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SubjectRe: sata dvdroms fails to be recognized by MCP55 controller with the 2.6.26.5 kernel
Andrew Morton wrote:
> (cc linux-ide)
>
> On Tue, 30 Sep 2008 00:01:34 +0100 gettinther <gettinther@gmail.com> wrote:
>
>> Hi,
>>
>> I'm currently trying to get the 2.6.26.5 kernel to work but cannot get
>> the sata dvdrom to be recognized by the MCP55. The controller works
>> with the 2.6.24.4 and 2.6.25.17 kernels. I had to use
>> CONFIG_ACPI_DOCK=y for the 2.6.25.17 but this did not work with the
>> 2.6.26.5. The problem has been confirmed on at least 2 machines.
>
> It's a regression.
>
>> I have tried various boot options (pci=nomsi, acpi=off and any other
>> relevant code I could find) but nothing seems to work. The odd thing
>> is the sata dvdrom was recognized twice by the 2.6.26.5 kernel (2
>> different kernel tests) for no apparent reason (could not get it to
>> work afterward).
>>
>> Here's the cut info for each kernel from /var/log/messages (2.6.25.17,
>> 2.6.26.5 working, 2.6.26.5 not working). If you require further
>> information I can submit it. I don't want to put too much on the first
>> message.

Does irqpoll help?

--
tejun


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