Reinstalled the same NUC with 18.10, installed package updates & rebooted.
Relevant syslog attached, detail starts at timestamp Oct 29 15:32:28 when installation was locked. The stack traces appear to occur every 10 seconds once locked when checking the output of "grep osdWindow.js syslog". Log excerpt with one block of traces: Oct 29 15:32:28 grcnuc16 gnome-shell[3808]: Object St.Icon (0x556511f83350), has been already deallocated — impossible to set any property on it. This might be caused by the object having been destroyed from C code using something such as destroy(), dispose(), or remove() vfuncs. Oct 29 15:32:28 grcnuc16 org.gnome.Shell.desktop[3808]: == Stack trace for context 0x5565111331c0 == Oct 29 15:32:28 grcnuc16 org.gnome.Shell.desktop[3808]: #0 5565119fed20 i resource:///org/gnome/shell/ui/osdWindow.js:223 (7f11417c78b0 @ 231) Oct 29 15:32:28 grcnuc16 org.gnome.Shell.desktop[3808]: #1 7ffeba144840 b resource:///org/gnome/gjs/modules/_legacy.js:82 (7f11419b0b80 @ 71) Oct 29 15:32:28 grcnuc16 org.gnome.Shell.desktop[3808]: #2 7ffeba145450 b self-hosted:977 (7f11419f01f0 @ 413) Oct 29 15:32:28 grcnuc16 org.gnome.Shell.desktop[3808]: #3 7ffeba145540 b resource:///org/gnome/gjs/modules/signals.js:128 (7f11419c18b0 @ 386) Oct 29 15:32:28 grcnuc16 org.gnome.Shell.desktop[3808]: #4 5565119fec98 i resource:///org/gnome/shell/ui/layout.js:538 (7f1141704310 @ 127) Oct 29 15:32:28 grcnuc16 org.gnome.Shell.desktop[3808]: #5 5565119febf0 i resource:///org/gnome/gjs/modules/_legacy.js:82 (7f11419b0b80 @ 71) Oct 29 15:32:28 grcnuc16 org.gnome.Shell.desktop[3808]: #6 5565119feb30 i self-hosted:977 (7f11419f01f0 @ 413) Oct 29 15:32:28 grcnuc16 org.gnome.Shell.desktop[3808]: == Stack trace for context 0x5565111331c0 == Oct 29 15:32:28 grcnuc16 org.gnome.Shell.desktop[3808]: #0 5565119fed20 i resource:///org/gnome/shell/ui/osdWindow.js:224 (7f11417c78b0 @ 273) Oct 29 15:32:28 grcnuc16 org.gnome.Shell.desktop[3808]: #1 7ffeba144840 b resource:///org/gnome/gjs/modules/_legacy.js:82 (7f11419b0b80 @ 71) Oct 29 15:32:28 grcnuc16 org.gnome.Shell.desktop[3808]: #2 7ffeba145450 b self-hosted:977 (7f11419f01f0 @ 413) Oct 29 15:32:28 grcnuc16 org.gnome.Shell.desktop[3808]: #3 7ffeba145540 b resource:///org/gnome/gjs/modules/signals.js:128 (7f11419c18b0 @ 386) Oct 29 15:32:28 grcnuc16 org.gnome.Shell.desktop[3808]: #4 5565119fec98 i resource:///org/gnome/shell/ui/layout.js:538 (7f1141704310 @ 127) Oct 29 15:32:28 grcnuc16 org.gnome.Shell.desktop[3808]: #5 5565119febf0 i resource:///org/gnome/gjs/modules/_legacy.js:82 (7f11419b0b80 @ 71) Oct 29 15:32:28 grcnuc16 org.gnome.Shell.desktop[3808]: #6 5565119feb30 i self-hosted:977 (7f11419f01f0 @ 413) Oct 29 15:32:28 grcnuc16 gnome-shell[3808]: Object St.BoxLayout (0x5565118f0710), has been already deallocated — impossible to set any property on it. This might be caused by the object having been destroyed from C code using something such as destroy(), dispose(), or remove() vfuncs. ** Attachment added: "syslog" https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1772677/+attachment/5206619/+files/syslog -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1772677 Title: gnome-shell filling up syslog with thousands of entries (stack traces ending in osdWindow.js:206/207) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1772677/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs