** Description changed:

  I'm running Ubuntu Bionic. After latest dist-upgrade today I'm not
  getting a lot of stacktraces in my syslog:
- 
  
  Feb  5 16:14:04 fog gnome-shell[5676]: Object Clutter.Actor (0x55c40613dde0), 
has been already finalized. Impossible to get any property from it.
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: == Stack trace for context 
0x55c40593a000 ==
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #0 0x7fff5f700870 b   
resource:///org/gnome/shell/ui/tweener.js:73 (0x7f38c40ddef0 @ 9)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #1 0x7fff5f700910 b   
resource:///org/gnome/shell/ui/tweener.js:105 (0x7f38c40df230 @ 36)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #2 0x7fff5f7009b0 b   
resource:///org/gnome/shell/ui/tweener.js:92 (0x7f38c40df098 @ 52)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #3 0x7fff5f700a20 I   
resource:///org/gnome/gjs/modules/tweener/tweener.js:203 (0x7f38c40e9cd0 @ 54)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #4 0x7fff5f700b70 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:332 (0x7f38c40e9d58 @ 1626)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #5 0x7fff5f700c20 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:345 (0x7f38c40e9de0 @ 100)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #6 0x7fff5f700cb0 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:360 (0x7f38c40e9e68 @ 10)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #7 0x7fff5f700da0 b   
resource:///org/gnome/gjs/modules/signals.js:126 (0x7f38c40e2b38 @ 386)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #8 0x7fff5f700e50 b   
resource:///org/gnome/shell/ui/tweener.js:208 (0x7f38c40df808 @ 159)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #9 0x7fff5f700eb0 I   
resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f38c40c2bc0 @ 71)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #10 0x7fff5f700eb0 I   
resource:///org/gnome/shell/ui/tweener.js:183 (0x7f38c40df780 @ 20)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #11 0x7fff5f700f50 I   
self-hosted:917 (0x7f38c40ee5e8 @ 394)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: == Stack trace for context 
0x55c40593a000 ==
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #0 0x7fff5f700870 b   
resource:///org/gnome/shell/ui/tweener.js:80 (0x7f38c40ddef0 @ 82)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #1 0x7fff5f700910 b   
resource:///org/gnome/shell/ui/tweener.js:105 (0x7f38c40df230 @ 36)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #2 0x7fff5f7009b0 b   
resource:///org/gnome/shell/ui/tweener.js:92 (0x7f38c40df098 @ 52)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #3 0x7fff5f700a20 I   
resource:///org/gnome/gjs/modules/tweener/tweener.js:203 (0x7f38c40e9cd0 @ 54)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #4 0x7fff5f700b70 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:332 (0x7f38c40e9d58 @ 1626)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #5 0x7fff5f700c20 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:345 (0x7f38c40e9de0 @ 100)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #6 0x7fff5f700cb0 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:360 (0x7f38c40e9e68 @ 10)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #7 0x7fff5f700da0 b   
resource:///org/gnome/gjs/modules/signals.js:126 (0x7f38c40e2b38 @ 386)
  Feb  5 16:14:04 fog gnome-shell[5676]: Object Clutter.Actor (0x55c40613dde0), 
has been already finalized. Impossible to set any property to it.
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #8 0x7fff5f700e50 b   
resource:///org/gnome/shell/ui/tweener.js:208 (0x7f38c40df808 @ 159)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #9 0x7fff5f700eb0 I   
resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f38c40c2bc0 @ 71)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #10 0x7fff5f700eb0 I   
resource:///org/gnome/shell/ui/tweener.js:183 (0x7f38c40df780 @ 20)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #11 0x7fff5f700f50 I   
self-hosted:917 (0x7f38c40ee5e8 @ 394)
  Feb  5 16:14:04 fog gnome-shell[5676]: Object St.BoxLayout (0x55c407f24860), 
has been already finalized. Impossible to get any property from it.
  Feb  5 16:14:04 fog gnome-shell[5676]: Object St.BoxLayout (0x55c407f24860), 
has been already finalized. Impossible to set any property to it.
