Hi,
I've been seeing this for a few weeks, it happens when I try to move a
window from one monitor to the other.
Bits of log from today:
Nov 30 15:48:54 carotte gnome-shell[488815]: Object .Gjs_ui_windowPreview_WindowPreview (0x5638f1b45bc0), has been already disposed — impossible to access it. This might be caused by the object having been dest>
Nov 30 15:48:54 carotte gnome-shell[488815]: == Stack trace for context 0x5638edbea7b0 ==
Nov 30 15:48:54 carotte gnome-shell[488815]: #0 5638f1d81560 i resource:///org/gnome/shell/ui/windowPreview.js:645 (1ac9a09c4150 @ 195)
Nov 30 15:48:54 carotte gnome-shell[488815]: #1 7ffe8e416ab0 b resource:///org/gnome/shell/ui/windowPreview.js:353 (1ac9a09c2880 @ 62)
Nov 30 15:48:54 carotte gnome-shell[488815]: #2 5638f1d814d0 i resource:///org/gnome/shell/ui/windowPreview.js:591 (1ac9a09c2fb0 @ 75)
Nov 30 15:48:54 carotte gnome-shell[488815]: #3 5638f1d81440 i resource:///org/gnome/shell/ui/workspace.js:1355 (1ac9a09c1f60 @ 94)
Nov 30 15:48:54 carotte gnome-shell[488815]: #4 5638f1d81358 i resource:///org/gnome/shell/ui/windowPreview.js:345 (1ac9a09c27e0 @ 822)
Nov 30 15:48:54 carotte gnome-shell[488815]: #5 5638f1d812c8 i resource:///org/gnome/shell/ui/windowPreview.js:551 (1ac9a09c2e70 @ 18)
Nov 30 15:48:54 carotte gnome-shell[488815]: clutter_actor_set_child_above_sibling: assertion 'sibling->priv->parent == self' failed
Nov 30 15:48:59 carotte gnome-shell[488815]: **
Nov 30 15:48:59 carotte gnome-shell[488815]: libmutter:ERROR:../src/core/window.c:5156:meta_window_set_focused_internal: assertion failed: (link)
Nov 30 15:48:59 carotte gnome-shell[488815]: Bail out! libmutter:ERROR:../src/core/window.c:5156:meta_window_set_focused_internal: assertion failed: (link)
Nov 30 15:48:59 carotte gnome-shell[488815]: == Stack trace for context 0x5638edbea7b0 ==
Nov 30 15:48:59 carotte gnome-shell[488815]: #0 7ffe8e416c90 b resource:///org/gnome/shell/ui/main.js:658 (198ec19bf8d0 @ 371)
Nov 30 15:48:59 carotte gnome-shell[488815]: #1 5638f1d81500 i resource:///org/gnome/shell/ui/dnd.js:211 (198ec19e3ab0 @ 61)
Nov 30 15:48:59 carotte gnome-shell[488815]: #2 5638f1d81468 i resource:///org/gnome/shell/ui/dnd.js:785 (198ec19fd290 @ 93)
Nov 30 15:48:59 carotte gnome-shell[488815]: #3 5638f1d813d8 i resource:///org/gnome/shell/ui/dnd.js:755 (198ec19fd1f0 @ 73)
Nov 30 15:48:59 carotte gnome-shell[488815]: #4 5638f1d81358 i resource:///org/gnome/shell/ui/dnd.js:420 (198ec19e3c90 @ 12)
Nov 30 15:48:59 carotte gnome-shell[488815]: #5 7ffe8e4181e0 b resource:///org/gnome/shell/ui/workspace.js:1143 (1ac9a09c17e0 @ 75)
Nov 30 15:48:59 carotte gnome-shell[488815]: #6 5638f1d812c8 i resource:///org/gnome/shell/ui/workspace.js:1259 (1ac9a09c1ab0 @ 20)
Nov 30 15:48:59 carotte gnome-shell[488815]: #7 7ffe8e418ca0 b self-hosted:1121 (198ec197eec0 @ 463)
Nov 30 15:48:59 carotte gnome-shell[495852]: (EE) failed to read Wayland events: Broken pipe
Nov 30 15:48:59 carotte firefox-bin[490666]: Error reading events from display: Connection reset by peer
Nov 30 15:48:59 carotte gnome-terminal-[491509]: Error reading events from display: Broken pipe
Nov 30 15:48:59 carotte gsd-color[489171]: Error reading events from display: Broken pipe
Nov 30 15:48:59 carotte gsd-wacom[489199]: Error reading events from display: Broken pipe
Nov 30 15:48:59 carotte gsd-power[489186]: Error reading events from display: Broken pipe
Nov 30 15:48:59 carotte gsd-keyboard[489180]: Error reading events from display: Broken pipe
Nov 30 15:48:59 carotte xdg-desktop-por[489449]: Error reading events from display: Broken pipe
Nov 30 15:48:59 carotte gnome-calendar[490374]: Error reading events from display: Broken pipe
Nov 30 15:48:59 carotte gsd-media-keys[489183]: Error reading events from display: Broken pipe
Nov 30 15:48:59 carotte systemd[1650]: org.gnome.Shell@wayland.service: Main process exited, code=killed, status=6/ABRT
[...]
Cheers,
Julien