Date: Tue, 27 Jun 2006 06:53:10 +0200 From: Stanislaw Halik <sthalik@tehran.lain.pl> To: freebsd-stable@freebsd.org Subject: trap 12: supervisor write, page not present on 6.1-STABLE Tue May 16 2006 Message-ID: <20060627045310.GA6324@tehran.lain.pl>
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Hello,
6.1-STABLE crashed on me. I'm providing a backtrace. Could any of you,
experienced people, suggest me if it's a hardware problem or is it an
error inside the OS?
-->--
Fatal trap 12: page fault while in kernel mode
fault virtual address =3D 0x58
fault code =3D supervisor write, page not present
instruction pointer =3D 0x20:0xc058e01a
stack pointer =3D 0x28:0xd68d5acc
frame pointer =3D 0x28:0xd68d5b04
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, def32 1, gran 1
processor eflags =3D interrupt enabled, resume, IOPL =3D 0
current process =3D 42435 (rtorrent)
trap number =3D 12
panic: page fault
Uptime: 24d18h34m6s
Dumping 511 MB (2 chunks)
chunk 0: 1MB (160 pages) ... ok
chunk 1: 511MB (130816 pages) 496 480 464 448 432 416 400 384 368 352 336=
320 304 288 272 256 240 224 208 192 176 160 144 128 112 96 80 64 48 32 16
#0 doadump () at pcpu.h:165
165 __asm __volatile("movl %%fs:0,%0" : "=3Dr" (td));
(kgdb) bt
#0 doadump () at pcpu.h:165
#1 0xc04d609c in boot (howto=3D260) at /usr/src/sys/kern/kern_shutdown.c:4=
09
#2 0xc04d63e9 in panic (fmt=3D0xc06817e7 "%s") at /usr/src/sys/kern/kern_s=
hutdown.c:565
#3 0xc066347c in trap_fatal (frame=3D0xd68d5a8c, eva=3D0) at /usr/src/sys/=
i386/i386/trap.c:836
#4 0xc0663152 in trap_pfault (frame=3D0xd68d5a8c, usermode=3D0, eva=3D88) =
at /usr/src/sys/i386/i386/trap.c:744
#5 0xc0662d0f in trap (frame=3D
{tf_fs =3D 892993544, tf_es =3D -1014235096, tf_ds =3D -1024327640, t=
f_edi =3D 0, tf_esi =3D 0, tf_ebp =3D -695379196, tf_isp =3D -695379272, tf=
_ebx =3D -695378816, tf_edx =3D -695378544, tf_ecx =3D 0, tf_eax =3D 8, tf_=
trapno =3D 12, tf_err =3D 2, tf_eip =3D -1067917286, tf_cs =3D 32, tf_eflag=
s =3D 2163335, tf_esp =3D -695378816, tf_ss =3D -695379220}) at /usr/src/sy=
s/i386/i386/trap.c:434
#6 0xc0653cfa in calltrap () at /usr/src/sys/i386/i386/exception.s:139
#7 0xc058e01a in ip_ctloutput (so=3D0xd68d5d90, sopt=3D0xd68d5c80) at /usr=
/src/sys/netinet/ip_output.c:1210
#8 0xc059f7df in tcp_ctloutput (so=3D0xc35fb6f4, sopt=3D0xd68d5c80) at /us=
r/src/sys/netinet/tcp_usrreq.c:1038
#9 0xc051d867 in sosetopt (so=3D0xc35fb6f4, sopt=3D0xd68d5c80) at /usr/src=
/sys/kern/uipc_socket.c:1560
#10 0xc05246b9 in kern_setsockopt (td=3D0xc38c6780, s=3D8, level=3D8, name=
=3D8, val=3D0xbfbfe61c, valseg=3DUIO_USERSPACE, valsize=3D0)
at /usr/src/sys/kern/uipc_syscalls.c:1351
#11 0xc05245be in setsockopt (td=3D0x8, uap=3D0xd68d5d90) at /usr/src/sys/k=
ern/uipc_syscalls.c:1307
#12 0xc0663870 in syscall (frame=3D
{tf_fs =3D 139198523, tf_es =3D 138412091, tf_ds =3D -1078001605, tf_=
edi =3D -1077942700, tf_esi =3D -1077942700, tf_ebp =3D -1077942744, tf_isp=
=3D -695378588, tf_ebx =3D 673057632, tf_edx =3D 0, tf_ecx =3D 0, tf_eax =
=3D 105, tf_trapno =3D 0, tf_err =3D 2, tf_eip =3D 676107131, tf_cs =3D 51,=
tf_eflags =3D 2097734, tf_esp =3D -1077942788, tf_ss =3D 59}) at /usr/src/=
sys/i386/i386/trap.c:981
#13 0xc0653d4f in Xint0x80_syscall () at /usr/src/sys/i386/i386/exception.s=
:200
#14 0x00000033 in ?? ()
Previous frame inner to this frame (corrupt stack?)
--<--
Thanks in advance for any feedback.
--=20
Stanislaw Halik
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