, with no changes in configuration, one of
my boxes has started to die with increasing frequency, throwing up
errors like this:

Fatal trap 12: Page trap while in kernel mode
Fault virtual address   = 0x2c2
fault code  = supervisor writ, page not present
instruction pointer = 0x8:0xc0272faf
stack pointer   = 0x10:0xd54e8cf4
frame pointer   = 0x10:0xd54e8d0c
code segment= bas 0x0, limit 0xff, type 0x1b
= DPL0, pres1, def 32 1, gran1
processor eflags= interrupt enabled, resume, IOPL = 0
current process = 15 (random)
trap number = 12
panic: page fault
syncing disks, buffers remaining... panic: free locked buf
Terminate ACPI

Although it announces that it is about to reboot, it just goes to a
blank console in which even the reset button has no effect (actually it
does cause the HDD LED to flicker for a few seconds).

Increasingly, cycling the power goes to the same foreboding blank
monitor without even a murmur from the BIOS, let alone an attempt to
boot FreeBSD.

All the hardware is around two months old - an MSI KM2M motherboard with
AMD Athlon 2200, 512MB RAM and 2 x 60 GB HDD in software RAID 1 using
Vinum. FreeBSD is 5.1 RELEASE.
-- 
Chris Hastie
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Re: Fatal trap 12: page trap while in kernel mode

[Pranav A. Desai]

Hi!

I had this issue not long ago and it turned out to be a hardware issue.
The memory was bad. I was able to recreate this by running some command
like:
find / -name file_that_doesnt_exist -print
(just so that it will go thru the whole FS).

It would puke almost instantly. We replaced the memory and
it never happened again.

hope this helps

-pranav

***
Pranav A. Desai


On Fri, 7 Nov 2003, Chris Hastie wrote:

 I have a nasty feeling that this may be a hardware problem rather than
 FreeBSD, but any pointers appreciated.

 Over the last couple of days, with no changes in configuration, one of
 my boxes has started to die with increasing frequency, throwing up
 errors like this:

 Fatal trap 12: Page trap while in kernel mode
 Fault virtual address   = 0x2c2
 fault code  = supervisor writ, page not present
 instruction pointer = 0x8:0xc0272faf
 stack pointer   = 0x10:0xd54e8cf4
 frame pointer   = 0x10:0xd54e8d0c
 code segment= bas 0x0, limit 0xff, type 0x1b
 = DPL0, pres1, def 32 1, gran1
 processor eflags= interrupt enabled, resume, IOPL = 0
 current process = 15 (random)
 trap number = 12
 panic: page fault
 syncing disks, buffers remaining... panic: free locked buf
 Terminate ACPI

 Although it announces that it is about to reboot, it just goes to a
 blank console in which even the reset button has no effect (actually it
 does cause the HDD LED to flicker for a few seconds).

 Increasingly, cycling the power goes to the same foreboding blank
 monitor without even a murmur from the BIOS, let alone an attempt to
 boot FreeBSD.

 All the hardware is around two months old - an MSI KM2M motherboard with
 AMD Athlon 2200, 512MB RAM and 2 x 60 GB HDD in software RAID 1 using
 Vinum. FreeBSD is 5.1 RELEASE.
 --
 Chris Hastie
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Fatal trap 12

[Chris Readle]

Hi all,

New to FBSD, and in the process of moving my Linux/Windows PC to
FBSD/Windows.

I got two spontaneous reboots last night (the first times it happened) and
I got fatal trap 12s in /var/log/messages each time.  I wasn't doing
anything too heavy, just a make index  make readmes on my ports,
listening to some music through XMMS and browsing the web via Mozilla.

I searched the archives and the FAQ.  I haven't built a debugging kernel
yet, but I thought I would post the info I have in the hopes that someone
might be able to help.

