Hello Luca, or anyone else affected,

Accepted gnome-shell into bionic-proposed. The package will build now
and be available at https://launchpad.net/ubuntu/+source/gnome-
shell/3.28.4-0ubuntu18.04.7 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, what testing has been
performed on the package 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: gnome-shell (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 gnome-shell in Ubuntu.
https://bugs.launchpad.net/bugs/1838152

Title:
  gnome-shell freezes on notification arrival (fixed upstream)

Status in GNOME Shell:
  Fix Released
Status in gnome-shell package in Ubuntu:
  Fix Released
Status in gnome-shell source package in Bionic:
  Fix Committed
Status in gnome-shell source package in Disco:
  Fix Released
Status in gnome-shell source package in Eoan:
  Fix Released

Bug description:
  [ Description ]

  Sometimes certain notifications make the desktop unresponsive for a
  few seconds and then gnome-shell crashes and all extensions are
  reloaded.

  [ Test case ]

  Install gsconnect extension in gnome-shell:
   https://extensions.gnome.org/extension/1319/gsconnect/

  - Start Up system
  - first Notification from connected device
  - Hangs for about 20 sec
    + This should not happen

  [ Regression potential ]

  Persistent state is not kept, although the patch is living upstream
  for many cycles already, so it's pretty safe.

  -----

  I have found an upstream bug with a patch, but it's probably not in the 
Ubuntu's package. I thought of creating an issue in case it is something not 
known.
  https://gitlab.gnome.org/GNOME/gnome-shell/issues/470

  https://gitlab.gnome.org/GNOME/gnome-
  shell/commit/86a00b6872375a266449beee1ea6d5e94f1ebbcb

  In my case it happens only with the notifications of gsconnect and maybe 
android studio.
  I have reproduced the problem in gsconnect in case it helps.
  https://github.com/andyholmes/gnome-shell-extension-gsconnect/issues/549

  the error is:
  lug 27 19:55:56 ghv gnome-shell[4071]: Object Meta.Background 
(0x55ce6b4cf300), has been already deallocated - impossible to access it. This 
might be caused by the object having been destroyed from C code using something 
such as destroy(), dispose(), or remove() vfuncs

  Ubuntu 18.04
  gnome-shell
  Version: 3.28.4-0ubuntu18.04.1

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