Thanks for the instructions, I have managed to install the later kernel version and will report back if I have any freezes on this as well.
Linux andy-Pangolin-Performance 3.18.0-031800rc7-generic #201411302035 SMP Mon Dec 1 01:36:38 UTC 2014 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/1399010 Title: Random freeze of UI and input for ~30s To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1399010/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs