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Message #103364
[Bug 1220426] Re: [nvidia-prime]Freeze while using touchpad
** Tags removed: saucy
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https://bugs.launchpad.net/bugs/1220426
Title:
[nvidia-prime]Freeze while using touchpad
Status in X.Org X server:
Fix Released
Status in xorg-server package in Ubuntu:
Triaged
Bug description:
Using Asus N43SL laptop as an example, with nvidia-prime installed, so
the dedicated NVIDIA graphics card (GT 540m) is in use, once in a
while, my screen will freeze when I use my touchpad.
WORKAROUND: Use USB mouse.
WORKAROUND: Uninstall nvidia-prime and use integrated graphics.
WORKAROUND: Do a VT switch via Ctrl+Alt+F1 then Ctrl+Alt+F7.
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:
https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1220426/+attachment/3801516/+files/Xorg.0.log
The following upstream report has a patch that addresses this issue:
https://bugs.freedesktop.org/show_bug.cgi?id=86288
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