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[Bug 1451613] Re: Unity/compiz crashes when locking screen

 

Hi,

While Andrea works on a way to get proper debugging symbols, I have
uploaded a new package to the same PPA that reverts the potential fix
and also reverts rev. 3810 which is where we suspect the problem is.
Once the packages build and are published in the PPA, please try it out
and see if the issue no longer occurs.

Thanks for testing this!

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https://bugs.launchpad.net/bugs/1451613

Title:
  Unity/compiz crashes when locking screen

Status in Unity:
  Confirmed
Status in unity package in Ubuntu:
  Confirmed

Bug description:
  Since a recent update (around April 29th), sometimes (approximately once a day) when I lock my computer screen (CTRL+L or using system menu) the computer freeze for a while (2 to 30 seconds) before showing the login screen.
  Then when I try to unlock the screen I need to enter my password twice (with no error message after the first try).
  Once logged in, all applications are closed. Uptime is still running (since no reboot) and services too (with no interruption).

  Looking at the apport.log file (see attached) it seems that when I try
  to lock the screen, compiz crashes.

  I've attached the compiz crash file too (_usr_bin_compiz.1000.crash)
  but without the 100Mo data of base64 core dumb…

  
  I'm using Ubuntu 14.04 AMD64.
  Graphics drivers: nvidia-331.113 (tested)

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References