Kernel panic with backtrace.

[Kris Kennaway]

On Fri, Oct 06, 2006 at 12:25:42AM +0300, Nikolay Pavlov wrote:
> Hi folks.
> I have kernel panic on 5.5-RELEASE-p5 box.
> Could some one please help me to find the source of this panic.
> If you need more info just let me know.
> 
> ==================================================================
> 
> vel-28# uname -a
> FreeBSD vel-28.129 5.5-RELEASE-p5 FreeBSD 5.5-RELEASE-p5 #0: Wed Sep 27 06:07:25 GMT 2006     
> admin at vel-28.129:/usr/obj/usr/src/sys/DEBUG  i386
> 
> ==================================================================
> 
> Unread portion of the kernel message buffer:
> panic: vm_fault: fault on nofault entry, addr: ecf1a000
> Uptime: 6h34m7s
> Dumping 1022 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
> 
> #0  doadump () at pcpu.h:160
> 160     pcpu.h: No such file or directory.
>         in pcpu.h
> (kgdb) bt
> #0  doadump () at pcpu.h:160
> #1  0xc06150ec in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:412
> #2  0xc061536a in panic (fmt=0xc08406b1 "vm_fault: fault on nofault entry, addr: %lx") at /usr/src/sys/kern/kern_shutdown.c:568
> #3  0xc07629c1 in vm_fault (map=0xc103b000, vaddr=3975258112, fault_type=1 '\001', fault_flags=0) at /usr/src/sys/vm/vm_fault.c:273
> #4  0xc07be0a3 in trap_pfault (frame=0xe33c4c08, usermode=0, eva=3975258112) at /usr/src/sys/i386/i386/trap.c:726
> #5  0xc07bdd81 in trap (frame=
>       {tf_fs = -1064173544, tf_es = 16, tf_ds = -1065222128, tf_edi = -1032584476, tf_esi = -319709186, tf_ebp = -482587500, tf_isp = -482587596, tf_ebx = -1032852224, tf_edx = 0, tf_ecx = 327, tf_eax = -712875290, tf_trapno = 12, tf_err = 0, tf_eip = -1065631578, tf_cs = 8, tf_eflags = 66054, tf_esp = 5291, tf_ss = 2048}) at /usr/src/sys/i386/i386/trap.c:427
> #6  0xc07ae29a in calltrap () at /usr/src/sys/i386/i386/exception.s:140
> #7  0xc0920018 in nfsheur ()
> #8  0x00000010 in ?? ()
> #9  0xc0820010 in ?? ()

This backtrace appears to be mostly corrupt (maybe you're using
CFLAGS=-O2), but I can tell you that few developers are interested in
supporting 5.x any longer, so your best bet would be to upgrade to
6.1 and see if the problem persists, then proceed from there.

kris
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