Ok I installed nvidia 185 drivers and it seems much better. So I guess it's an nvidia bug.
http://ubuntuforums.org/showpost.php?p=7518490&postcount=3 Misha -- facebook is slow https://bugs.launchpad.net/bugs/392350 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
