Messages in this thread | | | Subject | Re: Hibernate resume bug around 3,18-rc2 - Full PAT support | From | Juergen Gross <> | Date | Fri, 20 Nov 2015 13:23:49 +0100 |
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On 20/11/15 11:04, vasvir@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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