Comment 106 for bug 1220426

Revision history for this message
Raja (rts-b) wrote : RE: [Bug 1220426] Re: [nvidia-prime]Freeze while using touchpad

Thanks all for your update. Finally we are able to reproduce this issue in our end. Filed bug to track this issue. Please keep this bug ID 200028951 for future reference.

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-----Original Message-----
From: Human [<email address hidden>]
Received: Thursday, 14 Aug 2014, 11:52PM
To: Rajagopal TS [<email address hidden>]
Subject: [Bug 1220426] Re: [nvidia-prime]Freeze while using touchpad

Sorry. I withdraw my previous comment. _The minute_ after I commented, I
got a freeze when my pointer hit a random blank spot in a pure text
webpage.

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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:
  Confirmed
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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