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Message #80620
[Bug 1220426] Re: [nvidia-prime]Freeze while using touchpad
@TommyE : As this bug only happens with nvidia's closed source driver, you can only hope that the company will do something to fix it.
They acknowledged the bug's existence nearly 1 year after it was reported, had trouble to find the pattern (probably because nobody runs a desktop linux with an Optimus graphics card at nvidia), and now, maybe they will try to fix it.
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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:
Triaged
Status in “nvidia-graphics-drivers-331” package in Ubuntu:
Triaged
Status in “nvidia-graphics-drivers-343” package in Ubuntu:
Triaged
Status in “nvidia-prime” package in Ubuntu:
Triaged
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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