linux-kernel - Re: [Regression] 2.6.25-rc4-git3: Handling of audio CDs broken on pata

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Date:	Tue, 11 Mar 2008 11:31:50 +0900
From:	Tejun Heo <htejun@...il.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
CC:	Andrey Borzenkov <arvidjaar@...l.ru>, linux-kernel@...r.kernel.org,
	linux-ide@...r.kernel.org
Subject: Re: [Regression] 2.6.25-rc4-git3: Handling of audio CDs broken on
 pata_ali

Rafael J. Wysocki wrote:
> On Monday, 10 of March 2008, Tejun Heo wrote:
>> Tejun Heo wrote:
>>> Tejun Heo wrote:
>>>> Rafael J. Wysocki wrote:
>>>>>>> where ata1 is:
>>>>>>>
>>>>>>> scsi0 : pata_ali
>>>>>>> scsi1 : pata_ali
>>>>>> Oh, is it only with audio CDs? I am unable to use DVD on pata_ali in DMA at
>>>>>> all. Have you tried to disable ATAPI DMA (libata.dma=1)?
>>>>> Data CDs seem to work fine here.
>>>> * Does booting into runlevel 1, putting in an audio cd and running
>>>> cdparanoia give the same result?
>>>>
>>>> * Does setting module parameter libata.force to "1.00:pio4" make any
>>>> difference?
>>> Oh, never mind.  I have a hunch.  I'll report back in a while.
>>>
>> Does the attached patch fix the problem?
> 
> Yes, it does.  Please push upstream.

Thanks for testing.  Will do.


-- 
tejun
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