I have exactly the same problem. For details please see my post at linuxquestions.org:
http://www.linuxquestions.org/questions/showthread.php?t=555305 I'm currently running 2.6.20-16-386. In the forum posts that I linked you to, I was running 2.6.20-15-386. Despite this upgrade, the problem persists. -- When idle and screensaver gets active. GLX becomes amazingly slow https://bugs.launchpad.net/bugs/29920 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs