From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andreas Hartmann <andihartmann@freenet.de>
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 10:15:17 +0200
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To: Milan Broz <mbroz@redhat.com>, 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 at 09:55 AM Andreas Hartmann wrote:
> On 07/31/2015 at 09:23 AM, Milan Broz wrote:
>> On 07/30/2015 10:30 PM, Andreas Hartmann wrote:
[...]
>>> - rotational disks alone: it's ok
>>> - more than 3 partitions on ssd Corsair Force GT -> broken
>>> - more than 3 partitions on ssd KINGSTON SV300S37A240G -> broken
>>
>> - 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.

Combining all three options (noncq, --perf-submit_from_crypt_cpus and
--perf-same_cpu_crypt) seem to "work".


Regards,
Andreas