Same problem over here, using Ubuntu 14.04, nvidia 331.67 and a touchpad on a Lenovo Ideapad U410. When using the Intel graphics nothing happens, but when using nvidia graphics the screen freezes, only when the touchpad is used. When using a mouse nvidia graphics can be used without a freeze.
-- 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