Bug#523972: update

[Michal Suchanek <hramrach@centrum.cz>]

On 1 April 2010 16:27, Andres Cimmarusti <acimmarusti@gmail.com> wrote:
> Hello Michal and Mark,
>
> @Mark:
>
> I don't know if this will help: Gnome tends to overrule your xrandr

Not running Gnome here.

> configuration (only in lenny, squeeze doesn't have this problem with the
> computer I've tried). Try disabling gnome xrandr plugin. To do this, go to
> gconf-editor, browse /apps/gnome-settings-daemon/plugins/xrandr and uncheck
> the "active" entry (Important, you will have to place a file with an
> appropiate xrandr initial configuration in /etc/X11/Xsession.d/ a sample is
> given in the link below).
>
> You could also try a simpler xorg.conf. Try NO options for the external
> monitor and set everything up in the xrandr conf file
>
> If you want more info, this helped me a great deal:
> http://www.jejik.com/articles/2008/10/setting_up_dual_monitors_system-wide_with_xrandr_on_debian_lenny/
>
> @Michal:
>
> Is this still a problem with the newer radeon driver from squeeze? If so,
> could you try getting the even newer one from sid (you'll need a newer
> kernel as well, either 2.6.32-10 from sid or 2.6.33-1 from experimental).

I am no longer using the card. I got an older one which has support
for acceleration and thus screen rotation.

> For this you will need to enable Kernel modesetting. add radeon to
> /etc/modules and put options radeon modeset=1 in
> /etc/modprobe.d/radeon-kms.conf (you'll probably need to create the file).
>

You don't really need modesetting, even with these newer drivers.
Actually it usually causes more trouble than it solves on Radeon with
the current drivers and kernels in Debian but YMMV. The collection of
bugs you get with KMS is certainly different from the one you get with
UMS.

Thanks

Michal