linux-kernel - Re: 2.6.29 regression: ATA bus errors on resume

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Message-ID: <49DA489E.1030801@gmail.com>
Date:	Mon, 06 Apr 2009 20:23:26 +0200
From:	Niel Lambrechts <niel.lambrechts@...il.com>
To:	Tejun Heo <tj@...nel.org>
CC:	"linux.kernel" <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.29 regression: ATA bus errors on resume

On 04/06/2009 12:09 PM, Tejun Heo wrote:
>
>> Will the fix naturally make its way into the mainline kernel, or is
>> there any extra debugging/testing I can help with?
>>     
>
> Well, the problem is the debug patch doesn't actually do anything
> other than printing out messages.  It could be that the problem is
> timing dependent (which is likely anyway).  You still can reporduce
> the problem with the patch, right?
>   
Heh? You provided two patches, with the last one you said:
> Strange.  Maybe IO commands are getting through while the sdev is
> still in quiesce state?  Can you please repeat the test with the
> attached patch?
>   
With the latter, I have not encountered the original problem i.e. any
severe EXT4 corruption again, not in 2.6.29 and not in 2.6.29.1.

Do I also need to try the last patch without any debugging messages?

cheers
Niel
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