It can be reproduce on HP NB. The log file collected by this command : nvidia-bug-report.sh
VGA: GeForce 830M VGA Version: 340.32 VBIOS Version: 82.08.14.00.69 Ubuntu : 14.04 (3.13.0-37-generic) ** Attachment added: "nvidia-bug-report.log.gz" https://bugs.launchpad.net/ubuntu/+source/nvidia-prime/+bug/1220426/+attachment/4248944/+files/nvidia-bug-report.log.gz -- 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
