Comment # 10 on bug 1134805 from Felix Miata

Created attachment 804863 [details]
Xorg.0.log after uninstalling xf86-video-ati but without comment 7's
50-device.conf

[   336.279] (WW) glamor requires at least 128 instructions (64 reported)
[   336.279] (EE) modeset(0): Failed to initialize glamor at ScreenInit() time.
[   336.279] (EE) 
Fatal server error:
[   336.279] (EE) AddScreen/ScreenInit failed for driver 0
[   336.279] (EE) 
[   336.279] (EE) 

Adding comment 7's 50-device.conf made a 120 byte smaller log, but with same
tail here pasted.