FYI I've upgraded quantal->raring in my x220, but still running oibaf[1] quantal intel drivers -- been stable for several hours so far:
$ apt-cache policy xserver-xorg-video-intel xserver-xorg-video-intel: Installed: 2:2.21.5+git1303251414.6b2092~gd~q Candidate: 2:2.21.5+git1303251414.6b2092~gd~q Version table: *** 2:2.21.5+git1303251414.6b2092~gd~q 0 100 /var/lib/dpkg/status 2:2.21.5-0ubuntu1 0 500 http://archive.ubuntu.com/ubuntu/ raring/main amd64 Packages You may want to give it a try - note that there are no raring builds currently at [1], so you'll need to s/quantal/raring/ at /etc/apt/sources.list.d/oibaf-graphics-drivers-*.list [1] https://launchpad.net/~oibaf/+archive/graphics-drivers/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1134611 Title: Xorg/compiz/unity freeze To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1134611/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs