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[Jan Vetulani <vetulani@xxxxxxxxx>]

Hi there!

I'm not sure if this is the same bug I've been having for years, but
here goes.

Currently running Ubuntu 14.04 with Nvidia drivers 343.36.

After I come back from suspend, anything that seems to rely on GPU
acceleration is garbled.

In blender all the textures are replaced with colourful patches of noise, same goes for films in cmplayer, mplayer, smplayer, vlc.
Observed the same thing in google maps in chrome too.

In media players it goes away after I just hit play, google maps - zoom in and out. Blender however needs a reload of the file.
It's not anything major, but seems like something I'd like fixed.

Cheers!

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to nvidia-graphics-drivers-331-updates in
Ubuntu.
https://bugs.launchpad.net/bugs/1210077

Title:
  Screen freeze and garbled after resume from suspend

Status in HWE Next:
  Fix Released
Status in HWE Next trusty series:
  Fix Released
Status in Unity:
  Fix Released
Status in nvidia-graphics-drivers-331 package in Ubuntu:
  Fix Released
Status in nvidia-graphics-drivers-331-updates package in Ubuntu:
  Fix Released
Status in unity package in Ubuntu:
  Fix Released
Status in nvidia-graphics-drivers-331 source package in Precise:
  Fix Released

Bug description:
  [Impact]
  Users of nvidia graphics drivers can see graphics freezes or corruption after suspend/resume. Switching to a VT and back to X can potentially solve freeze issues, but corruption may result.

  [Test Case]
  Suspend/Resume many times with nvidia graphics and see if the problem happens.

  [Regression Potential]
  This is already in Trusty.

  --

  Perform regular suspend, either from system menu or close laptop lid,
  when system resuming from suspend, it will freeze.

  Switch to VT and back to X can solve freeze issue,
  but the screen are gabled and some character rendering are strange,
  however whole system can perform usual task.

  found affected graphics:
  gf108m
  gf117m
  gk107glm

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