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: == Stack trace for context 
0x55c40593a000 ==
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #0 0x7fff5f6ff970 b   
resource:///org/gnome/shell/ui/tweener.js:73 (0x7f38c40ddef0 @ 9)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #1 0x7fff5f6ffa10 b   
resource:///org/gnome/shell/ui/tweener.js:105 (0x7f38c40df230 @ 36)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #2 0x7fff5f6ffab0 b   
resource:///org/gnome/shell/ui/tweener.js:92 (0x7f38c40df098 @ 52)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #3 0x7fff5f700a20 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:203 (0x7f38c40e9cd0 @ 54)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #4 0x7fff5f700b70 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:332 (0x7f38c40e9d58 @ 1626)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #5 0x7fff5f700c20 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:345 (0x7f38c40e9de0 @ 100)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #6 0x7fff5f700cb0 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:360 (0x7f38c40e9e68 @ 10)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #7 0x7fff5f700da0 b   
resource:///org/gnome/gjs/modules/signals.js:126 (0x7f38c40e2b38 @ 386)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #8 0x7fff5f700e50 b   
resource:///org/gnome/shell/ui/tweener.js:208 (0x7f38c40df808 @ 159)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #9 0x7fff5f700eb0 I   
resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f38c40c2bc0 @ 71)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #10 0x7fff5f700eb0 I   
resource:///org/gnome/shell/ui/tweener.js:183 (0x7f38c40df780 @ 20)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #11 0x7fff5f700f50 I   
self-hosted:917 (0x7f38c40ee5e8 @ 394)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: == Stack trace for context 
0x55c40593a000 ==
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #0 0x7fff5f6ff970 b   
resource:///org/gnome/shell/ui/tweener.js:80 (0x7f38c40ddef0 @ 82)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #1 0x7fff5f6ffa10 b   
resource:///org/gnome/shell/ui/tweener.js:105 (0x7f38c40df230 @ 36)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #2 0x7fff5f6ffab0 b   
resource:///org/gnome/shell/ui/tweener.js:92 (0x7f38c40df098 @ 52)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #3 0x7fff5f700a20 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:203 (0x7f38c40e9cd0 @ 54)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #4 0x7fff5f700b70 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:332 (0x7f38c40e9d58 @ 1626)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #5 0x7fff5f700c20 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:345 (0x7f38c40e9de0 @ 100)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #6 0x7fff5f700cb0 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:360 (0x7f38c40e9e68 @ 10)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #7 0x7fff5f700da0 b   
resource:///org/gnome/gjs/modules/signals.js:126 (0x7f38c40e2b38 @ 386)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #8 0x7fff5f700e50 b   
resource:///org/gnome/shell/ui/tweener.js:208 (0x7f38c40df808 @ 159)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #9 0x7fff5f700eb0 I   
resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f38c40c2bc0 @ 71)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #10 0x7fff5f700eb0 I   
resource:///org/gnome/shell/ui/tweener.js:183 (0x7f38c40df780 @ 20)
  Feb  5 16:14:04 fog org.gnome.Shell.desktop[5676]: #11 0x7fff5f700f50 I   
self-hosted:917 (0x7f38c40ee5e8 @ 394)
  Feb  5 16:14:05 fog gnome-shell[5676]: Object Clutter.Actor (0x55c40977ca70), 
has been already finalized. Impossible to get any property from it.
  Feb  5 16:14:05 fog org.gnome.Shell.desktop[5676]: == Stack trace for context 
0x55c40593a000 ==
  Feb  5 16:14:05 fog org.gnome.Shell.desktop[5676]: #0 0x7fff5f700870 b   
resource:///org/gnome/shell/ui/tweener.js:73 (0x7f38c40ddef0 @ 9)
  Feb  5 16:14:05 fog org.gnome.Shell.desktop[5676]: #1 0x7fff5f700910 b   
resource:///org/gnome/shell/ui/tweener.js:105 (0x7f38c40df230 @ 36)
  Feb  5 16:14:05 fog org.gnome.Shell.desktop[5676]: #2 0x7fff5f7009b0 b   
resource:///org/gnome/shell/ui/tweener.js:92 (0x7f38c40df098 @ 52)
  Feb  5 16:14:05 fog org.gnome.Shell.desktop[5676]: #3 0x7fff5f700a20 I   
resource:///org/gnome/gjs/modules/tweener/tweener.js:203 (0x7f38c40e9cd0 @ 54)
  Feb  5 16:14:05 fog org.gnome.Shell.desktop[5676]: #4 0x7fff5f700b70 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:332 (0x7f38c40e9d58 @ 1626)
  Feb  5 16:14:05 fog org.gnome.Shell.desktop[5676]: #5 0x7fff5f700c20 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:345 (0x7f38c40e9de0 @ 100)
  Feb  5 16:14:05 fog org.gnome.Shell.desktop[5676]: #6 0x7fff5f700cb0 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:360 (0x7f38c40e9e68 @ 10)
  Feb  5 16:14:05 fog org.gnome.Shell.desktop[5676]: #7 0x7fff5f700da0 b   
resource:///org/gnome/gjs/modules/signals.js:126 (0x7f38c40e2b38 @ 386)
  Feb  5 16:14:05 fog org.gnome.Shell.desktop[5676]: #8 0x7fff5f700e50 b   
resource:///org/gnome/shell/ui/tweener.js:208 (0x7f38c40df808 @ 159)
  Feb  5 16:14:05 fog org.gnome.Shell.desktop[5676]: #9 0x7fff5f700eb0 I   
resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f38c40c2bc0 @ 71)
  Feb  5 16:14:05 fog org.gnome.Shell.desktop[5676]: #10 0x7fff5f700eb0 I   
resource:///org/gnome/shell/ui/tweener.js:183 (0x7f38c40df780 @ 20)
  Feb  5 16:14:05 fog org.gnome.Shell.desktop[5676]: #11 0x7fff5f700f50 I   
self-hosted:917 (0x7f38c40ee5e8 @ 394)
  Feb  5 16:14:05 fog org.gnome.Shell.desktop[5676]: == Stack trace for context 
0x55c40593a000 ==
  Feb  5 16:14:05 fog org.gnome.Shell.desktop[5676]: #0 0x7fff5f700870 b   
resource:///org/gnome/shell/ui/tweener.js:80 (0x7f38c40ddef0 @ 82)
  Feb  5 16:14:05 fog org.gnome.Shell.desktop[5676]: #1 0x7fff5f700910 b   
resource:///org/gnome/shell/ui/tweener.js:105 (0x7f38c40df230 @ 36)
  Feb  5 16:14:05 fog org.gnome.Shell.desktop[5676]: #2 0x7fff5f7009b0 b   
resource:///org/gnome/shell/ui/tweener.js:92 (0x7f38c40df098 @ 52)
  Feb  5 16:14:05 fog org.gnome.Shell.desktop[5676]: #3 0x7fff5f700a20 I   
resource:///org/gnome/gjs/modules/tweener/tweener.js:203 (0x7f38c40e9cd0 @ 54)
  Feb  5 16:14:05 fog org.gnome.Shell.desktop[5676]: #4 0x7fff5f700b70 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:332 (0x7f38c40e9d58 @ 1626)
  Feb  5 16:14:05 fog org.gnome.Shell.desktop[5676]: #5 0x7fff5f700c20 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:345 (0x7f38c40e9de0 @ 100)
  Feb  5 16:14:05 fog org.gnome.Shell.desktop[5676]: #6 0x7fff5f700cb0 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:360 (0x7f38c40e9e68 @ 10)
  Feb  5 16:14:05 fog org.gnome.Shell.desktop[5676]: #7 0x7fff5f700da0 b   
resource:///org/gnome/gjs/modules/signals.js:126 (0x7f38c40e2b38 @ 386)
  Feb  5 16:14:05 fog gnome-shell[5676]: Object Clutter.Actor (0x55c40977ca70), 
has been already finalized. Impossible to set any property to it.