I did do an nm - n on the kernel, however.

uname -a:
FreeBSD creadle.oc.cox.net 4.8-RELEASE-p13 FreeBSD 4.8-RELEASE-p13 #4: Wed
Oct 15 08:55:21 PDT 2003
[EMAIL PROTECTED]:/usr/obj/usr/src/sys/CREADLE  i386

/var/log/messages:
Oct 14 21:45:23 creadle /kernel: Fatal trap 12: page fault while in kernel
mode
Oct 14 21:45:23 creadle /kernel: fault virtual address  = 0xbfca02c8
Oct 14 21:45:23 creadle /kernel: fault code = supervisor read,
page not present
Oct 14 21:45:23 creadle /kernel: instruction pointer= 0x8:0xc028fe83
Oct 14 21:45:23 creadle /kernel: stack pointer  = 0x10:0xd2cfbcf8
Oct 14 21:45:23 creadle /kernel: frame pointer  = 0x10:0xd2cfbd08
Oct 14 21:45:23 creadle /kernel: code segment   = base 0x0, limit
0xf, type 0x1b
Oct 14 21:45:23 creadle /kernel: = DPL 0, pres 1, def32 1, gran 1
Oct 14 21:45:23 creadle /kernel: processor eflags   = interrupt
enabled, resume, IOPL = 0
Oct 14 21:45:23 creadle /kernel: current process= 73961
(sh)
Oct 14 21:45:23 creadle /kernel: interrupt mask = net tty bio cam
Oct 14 21:45:23 creadle /kernel: trap number= 12
Oct 14 21:45:23 creadle /kernel: panic: page fault

nm -n:
creadle# nm -n /kernel | grep c028fe8
c028fe88 T pmap_ts_referenced
creadle# nm -n /kernel | grep c028fe
c028fe7c T pmap_phys_address
c028fe88 T pmap_ts_referenced

I did two because I thought it was odd that the first one came up with a
higher address than the actual pointer.

Any good suggestions?

chris


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Re: Fatal trap 12

[Chris Readle]

Got another one this morning.  This time the only thing running was the
make index  make readmes, and XFree86.

Actually, they both may have finished by then, I started them up then had
to go to sleep, so I'm not entirely sure how far along it got in the
process.  I do know it was past the index and working on the readmes,
though.

/var/log/messages:
Oct 16 01:26:37 creadle /kernel: Fatal trap 12: page fault while in kernel
mode
Oct 16 01:26:37 creadle /kernel: fault virtual address  = 0xfd9b
Oct 16 01:26:37 creadle /kernel: fault code = supervisor read,
page not present
Oct 16 01:26:37 creadle /kernel: instruction pointer= 0x8:0xc022c1c8
Oct 16 01:26:37 creadle /kernel: stack pointer  = 0x10:0xd2e2ee4c
Oct 16 01:26:37 creadle /kernel: frame pointer  = 0x10:0xd2e2ee54
Oct 16 01:26:37 creadle /kernel: code segment   = base 0x0, limit
0xf, type 0x1b
Oct 16 01:26:37 creadle /kernel: = DPL 0, pres 1, def32 1, gran 1
Oct 16 01:26:37 creadle /kernel: processor eflags   = interrupt
enabled, resume, IOPL = 0
Oct 16 01:26:37 creadle /kernel: current process= 53504
(sh)
Oct 16 01:26:37 creadle /kernel: interrupt mask = none
Oct 16 01:26:37 creadle /kernel: trap number= 12
Oct 16 01:26:37 creadle /kernel: panic: page fault
Oct 16 01:26:37 creadle /kernel:

nm -n:
[EMAIL PROTECTED] chris]$ nm -n /kernel | grep c022c1c8
[EMAIL PROTECTED] chris]$ nm -n /kernel | grep c022c1c
[EMAIL PROTECTED] chris]$ nm -n /kernel | grep c022c1
c022c19c T vm_page_lookup
c022c1f8 T vm_page_rename

chris

--- Chris Readle [EMAIL PROTECTED] wrote:
 Hi all,
 
 New to FBSD, and in the process of moving my Linux/Windows PC to
 FBSD/Windows.
 
 I got two spontaneous reboots last night (the first times it happened)
 and
 I got fatal trap 12s in /var/log/messages each time.  I wasn't doing
 anything too heavy, just a make index  make readmes on my ports,
 listening to some music through XMMS and browsing the web via Mozilla.
 
 I searched the archives and the FAQ.  I haven't built a debugging kernel
 yet, but I thought I would post the info I have in the hopes that
 someone
 might be able to help.
 
