Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: nvidia-graphics-drivers-331 (Ubuntu)
Status: New => Confirmed
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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-graphics-drivers-331” 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.
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