  Feb  5 16:14:05 fog org.gnome.Shell.desktop[5676]: #8 0x7fff5f700e50 b   
resource:///org/gnome/shell/ui/tweener.js:208 (0x7f38c40df808 @ 159)
  Feb  5 16:14:05 fog org.gnome.Shell.desktop[5676]: #9 0x7fff5f700eb0 I   
resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f38c40c2bc0 @ 71)
  Feb  5 16:14:05 fog org.gnome.Shell.desktop[5676]: #10 0x7fff5f700eb0 I   
resource:///org/gnome/shell/ui/tweener.js:183 (0x7f38c40df780 @ 20)
  Feb  5 16:14:05 fog org.gnome.Shell.desktop[5676]: #11 0x7fff5f700f50 I   
self-hosted:917 (0x7f38c40ee5e8 @ 394)
  Feb  5 16:14:06 fog gnome-shell[5676]: Object Clutter.Actor (0x55c40977d460), 
has been already finalized. Impossible to get any property from it.
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: == Stack trace for context 
0x55c40593a000 ==
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #0 0x7fff5f700870 b   
resource:///org/gnome/shell/ui/tweener.js:73 (0x7f38c40ddef0 @ 9)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #1 0x7fff5f700910 b   
resource:///org/gnome/shell/ui/tweener.js:105 (0x7f38c40df230 @ 36)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #2 0x7fff5f7009b0 b   
resource:///org/gnome/shell/ui/tweener.js:92 (0x7f38c40df098 @ 52)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #3 0x7fff5f700a20 I   
resource:///org/gnome/gjs/modules/tweener/tweener.js:203 (0x7f38c40e9cd0 @ 54)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #4 0x7fff5f700b70 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:332 (0x7f38c40e9d58 @ 1626)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #5 0x7fff5f700c20 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:345 (0x7f38c40e9de0 @ 100)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #6 0x7fff5f700cb0 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:360 (0x7f38c40e9e68 @ 10)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #7 0x7fff5f700da0 b   
resource:///org/gnome/gjs/modules/signals.js:126 (0x7f38c40e2b38 @ 386)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #8 0x7fff5f700e50 b   
resource:///org/gnome/shell/ui/tweener.js:208 (0x7f38c40df808 @ 159)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #9 0x7fff5f700eb0 I   
resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f38c40c2bc0 @ 71)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #10 0x7fff5f700eb0 I   
resource:///org/gnome/shell/ui/tweener.js:183 (0x7f38c40df780 @ 20)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #11 0x7fff5f700f50 I   
self-hosted:917 (0x7f38c40ee5e8 @ 394)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: == Stack trace for context 
0x55c40593a000 ==
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #0 0x7fff5f700870 b   
resource:///org/gnome/shell/ui/tweener.js:80 (0x7f38c40ddef0 @ 82)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #1 0x7fff5f700910 b   
resource:///org/gnome/shell/ui/tweener.js:105 (0x7f38c40df230 @ 36)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #2 0x7fff5f7009b0 b   
resource:///org/gnome/shell/ui/tweener.js:92 (0x7f38c40df098 @ 52)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #3 0x7fff5f700a20 I   
resource:///org/gnome/gjs/modules/tweener/tweener.js:203 (0x7f38c40e9cd0 @ 54)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #4 0x7fff5f700b70 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:332 (0x7f38c40e9d58 @ 1626)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #5 0x7fff5f700c20 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:345 (0x7f38c40e9de0 @ 100)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #6 0x7fff5f700cb0 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:360 (0x7f38c40e9e68 @ 10)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #7 0x7fff5f700da0 b   
resource:///org/gnome/gjs/modules/signals.js:126 (0x7f38c40e2b38 @ 386)
  Feb  5 16:14:06 fog gnome-shell[5676]: Object Clutter.Actor (0x55c40977d460), 
has been already finalized. Impossible to set any property to it.
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #8 0x7fff5f700e50 b   
resource:///org/gnome/shell/ui/tweener.js:208 (0x7f38c40df808 @ 159)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #9 0x7fff5f700eb0 I   
resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f38c40c2bc0 @ 71)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #10 0x7fff5f700eb0 I   
resource:///org/gnome/shell/ui/tweener.js:183 (0x7f38c40df780 @ 20)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #11 0x7fff5f700f50 I   
self-hosted:917 (0x7f38c40ee5e8 @ 394)
  Feb  5 16:14:06 fog gnome-shell[5676]: Object St.BoxLayout (0x55c40899e8f0), 
has been already finalized. Impossible to get any property from it.
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: == Stack trace for context 
0x55c40593a000 ==
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #0 0x7fff5f6ff970 b   
resource:///org/gnome/shell/ui/tweener.js:73 (0x7f38c40ddef0 @ 9)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #1 0x7fff5f6ffa10 b   
resource:///org/gnome/shell/ui/tweener.js:105 (0x7f38c40df230 @ 36)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #2 0x7fff5f6ffab0 b   
resource:///org/gnome/shell/ui/tweener.js:92 (0x7f38c40df098 @ 52)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #3 0x7fff5f700a20 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:203 (0x7f38c40e9cd0 @ 54)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #4 0x7fff5f700b70 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:332 (0x7f38c40e9d58 @ 1626)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #5 0x7fff5f700c20 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:345 (0x7f38c40e9de0 @ 100)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #6 0x7fff5f700cb0 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:360 (0x7f38c40e9e68 @ 10)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #7 0x7fff5f700da0 b   
resource:///org/gnome/gjs/modules/signals.js:126 (0x7f38c40e2b38 @ 386)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #8 0x7fff5f700e50 b   
resource:///org/gnome/shell/ui/tweener.js:208 (0x7f38c40df808 @ 159)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #9 0x7fff5f700eb0 I   
resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f38c40c2bc0 @ 71)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #10 0x7fff5f700eb0 I   
resource:///org/gnome/shell/ui/tweener.js:183 (0x7f38c40df780 @ 20)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #11 0x7fff5f700f50 I   
self-hosted:917 (0x7f38c40ee5e8 @ 394)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: == Stack trace for context 
0x55c40593a000 ==
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #0 0x7fff5f6ff970 b   
resource:///org/gnome/shell/ui/tweener.js:80 (0x7f38c40ddef0 @ 82)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #1 0x7fff5f6ffa10 b   
resource:///org/gnome/shell/ui/tweener.js:105 (0x7f38c40df230 @ 36)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #2 0x7fff5f6ffab0 b   
resource:///org/gnome/shell/ui/tweener.js:92 (0x7f38c40df098 @ 52)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #3 0x7fff5f700a20 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:203 (0x7f38c40e9cd0 @ 54)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #4 0x7fff5f700b70 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:332 (0x7f38c40e9d58 @ 1626)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #5 0x7fff5f700c20 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:345 (0x7f38c40e9de0 @ 100)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #6 0x7fff5f700cb0 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:360 (0x7f38c40e9e68 @ 10)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #7 0x7fff5f700da0 b   
resource:///org/gnome/gjs/modules/signals.js:126 (0x7f38c40e2b38 @ 386)
  Feb  5 16:14:06 fog gnome-shell[5676]: Object St.BoxLayout (0x55c40899e8f0), 
has been already finalized. Impossible to set any property to it.
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #8 0x7fff5f700e50 b   
resource:///org/gnome/shell/ui/tweener.js:208 (0x7f38c40df808 @ 159)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #9 0x7fff5f700eb0 I   
resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f38c40c2bc0 @ 71)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #10 0x7fff5f700eb0 I   
resource:///org/gnome/shell/ui/tweener.js:183 (0x7f38c40df780 @ 20)
  Feb  5 16:14:06 fog org.gnome.Shell.desktop[5676]: #11 0x7fff5f700f50 I   
self-hosted:917 (0x7f38c40ee5e8 @ 394)
  Feb  5 16:14:26 fog gnome-shell[5676]: [AppIndicatorSupport-DEBUG] 
Registering StatusNotifierItem 
:1.74/org/ayatana/NotificationItem/software_update_available
  Feb  5 16:15:01 fog gnome-shell[5676]: Object Clutter.Actor (0x55c40977de50), 
has been already finalized. Impossible to get any property from it.