 I did do an nm - n on the kernel, however.
 
 uname -a:
 FreeBSD creadle.oc.cox.net 4.8-RELEASE-p13 FreeBSD 4.8-RELEASE-p13 #4:
 Wed
 Oct 15 08:55:21 PDT 2003
 [EMAIL PROTECTED]:/usr/obj/usr/src/sys/CREADLE  i386
 
 /var/log/messages:
 Oct 14 21:45:23 creadle /kernel: Fatal trap 12: page fault while in
 kernel
 mode
 Oct 14 21:45:23 creadle /kernel: fault virtual address  = 0xbfca02c8
 Oct 14 21:45:23 creadle /kernel: fault code = supervisor
 read,
 page not present
 Oct 14 21:45:23 creadle /kernel: instruction pointer= 0x8:0xc028fe83
 Oct 14 21:45:23 creadle /kernel: stack pointer  =
 0x10:0xd2cfbcf8
 Oct 14 21:45:23 creadle /kernel: frame pointer  =
 0x10:0xd2cfbd08
 Oct 14 21:45:23 creadle /kernel: code segment   = base 0x0,
 limit
 0xf, type 0x1b
 Oct 14 21:45:23 creadle /kernel: = DPL 0, pres 1, def32 1, gran 1
 Oct 14 21:45:23 creadle /kernel: processor eflags   = interrupt
 enabled, resume, IOPL = 0
 Oct 14 21:45:23 creadle /kernel: current process= 73961
 (sh)
 Oct 14 21:45:23 creadle /kernel: interrupt mask = net tty bio
 cam
 Oct 14 21:45:23 creadle /kernel: trap number= 12
 Oct 14 21:45:23 creadle /kernel: panic: page fault
 
 nm -n:
 creadle# nm -n /kernel | grep c028fe8
 c028fe88 T pmap_ts_referenced
 creadle# nm -n /kernel | grep c028fe
 c028fe7c T pmap_phys_address
 c028fe88 T pmap_ts_referenced
 
 I did two because I thought it was odd that the first one came up with a
 higher address than the actual pointer.
 
 Any good suggestions?
 
 chris
 
 
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Re: Fatal trap 12

[Mike Tancsa]

There are a few VM fixes that have gone into RELENG_4, thats where your 
kernel is really panicing.  If its an option for you, I would try RELENG_4 
rather than the security branch.

---Mike

At 09:48 AM 16/10/2003, Chris Readle wrote:
Got another one this morning.  This time the only thing running was the
make index  make readmes, and XFree86.
Actually, they both may have finished by then, I started them up then had
to go to sleep, so I'm not entirely sure how far along it got in the
process.  I do know it was past the index and working on the readmes,
though.
/var/log/messages:
Oct 16 01:26:37 creadle /kernel: Fatal trap 12: page fault while in kernel
mode
Oct 16 01:26:37 creadle /kernel: fault virtual address  = 0xfd9b
Oct 16 01:26:37 creadle /kernel: fault code = supervisor read,
page not present
Oct 16 01:26:37 creadle /kernel: instruction pointer= 0x8:0xc022c1c8
Oct 16 01:26:37 creadle /kernel: stack pointer  = 0x10:0xd2e2ee4c
Oct 16 01:26:37 creadle /kernel: frame pointer  = 0x10:0xd2e2ee54
Oct 16 01:26:37 creadle /kernel: code segment   = base 0x0, limit
0xf, type 0x1b
Oct 16 01:26:37 creadle /kernel: = DPL 0, pres 1, def32 1, gran 1
Oct 16 01:26:37 creadle /kernel: processor eflags   = interrupt
enabled, resume, IOPL = 0
Oct 16 01:26:37 creadle /kernel: current process= 53504
(sh)
Oct 16 01:26:37 creadle /kernel: interrupt mask = none
Oct 16 01:26:37 creadle /kernel: trap number= 12
Oct 16 01:26:37 creadle /kernel: panic: page fault
Oct 16 01:26:37 creadle /kernel:
nm -n:
[EMAIL PROTECTED] chris]$ nm -n /kernel | grep c022c1c8
[EMAIL PROTECTED] chris]$ nm -n /kernel | grep c022c1c
[EMAIL PROTECTED] chris]$ nm -n /kernel | grep c022c1
c022c19c T vm_page_lookup
c022c1f8 T vm_page_rename
chris

--- Chris Readle [EMAIL PROTECTED] wrote:
 Hi all,

 New to FBSD, and in the process of moving my Linux/Windows PC to
 FBSD/Windows.

