I am experiencing the same situation described above with following video card:
product: RV370 5B60 [Radeon X300 (PCIE)] vendor: ATI Technologies Inc in dual-head mode using Xinerama. I am not using Compiz, too. -- GL screensaver hangs when using multiple displays https://bugs.launchpad.net/bugs/200804 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