May 31 20:12:14 saegusa gnome-shell[37917]: Attempting to run a JS callback during garbage collection. This is most likely caused by destroying a Clutter actor or GTK widget with ::destroy signal connected, or using the destroy(), dispose(), or remove() vfuncs. Because it would crash the application, it has been blocked. May 31 20:12:14 saegusa gnome-shell[37917]: == Stack trace for context 0x55ce9c29a2a0 == May 31 20:12:14 saegusa gnome-shell[37917]: message repeated 10 times: [ == Stack trace for context 0x55ce9c29a2a0 ==] May 31 20:12:14 saegusa gnome-shell[37917]: The offending callback was get_preferred_height(), a vfunc. May 31 20:12:14 saegusa gnome-shell[37917]: Attempting to run a JS callback during garbage collection. This is most likely caused by destroying a Clutter actor or GTK widget with ::destroy signal connected, or using the destroy(), dispose(), or remove() vfuncs. Because it would crash the application, it has been blocked. May 31 20:12:14 saegusa gnome-shell[37917]: The offending callback was get_preferred_height(), a vfunc. May 31 20:12:14 saegusa gnome-shell[37917]: Attempting to run a JS callback during garbage collection. This is most likely caused by destroying a Clutter actor or GTK widget with ::destroy signal connected, or using the destroy(), dispose(), or remove() vfuncs. Because it would crash the application, it has been blocked. May 31 20:12:14 saegusa gnome-shell[37917]: The offending callback was get_preferred_width(), a vfunc. May 31 20:12:14 saegusa gnome-shell[37917]: Attempting to run a JS callback during garbage collection. This is most likely caused by destroying a Clutter actor or GTK widget with ::destroy signal connected, or using the destroy(), dispose(), or remove() vfuncs. Because it would crash the application, it has been blocked. May 31 20:12:14 saegusa gnome-shell[37917]: The offending callback was get_preferred_width(), a vfunc. May 31 20:12:14 saegusa gnome-shell[37917]: Attempting to run a JS callback during garbage collection. This is most likely caused by destroying a Clutter actor or GTK widget with ::destroy signal connected, or using the destroy(), dispose(), or remove() vfuncs. Because it would crash the application, it has been blocked. May 31 20:12:14 saegusa gnome-shell[37917]: The offending callback was get_preferred_width(), a vfunc. May 31 20:12:14 saegusa gnome-shell[37917]: Attempting to run a JS callback during garbage collection. This is most likely caused by destroying a Clutter actor or GTK widget with ::destroy signal connected, or using the destroy(), dispose(), or remove() vfuncs. Because it would crash the application, it has been blocked. May 31 20:12:14 saegusa gnome-shell[37917]: The offending callback was get_preferred_width(), a vfunc. May 31 20:12:14 saegusa gnome-shell[37917]: Attempting to run a JS callback during garbage collection. This is most likely caused by destroying a Clutter actor or GTK widget with ::destroy signal connected, or using the destroy(), dispose(), or remove() vfuncs. Because it would crash the application, it has been blocked. May 31 20:12:14 saegusa gnome-shell[37917]: The offending callback was get_preferred_width(), a vfunc. May 31 20:12:14 saegusa gnome-shell[37917]: Attempting to run a JS callback during garbage collection. This is most likely caused by destroying a Clutter actor or GTK widget with ::destroy signal connected, or using the destroy(), dispose(), or remove() vfuncs. Because it would crash the application, it has been blocked. May 31 20:12:14 saegusa gnome-shell[37917]: The offending callback was get_preferred_height(), a vfunc. May 31 20:12:14 saegusa gnome-shell[37917]: Attempting to run a JS callback during garbage collection. This is most likely caused by destroying a Clutter actor or GTK widget with ::destroy signal connected, or using the destroy(), dispose(), or remove() vfuncs. Because it would crash the application, it has been blocked. May 31 20:12:14 saegusa gnome-shell[37917]: The offending callback was allocate(), a vfunc. May 31 20:12:14 saegusa gnome-shell[37917]: Attempting to call back into JSAPI during the sweeping phase of GC. This is most likely caused by not destroying a Clutter actor or Gtk+ widget with ::destroy signals connected, but can also be caused by using the destroy(), dispose(), or remove() vfuncs. Because it would crash the application, it has been blocked and the JS callback not invoked. May 31 20:12:14 saegusa gnome-shell[37917]: The offending signal was notify on Gjs_ubuntu-dock_ubuntu_com_docking_DashToDock 0x55ce9e871f50. May 31 20:12:14 saegusa gnome-shell[37917]: Attempting to call back into JSAPI during the sweeping phase of GC. This is most likely caused by not destroying a Clutter actor or Gtk+ widget with ::destroy signals connected, but can also be caused by using the destroy(), dispose(), or remove() vfuncs. Because it would crash the application, it has been blocked and the JS callback not invoked. May 31 20:12:14 saegusa gnome-shell[37917]: The offending signal was notify on Gjs_ubuntu-dock_ubuntu_com_docking_DashToDock 0x55ce9e871f50. May 31 20:12:14 saegusa gnome-shell[37917]: Attempting to run a JS callback during garbage collection. This is most likely caused by destroying a Clutter actor or GTK widget with ::destroy signal connected, or using the destroy(), dispose(), or remove() vfuncs. Because it would crash the application, it has been blocked. May 31 20:12:14 saegusa gnome-shell[37917]: The offending callback was SourceFunc(). May 31 20:12:14 saegusa gnome-shell[37917]: == Stack trace for context 0x55ce9c29a2a0 == May 31 20:12:14 saegusa gnome-shell[37917]: Attempting to call back into JSAPI during the sweeping phase of GC. This is most likely caused by not destroying a Clutter actor or Gtk+ widget with ::destroy signals connected, but can also be caused by using the destroy(), dispose(), or remove() vfuncs. Because it would crash the application, it has been blocked and the JS callback not invoked. May 31 20:12:14 saegusa gnome-shell[37917]: The offending signal was notify on StLabel 0x55ce9d8bc810. May 31 20:12:14 saegusa gnome-shell[37917]: == Stack trace for context 0x55ce9c29a2a0 == May 31 20:12:14 saegusa gnome-shell[37917]: Attempting to run a JS callback during garbage collection. This is most likely caused by destroying a Clutter actor or GTK widget with ::destroy signal connected, or using the destroy(), dispose(), or remove() vfuncs. Because it would crash the application, it has been blocked. May 31 20:12:14 saegusa gnome-shell[37917]: The offending callback was get_preferred_height(), a vfunc. May 31 20:12:14 saegusa gnome-shell[37917]: == Stack trace for context 0x55ce9c29a2a0 == May 31 20:12:14 saegusa gnome-shell[37917]: message repeated 4 times: [ == Stack trace for context 0x55ce9c29a2a0 ==] May 31 20:12:14 saegusa gnome-shell[37917]: Attempting to run a JS callback during garbage collection. This is most likely caused by destroying a Clutter actor or GTK widget with ::destroy signal connected, or using the destroy(), dispose(), or remove() vfuncs. Because it would crash the application, it has been blocked. May 31 20:12:14 saegusa gnome-shell[37917]: The offending callback was get_preferred_width(), a vfunc. May 31 20:12:14 saegusa gnome-shell[37917]: Attempting to run a JS callback during garbage collection. This is most likely caused by destroying a Clutter actor or GTK widget with ::destroy signal connected, or using the destroy(), dispose(), or remove() vfuncs. Because it would crash the application, it has been blocked. May 31 20:12:14 saegusa gnome-shell[37917]: == Stack trace for context 0x55ce9c29a2a0 == May 31 20:12:14 saegusa gnome-shell[37917]: == Stack trace for context 0x55ce9c29a2a0 == May 31 20:12:14 saegusa gnome-shell[37917]: The offending callback was get_preferred_width(), a vfunc. May 31 20:12:14 saegusa gnome-shell[37917]: Attempting to run a JS callback during garbage collection. This is most likely caused by destroying a Clutter actor or GTK widget with ::destroy signal connected, or using the destroy(), dispose(), or remove() vfuncs. Because it would crash the application, it has been blocked. May 31 20:12:14 saegusa gnome-shell[37917]: The offending callback was get_preferred_width(), a vfunc. May 31 20:12:14 saegusa gnome-shell[37917]: Attempting to run a JS callback during garbage collection. This is most likely caused by destroying a Clutter actor or GTK widget with ::destroy signal connected, or using the destroy(), dispose(), or remove() vfuncs. Because it would crash the application, it has been blocked. May 31 20:12:14 saegusa gnome-shell[37917]: The offending callback was allocate(), a vfunc. May 31 20:12:14 saegusa gnome-shell[37917]: Attempting to run a JS callback during garbage collection. This is most likely caused by destroying a Clutter actor or GTK widget with ::destroy signal connected, or using the destroy(), dispose(), or remove() vfuncs. Because it would crash the application, it has been blocked. May 31 20:12:14 saegusa gnome-shell[37917]: The offending callback was leave_event(), a vfunc. May 31 20:12:14 saegusa gnome-shell[37917]: Attempting to call back into JSAPI during the sweeping phase of GC. This is most likely caused by not destroying a Clutter actor or Gtk+ widget with ::destroy signals connected, but can also be caused by using the destroy(), dispose(), or remove() vfuncs. Because it would crash the application, it has been blocked and the JS callback not invoked. May 31 20:12:14 saegusa gnome-shell[37917]: The offending signal was enter-event on MetaStage 0x55ce9c5d0db0.