 I got two spontaneous reboots last night (the first times it happened)
 and
 I got fatal trap 12s in /var/log/messages each time.  I wasn't doing
 anything too heavy, just a make index  make readmes on my ports,
 listening to some music through XMMS and browsing the web via Mozilla.

 I searched the archives and the FAQ.  I haven't built a debugging kernel
 yet, but I thought I would post the info I have in the hopes that
 someone
 might be able to help.

 I did do an nm - n on the kernel, however.

 uname -a:
 FreeBSD creadle.oc.cox.net 4.8-RELEASE-p13 FreeBSD 4.8-RELEASE-p13 #4:
 Wed
 Oct 15 08:55:21 PDT 2003
 [EMAIL PROTECTED]:/usr/obj/usr/src/sys/CREADLE  i386

 /var/log/messages:
 Oct 14 21:45:23 creadle /kernel: Fatal trap 12: page fault while in
 kernel
 mode
 Oct 14 21:45:23 creadle /kernel: fault virtual address  = 0xbfca02c8
 Oct 14 21:45:23 creadle /kernel: fault code = supervisor
 read,
 page not present
 Oct 14 21:45:23 creadle /kernel: instruction pointer= 0x8:0xc028fe83
 Oct 14 21:45:23 creadle /kernel: stack pointer  =
 0x10:0xd2cfbcf8
 Oct 14 21:45:23 creadle /kernel: frame pointer  =
 0x10:0xd2cfbd08
 Oct 14 21:45:23 creadle /kernel: code segment   = base 0x0,
 limit
 0xf, type 0x1b
 Oct 14 21:45:23 creadle /kernel: = DPL 0, pres 1, def32 1, gran 1
 Oct 14 21:45:23 creadle /kernel: processor eflags   = interrupt
 enabled, resume, IOPL = 0
 Oct 14 21:45:23 creadle /kernel: current process= 73961
 (sh)
 Oct 14 21:45:23 creadle /kernel: interrupt mask = net tty bio
 cam
 Oct 14 21:45:23 creadle /kernel: trap number= 12
 Oct 14 21:45:23 creadle /kernel: panic: page fault

 nm -n:
 creadle# nm -n /kernel | grep c028fe8
 c028fe88 T pmap_ts_referenced
 creadle# nm -n /kernel | grep c028fe
 c028fe7c T pmap_phys_address
 c028fe88 T pmap_ts_referenced

 I did two because I thought it was odd that the first one came up with a
 higher address than the actual pointer.

 Any good suggestions?

 chris


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Re: Fatal trap 12

[Chris Readle]

I briefly tried RELENG_4 back when it was 4.9 RC1, and was getting hard
locks when I exited X.  Unfortunately, at the time I didn't really have
time to troubleshoot it, so I rolled back to 4.8, which was only giving me
Sig 11's when exiting KDE apps like konsole  knode. :)

Perhaps this weekend, I'll try cvsuping back to -STABLE and see if that
helps.  On that subject, has anyone seen any issue with -STABLE where it
just goes to a black screen on exiting X?  As I recall, my nvidia driver
also wrote an error in the X log along the lines of Unable to destroy
surface or something similar.

chris

--- Mike Tancsa [EMAIL PROTECTED] wrote:
 
 There are a few VM fixes that have gone into RELENG_4, thats where your 
 kernel is really panicing.  If its an option for you, I would try
 RELENG_4 
 rather than the security branch.
 
  ---Mike
 
 At 09:48 AM 16/10/2003, Chris Readle wrote:
 Got another one this morning.  This time the only thing running was the
 make index  make readmes, and XFree86.
 
 Actually, they both may have finished by then, I started them up then
 had
 to go to sleep, so I'm not entirely sure how far along it got in the
 process.  I do know it was past the index and working on the readmes,
 though.
 
