Hello errors.ubuntu.com, or anyone else affected,

Accepted mutter into bionic-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/mutter/3.28.4-0ubuntu18.04.2 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 on 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-bionic to verification-done-bionic. If it does not
fix the bug for you, please add a comment stating that, and change the
tag to verification-failed-bionic. In either case, without details of
your testing we will not be able to proceed.

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

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: mutter (Ubuntu Bionic)
       Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-bionic

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to mutter in Ubuntu.
https://bugs.launchpad.net/bugs/1832869

Title:
  gnome-shell crashed with SIGSEGV in g_hash_table_iter_next →
  meta_display_list_windows → meta_workspace_list_windows →
  ffi_call_SYSV → ffi_call()

Status in gnome-shell package in Ubuntu:
  Triaged
Status in gnome-shell-extension-dashtodock package in Ubuntu:
  Invalid
Status in mutter package in Ubuntu:
  Won't Fix
Status in mutter source package in Bionic:
  Fix Committed
Status in mutter source package in Disco:
  Won't Fix

Bug description:
  [ Description ]

  GNOME shell crashes on restart when some window actors are opened

  [ Test case ]

  - Run gnome-shell in Xorg, start some windows
  - Hit Alt+F2
  - Write 'r' and press Enter

  - The shell should restart without crashing in
  meta_workspace_list_windows

  [ Regression potential ]

  Javascript errors might be emitted when trying to access to
  invalidated data, but nothing really harmful.

  [ Note ]

  This crash doesn't affect versions after 3.28 for various reasons: 
   - The JS code triggering it isn't there anymore
   - MetaScreen doesn't exist anymore.

  Similar crashes might happen in newer versions, but as per different
  code paths, and so to be reported as different bugs.

  ---

  The Ubuntu Error Tracker has been receiving reports about a problem regarding 
gnome-shell.  This problem was most recently seen with package version 
3.28.4-0ubuntu18.04.1, the problem page at 
https://errors.ubuntu.com/problem/d3f9725b7fae2763643521acfc58c734f829dd64 
contains more details, including versions of packages affected, stacktrace or 
traceback, and individual crash reports.
  If you do not have access to the Ubuntu Error Tracker and are a software 
developer, you can request it at http://forms.canonical.com/reports/.

  https://errors.ubuntu.com/problem/ac8df0b1e2d67e423c634fde1a3acecd3c381d58
  https://errors.ubuntu.com/problem/d3f9725b7fae2763643521acfc58c734f829dd64
  https://errors.ubuntu.com/problem/1e69eadeb69f4e2b8aa933205d2be3a8db4af36c
  https://errors.ubuntu.com/problem/6f7810166a3ae02cc8025514d6ffbbde10063e76
  https://errors.ubuntu.com/problem/1bfbc00c70cfe6f4f2b66b4efc86f5c089c28680

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1832869/+subscriptions

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