Removed workaround and updated to kernel 3.13.0-30.54-generic 3.13.11.2 and bug is fixed.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1317865 Title: 8086:0412 [Gigabyte Z87X-UD3H] bug in the Ubuntu backport of BDW stuff for 14.04, where it tries to treat your hardware as Broadwell, and gets confused when your hardware behaves like Haswell. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1317865/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs