kern/94977: Kernel panic during normal server operations

[Brian Smith]

>Number:         94977
>Category:       kern
>Synopsis:       Kernel panic during normal server operations
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Mar 26 20:30:19 GMT 2006
>Closed-Date:
>Last-Modified:
>Originator:     Brian Smith
>Release:        FreeBSD 6.0-RELEASE-p5 i386
>Organization:
Hushmail
>Environment:
FreeBSD xxxxxxxxxxx 6.0-RELEASE-p5 FreeBSD 6.0-RELEASE-p5 #0: Sun Mar 12 01:59:23 PST 2006     xxxxxxx at xxxxxxxx:/usr/obj/usr/src/sys/SMP  i386

>Description:
The machine panicked while running httpd 2.2.0 (not from ports),
up-imapproxy-1-2-4 (not from ports), postfix-2.3.20060207  (from ports),
php 5.1.2 (not from ports) with eaccelerator 0.5.9-beta-1 (not from ports).

Possibly similar to kern/94380?

Backtrace after crash follows...

su-2.05b# kgdb kernel.debug /var/crash/vmcore.0
GDB will not be able to debug user-mode threads: /usr/lib/libthread_db.so: Undefined symbol "ps_pglobal_lookup"]
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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-marcel-freebsd".

Unread portion of the kernel message buffer:
Cannot access memory at address 0xc103c498
(kgdb) bt
#0  doadump () at pcpu.h:165
#1  0xc063aaeb in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:399
#2  0xc063ae11 in panic (fmt=0xc0857082 "%s")
    at /usr/src/sys/kern/kern_shutdown.c:555
#3  0xc080feb8 in trap_fatal (frame=0xe8d2fbcc, eva=36)
    at /usr/src/sys/i386/i386/trap.c:831
#4  0xc080f62e in trap (frame=
      {tf_fs = -1067188216, tf_es = -947781592, tf_ds = -1064173528, tf_edi = -1014856192, tf_esi = -1014856192, tf_ebp = -388826080, tf_isp = -388826120, tf_ebx = -1011790848, tf_edx = -1014856192, tf_ecx = -1011525312, tf_eax = 0, tf_trapno = 12, tf_err = 0, tf_eip = -1067075252, tf_cs = 32, tf_eflags = 65666, tf_esp = 181, tf_ss = 0}) at /usr/src/sys/i386/i386/trap.c:267
#5  0xc07fccba in calltrap () at /usr/src/sys/i386/i386/exception.s:139
#6  0xc065b94c in propagate_priority (td=0xc3828600)
    at /usr/src/sys/kern/subr_turnstile.c:233
#7  0xc065c265 in turnstile_wait (lock=0xc3bd0aa4, owner=0xc3828600)
    at /usr/src/sys/kern/subr_turnstile.c:628
#8  0xc0631fbc in _mtx_lock_sleep (m=0xc3bd0aa4, tid=3283176448, opts=0,
    file=0x0, line=0) at /usr/src/sys/kern/kern_mutex.c:553
#9  0xc06458dc in thread_single (mode=0) at /usr/src/sys/kern/kern_thread.c:789
#10 0xc0623a37 in fork1 (td=0xc3b14c00, flags=20, pages=0, procp=0xe8d2fcd4)
    at /usr/src/sys/kern/kern_fork.c:256
#11 0xc06237f4 in fork (td=0xc3b14c00, uap=0xe8d2fd04)
    at /usr/src/sys/kern/kern_fork.c:96
#12 0xc08101ff in syscall (frame=
      {tf_fs = 137822267, tf_es = 59, tf_ds = -1106378693, tf_edi = 164917248, tf_esi = 0, tf_ebp = -1087414568, tf_isp = -388825756, tf_ebx = 673227964, tf_edx = 673228708, tf_ecx = 673228708, tf_eax = 2, tf_trapno = 12, tf_err = 2, tf_eip = 673518727, tf_cs = 51, tf_eflags = 646, tf_esp = -1087414644, tf_ss = 59})
    at /usr/src/sys/i386/i386/trap.c:976
#13 0xc07fcd0f in Xint0x80_syscall () at /usr/src/sys/i386/i386/exception.s:200
#14 0x00000033 in ?? ()
Previous frame inner to this frame (corrupt stack?)
(kgdb)



>How-To-Repeat:
Unknown
>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted: