On 20/11/15 11:04, vas...@iit.demokritos.gr wrote:
>> I've just found a potential issue: In case MTRR is disabled by the BIOS
>> the PAT register of the boot processor won't be restored after resume.
>>
>> Can you check whether pr_info("MTRR: Disabled\n") has been executed in
>> early boot? If yes, this might be a BIOS option.
>>
>
> I don't have access right now. I will test it later tonight (This is my
> home machine).
>
> Would $dmesg | grep -i mtrr suffice or I need to look for the mtrr
> somewere else e.g. /proc /sys etc?
I think grepping for MTRR in dmesg should be enough.
Juergen
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