Re: xrandr fails after resume from hibernation in kernels 4.7.4 and 4.8.0

From: Gaston Gonzalez
Date: Wed Oct 05 2016 - 06:12:56 EST


On Wed, Oct 05, 2016 at 07:23:23AM +0200, Greg KH wrote:
> On Tue, Oct 04, 2016 at 08:43:03PM -0300, Gaston Gonzalez wrote:
> > Hi,
> >
> > After hibernation I get the following error when I tried to connect to monitor
> > through hdmi:
> >
> > $ xrandr --output LVDS1 --off --output HDMI1 --auto
> > xrandr: Configure crtc 1 failed
> >
> > This does not happen in kernel in kernel v4.6.7 but do happen in kernels v4.7.4
> > and v4.8.0
>
> Ah, can you use 'git bisect' to track down the offending patch?
>
> Also, if you let the graphics driver authors know, they are probably the
> best ones to help out with this, not the "generic" stable mailing list.
>
> thanks,
>
> greg k-h

Ok, I'll bisect this between v4.6.7 and v4.7.4

Added intel-gfx@xxxxxxxxxxxxxxxxxxxxx in CC.

regards,

Gaston