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Message #24752
[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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