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[Andrew Chandler <andy@xxxxxxxxxxxx>]

I've also been having this problem - I just found this bug finally as
its buried under a lot of other issues that effect bootup etc.    My
system boots into plasma just fine but suspending is a big no-no (used
to work great in 14.x)   I did try switching to noveau drivers and
purging the nvidia drivers then re-installing.   It seemed like it
worked for a day or two (maybe until I actually rebooted) and now we're
back to not working.    I prefer the nvidia drivers but any suggestions
outside of stop using them would be appreciated.

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to nvidia-prime in Ubuntu.
https://bugs.launchpad.net/bugs/1446632

Title:
  Display output is corrupted after suspend to RAM

Status in nvidia-prime package in Ubuntu:
  Confirmed

Bug description:
  1) The release of Ubuntu you are using, via 'lsb_release -rd' or
  System -> About Ubuntu

  Description:    Ubuntu 15.04
  Release:        15.04

  2) The version of the package you are using, via 'apt-cache policy
  pkgname' or by checking in Software Center

  nvidia-prime:
    Installed: 0.8.1
    Candidate: 0.8.1
    Version table:
   *** 0.8.1 0
          500 http://fi.archive.ubuntu.com/ubuntu/ vivid/main amd64 Packages
          100 /var/lib/dpkg/status

  
  3) What you expected to happen

  System is usable after resuming

  4) What happened instead

  The display output gets corrupted. The mouse pointer is drawn
  correctly and can be moved around the display but the underlying
  graphics are messed up. Please see attached file. The same occurs both
  on the laptop display as well as when using external display over
  HDMI.

  I am using nvidia-346 graphics drivers.

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