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[Bartosz Kosiorek <1210077@xxxxxxxxxxxxxxxxxx>]

The problem with suspend was solved in nvidia driver 331.67 (not this one 331.38)
http://www.nvidia.com/Download/driverResults.aspx/75019/en-us
http://www.nvidia.com/object/unix.html

Here is chunk from release notes (331.67):
"Fixed a bug that could cause display corruption when resuming from suspend on systems using RandR 1.4 display offloading with recent Linux kernels."

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https://bugs.launchpad.net/bugs/1210077

Title:
  Screen freeze and garbled after resume from suspend

Status in HWE Next Project:
  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 “unity” package in Ubuntu:
  Fix Released
Status in “nvidia-graphics-drivers-331” source package in Precise:
  Fix Committed

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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