Bug#551635: xserver-xorg-video-intel: [G45] KMS conflicts with xrandr when changing monitor

[Julien Cristau <jcristau@debian.org>]

On Sat, Oct 24, 2009 at 10:18:54 +0200, roberto_g@libero.it wrote:

> I tried again with this stuff. I recently updated to the latest sid 
> packages. Xrandr is not working at all with KMS: no errors, no messages, 
> just does nothing.
> 
> 
> On lun 19 ott 2009, Brice Goglin wrote:
> > More details please. What monitors do you have plugged where?
> 
> I have TV (1360x768@60Hz) on vga, and main LCD monitor on DVI 
> (1280x1024@75Hz)
> 
> > What
> > xrandr command-line did you use?
> 
> I use an own made script, associated to global shortcut of kde:
> 
> if (test -f /dev/shm/TV_ON ) then
>         xrandr --output HDMI-1 --mode 1280x1024 --rate 75.0
>         sleep 5
>         xrandr --output VGA --off
>         rm -f /dev/shm/TV_ON
> else
>         xrandr --output VGA --mode 1360x768 --rate 60.0
>         sleep 5
>         xrandr --output HDMI-1 --off
>         touch /dev/shm/TV_ON
> fi
> 
> > Does it break when switching from DVI
> > to VGA,
> > VGA to DVI
> > or both?
> 
> the script above do not have any effect, just like an empty line.
> 
the script above assumes output names from UMS.  They're different with
KMS, so you need to adapt your script.

Cheers,
Julien