This bug happens to me a few times a day as well. A restart of gdm seems to temporarily fix the issue. (NVIDIA Driver version 185.18.36)
Seems to me like it could be related to bug 417138. -- HighCPU usage in X https://bugs.launchpad.net/bugs/444179 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
