OK have been able to try this again Deleting the xorg.conf (I normally have an nvidia card) and booting the computer caused no desktop effects to be enabled. If I try to launch 'glxinfo' I get a segfault. 'glxgears' just tells me
Xlib: extension "GLX" missing on display ":0.0". Error: couldn't get an RGB, Double-buffered visual I get exactly the same when I add Option "AccelMethod" "EXA" to the (almost empty) xorg.conf. Pertinent snippets from Xorg.log : (**) RADEON(0): Using EXA acceleration architecture (II) Loading sub module "exa" (II) LoadModule: "exa" (==) RADEON(0): Not using accelerated EXA DownloadFromScreen hook (II) RADEON(0): Render acceleration enabled for R300/R400/R500 type cards. (II) RADEON(0): Setting EXA maxPitchBytes (II) RADEON(0): num quad-pipes is 1 (II) EXA(0): Offscreen pixmap area of 25841664 bytes (II) EXA(0): Driver registered support for the following operations: (II) Solid (II) Copy (II) Composite (RENDER acceleration) (II) UploadToScreen (II) DownloadFromScreen I can confirm that previousl the Xorg.log spoke only of XAA Intrepid with all current updates applied: ii xserver-xorg-video-ati 1:6.9.0+git20081003.f9826a56-0ubuntu2 ii xserver-xorg-video-radeon 1:6.9.0+git20081003.f9826a56-0ubuntu2 -- Visual effects on Radeon X300 RV370 5B60 https://bugs.launchpad.net/bugs/156905 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
