Date: Wed, 30 Jul 2008 08:23:16 GMT From: Mani chandra <mchandra@iitk.ac.in> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/126089: Fatal trap 12: page fault while in kernel mode Message-ID: <200807300823.m6U8NG8X093851@www.freebsd.org> Resent-Message-ID: <200807300830.m6U8U2Rr038215@freefall.freebsd.org>
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>Number: 126089
>Category: kern
>Synopsis: Fatal trap 12: page fault while in kernel mode
>Confidential: no
>Severity: critical
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Wed Jul 30 08:30:01 UTC 2008
>Closed-Date:
>Last-Modified:
>Originator: Mani chandra
>Release: FreeBSD 7.0 RELENG_7 patched with CTM;src-7.0300xEmpty.gz
>Organization:
>Environment:
FreeBSD Death-Star 7.0-RELEASE FreeBSD 7.0-RELEASE #0: Wed Jul 23 02:57:35 IST 2008 root@Death-Star:/usr/obj/usr/src/sys/DEATHSTAR i386
>Description:
Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address = 0x8021
fault code = supervisor read, page not present
instruction pointer = 0x20:0xc071c2c7
stack pointer = 0x28:0xe7386920
frame pointer = 0x28:0xe7386958
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 = 25119 (make)
trap number = 12
panic: page fault
cpuid = 1
Uptime: 21m41s
Physical memory: 3573 MB
Dumping 219 MB: 204 188 172 156 140 124 108 92 76 60 44 28 12
#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=0xe73868e0, eva=32801) at /usr/src/sys/i386/i386/trap.c:899
#4 0xc078b394 in trap_pfault (frame=0xe73868e0, usermode=0, eva=32801) at /usr/src/sys/i386/i386/trap.c:812
#5 0xc078bcfa in trap (frame=0xe73868e0) at /usr/src/sys/i386/i386/trap.c:490
#6 0xc07736ab in calltrap () at /usr/src/sys/i386/i386/exception.s:139
#7 0xc071c2c7 in allocdirect_merge (adphead=0x1, newadp=0xc8cd4480, oldadp=0x8001)
at /usr/src/sys/ufs/ffs/ffs_softdep.c:1744
#8 0xe7386974 in ?? ()
#9 0xc6c9f440 in ?? ()
#10 0x00080120 in ?? ()
#11 0x00000000 in ?? ()
#12 0x00004000 in ?? ()
#13 0xc6c45a70 in ?? ()
#14 0xc865cd00 in ?? ()
#15 0x00000000 in ?? ()
#16 0xcb6e6e70 in ?? ()
#17 0xc6c21800 in ?? ()
#18 0xe73869e4 in ?? ()
#19 0xc070f6a1 in ffs_update (vp=0x926ce860, waitfor=1166802943) at /usr/src/sys/ufs/ffs/ffs_inode.c:110
Previous frame inner to this frame (corrupt stack?)
My hardware is the DELL Vostro 1400 with the following specs:-
Intel Core 2 Duo T9300 @ 2.5 GHz
4 GB DDR2 RAM @ 667 MHz
200 GB Harddrive @ 7200 rpm (ad4: 190782MB <Seagate ST9200420ASG 3.ADD> at ata2-master SATA300)
NVIDIA GeForce 8400M GS
My make.conf is:-
CPUTYPE=core2
CFLAGS= -O2 -fno-strict-aliasing -pipe
CXXFLAGS+= -fconserve-space
COPTFLAGS= -O -pipe
# added by use.perl 2008-06-29 04:07:27
PERL_VER=5.8.8
PERL_VERSION=5.8.8
KERNCONF=DEATHSTAR
FETCH_CMD=/usr/local/bin/wget
DISABLE_SIZE=YES
>How-To-Repeat:
I don't know. Seems to be random.
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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