Thanks to Alex Deucher on the xorg mailing lists I found the corresponding xorg bug and a workaround:
Bug 18397: http://bugs.freedesktop.org/show_bug.cgi?id=18397 Adding this to my xorg.conf under the "Device" section fixed it for me: Option "EXANoDownloadFromScreen" "true" ** Bug watch added: freedesktop.org Bugzilla #18397 https://bugs.freedesktop.org/show_bug.cgi?id=18397 -- Thunderbird shows graphic error after update to jaunty using radeon driver https://bugs.launchpad.net/bugs/363287 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
