linux-kernel - Re: [3/5] 2.6.21-rc4: known regressions (v2)

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Message-ID: <m1odmi4gx5.fsf@ebiederm.dsl.xmission.com>
Date:	Sat, 24 Mar 2007 12:47:50 -0600
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Thomas Meyer <thomas@...3r.de>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [3/5] 2.6.21-rc4: known regressions (v2)

Thomas Meyer <thomas@...3r.de> writes:

> Eric W. Biederman schrieb:
>> Thomas Meyer <thomas@...3r.de> writes:
>>
>>   
>>> Adrian Bunk schrieb:
>>>     
>>>> Subject    : second suspend to disk in a row results in an oops  (libata?)
>>>> References : http://lkml.org/lkml/2007/3/17/43
>>>> Submitter  : Thomas Meyer <thomas@...3r.de>
>>>> Status     : unknown
>>>>   
>>>>       
>>> The problem is identified: http://lkml.org/lkml/2007/3/22/150
>>>     
>>
>> Given the description above I'm a little confused.  Doesn't this
>> happen every time now?
>>   
> With current git head the oops happens in the second suspend to disk
> attempt in a row.

Odd.  I would have thought the oops happened in the first resume, not
the second. 

Hmm.  It may have something to do with the ``managed'' driver
aspect of this as well..

>> Or was this happening only the second time before I started my msi
>> fixes... 
>>   
> So i think, that the current git head already contains your msi fixes.

Yes it does.

> I don't know if this already happend before your msi changes, but i can
> test 2.6.20 if you like to?

Sure.  A data point if you boot with nomsi or have a kernel compiled
without msi support would be interesting as well.

As the problem case may not show up without msi support in the picture.

Eric

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