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Date:      Tue, 02 Feb 2010 19:42:53 +0200
From:      Andriy Gapon <avg@icyb.net.ua>
To:        Julian Elischer <julian@elischer.org>
Cc:        freebsd-fs@freebsd.org, Stephane LAPIE <stephane.lapie@darkbsd.org>, freebsd-hardware@freebsd.org
Subject:   Re: [zfs][hardware] Reproducible kernel panic in 8.0-STABLE
Message-ID:  <4B68641D.9000201@icyb.net.ua>
In-Reply-To: <4B686324.2090308@elischer.org>
References:  <4B682972.6030604@darkbsd.org> <4B682F29.90505@icyb.net.ua> <4B686324.2090308@elischer.org>

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on 02/02/2010 19:38 Julian Elischer said the following:
> Andriy Gapon wrote:
>> on 02/02/2010 15:32 Stephane LAPIE said the following:
>>> I have a case of kernel panic that can be consistently reproduced, and
>>> which I guess is related to the hardware I'm using (Marvell controllers,
>>> check my pciconf -lv output below).
>>>
>>> The kernel panic message is always, consistently, the following :
>>>
>>> Sleeping thread (tid 100021, pid 0) owns a non-sleepable lock
>>
>> I probably won't be able to help you, but to kickstart debugging could
>> you please
>> run 'procstat -t 0' and determine what kernel thread has tid 100021 on
>> your system?
> 
> or in the kernel debugger after the panic, do: bt

I think that in this case it may not help.  I mean the stack trace.
Because, I think that this panic happens after the taskqueue thread is done with
its tasks and is parked waiting.

> you DO have options kdb and ddb right?  (I never leave home without them)
> 


-- 
Andriy Gapon



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