kern/126089: [panic] Fatal trap 12: page fault while in kernel
mode
Mani chandra
mchandra at iitk.ac.in
Sun Aug 3 16:50:05 UTC 2008
The following reply was made to PR kern/126089; it has been noted by GNATS.
From: Mani chandra <mchandra at iitk.ac.in>
To: bug-followup at FreeBSD.org, mchandra at iitk.ac.in
Cc:
Subject: Re: kern/126089: [panic] Fatal trap 12: page fault while in kernel
mode
Date: Sun, 03 Aug 2008 22:16:50 +0530
Hi,
I had another crash today and the following is the backtrace.
Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address = 0x810698bc
fault code = supervisor read, page not present
instruction pointer = 0x20:0xc05dab78
stack pointer = 0x28:0xe6e86b98
frame pointer = 0x28:0xe6e86bb8
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 858 (gkrellm)
trap number = 12
panic: page fault
cpuid = 1
Uptime: 26m3s
Physical memory: 3573 MB
Dumping 217 MB: 202 186 170 154 138 122 106 90 74 58 42 26 10
#0 doadump () at pcpu.h:195
195 pcpu.h: No such file or directory.
in pcpu.h
(kgdb) bt
#0 doadump () at pcpu.h:195
#1 0xc0579cf1 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:409
#2 0xc0579fc4 in panic (fmt=Variable "fmt" is not available.
) at /usr/src/sys/kern/kern_shutdown.c:563
#3 0xc078b144 in trap_fatal (frame=0xe6e86b58, eva=2164693180) at
/usr/src/sys/i386/i386/trap.c:899
#4 0xc078b394 in trap_pfault (frame=0xe6e86b58, usermode=0,
eva=2164693180) at /usr/src/sys/i386/i386/trap.c:812
#5 0xc078bcfa in trap (frame=0xe6e86b58) at
/usr/src/sys/i386/i386/trap.c:490
#6 0xc07736ab in calltrap () at /usr/src/sys/i386/i386/exception.s:139
#7 0xc05dab78 in brelse (bp=0xc74054a4) at /usr/src/sys/kern/vfs_bio.c:321
#8 0xc05b2741 in soo_write (fp=0xc6fdeab0, uio=0xe6e86c60,
active_cred=0xc7368b00, flags=0, td=0xc7407440)
at /usr/src/sys/kern/sys_socket.c:103
#9 0xc05ac085 in dofilewrite (td=0xc7407440, fd=3, fp=0xc6fdeab0,
auio=0xe6e86c60, offset=-1, flags=0) at file.h:254
#10 0xc05ac321 in kern_writev (td=0xc7407440, fd=3, auio=0xe6e86c60) at
/usr/src/sys/kern/sys_generic.c:401
#11 0xc05ac38d in write (td=0xc7407440, uap=0xe6e86cfc) at
/usr/src/sys/kern/sys_generic.c:317
#12 0xc078b6d5 in syscall (frame=0xe6e86d38) at
/usr/src/sys/i386/i386/trap.c:1035
#13 0xc0773710 in Xint0x80_syscall () at
/usr/src/sys/i386/i386/exception.s:196
#14 0x00000033 in ?? ()
Previous frame inner to this frame (corrupt stack?)
More information about the freebsd-bugs
mailing list