Date: Mon, 02 Jun 2014 15:57:56 -0700 From: Mike Carlson <mike@bayphoto.com> To: Steven Hartland <killing@multiplay.co.uk>, freebsd-fs@freebsd.org Subject: Re: ZFS Kernel Panic on 10.0-RELEASE Message-ID: <538D0174.6000906@bayphoto.com> In-Reply-To: <85184EB23AA84607A360E601D03E1741@multiplay.co.uk> References: <5388D64D.4030400@bayphoto.com> <EC2EA442-56FC-46B4-A1E2-97523029B7B3@mail.turbofuzz.com> <5388E5B4.3030002@bayphoto.com> <538BBEB7.4070008@bayphoto.com> <782C34792E95484DBA631A96FE3BEF20@multiplay.co.uk> <538C9CF3.6070208@bayphoto.com> <16ADD4D9DC73403C9669D8F34FDBD316@multiplay.co.uk> <538CB3EA.9010807@bayphoto.com> <6C6FB182781541CEBF627998B73B1DB4@multiplay.co.uk> <538CC16A.6060207@bayphoto.com> <F959477921CD4552A94BF932A55961F4@multiplay.co.uk> <538CDB7F.2060408@bayphoto.com> <88B3A7562A5F4F9B9EEF0E83BCAD2FB0@multiplay.co.uk> <538CE2B3.8090008@bayphoto.com> <85184EB23AA84607A360E601D03E1741@multiplay.co.uk>
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On 6/2/2014 2:15 PM, Steven Hartland wrote:
> ----- Original Message ----- From: "Mike Carlson" <mike@bayphoto.com>
>
>>> Thats the line I gathered it was on but no I need to know what the=20
>>> value
>>> of vd is, so what you need to do is:
>>> print vd
>>>
>>> If thats valid then:
>>> print *vd
>>>
>> It reports:
>>
>> (kgdb) print *vd
>> No symbol "vd" in current context.
>
> Dam optimiser :(
>
>> Should I rebuild the kernel with additional options?
>
> Likely wont help as kernel with zero optimisations tends to fail
> to build in my experience :(
>
> Can you try applying the attached patch to your src e.g.
> cd /usr/src
> patch < zfs-dsize-dva-check.patch
>
> The rebuild, install the kernel and then reproduce the issue again.
>
> Hopefully it will provide some more information on the cause, but
> I suspect you might be seeing the effect os have some corruption.
>
> Regards
> Steve
Well, after building the kernel with your patch, installing it and=20
booting off of it, the system does not panic.
It reports this when I mount the filesystem:
Solaris: WARNING: dva_get_dsize_sync(): bad DVA 131241:2147483648
Solaris: WARNING: dva_get_dsize_sync(): bad DVA 131241:2147483648
Solaris: WARNING: dva_get_dsize_sync(): bad DVA 131241:2147483648
Here is the results, I can now mount the file system!
root@working-1:~ # zfs set canmount=3Don zroot/data/working
root@working-1:~ # zfs mount zroot/data/working
root@working-1:~ # df
Filesystem 1K-blocks Used Avail Capacity=20
Mounted on
zroot 2677363378 1207060 2676156318 0% =
/
devfs 1 1 0 100% /dev
/dev/mfid10p1 253911544 2827824 230770800 1% =20
/dump
zroot/home 2676156506 188 2676156318 0% =20
/home
zroot/data 2676156389 71 2676156318 0% =20
/mnt/data
zroot/usr/ports/distfiles 2676246609 90291 2676156318 0% =20
/mnt/usr/ports/distfiles
zroot/usr/ports/packages 2676158702 2384 2676156318 0% =20
/mnt/usr/ports/packages
zroot/tmp 2676156812 493 2676156318 0% =20
/tmp
zroot/usr 2679746045 3589727 2676156318 0% =20
/usr
zroot/usr/ports 2676986896 830578 2676156318 0% =20
/usr/ports
zroot/usr/src 2676643553 487234 2676156318 0% =20
/usr/src
zroot/var 2676650671 494353 2676156318 0% =20
/var
zroot/var/crash 2676156388 69 2676156318 0% =20
/var/crash
zroot/var/db 2677521200 1364882 2676156318 0% =20
/var/db
zroot/var/db/pkg 2676198058 41740 2676156318 0% =20
/var/db/pkg
zroot/var/empty 2676156387 68 2676156318 0% =20
/var/empty
zroot/var/log 2676168522 12203 2676156318 0% =20
/var/log
zroot/var/mail 2676157043 725 2676156318 0% =20
/var/mail
zroot/var/run 2676156508 190 2676156318 0% =20
/var/run
zroot/var/tmp 2676156389 71 2676156318 0% =20
/var/tmp
zroot/data/working 7664687468 4988531149 2676156318 65% =20
/mnt/data/working
root@working-1:~ # ls /mnt/data/working/
DONE_ORDERS DP2_CMD NEW_MULTI_TESTING PROCESS
RECYCLER XML_NOTIFICATIONS XML_REPORTS
Mike C
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