I've built a quantal kernel with the patch mentioned on the freedesktop.org bugzilla. Please test to see if it resolves the issue.
http://people.canonical.com/~sforshee/lp1041790/linux-3.5.0-27.46~lp1041790v201304052041/ Compiler issues are preventing me from building for raring atm, but I'll post a raring build as soon as I am able to do so. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1041790 Title: [snb] GPU lockup IPEHR: 0x0b160001 IPEHR: 0x0b140001, workaround i915.semaphores=0 To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/1041790/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp

