Bug#437321: incompatible with kernel >=2.6.22 (Radeon Xpress 200M)
Zack Weinberg wrote:
> With driver .193 and this in xorg.conf, I see "AIGLX disabled' in the
> server log, but I still get the black screen.
The upstream developer says (on #xorg-devel in case you're interested):
"hmm this isn't very good, his gpu is just crashing"
Now he wants you to do
echo 1 > /sys/modules/drm/parameters/debug
before starting X, then start X and send the output of dmesg.
Sorry it is so long to debug, the support for your board is very young :(