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Message #81947
[Bug 1220426] Re: [nvidia-prime]Freeze while using touchpad
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On 2014-11-14T17:52:32+00:00 Nikhil Mahale wrote:
https://bugs.launchpad.net/bugs/1220426
This bug is root caused in xorg-server os layer, attaching patch to fix
it and sending it to xorg-devel list.
Reply at: https://bugs.launchpad.net/ubuntu/+source/nvidia-
prime/+bug/1220426/comments/180
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On 2014-11-14T18:24:06+00:00 Nikhil Mahale wrote:
Created attachment 109479
[PATCH] os: Fix timer race conditions
Reply at: https://bugs.launchpad.net/ubuntu/+source/nvidia-
prime/+bug/1220426/comments/181
** Changed in: xorg-server
Status: Unknown => Confirmed
** Changed in: xorg-server
Importance: Unknown => Critical
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https://bugs.launchpad.net/bugs/1220426
Title:
[nvidia-prime]Freeze while using touchpad
Status in X.Org X server:
Confirmed
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.
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