On Thu, May 17, 2018 at 7:43 AM, Andriy Gapon <a...@freebsd.org> wrote:
> On 17/05/2018 02:07, Johannes Lundberg wrote:
> > https://github.com/freebsd/freebsd/commit/66f063557f257baa9c8aeab9f93317
> > x86 cpususpend_handler: call wbinvd after setting suspend state bits
> That's very interesting and surprising.
> That commit changes something that happens before suspend, it should not
> any effect on the system state after resume.
> Does anyone have a theory of what could be wrong?
Nope but moving
back to the end of that scope fixes it.
> > How to test (i915kms)
> > Start X with glxgears
> > Confirm running stable at 60 fps
> > suspend/resume (S3)
> > glxgears is now fluctuating between 10-40 fps.
> Andriy Gapon
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