ZFS import panic with r219703

[Freddie Cash]

On Thu, Mar 17, 2011 at 9:24 AM, Freddie Cash <fjwcash at gmail.com> wrote:
> On Wed, Mar 16, 2011 at 4:03 PM, Freddie Cash <fjwcash at gmail.com> wrote:
>> Anytime I try to import my pool built using 24x HAST devices, I get
>> the following message, and the system reboots:
>>
>> panic: solaris assert: dmu_free_range(os, smo->smo_object, 0, -1ULL,
>> tx) == 0, file:
>> /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/space_map.c,
>> line: 484
>>
>> Everything runs nicely if I don't import the pool.
>>
>> Doing a "zpool import" shows that one of the HAST devices is FAULTED
>> "corrupted data".
>>
>> Haven't tried anything to remove/replace the faulted device, just
>> wanted to see if anyone knew what the above error meant.
>>
>> Pool was created using r219523 and successfully copied over 1 TB of
>> data from another ZFS system.  Had some issues with gptboot this
>> morning and the system locking up and rebooting a bunch, and now the
>> pool won't import.
>
> Hrm, it looks like the "pool roll-back on import" feature is working.
>
> # zpool import -F -d /dev/hast storage
>
> The above command imported the pool successfully.  No dmu_free_range()
> errors.  No solaris assert.  No kernel panic.  Will try hammering on
> the system a bit to see if that sticks or whether the space_map errors
> show up again.

Damn, of course that would be too easy.  :(  Adding or removing any
data from the pool still causes it to panic with the dmu_free_range()
assertion.

-- 
Freddie Cash
fjwcash at gmail.com