On 01.07.2015 01:44, alfon wrote: > > Section "Extensions" > Option "Composite" "Disable" > EndSection
Why are you disabling this? If the desktop environment (DE) you're using (which is it?) supports compositing, that might alleviate the problem. > Section "ServerFlags" > Option "AIGLX" "off" > Option "DRI2" "off" > EndSection Disabling AIGLX isn't a good idea either. I don't think Option "DRI2" has any effect. > Option "EXAVSync" "on" [...] > Option "ColorTiling" "off" > Option "ColorTiling2D" "off" > Option "EXAPixmaps" "on" Does commenting out these options help? > Option "EnablePageFlip" "off" I recommend against disabling this. > Virtual 2944 1080 This Virtual directive is unnecessary with KMS and causes the driver to allocate at least twice as much VRAM as necessary for the front buffer. Please try commenting it out. > If I turn off hardware acceleration, the X environment is usable but still > more slow than I used in UMS mode. In UMS mode (option radeon modeset=0) > the Xorg window system directly crash The Xorg radeon driver doesn't support UMS anymore. -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Mesa and X developer -- To UNSUBSCRIBE, email to debian-x-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/5593aa15.5090...@daenzer.net
