I followed the hint mentioned above by Luca from bug 359600 and disabled uxa then added these lines in xorg:
Option "AccelMethod" "EXA" Option "MigrationHeuristic" "greedy" While it did boost performance somewhat, it was still very sluggish. -- (Needs UXA) Kubuntu Jaunty Intel 945 GM - Poor sluggish graphics performance in Kate text, etc. https://bugs.launchpad.net/bugs/342923 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