Hi, I had this problem too. Manually installing kernel 2.6.37 from the mainline ubuntu site fixed the problem. http://kernel.ubuntu.com/~kernel-ppa/mainline/v2.6.37.6-natty/ << I used this version.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/754777 Title: [sandybridge-m-gt2] GPU lockup (Blitter IPEHR: 0x13000002, Render IPEHR: 0x02000006) -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs