Date: Sun, 27 Feb 2011 19:50:12 GMT From: Ruben van Staveren <ruben@verweg.com> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/151758: [panic] tmux kernel panic, with out root privilegies Message-ID: <201102271950.p1RJoCtV073068@freefall.freebsd.org>
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The following reply was made to PR kern/151758; it has been noted by GNATS.
From: Ruben van Staveren <ruben@verweg.com>
To: bug-followup@FreeBSD.org, andrey@shidakov.ru
Cc:
Subject: Re: kern/151758: [panic] tmux kernel panic, with out root privilegies
Date: Sun, 27 Feb 2011 20:38:53 +0100
Had this on a FreeBSD chassis 8.2-RELEASE FreeBSD 8.2-RELEASE #3: Fri =
Feb 25 15:44:51 CET 2011 =
root@chassis:/opt/obj/usr/cvsup/8-stable/src/sys/CHASSIS amd64 system
Stack trace likely to be incomplete, second in a row. previous panic was =
with RELENG_8_1 prior to the reboot (so had most of 8.2 already =
installed)
Fatal trap 12: page fault while in kernel mode
cpuid =3D 1; apic id =3D 01
fault virtual address =3D 0x250
fault code =3D supervisor read data, page not present
instruction pointer =3D 0x20:0xffffffff8034a584
stack pointer =3D 0x28:0xffffff80886e2820
frame pointer =3D 0x28:0xffffff80886e2840
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags =3D interrupt enabled, resume, IOPL =3D 0
current process =3D 79289 (tmux)
trap number =3D 12
panic: page fault
cpuid =3D 1
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2a
kdb_backtrace() at kdb_backtrace+0x37
panic() at panic+0x187
trap_fatal() at trap_fatal+0x290
trap_pfault() at trap_pfault+0x2fd
trap() at trap+0x343
calltrap() at calltrap+0x8
--- trap 0xc, rip =3D 0xffffffff8034a584, rsp =3D 0xffffff80886e2820, =
rbp =3D 0xffffff80886e2840 ---
devfs_close_f() at devfs_close_f+0x14
_fdrop() at _fdrop+0x23
closef() at closef+0x45
unp_scan() at unp_scan+0xd7
sofree() at sofree+0x122
soclose() at soclose+0x3c1
_fdrop() at _fdrop+0x23
closef() at closef+0x45
kern_close() at kern_close+0x163
syscallenter() at syscallenter+0x23d
syscall() at syscall+0x4b
Xfast_syscall() at Copyright (c) 1992-2011 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
The Regents of the University of California. All rights =
reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 8.2-RELEASE #3: Fri Feb 25 15:44:51 CET 2011
root@chassis:/opt/obj/usr/cvsup/8-stable/src/sys/CHASSIS amd64
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Dual-Core AMD Opteron(tm) Processor 1220 (2814.44-MHz K8-class CPU)
Origin =3D "AuthenticAMD" Id =3D 0x40f33 Family =3D f Model =3D 43 =
Stepping =3D 3
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