Comment 80 for bug 1220426

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

Thanks Darren,

Is it possable to share the step by step reproduction steps to trigger this issue internally. Also, how frequently you are seeing this issue? Please help to share any other easy to trigger this issue.

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-----Original Message-----
From: Darren Wright [<email address hidden>]
Received: Saturday, 09 Aug 2014, 3:51AM
To: Rajagopal TS [<email address hidden>]
Subject: [Bug 1220426] Re: [nvidia-prime]Freeze while using touchpad

Sorry, GT460M not GT540; Sorry it's been a long day

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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-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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