Blacklisting module i915 is not the right way, for those who use integrated graphics Intel, this most modern laptops.
I have a laptop with a processor IvyBridge with integrated graphics Intel 4000 and a separate video card ATI Radeon HD 7660M. After installation -27 proposed kernel problem is solved. $ uname -a Linux mks-nb 3.2.0-27-generic #43-Ubuntu SMP Fri Jul 6 14:25:57 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/993187 Title: ubuntu 12.04 completely freezes frequently. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/993187/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs