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

 

Hello Scaler, or anyone else affected,

Accepted unity into trusty-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/unity/7.2.5+14.04.20150603-0ubuntu1
in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.  Your feedback will aid us getting this update
out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed.  In either case, details of your testing will help
us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Changed in: unity (Ubuntu Trusty)
       Status: In Progress => Fix Committed

** Tags added: verification-needed

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

Title:
  [regression] Unity/compiz crashes when locking screen

Status in Unity:
  Invalid
Status in Unity 7.2 series:
  In Progress
Status in unity package in Ubuntu:
  Invalid
Status in unity source package in Trusty:
  Fix Committed

Bug description:
  [ Impact ]

  A crash is occurring for many users of Trusty when the screen is
  locking.

  [ Test Case ]

  Lock the screen.

  [ Regression Potential ]

  None as this is removing a commit causing this regression.

  The debdiff is found at
  https://bugs.launchpad.net/unity/+bug/1451613/+attachment/4409311/+files/unity.revert-3810.debdiff

  -----------------------------------------------------------------------------

  Original 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