kern/104569: panic w/zebra
Mark Kamichoff
prox at prolixium.com
Sun Dec 17 19:00:41 PST 2006
The following reply was made to PR kern/104569; it has been noted by GNATS.
From: Mark Kamichoff <prox at prolixium.com>
To: bug-followup at FreeBSD.org
Cc:
Subject: Re: kern/104569: panic w/zebra
Date: Sun, 17 Dec 2006 21:20:09 -0500
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Just a note, this looks similar to a problem back from 4.6.2-RELEASE:
http://www.freebsd.org/cgi/query-pr.cgi?pr=3Dkern/42030
Perhaps something in 6.X removed the "band-aid"?
- Mark
On Mon, Dec 11, 2006 at 08:23:33AM -0500, wrote:
> Is there anything else I can provide that will help tracking this down?
> It is still happening:
>=20
> Unread portion of the kernel message buffer:
> kernel trap 12 with interrupts disabled
>=20
>=20
> Fatal trap 12: page fault while in kernel mode
> fault virtual address =3D 0x78
> fault code =3D supervisor read, page not present
> instruction pointer =3D 0x20:0xc0554bcb
> stack pointer =3D 0x28:0xdea8ea64
> frame pointer =3D 0x28:0xdea8ea68
> code segment =3D base 0x0, limit 0xfffff, type 0x1b
> =3D DPL 0, pres 1, def32 1, gran 1
> processor eflags =3D resume, IOPL =3D 0
> current process =3D 1548 (zebra)
> trap number =3D 12
> panic: page fault
> Uptime: 2d5h52m33s
> Dumping 510 MB (2 chunks)
> chunk 0: 1MB (159 pages) ... ok
> chunk 1: 510MB (130544 pages) 494 478 462 446 430 414 398 382 366 350 3=
34 318 302 286 270 254 238 222 206 190 174 158 142 126 110 94 78 62 46 30 14
>=20
> #0 doadump () at pcpu.h:165
> 165 __asm __volatile("movl %%fs:0,%0" : "=3Dr" (td));
> (kgdb) bt
> #0 doadump () at pcpu.h:165
> #1 0xc052f46e in boot (howto=3D260) at /usr/src/sys/kern/kern_shutdown.c=
:409
> #2 0xc052f778 in panic (fmt=3D0xc0709d51 "%s") at /usr/src/sys/kern/kern=
_shutdown.c:565
> #3 0xc06e5d2d in trap_fatal (frame=3D0xdea8ea24, eva=3D0) at /usr/src/sy=
s/i386/i386/trap.c:837
> #4 0xc06e5445 in trap (frame=3D
> {tf_fs =3D -629538808, tf_es =3D -1066139608, tf_ds =3D 40, tf_edi =
=3D -1015486796, tf_esi =3D -1014488704, tf_ebp =3D -559355288, tf_isp =3D =
-559355312, tf_ebx =3D -1015492032, tf_edx =3D -1014488704, tf_ecx =3D 4, t=
f_eax =3D 4, tf_trapno =3D 12, tf_err =3D 0, tf_eip =3D -1068151861, tf_cs =
=3D 32, tf_eflags =3D 65543, tf_esp =3D -1014488704, tf_ss =3D -559355252})=
at /usr/src/sys/i386/i386/trap.c:270
> #5 0xc06d27ca in calltrap () at /usr/src/sys/i386/i386/exception.s:139
> #6 0xc0554bcb in turnstile_setowner (ts=3D0xc378d240, owner=3D0x4)
> at /usr/src/sys/kern/subr_turnstile.c:432
> #7 0xc0554ef7 in turnstile_wait (lock=3D0xc38c6504, owner=3D0x4)
> at /usr/src/sys/kern/subr_turnstile.c:591
> #8 0xc0524ddb in _mtx_lock_sleep (m=3D0xc38c6504, tid=3D3280478592, opts=
=3D0, file=3D0x0, line=3D0)
> at /usr/src/sys/kern/kern_mutex.c:579
> #9 0xc05bcb44 in rtrequest1 (req=3D2, info=3D0xdea8eb24, ret_nrt=3D0xdea=
8eb10)
> at /usr/src/sys/net/route.c:703
> #10 0xc05be7e5 in route_output (m=3D0xc55fa800, so=3D0xc3553164) at /usr/=
src/sys/net/rtsock.c:391
> #11 0xc05bbb12 in raw_usend (so=3D0x4, flags=3D0, m=3D0xc3882180, nam=3D0=
x0, control=3D0x4,=20
> td=3D0xc3882180) at /usr/src/sys/net/raw_usrreq.c:263
> #12 0xc05be457 in rts_send (so=3D0x4, flags=3D4, m=3D0x4, nam=3D0x4, cont=
rol=3D0x4, td=3D0x4)
> at /usr/src/sys/net/rtsock.c:269
> #13 0xc057136c in sosend (so=3D0xc3553164, addr=3D0x0, uio=3D0xdea8ecb0, =
top=3D0xc55fa800,=20
> control=3D0x0, flags=3D0, td=3D0xc3882180) at /usr/src/sys/kern/uipc_=
socket.c:836
> #14 0xc055d2b8 in soo_write (fp=3D0x4, uio=3D0xdea8ecb0, active_cred=3D0x=
c33d2c00, flags=3D0,=20
> td=3D0xc3882180) at /usr/src/sys/kern/sys_socket.c:118
> #15 0xc05569e0 in dofilewrite (td=3D0xc3882180, fd=3D4, fp=3D0xc37b0c18, =
auio=3D0xdea8ecb0, offset=3DUnhandled dwarf expression opcode 0x93
> )
> at file.h:252
> #16 0xc0556817 in kern_writev (td=3D0xc3882180, fd=3D6, auio=3D0x4)
> at /usr/src/sys/kern/sys_generic.c:402
> ---Type <return> to continue, or q <return> to quit---
> #17 0xc05566e9 in write (td=3D0x4, uap=3D0x4) at /usr/src/sys/kern/sys_ge=
neric.c:326
> #18 0xc06e60e3 in syscall (frame=3D
> {tf_fs =3D 672006203, tf_es =3D 672006203, tf_ds =3D -1078001605, t=
f_edi =3D -1077941792, tf_esi =3D -1077942328, tf_ebp =3D -1077941864, tf_i=
sp =3D -559354524, tf_ebx =3D 20, tf_edx =3D -1077942496, tf_ecx =3D 0, tf_=
eax =3D 4, tf_trapno =3D 0, tf_err =3D 2, tf_eip =3D 673045383, tf_cs =3D 5=
1, tf_eflags =3D 514, tf_esp =3D -1077942516, tf_ss =3D 59}) at /usr/src/sy=
s/i386/i386/trap.c:983
> #19 0xc06d281f in Xint0x80_syscall () at /usr/src/sys/i386/i386/exception=
=2Es:200
> #20 0x00000033 in ?? ()
> Previous frame inner to this frame (corrupt stack?)
> (kgdb)=20
>=20
> Thanks!
>=20
> - Mark
>=20
> --=20
> Mark Kamichoff
> prox at prolixium.com
> http://prolixium.com/
> Rensselaer Polytechnic Institute, Class of 2004
--=20
Mark Kamichoff
prox at prolixium.com
http://prolixium.com/
Rensselaer Polytechnic Institute, Class of 2004
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