I was using no desktop effects. Turning on normal desktop effects appears to make the issue go away as far as I can tell from limited testing - it's certainly much harder to reproduce if present.
I am using the i810 video driver with: 00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller (rev 03) Subsystem: Dell Unknown device 01d6 Flags: bus master, fast devsel, latency 0 Memory at eff80000 (32-bit, non-prefetchable) [size=512K] Capabilities: [d0] Power Management version 2 -- Redraw problems https://bugs.launchpad.net/bugs/154282 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs