I'm not sure the exact combination (new kernel, new proposed -intel package, Xorg.conf) but the problems seems to have disappeared for the time being. My xorg.conf is as follows. It works, now, with both EXA and UXA; I use UXA to fix the long standing "dragging windows with 3D/video in them" problem.
Section "Device" Identifier "Configured Video Device" Driver "intel" Option "MigrationHeuristic" "greedy" Option "AccelMethod" "uxa" EndSection Section "Monitor" Identifier "Configured Monitor" EndSection Section "Screen" Identifier "Default Screen" Monitor "Configured Monitor" Device "Configured Video Device" DefaultColorDepth 24 Subsection "Display" Depth 24 Virtual 2960 2048 EndSubsection EndSection -- [i965] X freezes starting on April 3rd https://bugs.launchpad.net/bugs/359392 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