From owner-freebsd-bugs@FreeBSD.ORG  Thu Dec 14 15:05:51 2006
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Date: Thu, 14 Dec 2006 09:05:15 -0600
From: Eric van Gyzen <eric@vangyzen.net>
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Subject: Re: kern/102654: panic: sleeping thread
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I just realized I forgot to submit a backtrace:

(kgdb) bt
#0  doadump () at pcpu.h:165
#1  0xc0523d45 in boot (howto=260) at /freebsd/src/sys/kern/kern_shutdown.c:402
#2  0xc052400c in panic (fmt=0xc06a8c28 "sleeping thread")
    at /freebsd/src/sys/kern/kern_shutdown.c:558
#3  0xc0543e7c in propagate_priority (td=0xc3989000)
    at /freebsd/src/sys/kern/subr_turnstile.c:196
#4  0xc054465e in turnstile_wait (lock=0xc070db20, owner=0xc3989000)
    at /freebsd/src/sys/kern/subr_turnstile.c:634
#5  0xc051b2f4 in _mtx_lock_sleep (m=0xc070db20, tid=3256848768, opts=0, 
    file=0x0, line=0) at /freebsd/src/sys/kern/kern_mutex.c:565
#6  0xc06154ba in vm_pagezero (arg=0x0)
    at /freebsd/src/sys/vm/vm_zeroidle.c:159
#7  0xc050daa8 in fork_exit (callout=0xc0615464 <vm_pagezero>, arg=0x0, 
    frame=0xcc9b4d38) at /freebsd/src/sys/kern/kern_fork.c:805
#8  0xc06598bc in fork_trampoline ()
    at /freebsd/src/sys/i386/i386/exception.s:208