[alsa-devel] [1/2] 2.6.22-rc6: known regressions v2

[Chuck Ebbert]

On 06/29/2007 12:59 PM, Alan Cox wrote:
>> SATA/PATA
>>
>> Subject    : libata IT821X driver still fails! Hard-freezes system
>> References : http://lkml.org/lkml/2007/6/14/82
>> Submitter  : Rodney Gordon II <meff at spherevision.org>
>> Status     : unknown
> 
> Not a regression as it seems this user's box has always been broken. I've
> been running heavy testing with 2.6.22rc6 and IT8212 and its working
> reliably for the "dumb" mode in question.
> 
> The hardware mode needs a fix Tejun has queued somewhere (probably in
> Jeff's vast backlog) and then works too.
> 
> I'm not even sure this report is IT8212 related rather than just an IRQ
> storm

Why does the driver report "irq 0"?

ata7: PATA max UDMA/133 cmd <blah> ctl <blah> bmdma <blah> irq 0  <====

Above that, the ACPI layer says it assigned IRQ 20