From mboxrd@z Thu Jan  1 00:00:00 1970
From: Milan Broz <mbroz@redhat.com>
Subject: Re: [dm-devel] AMD-Vi IO_PAGE_FAULTs and ata3.00: failed command:
 READ FPDMA QUEUED errors since Linux 4.0
Date: Fri, 31 Jul 2015 10:28:53 +0200
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To: Andreas Hartmann <andihartmann@freenet.de>, device-mapper development <dm-devel@redhat.com>, Ondrej Kozina <okozina@redhat.com>
Cc: linux-pci <linux-pci@vger.kernel.org>, Mike Snitzer <msnitzer@redhat.com>, mpatocka@redhat.com
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On 07/31/2015 09:55 AM, Andreas Hartmann wrote:
> On 07/31/2015 at 09:23 AM, Milan Broz wrote:

...

>> - if you disable NCQ, the problems goes away?
> 
> As I already wrote in another post - than other error came up instead
> (radeon). But I will try it especially again in conjunction w/
> --perf-submit_from_crypt_cpus --perf-same_cpu_crypt.

Yes, I know, But this is probably just some unfortunate side effect,
this code definitely does not relate to Radeon code.
(Could be some minor compiler change, whatever...)

Thanks,
Milan