Yeah semaphores were disabled in the final 2.6.38 release so that hang will be gone. Can you please try this kernel to see if the corruption is still present?
http://kernel.ubuntu.com/~sarvatt/2011Q1/ ** Tags added: hwe-blocker -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/732304 Title: Intel sandy-bridge dual-head GPU hang -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