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: == Stack trace for context 
0x55c40593a000 ==
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #0 0x7fff5f6ffa90 b   
resource:///org/gnome/shell/ui/tweener.js:73 (0x7f38c40ddef0 @ 9)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #1 0x7fff5f6ffb30 b   
resource:///org/gnome/shell/ui/tweener.js:105 (0x7f38c40df230 @ 36)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #2 0x7fff5f6ffbd0 b   
resource:///org/gnome/shell/ui/tweener.js:92 (0x7f38c40df098 @ 52)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #3 0x7fff5f7009f0 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:203 (0x7f38c40e9cd0 @ 54)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #4 0x7fff5f700b40 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:332 (0x7f38c40e9d58 @ 1626)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #5 0x7fff5f700bf0 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:345 (0x7f38c40e9de0 @ 100)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #6 0x7fff5f700c80 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:360 (0x7f38c40e9e68 @ 10)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #7 0x7fff5f700d00 I   
resource:///org/gnome/gjs/modules/signals.js:126 (0x7f38c40e2b38 @ 386)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #8 0x7fff5f700db0 b   
resource:///org/gnome/shell/ui/tweener.js:208 (0x7f38c40df808 @ 159)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #9 0x7fff5f700e10 I   
resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f38c40c2bc0 @ 71)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #10 0x7fff5f700e10 I   
resource:///org/gnome/shell/ui/tweener.js:183 (0x7f38c40df780 @ 20)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #11 0x7fff5f700ee0 b   
self-hosted:917 (0x7f38c40ee5e8 @ 394)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: == Stack trace for context 
0x55c40593a000 ==
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #0 0x7fff5f6ffa90 b   
resource:///org/gnome/shell/ui/tweener.js:80 (0x7f38c40ddef0 @ 82)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #1 0x7fff5f6ffb30 b   
resource:///org/gnome/shell/ui/tweener.js:105 (0x7f38c40df230 @ 36)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #2 0x7fff5f6ffbd0 b   
resource:///org/gnome/shell/ui/tweener.js:92 (0x7f38c40df098 @ 52)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #3 0x7fff5f7009f0 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:203 (0x7f38c40e9cd0 @ 54)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #4 0x7fff5f700b40 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:332 (0x7f38c40e9d58 @ 1626)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #5 0x7fff5f700bf0 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:345 (0x7f38c40e9de0 @ 100)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #6 0x7fff5f700c80 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:360 (0x7f38c40e9e68 @ 10)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #7 0x7fff5f700d00 I   
resource:///org/gnome/gjs/modules/signals.js:126 (0x7f38c40e2b38 @ 386)
  Feb  5 16:15:01 fog gnome-shell[5676]: Object Clutter.Actor (0x55c40977de50), 
has been already finalized. Impossible to set any property to it.
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #8 0x7fff5f700db0 b   
resource:///org/gnome/shell/ui/tweener.js:208 (0x7f38c40df808 @ 159)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #9 0x7fff5f700e10 I   
resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f38c40c2bc0 @ 71)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #10 0x7fff5f700e10 I   
resource:///org/gnome/shell/ui/tweener.js:183 (0x7f38c40df780 @ 20)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #11 0x7fff5f700ee0 b   
self-hosted:917 (0x7f38c40ee5e8 @ 394)
  Feb  5 16:15:01 fog gnome-shell[5676]: Object St.BoxLayout (0x55c405abbf60), 
has been already finalized. Impossible to get any property from it.
