Many processes stuck in zfs

[Borja Marcos]

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.