On Mon, May 15, 2017 at 02:37:16PM -0230, Jonathan Anderson wrote: > On 15 May 2017, at 7:26, Konstantin Belousov wrote: > > > > Try this. If it works, I will write a proper patch. > > > > diff --git a/sys/amd64/amd64/cpu_switch.S > > b/sys/amd64/amd64/cpu_switch.S > > index 33437ad16e6..9c0cd05ebea 100644 > > --- a/sys/amd64/amd64/cpu_switch.S > > +++ b/sys/amd64/amd64/cpu_switch.S > > _at__at_ -369,6 +369,11 _at__at_ END(savectx) > > * Resuming processor state from pcb. > > */ > > ENTRY(resumectx) > > + movl $MSR_EFER,%ecx > > + rdmsr > > + orl $EFER_NXE,%eax > > + wrmsr > > + > > /* Switch to KPML4phys. */ > > movq KPML4phys,%rax > > movq %rax,%cr3 > > Running drm-next (which has -CURRENT last merged somewhere around > r317651), this patch fixes one of the two problems I've been > experiencing with suspend/resume. Definite progress. :) Could you, please, clarify. Does the resume work after this ? If not, how did you diagnosed that 'one of two problems' is solved with the change ?Received on Mon May 15 2017 - 15:27:32 UTC
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