 /var/log/messages:
 Oct 16 01:26:37 creadle /kernel: Fatal trap 12: page fault while in
 kernel
 mode
 Oct 16 01:26:37 creadle /kernel: fault virtual address  = 0xfd9b
 Oct 16 01:26:37 creadle /kernel: fault code = supervisor
 read,
 page not present
 Oct 16 01:26:37 creadle /kernel: instruction pointer=
 0x8:0xc022c1c8
 Oct 16 01:26:37 creadle /kernel: stack pointer  =
 0x10:0xd2e2ee4c
 Oct 16 01:26:37 creadle /kernel: frame pointer  =
 0x10:0xd2e2ee54
 Oct 16 01:26:37 creadle /kernel: code segment   = base 0x0,
 limit
 0xf, type 0x1b
 Oct 16 01:26:37 creadle /kernel: = DPL 0, pres 1, def32 1, gran 1
 Oct 16 01:26:37 creadle /kernel: processor eflags   = interrupt
 enabled, resume, IOPL = 0
 Oct 16 01:26:37 creadle /kernel: current process= 53504
 (sh)
 Oct 16 01:26:37 creadle /kernel: interrupt mask = none
 Oct 16 01:26:37 creadle /kernel: trap number= 12
 Oct 16 01:26:37 creadle /kernel: panic: page fault
 Oct 16 01:26:37 creadle /kernel:
 
 nm -n:
 [EMAIL PROTECTED] chris]$ nm -n /kernel | grep c022c1c8
 [EMAIL PROTECTED] chris]$ nm -n /kernel | grep c022c1c
 [EMAIL PROTECTED] chris]$ nm -n /kernel | grep c022c1
 c022c19c T vm_page_lookup
 c022c1f8 T vm_page_rename
 
 chris
 
 --- Chris Readle [EMAIL PROTECTED] wrote:
   Hi all,
  
   New to FBSD, and in the process of moving my Linux/Windows PC to
   FBSD/Windows.
  
   I got two spontaneous reboots last night (the first times it
 happened)
   and
   I got fatal trap 12s in /var/log/messages each time.  I wasn't doing
   anything too heavy, just a make index  make readmes on my ports,
   listening to some music through XMMS and browsing the web via
 Mozilla.
  
   I searched the archives and the FAQ.  I haven't built a debugging
 kernel
   yet, but I thought I would post the info I have in the hopes that
   someone
   might be able to help.
  
   I did do an nm - n on the kernel, however.
  
   uname -a:
   FreeBSD creadle.oc.cox.net 4.8-RELEASE-p13 FreeBSD 4.8-RELEASE-p13
 #4:
   Wed
   Oct 15 08:55:21 PDT 2003
   [EMAIL PROTECTED]:/usr/obj/usr/src/sys/CREADLE  i386
  
   /var/log/messages:
   Oct 14 21:45:23 creadle /kernel: Fatal trap 12: page fault while in
   kernel
   mode
   Oct 14 21:45:23 creadle /kernel: fault virtual address  = 0xbfca02c8
   Oct 14 21:45:23 creadle /kernel: fault code = supervisor
   read,
   page not present
   Oct 14 21:45:23 creadle /kernel: instruction pointer=
 0x8:0xc028fe83
   Oct 14 21:45:23 creadle /kernel: stack pointer  =
   0x10:0xd2cfbcf8
   Oct 14 21:45:23 creadle /kernel: frame pointer  =
   0x10:0xd2cfbd08
   Oct 14 21:45:23 creadle /kernel: code segment   = base 0x0,
   limit
   0xf, type 0x1b
   Oct 14 21:45:23 creadle /kernel: = DPL 0, pres 1, def32 1, gran 1
   Oct 14 21:45:23 creadle /kernel: processor eflags   = interrupt
   enabled, resume, IOPL = 0
   Oct 14 21:45:23 creadle /kernel: current process=
 73961
   (sh)
   Oct 14 21:45:23 creadle /kernel: interrupt mask = net tty
 bio
   cam
   Oct 14 21:45:23 creadle /kernel: trap number= 12
   Oct 14 21:45:23 creadle /kernel: panic: page fault
  
   nm -n:
   creadle# nm -n /kernel | grep c028fe8
   c028fe88 T pmap_ts_referenced
   creadle# nm -n /kernel | grep c028fe
   c028fe7c T pmap_phys_address
   c028fe88 T pmap_ts_referenced
  
   I did two because I thought it was odd that the first one came up
 with a
   higher address than the actual pointer.
  
   Any good suggestions?
  
   chris
  
  
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