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: == Stack trace for context 
0x55c40593a000 ==
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #0 0x7fff5f6ff940 b   
resource:///org/gnome/shell/ui/tweener.js:73 (0x7f38c40ddef0 @ 9)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #1 0x7fff5f6ff9e0 b   
resource:///org/gnome/shell/ui/tweener.js:105 (0x7f38c40df230 @ 36)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #2 0x7fff5f6ffa80 b   
resource:///org/gnome/shell/ui/tweener.js:92 (0x7f38c40df098 @ 52)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #3 0x7fff5f7009f0 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:203 (0x7f38c40e9cd0 @ 54)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #4 0x7fff5f700b40 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:332 (0x7f38c40e9d58 @ 1626)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #5 0x7fff5f700bf0 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:345 (0x7f38c40e9de0 @ 100)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #6 0x7fff5f700c80 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:360 (0x7f38c40e9e68 @ 10)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #7 0x7fff5f700d00 I   
resource:///org/gnome/gjs/modules/signals.js:126 (0x7f38c40e2b38 @ 386)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #8 0x7fff5f700db0 b   
resource:///org/gnome/shell/ui/tweener.js:208 (0x7f38c40df808 @ 159)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #9 0x7fff5f700e10 I   
resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f38c40c2bc0 @ 71)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #10 0x7fff5f700e10 I   
resource:///org/gnome/shell/ui/tweener.js:183 (0x7f38c40df780 @ 20)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #11 0x7fff5f700ee0 b   
self-hosted:917 (0x7f38c40ee5e8 @ 394)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: == Stack trace for context 
0x55c40593a000 ==
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #0 0x7fff5f6ff940 b   
resource:///org/gnome/shell/ui/tweener.js:80 (0x7f38c40ddef0 @ 82)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #1 0x7fff5f6ff9e0 b   
resource:///org/gnome/shell/ui/tweener.js:105 (0x7f38c40df230 @ 36)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #2 0x7fff5f6ffa80 b   
resource:///org/gnome/shell/ui/tweener.js:92 (0x7f38c40df098 @ 52)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #3 0x7fff5f7009f0 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:203 (0x7f38c40e9cd0 @ 54)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #4 0x7fff5f700b40 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:332 (0x7f38c40e9d58 @ 1626)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #5 0x7fff5f700bf0 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:345 (0x7f38c40e9de0 @ 100)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #6 0x7fff5f700c80 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:360 (0x7f38c40e9e68 @ 10)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #7 0x7fff5f700d00 I   
resource:///org/gnome/gjs/modules/signals.js:126 (0x7f38c40e2b38 @ 386)
  Feb  5 16:15:01 fog gnome-shell[5676]: Object St.BoxLayout (0x55c405abbf60), 
has been already finalized. Impossible to set any property to it.
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #8 0x7fff5f700db0 b   
resource:///org/gnome/shell/ui/tweener.js:208 (0x7f38c40df808 @ 159)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #9 0x7fff5f700e10 I   
resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f38c40c2bc0 @ 71)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #10 0x7fff5f700e10 I   
resource:///org/gnome/shell/ui/tweener.js:183 (0x7f38c40df780 @ 20)
  Feb  5 16:15:01 fog org.gnome.Shell.desktop[5676]: #11 0x7fff5f700ee0 b   
self-hosted:917 (0x7f38c40ee5e8 @ 394)
  Feb  5 16:15:02 fog gnome-shell[5676]: Object Clutter.Actor (0x55c409112b40), 
has been already finalized. Impossible to get any property from it.
