Hello.

# uname -a
FreeBSD incubus.bsd 7.0-RELEASE FreeBSD 7.0-RELEASE #0: Sun Feb 24 19:59:52=
UTC 2008 root@logan.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC i38

Fatal trap 12: page fault while in kernel mode
cpuid =3D 0; apic id =3D 00
fault virtual address =3D 0x74696272
fault code =3D supervisor read, page not present
instruction pointer =3D 0x20:0xc07043e9
stack pointer =3D 0x28:0xd2ebfa58
frame pointer =3D 0x28:0xd2ebfa84
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 961 (nautilus)
trap number =3D 12
panic: page fault
cpuid =3D 0
Uptime: 1h7m39s
Physical memory: 367 MB
Dumping 99 MB: 84 68 52 36 20 4

#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 0xc0754457 in boot (howto=3D260)
at /usr/src/sys/kern/kern_shutdown.c:409
#2 0xc0754719 in panic (fmt=3DVariable "fmt" is not available.
) at /usr/src/sys/kern/kern_shutdown.c:563
#3 0xc0a4905c in trap_fatal (frame=3D0xd2ebfa18, eva=3D1953063538)
at /usr/src/sys/i386/i386/trap.c:899
#4 0xc0a492e0 in trap_pfault (frame=3D0xd2ebfa18, usermode=3D0,
eva=3D1953063538)
at /usr/src/sys/i386/i386/trap.c:812
#5 0xc0a49c8c in trap (frame=3D0xd2ebfa18)
at /usr/src/sys/i386/i386/trap.c:490
#6 0xc0a2fc0b in calltrap () at /usr/src/sys/i386/i386/exception.s:139
#7 0xc07043e9 in g_io_request (bp=3D0xc3e04bdc, cp=3D0xc38f4200)
at /usr/src/sys/geom/geom_io.c:364
#8 0xc0708816 in g_vfs_strategy (bo=3D0xc3ab1940, bp=3D0xca38318c)
at /usr/src/sys/geom/geom_vfs.c:107
#9 0xc07186f0 in cd9660_strategy (ap=3D0xd2ebfadc)
at /usr/src/sys/fs/cd9660/cd9660_vnops.c:757
#10 0xc0a5ea5d in VOP_STRATEGY_APV (vop=3D0xc0b73980, a=3D0xd2ebfadc) at
vnode_if.c:1771
#11 0xc07b3dce in bufstrategy (bo=3D0xc39de940, bp=3D0xca38318c) at
vnode_if.h:935
#12 0xc07bacca in breadn (vp=3D0xc39de880, blkno=3D2, size=3D2048,
rablkno=3D0x0, rabsize=3D0x0, cnt=3D0,=20
cred=3D0x0, bpp=3D0xd2ebfb70) at buf.h:429
#13 0xc07bad7c in bread (vp=3D0xc39de880, blkno=3DUnhandled dwarf expression
opcode 0x93
) at /usr/src/sys/kern/vfs_bio.c:734
#14 0xc0714660 in cd9660_blkatoff (vp=3D0xc39de880, offset=3D4096, res=3D0x=
0,
bpp=3D0xd2ebfbe8)
at /usr/src/sys/fs/cd9660/cd9660_lookup.c:407
#15 0xc0718f2f in cd9660_readdir (ap=3D0xd2ebfc24)
at /usr/src/sys/fs/cd9660/cd9660_vnops.c:515
#16 0xc0a5dd62 in VOP_READDIR_APV (vop=3D0xc0b73980, a=3D0xd2ebfc24) at
vnode_if.c:1407
#17 0xc07d86ae in getdirentries (td=3D0xc372d420, uap=3D0xd2ebfcfc) at
vnode_if.h:747
#18 0xc0a49635 in syscall (frame=3D0xd2ebfd38)
at /usr/src/sys/i386/i386/trap.c:1035
#19 0xc0a2fc70 in Xint0x80_syscall ()
at /usr/src/sys/i386/i386/exception.s:196
#20 0x00000033 in ?? ()

May be it's like
http://lists.freebsd.org/pipermail/f...ry/027744.html
and kern/108968 ?

--=20
WBR

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