Krisztián Tresó, thank you for reporting this bug to Ubuntu. 12.04.3 reached EOL on August, 2014. For more on this, please see https://wiki.ubuntu.com/Kernel/LTSEnablementStack and https://wiki.ubuntu.com/Releases .
Is this an issue on a supported release? If so, please run the following command in a terminal as it will automatically gather and attach updated debug information to this report: apport-collect -p xorg REPLACE-WITH-BUG-NUMBER Please ensure you have xdiagnose installed, and that you click the Yes button for attaching additional debugging information. ** Changed in: xorg (Ubuntu) Importance: Undecided => Low ** Changed in: xorg (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1364867 Title: glxgears and other full screen OpenGL applications freeze after a couple of minutes of running To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1364867/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs