Re: [Regression] 2.6.25-rc4-git3: Handling of audio CDs broken onpata_ali

From: Tejun Heo
Date: Mon Mar 10 2008 - 22:32:37 EST


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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