I have created file /etc/modprobe.d/psmouse.conf with following entry: options psmouse proto=imps
I have rebooted the notebook and had to increase pointer speed of trackpad under System settings > Mouse & Touchpad after reboot. So far I don't have any issues with trackpad freezing. Default parameter proto for psmouse module is set to auto. The current value of the proto paramater of psmouse kernel module can be read from /sys/module/psmouse/parameters/proto file: cat /sys/module/psmouse/parameters/proto After creating /etc/modprobe.d/psmouse.conf file parameter is set to ImPS/2. The idea for changing psmouse proto parameter came from https://answers.launchpad.net/ubuntu/+source/xserver-xorg-input- synaptics/+question/176273. So the quick fix would be: 1.) Run following command from terminal: echo "options psmouse proto=imps" | sudo tee /etc/modprobe.d/psmouse.conf >/dev/null 2.) Reboot the system or reload psmouse module from terminal with following commands: sudo modprobe -r psmouse && sudo modprobe psmouse 3.) Increase the speed of pointer under System settings > Mouse & Touchpad Can anyone else confirm this fix ? -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to nvidia-prime in Ubuntu. https://bugs.launchpad.net/bugs/1220426 Title: [nvidia-prime]Freeze while using touchpad Status in “nvidia-graphics-drivers-319” package in Ubuntu: Confirmed Status in “nvidia-prime” package in Ubuntu: Opinion Bug description: I'm using an Optimus laptop (Asus N43SL) nvidia-prime is installed, so my nvidia dedicated graphics card (GT 540m) is in use. Once in a while, my screen will freeze, only when I use my touchpad. This does not happen with my USB mouse. This does not happen either when I uninstall nvidia-prime and use my intel integrated graphics (HD3000). I can temporarily solve the issue by doing a VT switch. In the attached Xorg.0.log, you can see "synaptics: ETPS/2 Elantech Touchpad: touchpad found" each time I did a VT switch and regained control. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-319/+bug/1220426/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
