I have the same problem on xubuntu 12.04 x64. 3.2.0-38 works fine. 3.2.0-39 and the new 3.2.0-40 freeze my system after few minutes or hours.
Extracted from 'sudo lshw' : MB: H67MA-USB3-B3 (Gigabyte Technology Co., Ltd.) BIOS : Award Software International, Inc. version: F3 03/31/2011 CPU : Intel(R) Core(TM) i3-2125 CPU @ 3.30GHz Memory : 8GiB Display : VGA compatible controller produit: 2nd Generation Core Processor Family Integrated Graphics Controller version: 09 bits: 64 bits configuration: driver=i915 latency=0 ressources: irq:42 mémoire:fb800000-fbbfffff mémoire:e0000000-efffffff portE/S:ff00(taille=64) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1140716 Title: [regression] 3.5.0-26-generic and 3.2.0-39-generic GPU hangs on Sandybridge To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1140716/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs