As per NVIDIA upstream, this was originating bug report for fix in
https://bugs.freedesktop.org/show_bug.cgi?id=86288 -> Triaged.
** Project changed: nvidia-drivers-ubuntu => xorg-server (Ubuntu)
** Changed in: xorg-server (Ubuntu)
Status: Invalid => New
** Attachment removed: "Xorg.0.log"
https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1220426/+attachment/3827860/+files/Xorg.0.log
** Changed in: xorg-server (Ubuntu)
Importance: Undecided => Low
** Changed in: xorg-server (Ubuntu)
Status: New => Triaged
** Description changed:
- I'm using an Optimus laptop (Asus N43SL)
- nvidia-prime is installed, so my nvidia dedicated graphics card (GT 540m) is
in use.
+ 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.
- 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).
+ WORKAROUND: Use USB mouse.
- I can temporarily solve the issue by doing a VT switch.
+ 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.
+ 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
** Tags added: cherry-pick
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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 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
To manage notifications about this bug go to:
https://bugs.launchpad.net/xorg-server/+bug/1220426/+subscriptions
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