Date: Thu, 19 Jan 2012 19:58:50 +0000 From: Martin Ranne <martin.ranne@kockumsonics.com> To: Andriy Gapon <avg@FreeBSD.org> Cc: "freebsd-fs@freebsd.org" <freebsd-fs@FreeBSD.org> Subject: RE: zpool import reboots computer Message-ID: <39C592E81AEC0B418EAD826FC1BBB09B25253F@mailgate> In-Reply-To: <4F1858FE.7020509@FreeBSD.org> References: <39C592E81AEC0B418EAD826FC1BBB09B25031D@mailgate> <4F18459F.7040309@FreeBSD.org> <39C592E81AEC0B418EAD826FC1BBB09B252444@mailgate> <4F1858FE.7020509@FreeBSD.org>
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On 2012-01-19 18:55, Andriy Gapon wrote:=20
on 19/01/2012 19:36 Martin Ranne said the following:
On 2012-01-19 17:32, Andriy Gapon wrote:=20
on 19/01/2012 17:36 Martin Ranne said the following:
>>>>I had a failure in one server where i try to determine if it is memory =
or cpu. It shows up as memory failure in memtest86. >>The result is that it=
managed to damage the zpool which is a raidz2 with 6 disks.
>>>>If I boot from a FreeBSD 9.0-RELEASE usb stick and import it with zpool=
-f -R /mnt/zroot zroot it will reboot the computer. >>I have also tried to=
import it in another computer which is running 9-STABLE with the same resu=
lt. On the second computer I >>used zpool -f -R /mnt/zroot "zpool-id" serv0=
6zroot=20
>>>>Can I get some help on how to be able to debug this and in the end be a=
ble to import it to repair it.
>>>>Data for the second computer can be found attached. The disks in questi=
on are da0 to da5 in this.
>>>And the panic message is?
>>I am trying to get a crash dump but it hangs when dumping.
>Alternatives:
>- serial console
>- digital camera
>- eyes plus pen and paper
Finally here it is. Is there anything i can do in the debugger to make it p=
ossible to find what is crashing in there?
Fatal trap 12: page fault while in kernel mode
Fatal trap 12: page fault while in kernel mode
cpuid =3D 0; cpuid =3D 2; apic id =3D 00
apic id =3D 02
fault virtual address =3D 0x88
fault virtual address =3D 0x38
fault code =3D supervisor read data, page not present
fault code =3D supervisor read data, page not present
instruction pointer =3D 0x20:0xffffffff814a7ef5
instruction pointer =3D 0x20:0xffffffff814872a1
stack pointer =3D 0x28:0xffffff8c10252ad0
stack pointer =3D 0x28:0xffffff8c0d564f00
frame pointer =3D 0x28:0xffffff8c10252b40
frame pointer =3D 0x28:0xffffff8c0d564f30
code segment =3D base 0x0, limit 0xfffff, type 0x1b
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, long 1, def32 0, gran 1
=3D DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags =3D processor eflags =3D interrupt enabl=
ed, interrupt enabled, resume, resume, IOPL =3D 0
IOPL =3D 0
current process =3D current process =3D 2659 =
(zpool)
0 [ thread pid 2659 tid 100592 ]
stopped at zio_vdev_child_io+0x25: cmpq $0,0x88(%r10)
db>
________________________________________
No virus found in this message.
Checked by AVG - www.avg.com
Version: 2012.0.1901 / Virus Database: 2109/4753 - Release Date: 01/19/12
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