[dm-devel] AMD-Vi IO_PAGE_FAULTs and ata3.00: failed command: READ FPDMA QUEUED errors since Linux 4.0

[Ondrej Kozina]

On 07/28/2015 11:24 PM, Mike Snitzer wrote:
>>
>> I am willing to do tests if you have any idea to be tested - I can
>> reproduce it quite easily.
>
> You can try disabling dm-crypt's parallelization by specifying these 2
> features: same_cpu_crypt submit_from_crypt_cpus
>

Hi,

please try adding follwoing cryptsetup perf. options while unlocking 
your LUKS containers: --perf-submit_from_crypt_cpus and 
--perf-same_cpu_crypt.

Perhaps focus on SSD disk as previous unresolved report mentioned SSD too

Regards
O.