This is fixed for me with nvidia-graphics-drivers-331 version 331.38-0ubuntu5 (see also https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-331/+bug/1210077 which the original issue seems to be a duplicate of)
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1220865 Title: [nvidia-prime] Xorg freeze after resume from suspend To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-319/+bug/1220865/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs