Met same bug. System: Natty (Ubuntu Classic session), i386, proprietary nVidia driver. Screenshot attached.
** Attachment added: "Shadow artifact in Natty" https://bugs.launchpad.net/ubuntu/+source/metacity/+bug/647127/+attachment/2240040/+files/shadow-artifact.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/647127 Title: Persistent compositing glitches To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/metacity/+bug/647127/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs