Bug#613264: xserver-xorg-video-intel: driver does not always restore the LVDS1 display on clone setup after using openGL
tag 613264 moreinfo
kthxbye
On Sun, Feb 13, 2011 at 20:50:38 +0100, Thomas Richter wrote:
> Package: xserver-xorg-video-intel
> Version: 2:2.13.0-5
> Severity: normal
>
> *** Please type your report below this line ***
>
> If tiling is enabled and VGA1 output is connected to a secondary
> display, and then a program is started that uses 3D graphics and
> rendering acceleration
> (as for example tuxracer), and the program is terminated, then
> sometimes(!) the output
> on VGA1 remains active, but the LVDS1 (laptop display) remains blank
> and cannot be
> reenabled by any means but restarting the X server. It is not
> possible to re-enable
> the laptop screen by turning the VGA output off (then both screens
> remain blank) or re-
> setting the LVDS1 xrandr panning or framebuffer settings. The best
> one can get out of
> the machine in this state is:
>
> xrandr: Configure crtc 1 invalid time
>
Sounds like bad interaction between XF86VidMode and randr, possibly a
core xserver bug...
Is this reproducible on intel 2.16 and X 1.11?
Cheers,
Julien
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