zfs: panic on import

[Johannes Totz]

On 15/11/2011 19:31, Johannes Totz wrote:
> On 15/11/2011 19:24, Freddie Cash wrote:
>> On Tue, Nov 15, 2011 at 11:14 AM, Johannes
>> Totz<jtotz at imperial.ac.uk>wrote:
>>
>>> I get a lovely panic everytime i try to import my pool.
>>>
>>> panic: page fault
>>> ...
>>> #5 ... calltrap
>>> #6 ... zio_vdev_io_start
>>> #7 ... zio_execute
>>> #8 ... zio_ioctl
>>> #9 ... zio_flush
>>> #10 ... vdev_config_sync
>>> #11 ... spa_sync
>>> #12 ... txg_sync_thread
>>> #13 ... fork_exit
>>> #14 ... fork_trampoline
>>>
>>> This is for a funky config in which one half of a zfs-mirror sits on a
>>> local gpt partition and the other half on a local file on a ufs volume
>>> (dont ask why).
>>>
>>> The machine is running a 8.2-stable, compiled on 5th Sept 2011.
>>>
>>> Maybe r226617 fixed this?
>>> Any idea how to get it back alive?
>>>
>>
>> Have you tried "import -F" or to import it readonly?
>
> Same panic.
>
> Also, I can delete/rename the second-half-on-ufs of the mirror but that
> gets me the same panic; instead of just a degraded pool.

Ugh... and OpenIndiana does not read GPT...

Does anybody have a very recent FreeBSD live cd/dvd image that I could try?