Many processes stuck in zfs

[Lorenzo Perone]

Hi all,

Any updates on this thread/issue? was following it with some interest, 
as I'm planning to set up a similar environment (periodical send/recv on 
live systems).

big regards,

Lorenzo


On 15.03.10 09:32, Borja Marcos wrote:
>
> On Mar 13, 2010, at 4:24 PM, Pawel Jakub Dawidek wrote:
>
>> On Fri, Mar 12, 2010 at 11:12:49AM +0100, Borja Marcos wrote:
>>>
>>> On Mar 10, 2010, at 6:31 PM, Pawel Jakub Dawidek wrote:
>>>
>>>> Hmm, interesting. Especially those two traces:
>>>>
>>>> Tracing command zfs pid 1820 tid 100105 td 0xffffff0002ca4000
>>>
>>> Just in case something was wrong, I wiped the two virtual machines and started everything again. The two virtual systems were acting a bit weird, giving lots of LORs. I don't know why, maybe something was corrupted, these virtual machines have been panicked and restarted many times.
>>>
>>> So, experiment repeated again, fresh start. Still deadlocking pretty soon if I start, say, 5 or 6 tar processes. Traces follow.
>>
>> Are you able to dump the kernel memory and make it available for me
>> somewhere? I'd need to look at it wit GDB, as DDB is not enough here,
>> I'm afraid.
>
> Sure. Do you have access to VMWare Fusion? I can create a snapshot of the deadlocked system and make it available to you.
>
>
>
>
>
> Borja.
>
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