I emailed nvidia and got this answer Hi Sven,
Your issue was just referred to me. This problem has already been reported to Engineering and will be fixed in the next 331* driver which is currently planned for early July. Let me know if any more questions. Best regards, Mike NVIDIA Customer Care -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1220426 Title: [nvidia-prime]Freeze while using touchpad To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-319/+bug/1220426/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs