Hi, I use two monitors with an ATI Radeon HD 4850 card on an amd64 system. I had this configured and running since last October using the proprietary ATI driver I downloaded myself.
After upgrading (I run Debian/unstable) a few days ago, this broke.
At first, the system came up in "screen clone" mode, rather than
extending the desktop across both monitors. I tried a few things with
xorg.conf, eventually running "dpkg-reconfigure -phigh xserver-xorg"
which results in a tiny config:
Section "Device"
Identifier "Configured Video Device"
EndSection
This made things worse (no graphics) so I finally removed the
proprietary driver and reinstalled all xorg packages. Now I
do have graphics again.
However, I still cannot get the desktop extended across both monitors.
I can either get one monitor or a clone mode, but xrandr fails this
command:
$ xrandr --output DVI-0 --left-of DVI-1
xrandr: screen cannot be larger than 2048x1600 (desired size 3200x1200)
(Each monitor runs in 1600x1200 resolution)
Has anyone run into this and solved it?
I also fiddled around with installing the newest version of
the proprietary drivers, but it requires 32-bit versions of
libGL and such. I didn't find these in the archive -- am I
just overlooking them?
Thanks,
-Steve
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