Bug filed against xorg-server - https://bugs.freedesktop.org/show_bug.cgi?id=86288 And patch is sent for review to the Xorg development mailing list.
** Bug watch added: freedesktop.org Bugzilla #86288 https://bugs.freedesktop.org/show_bug.cgi?id=86288 -- 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 X.Org X server: New Status in “nvidia-graphics-drivers-319” package in Ubuntu: Invalid Status in “nvidia-graphics-drivers-331” package in Ubuntu: Invalid Status in “nvidia-graphics-drivers-343” package in Ubuntu: Invalid Status in “nvidia-prime” package in Ubuntu: Invalid 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/xorg-server/+bug/1220426/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp