linux-kernel - Re: 2.6.{30,31} x86_64 ahci problem

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Message-ID: <4ABBCBE1.9030805@sbg.ac.at>
Date:	Thu, 24 Sep 2009 21:43:29 +0200
From:	Alexander Huemer <alexander.huemer@....ac.at>
To:	Frans Pop <elendil@...net.nl>
CC:	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org
Subject: Re: 2.6.{30,31} x86_64 ahci problem - irq 23: nobody cared

Frans Pop wrote:
> On Thursday 24 September 2009, Frans Pop wrote:
>   
>>> error message from .31:
>>>  [157152.418524] irq 23: nobody cared
>>>       
>> If no others reply and the issue can be reproduced reliably, running a
>> git bisect between v2.6.29 and v2.6.30 to trace the cause of the
>> regression could be an option.
>>     
>
> Looking at the changes in drivers/ata/ahci.c, it might be worth to try if 
> reverting the following commit fixes the issue:
>
> commit a5bfc4714b3f01365aef89a92673f2ceb1ccf246
> Author: Tejun Heo <tj@...nel.org>
> Date:   Fri Jan 23 11:31:39 2009 +0900
>
>     ahci: drop intx manipulation on msi enable
>
> It's a bit of a wild guess though.
>   
thanks for the hint.
i'll wait for the end of the compilation of gcc-4.3.4. that will take ~ 45m.
afterwards i'll check out the kernel sources from git and try the revert.
many thanks till then.

-alex
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