  Feb  5 16:15:02 fog gnome-shell[5676]: Object Clutter.Actor (0x55c409112b40), 
has been already finalized. Impossible to set any property to it.
  Feb  5 16:15:02 fog org.gnome.Shell.desktop[5676]: == Stack trace for context 
0x55c40593a000 ==
  Feb  5 16:15:02 fog org.gnome.Shell.desktop[5676]: #0 0x7fff5f7008e0 b   
resource:///org/gnome/shell/ui/tweener.js:73 (0x7f38c40ddef0 @ 9)
  Feb  5 16:15:02 fog org.gnome.Shell.desktop[5676]: #1 0x7fff5f700980 b   
resource:///org/gnome/shell/ui/tweener.js:105 (0x7f38c40df230 @ 36)
  Feb  5 16:15:02 fog org.gnome.Shell.desktop[5676]: #2 0x7fff5f700a20 b   
resource:///org/gnome/shell/ui/tweener.js:92 (0x7f38c40df098 @ 52)
  Feb  5 16:15:02 fog org.gnome.Shell.desktop[5676]: #3 0x7fff5f700a90 I   
resource:///org/gnome/gjs/modules/tweener/tweener.js:203 (0x7f38c40e9cd0 @ 54)
  Feb  5 16:15:02 fog org.gnome.Shell.desktop[5676]: #4 0x7fff5f700be0 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:332 (0x7f38c40e9d58 @ 1626)
  Feb  5 16:15:02 fog org.gnome.Shell.desktop[5676]: #5 0x7fff5f700c90 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:345 (0x7f38c40e9de0 @ 100)
  Feb  5 16:15:02 fog org.gnome.Shell.desktop[5676]: #6 0x7fff5f700d20 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:360 (0x7f38c40e9e68 @ 10)
  Feb  5 16:15:02 fog org.gnome.Shell.desktop[5676]: #7 0x7fff5f700da0 I   
resource:///org/gnome/gjs/modules/signals.js:126 (0x7f38c40e2b38 @ 386)
  Feb  5 16:15:02 fog org.gnome.Shell.desktop[5676]: #8 0x7fff5f700e50 b   
resource:///org/gnome/shell/ui/tweener.js:208 (0x7f38c40df808 @ 159)
  Feb  5 16:15:02 fog org.gnome.Shell.desktop[5676]: #9 0x7fff5f700eb0 I   
resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f38c40c2bc0 @ 71)
  Feb  5 16:15:02 fog org.gnome.Shell.desktop[5676]: #10 0x7fff5f700eb0 I   
resource:///org/gnome/shell/ui/tweener.js:183 (0x7f38c40df780 @ 20)
  Feb  5 16:15:02 fog org.gnome.Shell.desktop[5676]: #11 0x7fff5f700f50 I   
self-hosted:917 (0x7f38c40ee5e8 @ 394)
  Feb  5 16:15:02 fog org.gnome.Shell.desktop[5676]: == Stack trace for context 
0x55c40593a000 ==
  Feb  5 16:15:02 fog org.gnome.Shell.desktop[5676]: #0 0x7fff5f7008e0 b   
resource:///org/gnome/shell/ui/tweener.js:80 (0x7f38c40ddef0 @ 82)
  Feb  5 16:15:02 fog org.gnome.Shell.desktop[5676]: #1 0x7fff5f700980 b   
resource:///org/gnome/shell/ui/tweener.js:105 (0x7f38c40df230 @ 36)
  Feb  5 16:15:02 fog org.gnome.Shell.desktop[5676]: #2 0x7fff5f700a20 b   
resource:///org/gnome/shell/ui/tweener.js:92 (0x7f38c40df098 @ 52)
  Feb  5 16:15:02 fog org.gnome.Shell.desktop[5676]: #3 0x7fff5f700a90 I   
resource:///org/gnome/gjs/modules/tweener/tweener.js:203 (0x7f38c40e9cd0 @ 54)
  Feb  5 16:15:02 fog org.gnome.Shell.desktop[5676]: #4 0x7fff5f700be0 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:332 (0x7f38c40e9d58 @ 1626)
  Feb  5 16:15:02 fog org.gnome.Shell.desktop[5676]: #5 0x7fff5f700c90 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:345 (0x7f38c40e9de0 @ 100)
  Feb  5 16:15:02 fog org.gnome.Shell.desktop[5676]: #6 0x7fff5f700d20 b   
resource:///org/gnome/gjs/modules/tweener/tweener.js:360 (0x7f38c40e9e68 @ 10)
  Feb  5 16:15:02 fog org.gnome.Shell.desktop[5676]: #7 0x7fff5f700da0 I   
resource:///org/gnome/gjs/modules/signals.js:126 (0x7f38c40e2b38 @ 386)
  Feb  5 16:15:02 fog org.gnome.Shell.desktop[5676]: #8 0x7fff5f700e50 b   
resource:///org/gnome/shell/ui/tweener.js:208 (0x7f38c40df808 @ 159)
  Feb  5 16:15:02 fog org.gnome.Shell.desktop[5676]: #9 0x7fff5f700eb0 I   
resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f38c40c2bc0 @ 71)
  Feb  5 16:15:02 fog org.gnome.Shell.desktop[5676]: #10 0x7fff5f700eb0 I   
resource:///org/gnome/shell/ui/tweener.js:183 (0x7f38c40df780 @ 20)

-- 
You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1747566

Title:
  Object ..., has been already finalized. Impossible to get any property
  from it. ... (stack trace in tweener.js)

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