Re: AMD-Vi IO_PAGE_FAULTs and ata3.00: failed command: READ FPDMA QUEUED errors since Linux 4.0

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On 10/09/2015 at 07:46 PM, Andreas Hartmann wrote:
> Hello Jörg,
> 
> On 10/09/2015 at 04:59 PM, Joerg Roedel wrote:
>> On Fri, Oct 09, 2015 at 11:15:05AM +0200, Andreas Hartmann wrote:
>>> v4.3-rc4 isn't usable at all for me as long as is hangs the machine on
>>> the necessary PCI passthrough for VMs (I need them).
>>
>> If the fix I just sent you works, could you please test this again with
>> a (patched) v4.3-rc4 kernel?
> 
> Your IOMMU-patch works fine - but the ata-problem can be seen here, too.
> Same behavior as with 4.1.10.
> 

Ok, this patch seems to fix the ata errors (I did a lot of tests until
now w/ v4.1.10 - but anyway I'm cautious):

http://thread.gmane.org/gmane.linux.scsi/104141/focus=104267

Would be nice to have it in all kernels (as stable patch too in 4.1.x).


Regards,
Andreas

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