Bug#233780: xserver-xfree86: DRI for Radeon Mobility M6 LY hangs

[Jason Kraftcheck <kraftche@cae.wisc.edu>]

My mistake.  I was using the old (4.2) version of xlibmesa-dri.  However, 
with the correct version, I cannot get DRI to work at all.  When X starts 
up, I get:
 (II) RADEON(0): Direct rendering enabled
which looks fine.  However, glxinfo reports:
 name of display: :0.0
 display: :0  screen: 0
 direct rendering: No
 ...
 OpenGL renderer string: Mesa GLX Indirect
 OpenGL version string: 1.3 Mesa 4.0.4
and apps have the performance I'd expect for software rendering.

Also, some apps (the "molecule" GL xscreensaver) seem to have problems 
determining the screen size.  The screen saver is drawn at what looks like 
1024x728 in the middle of a 1280x1024 screen.  I suspect this might be a 
driver bug because 1024x728 happens to be the resolution of the LCD that 
is the primary display for the laptop I'm working with.  X is currently 
drawing to an external CRT at 1280x1024 with the internal LCD disabled.