This bug seems to occur when surfaces between 1009 and 1024 pixels in either width or height are drawn. See this bug for reference: https://bugs.launchpad.net/docky/+bug/480267
This comment in particular: https://bugs.launchpad.net/docky/+bug/480267/comments/6 -- [i915] Major performance regression in Karmic https://bugs.launchpad.net/bugs/440986 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