** Description changed:

+ [ 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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https://bugs.launchpad.net/bugs/1838152

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

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