Well, as reported in the upstream bug, they tend to think that the cause is in xorg: after hitting any keyboard key another randr event is fired, so displays get reconfigured and I see the lag + flicker.
-- problems triggered when I open the laptop lid https://bugs.launchpad.net/bugs/524830 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-settings-daemon in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs