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[Bug 1363959] Re: compiz crashed with SIGSEGV in nux::WindowCompositor::DndEventCycle()

 

Hello David, or anyone else affected,

Accepted nux into trusty-proposed. The package will build now and be
available at
http://launchpad.net/ubuntu/+source/nux/4.0.6+14.04.20141107-0ubuntu1 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: nux (Ubuntu Trusty)
       Status: In Progress => Fix Committed

** Tags added: verification-needed

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https://bugs.launchpad.net/bugs/1363959

Title:
  compiz crashed with SIGSEGV in nux::WindowCompositor::DndEventCycle()

Status in Nux:
  Fix Committed
Status in Nux trusty series:
  In Progress
Status in “nux” package in Ubuntu:
  Fix Released
Status in “nux” source package in Trusty:
  Fix Committed

Bug description:
  [Impact]

  An occasional unpredictable crash in the Unity shell occurs during a
  drag-and-drop operation.

  [Test Case]

  Unfortunately it is not possible to reproduce this bug at will.
  Apparently is is caused by an uninitialized pointer dereference that
  only occurs in a timing-dependent manner.

  Running a full autopilot test suite against the Unity desktop shell
  reveals no new regressions.

  [Regression Potential]

  The code change effectively adds a test for a null pointer.  It is
  possible that this might introduce a regression in drag-and-drop
  functionality that previously relied on undefined behaviour to work
  when it didn't crash.

  [Other Info]

  Fix was released with Ubuntu 14.10 and no new regressions have been
  reported.

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