As written above, I had enabled X Updates as part of investigating #987056 "Suspend always hangs on Asus N55S, becomes really hot " https://bugs.launchpad.net/ubuntu/+source/linux/+bug/987056
Issuing the following command: sudo ppa-purge ppa:ubuntu-x-swat/x-updates downgraded the packages to regular Ubuntu: before after 2012-06-18 17:15:31 status installed nvidia-current 302.17-0ubuntu1~precise~xup1 2012-06-27 22:02:20 status installed nvidia-current 295.40-0ubuntu1 2012-06-18 17:15:31 status installed nvidia-settings 302.17-0ubuntu1~precise~xup3 2012-06-27 22:02:21 status installed nvidia-settings 295.33-0ubuntu1 2012-05-03 09:18:32 status installed xserver-xorg-video-intel 2:2.19.0-0ubuntu1~xup1 2012-06-27 22:02:21 status installed xserver-xorg-video-intel 2:2.17.0-1ubuntu4 2012-05-21 13:14:17 status installed xdiagnose 2.6 2012-06-27 22:02:21 status installed xdiagnose 2.5 2012-06-28 23:07:22 status installed xdiagnose 2.5.1 With that new set of packages, I've been running the system for a day with external monitor plugged without seeing the problem again. ** Summary changed: - Xorg freeze within weeks, but within minutes after plugging external monitor. + [X-Updates regression] Xorg freeze within weeks, but within minutes after plugging external monitor. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1002542 Title: [X-Updates regression] Xorg freeze within weeks, but within minutes after plugging external monitor. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1002542/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
