I am getting the following panic that happens intermittently using 6,0
and 6.1 prerelease with GENERIC and modified kermels
[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]
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This GDB was configured as "i386-marcel-freebsd".
Unread portion of the kernel message buffer:
ural0: could not transmit buffer: SHORT_XFER
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x4
fault code = supervisor read, page not present
instruction pointer = 0x20:0xc0667091
stack pointer = 0x28:0xd33e4c00
frame pointer = 0x28:0xd33e4c0c
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 = 32 (irq21: uhci0 uhci1+)
trap number = 12
panic: page fault
Uptime: 1h4m21s
Dumping 479 MB (2 chunks)
chunk 0: 1MB (157 pages) ... ok
chunk 1: 479MB (122608 pages) 463 447 431 415 399 383 367 351 335 319
303 287 271 255 239 223 207 191 175 159 143 127 111 95 79 63 47 31 15
#0 doadump () at pcpu.h:165
165 __asm __volatile("movl %%fs:0,%0" : "=r" (td));
(kgdb) where
#0 doadump () at pcpu.h:165
#1 0xc05db1a2 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:399
#2 0xc05db438 in panic (fmt=0xc07b409e "%s")
at /usr/src/sys/kern/kern_shutdown.c:555
#3 0xc0772294 in trap_fatal (frame=0xd33e4bc0, eva=4)
at /usr/src/sys/i386/i386/trap.c:836
#4 0xc0771ffb in trap_pfault (frame=0xd33e4bc0, usermode=0, eva=4)
at /usr/src/sys/i386/i386/trap.c:744
#5 0xc0771c59 in trap (frame=
{tf_fs = 8, tf_es = 40, tf_ds = 40, tf_edi = -1020522496, tf_esi =
0, tf_ebp = -750892020, tf_isp = -750892052, tf_ebx = -1020519468,
tf_edx = -1020526944, tf_ecx = -1021865984, tf_eax = 0, tf_trapno = 12,
tf_err = 0, tf_eip = -1067028335, tf_cs = 32, tf_eflags = 66118, tf_esp
= -1020519468, tf_ss = -1020479488}) at /usr/src/sys/i386/i386/trap.c:434
#6 0xc0761cfa in calltrap () at /usr/src/sys/i386/i386/exception.s:139
#7 0xc0667091 in ieee80211_free_node (ni=0x0)
at /usr/src/sys/net80211/ieee80211_node.c:1573
#8 0xc0575307 in ural_txeof (xfer=0xc34ba100, priv=0xc32c1bd4,
status=USBD_NORMAL_COMPLETION) at /usr/src/sys/dev/usb/if_ural.c:884
#9 0xc058d24e in usb_transfer_complete (xfer=0xc34ba100)
at /usr/src/sys/dev/usb/usbdi.c:863
#10 0xc056afd8 in ehci_idone (ex=0xc34ba100) at
/usr/src/sys/dev/usb/ehci.c:875
#11 0xc056aeb3 in ehci_check_intr (sc=0xc3179000, ex=0xc34ba100)
---Type <return> to continue, or q <return> to quit---
at /usr/src/sys/dev/usb/ehci.c:760
#12 0xc056aded in ehci_softintr (v=0xc3179000)
at /usr/src/sys/dev/usb/ehci.c:694
#13 0xc058a56d in usb_schedsoftintr (bus=0x0) at
/usr/src/sys/dev/usb/usb.c:871
#14 0xc056abce in ehci_intr1 (sc=0xc3179000) at
/usr/src/sys/dev/usb/ehci.c:594
#15 0xc056ab0e in ehci_intr (v=0xc3179000) at
/usr/src/sys/dev/usb/ehci.c:553
#16 0xc05c6b79 in ithread_loop (arg=0xc3088280)
at /usr/src/sys/kern/kern_intr.c:547
#17 0xc05c5e00 in fork_exit (callout=0xc05c6a20 <ithread_loop>,
arg=0xc3088280, frame=0xd33e4d38) at /usr/src/sys/kern/kern_fork.c:789
#18 0xc0761d5c in fork_trampoline () at
/usr/src/sys/i386/i386/exception.s:208
uname -a
FreeBSD rainbow.Belkin 6.1-PRERELEASE FreeBSD 6.1-PRERELEASE #4: Thu Feb
16 23:19:36 GMT 2006 [EMAIL PROTECTED]:/usr/obj/usr/src/sys/DAVES
i386
dmesg part
ural0: Belkin Belkin 54g USB Network Adapter, rev 2.00/0.01, addr 2
ural0: MAC/BBP RT2570 (rev 0x05), RF RT2526
ural0: Ethernet address: 00:11:50:8a:93:47
ural0: if_start running deferred for Giant
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