Re: workqueue destruction BUG_ON

[Tejun Heo]

Hello,

On 08/24/2010 05:52 PM, Johannes Berg wrote:
> On Tue, 2010-08-24 at 16:56 +0200, Tejun Heo wrote:
>> On 08/24/2010 03:23 PM, Johannes Berg wrote:
>>>> I see, thanks for verifying.  I probably got confused about the line
>>>> number.  Hmm... weird.  I'll prep further debug patch but can you
>>>> please tell me what you did to trigger the bug?
>>>
>>> Not really sure. I think I need to trigger a firmware restart in iwlwifi
>>> and then try to unload the module.
>>
>> Does the following patch fix the problem?
> 
> Not sure. I can't seem to reproduce the exact conditions (firmware
> crash) right now... However I just ran into the WARN_ON_ONCE() your
> previous patch added as well, so that might explain the ath9k problem...

Can you please post the log of the WARN_ON_ONCE()?  That's something
which needs to be fixed from the caller.

Thanks.

-- 
tejun
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