Hi Nicolas, unfortunately, Andres didn't Cc you, so I'm quoting his reply:
Andres Cimmarusti <acimmaru...@gmail.com> (01/04/2010): > Hi, > > I was getting similar problems with a laptop I have, but it was > resolved a couple of radeon updates back. > > Is this still a problem with the newer radeon driver from squeeze > (also newer kernel and mesa)? (make sure you have libdrm-radeon1, > firmware-linux-nonfree and firmware-linux installed). If problem > persists, 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 > from experimental). 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). > > What Desktop environment are you running? If gnome I recommend you > don't do your dual screen setup in your xorg.conf file. If you > specify enough virtual size as you've done, gnome should do it > automatically for you (this is what happens with a couple of laptops > I have). You can also simply use xrandr. Simply put the "right" > command in a file in /etc/X11/Xsession.d/ (I assume this would work > perfectly in KDE and others). > > This is a valuable resource: > http://www.jejik.com/articles/2008/10/setting_up_dual_monitors_system-wide_with_xrandr_on_debian_lenny/ It would be nice to let us know how it goes with squeeze's or sid's X stack. KiBi.
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