Date: Sun, 27 Jul 2008 23:43:39 +0300 From: Kostik Belousov <kostikbel@gmail.com> To: Michael toth <mtoth@queldor.net> Cc: Kris Kennaway <kris@freebsd.org>, freebsd-stable@freebsd.org Subject: Re: 7.0 Crashing Message-ID: <20080727204339.GG97161@deviant.kiev.zoral.com.ua> In-Reply-To: <488CD9AB.8040401@queldor.net> References: <488CACD9.7060002@queldor.net> <488CBB02.1020105@FreeBSD.org> <488CBBAC.7040507@queldor.net> <488CC13F.1020204@FreeBSD.org> <20080727190742.GF97161@deviant.kiev.zoral.com.ua> <488CD9AB.8040401@queldor.net>
next in thread | previous in thread | raw e-mail | index | archive | help
--XSfi1pJWPNAvuBPy
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable
On Sun, Jul 27, 2008 at 04:25:15PM -0400, Michael toth wrote:
> Fatal trap 12: page fault while in kernel mode
> cpuid =3D 4; apic id =3D 04
> fault virtual address =3D 0x188
> fault code =3D supervisor read, page not present
> instruction pointer =3D 0x20:0xc0775284
> stack pointer =3D 0x28:0xe7d6bad0
> frame pointer =3D 0x28:0xe7d6bae8
> 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 4838 (egrep)
> trap number =3D 12
> panic: page fault
> cpuid =3D 4
> Uptime: 1h2m48s
> Physical memory: 2035 MB
> Dumping 87 MB: 72 56 40 24 8
>=20
> Reading symbols from /boot/kernel/acpi.ko...Reading symbols from=20
> /boot/kernel/acpi.ko.symbols...done.
> done.
> Loaded symbols for /boot/kernel/acpi.ko
> #0 doadump () at pcpu.h:195
> 195 __asm __volatile("movl %%fs:0,%0" : "=3Dr" (td));
> (kgdb) backtrace
> #0 doadump () at pcpu.h:195
> #1 0xc0782597 in boot (howto=3D260) at /usr/src/sys/kern/kern_shutdown.c=
:418
> #2 0xc0782859 in panic (fmt=3DVariable "fmt" is not available.
> ) at /usr/src/sys/kern/kern_shutdown.c:572
> #3 0xc0a8b39c in trap_fatal (frame=3D0xe7d6ba90, eva=3D392) at=20
> /usr/src/sys/i386/i386/trap.c:899
> #4 0xc0a8b620 in trap_pfault (frame=3D0xe7d6ba90, usermode=3D0, eva=3D39=
2) at=20
> /usr/src/sys/i386/i386/trap.c:812
> #5 0xc0a8bfcc in trap (frame=3D0xe7d6ba90) at=20
> /usr/src/sys/i386/i386/trap.c:490
> #6 0xc0a71bdb in calltrap () at /usr/src/sys/i386/i386/exception.s:139
> #7 0xc0775284 in _mtx_lock_sleep (m=3D0xc600d174, tid=3D3318745216, opts=
=3D0,=20
> file=3D0x0, line=3D0) at /usr/src/sys/kern/kern_mutex.c:339
> #8 0xc09a93d7 in vm_fault (map=3D0xc56b5570, vaddr=3D671809536,=20
> fault_type=3D2 '\002', fault_flags=3D8) at /usr/src/sys/vm/vm_fault.c:293
> #9 0xc0a8b50b in trap_pfault (frame=3D0xe7d6bd38, usermode=3D1,=20
> eva=3D671813488) at /usr/src/sys/i386/i386/trap.c:789
> #10 0xc0a8be57 in trap (frame=3D0xe7d6bd38) at=20
> /usr/src/sys/i386/i386/trap.c:357
> #11 0xc0a71bdb in calltrap () at /usr/src/sys/i386/i386/exception.s:139
> #12 0x2806e607 in ?? ()
> Previous frame inner to this frame (corrupt stack?)
> (kgdb) up
> #1 0xc0782597 in boot (howto=3D260) at /usr/src/sys/kern/kern_shutdown.c=
:418
> 418 doadump();
> (kgdb) up
> #2 0xc0782859 in panic (fmt=3DVariable "fmt" is not available.
> ) at /usr/src/sys/kern/kern_shutdown.c:572
> 572 boot(bootopt);
> (kgdb) up
> #3 0xc0a8b39c in trap_fatal (frame=3D0xe7d6ba90, eva=3D392) at=20
> /usr/src/sys/i386/i386/trap.c:899
> 899 panic("%s", trap_msg[type]);
> (kgdb) up
> #4 0xc0a8b620 in trap_pfault (frame=3D0xe7d6ba90, usermode=3D0, eva=3D39=
2) at=20
> /usr/src/sys/i386/i386/trap.c:812
> 812 trap_fatal(frame, eva);
> (kgdb) up
> #5 0xc0a8bfcc in trap (frame=3D0xe7d6ba90) at=20
> /usr/src/sys/i386/i386/trap.c:490
> 490 (void) trap_pfault(frame, FALSE, eva);
> (kgdb) up
> #6 0xc0a71bdb in calltrap () at /usr/src/sys/i386/i386/exception.s:139
> 139 call trap
> Current language: auto; currently asm
> (kgdb) up
> #7 0xc0775284 in _mtx_lock_sleep (m=3D0xc600d174, tid=3D3318745216, opts=
=3D0,=20
> file=3D0x0, line=3D0) at /usr/src/sys/kern/kern_mutex.c:339
> 339 owner =3D (struct thread *)(v &=20
> ~MTX_FLAGMASK);
> Current language: auto; currently c
> (kgdb) up
> #8 0xc09a93d7 in vm_fault (map=3D0xc56b5570, vaddr=3D671809536,=20
> fault_type=3D2 '\002', fault_flags=3D8) at /usr/src/sys/vm/vm_fault.c:293
> 293 VM_OBJECT_LOCK(fs.first_object);
> (kgdb) p fs
> $1 =3D {m =3D 0x0, object =3D 0x12, pindex =3D 13878757899709627520, firs=
t_m =3D=20
> 0xc5f0a8b8, first_object =3D 0xc600d174, first_pindex =3D 0, map =3D=20
> 0xc56b5570, entry =3D 0xc59fc7f8, lookup_still_valid =3D 2, vp =3D 0xc55c=
5220}
> (kgdb) p fs.first_object
> $2 =3D 0xc600d174
> (kgdb)
Please, show the output of
p/x *(fs.first_object)
BTW, you have said that you got a lot of the panics. Are backtraces
the same for all of them ?
--XSfi1pJWPNAvuBPy
Content-Type: application/pgp-signature
Content-Disposition: inline
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.9 (FreeBSD)
iEYEARECAAYFAkiM3foACgkQC3+MBN1Mb4jDFgCgxt70lsWENEFNztFryD1PSD/h
npoAn0QWcijsnyS5EDRVSDbVQcXpgT1X
=y52L
-----END PGP SIGNATURE-----
--XSfi1pJWPNAvuBPy--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20080727204339.GG97161>