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SubjectRe: ATA failure regression in kernel 4.2
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On 2015/7/31 18:38, Alexander Holler wrote:
> Am 28.07.2015 um 20:37 schrieb Alexander Holler:
>
>> Same problem here with the AMD SATA controller (1022:7801). It failed to
>> identify the second disk when using 4.2-rc4.
>>
>> nointremap helped, nothing else tested
>
> A quick look at the change history and two tests are suggesting that the
> right one already is in cc.
>
> commit
>
> f7fa7ae x86/irq: Avoid memory allocation in __assign_irq_vector()
>
> fails while
>
> af87bae x86/htirq: Use new irqdomain interfaces to allocate/free IRQ
>
> works. Inbetween almost all changes are from Jiang Liu.
>
> Haven't bisected it up to now but might do it later.
Hi Alexander,
Really thanks for you help. I have debugged this regression
for a whole day without any progress:( Everything seems correct to me,
and I have no hardware to reproduce and debug it. Still need more time:(
Thanks!
Gerry


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