Hello,
I get these panics each day with 5-CURRENT. All what the machine does is
file serving through FTP, HTTP and RSYNC over a GE NIC.
It is a dual Xeon, but I got the same results with an earlier CURRENT on a
whole different machine (see kern/46861).
Any ideas about this problem?
Thanks!
kandojozsef-bkp# gdb -k kernel.debug.20030305 vmcore.0
GNU gdb 5.2.1 (FreeBSD)
Copyright 2002 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.
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This GDB was configured as "i386-undermydesk-freebsd"...
panic: bwrite: buffer is not busy???
panic messages:
---
Fatal trap 12: page fault while in kernel mode
cpuid = 0; lapic.id = 06000000
fault virtual address = 0x1c
fault code = supervisor write, page not present
instruction pointer = 0x8:0xc01bc6b4
stack pointer = 0x10:0xe4bd7c4c
frame pointer = 0x10:0xe4bd7c68
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 65184 (ftpd)
trap number = 12
panic: page fault
cpuid = 0; lapic.id = 06000000
boot() called on cpu#0
syncing disks, buffers remaining... panic: bwrite: buffer is not busy???
cpuid = 0; lapic.id = 06000000
boot() called on cpu#0
Uptime: 14h36m20s
Dumping 1536 MB
16 32 48 64 80 96 112 128 144 160 176 192 208 224 240 256 272 288 304 320 336 352 368
384 400 416 432 448 464 480 496 512 528 544 560 576 592 608 624 640 656 672 688 704
720 736 752 768 784 800 816 832 848 864 880 896 912 928 944 960 976 992 1008 1024 1040
1056 1072 1088 1104 1120 1136 1152 1168 1184 1200 1216 1232 1248 1264 1280 1296 1312
1328 1344 1360 1376 1392 1408 1424 1440 1456 1472 1488 1504 1520
---
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:239
239 dumping++;
(kgdb) where
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:239
#1 0xc01bd5ab in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:371
#2 0xc01bd83a in poweroff_wait (junk=0xc02eb4df, howto=-1070264832)
at /usr/src/sys/kern/kern_shutdown.c:542
#3 0xc01fecb8 in bwrite (bp=0x104) at /usr/src/sys/kern/vfs_bio.c:795
#4 0xc02006fd in vfs_bio_awrite (bp=0xd33b5d18)
at /usr/src/sys/kern/vfs_bio.c:1692
#5 0xc0207e0a in vop_stdfsync (ap=0xe4bd7ab0)
at /usr/src/sys/kern/vfs_default.c:755
#6 0xc018401d in spec_fsync (ap=0xe4bd7ab0)
at /usr/src/sys/fs/specfs/spec_vnops.c:420
#7 0xc0183544 in spec_vnoperate (ap=0x0)
at /usr/src/sys/fs/specfs/spec_vnops.c:123
#8 0xc025f72e in ffs_sync (mp=0xc6991400, waitfor=2, cred=0xc2a5bf00,
td=0xc03086a0) at vnode_if.h:612
#9 0xc0214b16 in sync (td=0xc03086a0, uap=0x0)
at /usr/src/sys/kern/vfs_syscalls.c:138
#10 0xc01bd18c in boot (howto=256) at /usr/src/sys/kern/kern_shutdown.c:280
#11 0xc01bd83a in poweroff_wait (junk=0xc02eed43, howto=-1070635321)
at /usr/src/sys/kern/kern_shutdown.c:542
#12 0xc02bf20c in trap_fatal (frame=0x100, eva=0)
at /usr/src/sys/i386/i386/trap.c:843
#13 0xc02beecc in trap_pfault (frame=0xe4bd7c0c, usermode=0, eva=28)
at /usr/src/sys/i386/i386/trap.c:757
---Type <return> to continue, or q <return> to quit---
#14 0xc02be9b4 in trap (frame=
{tf_fs = -457375720, tf_es = -1071579120, tf_ds = -1070465008, tf_edi = 0,
tf_esi = 1, tf_ebp = -457343896, tf_isp = -457343944, tf_ebx = -1029451328, tf_edx =
4, tf_ecx = -919729344, tf_eax = 4, tf_trapno = 12, tf_err = 2, tf_eip = -1071921484,
tf_cs = 8, tf_eflags = 66178, tf_esp = 508, tf_ss = 0})
at /usr/src/sys/i386/i386/trap.c:444
#15 0xc02a7e28 in calltrap () at {standard input}:97
#16 0xc01a75e0 in fork1 (td=0xc92e0b40, flags=20, pages=0, procp=0xe4bd7cd8)
at /usr/src/sys/kern/kern_fork.c:340
#17 0xc01a6f2b in fork (td=0xc92e0b40, uap=0xe4bd7d14)
at /usr/src/sys/kern/kern_fork.c:124
#18 0xc02bf534 in syscall (frame=
{tf_fs = 134610991, tf_es = 672661551, tf_ds = -1078001617, tf_edi = 134584470,
tf_esi = -1077940680, tf_ebp = -1077940744, tf_isp = -457343628, tf_ebx = 1, tf_edx =
0, tf_ecx = 0, tf_eax = 2, tf_trapno = 12, tf_err = 2, tf_eip = 672264211, tf_cs = 31,
tf_eflags = 582, tf_esp = -1077945252, tf_ss = 47})
at /usr/src/sys/i386/i386/trap.c:1030
#19 0xc02a7e7d in Xint0x80_syscall () at {standard input}:139
---Can't read userspace from dump, or kernel process---
kandojozsef-bkp# uname -a
FreeBSD kandojozsef-bkp.iif.hu 5.0-CURRENT FreeBSD 5.0-CURRENT #6: Wed Mar 5 22:47:25
CET 2003 [EMAIL PROTECTED]:/usr/obj/usr/src/sys/TEST i386
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