Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1497167

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

Show all headers | View raw

[Multipart message — attachments visible in raw view] - view raw

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

Hello,

The culprit commit seems to be:

commit: ed4a6a7
drm/i915: Add two-stage ILK-style watermark programming

Attached the bisection log.

Let me know if additional test or bisect is needed.

Best regards,

Gaston

Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

xrandr fails after resume from hibernation in kernels 4.7.4 and 4.8.0 Gaston Gonzalez <gascoar@gmail.com> - 2016-10-05 01:50 +0200
  Re: xrandr fails after resume from hibernation in kernels 4.7.4 and  4.8.0 Greg KH <gregkh@linuxfoundation.org> - 2016-10-05 07:30 +0200
    Re: xrandr fails after resume from hibernation in kernels 4.7.4 and  4.8.0 Gaston Gonzalez <gascoar@gmail.com> - 2016-10-05 12:20 +0200
    Re: xrandr fails after resume from hibernation in kernels 4.7.4 and  4.8.0 Gaston Gonzalez <gascoar@gmail.com> - 2016-10-07 15:50 +0200

csiph-web