I completely deinstalled all of vbox, but that did not solve the problem for me.
The freezes are not completely random though, because it happens at latest after two hours of constant use. -- Xorg freeze https://bugs.launchpad.net/bugs/660273 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