While using the gnome desktop stack traces are recorded in the journal every
few seconds. I have seen this with settings, firefox and other gtk
applications.

gnome-version-3.28.2-1.2.x86_64

Jul 15 19:46:22 felix.prd.blackhats.net.au gnome-shell[2949]: Object
Meta.WindowActor (0x55c52f4ed720), has been already finalized. Impossible to
get any property from it.
Jul 15 19:46:22 felix.prd.blackhats.net.au gnome-shell[2949]: Object
Meta.WindowActor (0x55c52f4ed720), has been already finalized. Impossible to
set any property to it.
Jul 15 19:46:22 felix.prd.blackhats.net.au org.gnome.Shell.desktop[2949]: ==
Stack trace for context 0x55c52c315330 ==
Jul 15 19:46:22 felix.prd.blackhats.net.au org.gnome.Shell.desktop[2949]: #0
0x55c52c6d3218 i   resource:///org/gnome/shell/ui/tweener.js:73 (0x7fec745c7cd0
@ 9)
Jul 15 19:46:22 felix.prd.blackhats.net.au org.gnome.Shell.desktop[2949]: #1
0x55c52c6d3198 i   resource:///org/gnome/shell/ui/tweener.js:105
(0x7fec745c7f78 @ 36)
Jul 15 19:46:22 felix.prd.blackhats.net.au org.gnome.Shell.desktop[2949]: #2
0x55c52c6d3110 i   resource:///org/gnome/shell/ui/tweener.js:92 (0x7fec745c7de0
@ 52)
Jul 15 19:46:22 felix.prd.blackhats.net.au org.gnome.Shell.desktop[2949]: #3
0x55c52c6d3070 i   resource:///org/gnome/gjs/modules/tweener/tweener.js:208
(0x7fec745d2918 @ 54)
Jul 15 19:46:22 felix.prd.blackhats.net.au org.gnome.Shell.desktop[2949]: #4
0x55c52c6d2f50 i   resource:///org/gnome/gjs/modules/tweener/tweener.js:337
(0x7fec745d29a0 @ 1626)
Jul 15 19:46:22 felix.prd.blackhats.net.au org.gnome.Shell.desktop[2949]: #5
0x55c52c6d2ec0 i   resource:///org/gnome/gjs/modules/tweener/tweener.js:350
(0x7fec745d2a28 @ 100)
Jul 15 19:46:22 felix.prd.blackhats.net.au org.gnome.Shell.desktop[2949]: #6
0x55c52c6d2e48 i   resource:///org/gnome/gjs/modules/tweener/tweener.js:365
(0x7fec745d2ab0 @ 10)
Jul 15 19:46:22 felix.prd.blackhats.net.au org.gnome.Shell.desktop[2949]: #7
0x55c52c6d2d78 i   resource:///org/gnome/gjs/modules/signals.js:128
(0x7fec745cff78 @ 386)
Jul 15 19:46:22 felix.prd.blackhats.net.au org.gnome.Shell.desktop[2949]: #8
0x55c52c6d2ce8 i   resource:///org/gnome/shell/ui/tweener.js:207
(0x7fec745cf5e8 @ 159)
Jul 15 19:46:22 felix.prd.blackhats.net.au org.gnome.Shell.desktop[2949]: #9
0x55c52c6d2c40 i   resource:///org/gnome/gjs/modules/_legacy.js:82
(0x7fec745b5de0 @ 71)
Jul 15 19:46:22 felix.prd.blackhats.net.au org.gnome.Shell.desktop[2949]: #10
0x55c52c6d2bc0 i   resource:///org/gnome/shell/ui/tweener.js:182
(0x7fec745cf560 @ 15)
Jul 15 19:46:22 felix.prd.blackhats.net.au org.gnome.Shell.desktop[2949]: ==
Stack trace for context 0x55c52c315330 ==
Jul 15 19:46:22 felix.prd.blackhats.net.au org.gnome.Shell.desktop[2949]: #0
0x55c52c6d3218 i   resource:///org/gnome/shell/ui/tweener.js:80 (0x7fec745c7cd0
@ 82)
Jul 15 19:46:22 felix.prd.blackhats.net.au org.gnome.Shell.desktop[2949]: #1
0x55c52c6d3198 i   resource:///org/gnome/shell/ui/tweener.js:105
(0x7fec745c7f78 @ 36)
Jul 15 19:46:22 felix.prd.blackhats.net.au org.gnome.Shell.desktop[2949]: #2
0x55c52c6d3110 i   resource:///org/gnome/shell/ui/tweener.js:92 (0x7fec745c7de0
@ 52)
Jul 15 19:46:22 felix.prd.blackhats.net.au org.gnome.Shell.desktop[2949]: #3
0x55c52c6d3070 i   resource:///org/gnome/gjs/modules/tweener/tweener.js:208
(0x7fec745d2918 @ 54)
Jul 15 19:46:22 felix.prd.blackhats.net.au org.gnome.Shell.desktop[2949]: #4
0x55c52c6d2f50 i   resource:///org/gnome/gjs/modules/tweener/tweener.js:337
(0x7fec745d29a0 @ 1626)
Jul 15 19:46:22 felix.prd.blackhats.net.au org.gnome.Shell.desktop[2949]: #5
0x55c52c6d2ec0 i   resource:///org/gnome/gjs/modules/tweener/tweener.js:350
(0x7fec745d2a28 @ 100)
Jul 15 19:46:22 felix.prd.blackhats.net.au org.gnome.Shell.desktop[2949]: #6
0x55c52c6d2e48 i   resource:///org/gnome/gjs/modules/tweener/tweener.js:365
(0x7fec745d2ab0 @ 10)
Jul 15 19:46:22 felix.prd.blackhats.net.au org.gnome.Shell.desktop[2949]: #7
0x55c52c6d2d78 i   resource:///org/gnome/gjs/modules/signals.js:128
(0x7fec745cff78 @ 386)
Jul 15 19:46:22 felix.prd.blackhats.net.au org.gnome.Shell.desktop[2949]: #8
0x55c52c6d2ce8 i   resource:///org/gnome/shell/ui/tweener.js:207
(0x7fec745cf5e8 @ 159)
Jul 15 19:46:22 felix.prd.blackhats.net.au org.gnome.Shell.desktop[2949]: #9
0x55c52c6d2c40 i   resource:///org/gnome/gjs/modules/_legacy.js:82
(0x7fec745b5de0 @ 71)
Jul 15 19:46:22 felix.prd.blackhats.net.au org.gnome.Shell.desktop[2949]: #10
0x55c52c6d2bc0 i   resource:///org/gnome/shell/ui/tweener.js:182
(0x7fec745cf560 @ 15)