Bug#549196: xserver-xorg-video-intel: new driver switch main and slave screen in multiscreen configuration
Salut Vince,
On Thu, Oct 1, 2009 at 13:13:37 +0200, Vincent Danjean wrote:
> I do not know if this bug is for the intel driver or the xorg server. Please,
> reassign if I made a mistake.
>
> At work, I've two screen: the internal LCD panel of my laptop and an external
> DVI screen plug into a dock for the laptop. So, when after docking my laptop,
> I use the following command line to get a large Desktop spreading of the two
> screen:
> xrandr --output LVDS --auto --right-of TMDS-1 --output TMDS-1 --auto
>
> I do not know the internal of xorg, but gnome see one of the screen as the
> "main" one (where it puts its panels) and the second as a "slave" one (with
> only the background and windows manually put here)
>
> Before my upgrade, the DVI screen was the main one and the LCD panel was the
> slave one. After the upgrade, it is the reverse.
>
> Can you either:
> - switch back to the previous behavior (I configurate software AND place my
> hardware the work efficiently with the previous setup)
> - or provide a way for a user to decide which screen should be the "main" one.
>
'xrandr --output TMDS-1 --primary' should fix this. And xserver 1.7
adds a "Primary" option in xorg.conf's Monitor section to make that
permanent. (Please close the bug if that fixes your problem.)
Cheers,
Julien
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