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 Desktop Packages, 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) Status in gnome-shell package in Ubuntu: Incomplete Bug description: I'm seeing a several gigs (more than 70GB) a day of the following entries on syslog: May 21 23:54:55 fc553042 org.gnome.Shell.desktop[1469]: == Stack trace for context 0x557ebb0a3320 == May 21 23:54:55 fc553042 org.gnome.Shell.desktop[1469]: #0 0x7ffcc6cedf80 I resource:///org/gnome/shell/ui/osdWindow.js:206 (0x7f31f00c96f8 @ 231) May 21 23:54:55 fc553042 org.gnome.Shell.desktop[1469]: #1 0x7ffcc6cedff0 I resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f31d4db5de0 @ 71) May 21 23:54:55 fc553042 org.gnome.Shell.desktop[1469]: #2 0x7ffcc6cedff0 I self-hosted:915 (0x7f31d4df12b8 @ 367) May 21 23:54:55 fc553042 org.gnome.Shell.desktop[1469]: #3 0x7ffcc6cee090 I resource:///org/gnome/gjs/modules/signals.js:128 (0x7f31d4dd3230 @ 386) May 21 23:54:55 fc553042 org.gnome.Shell.desktop[1469]: #4 0x7ffcc6cee140 b resource:///org/gnome/shell/ui/layout.js:531 (0x7f31f00042b8 @ 127) May 21 23:54:55 fc553042 org.gnome.Shell.desktop[1469]: #5 0x7ffcc6cee1b0 I resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f31d4db5de0 @ 71) May 21 23:54:55 fc553042 org.gnome.Shell.desktop[1469]: #6 0x7ffcc6cee1b0 I self-hosted:915 (0x7f31d4df12b8 @ 367) May 21 23:54:55 fc553042 org.gnome.Shell.desktop[1469]: == Stack trace for context 0x557ebb0a3320 == May 21 23:54:55 fc553042 org.gnome.Shell.desktop[1469]: #0 0x7ffcc6cedf80 I resource:///org/gnome/shell/ui/osdWindow.js:207 (0x7f31f00c96f8 @ 258) May 21 23:54:55 fc553042 org.gnome.Shell.desktop[1469]: #1 0x7ffcc6cedff0 I resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f31d4db5de0 @ 71) May 21 23:54:55 fc553042 org.gnome.Shell.desktop[1469]: #2 0x7ffcc6cedff0 I self-hosted:915 (0x7f31d4df12b8 @ 367) May 21 23:54:55 fc553042 org.gnome.Shell.desktop[1469]: #3 0x7ffcc6cee090 I resource:///org/gnome/gjs/modules/signals.js:128 (0x7f31d4dd3230 @ 386) May 21 23:54:55 fc553042 org.gnome.Shell.desktop[1469]: #4 0x7ffcc6cee140 b resource:///org/gnome/shell/ui/layout.js:531 (0x7f31f00042b8 @ 127) May 21 23:54:55 fc553042 org.gnome.Shell.desktop[1469]: #5 0x7ffcc6cee1b0 I resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f31d4db5de0 @ 71) May 21 23:54:55 fc553042 org.gnome.Shell.desktop[1469]: #6 0x7ffcc6cee1b0 I self-hosted:915 (0x7f31d4df12b8 @ 367) May 21 23:54:55 fc553042 org.gnome.Shell.desktop[1469]: == Stack trace for context 0x557ebb0a3320 == May 21 23:54:55 fc553042 org.gnome.Shell.desktop[1469]: #0 0x7ffcc6cedf80 I resource:///org/gnome/shell/ui/osdWindow.js:206 (0x7f31f00c96f8 @ 231) May 21 23:54:55 fc553042 org.gnome.Shell.desktop[1469]: #1 0x7ffcc6cedff0 I resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f31d4db5de0 @ 71) May 21 23:54:55 fc553042 org.gnome.Shell.desktop[1469]: #2 0x7ffcc6cedff0 I self-hosted:915 (0x7f31d4df12b8 @ 367) May 21 23:54:55 fc553042 org.gnome.Shell.desktop[1469]: #3 0x7ffcc6cee090 I resource:///org/gnome/gjs/modules/signals.js:128 (0x7f31d4dd3230 @ 386) May 21 23:54:55 fc553042 org.gnome.Shell.desktop[1469]: #4 0x7ffcc6cee140 b resource:///org/gnome/shell/ui/layout.js:531 (0x7f31f00042b8 @ 127) May 21 23:54:55 fc553042 org.gnome.Shell.desktop[1469]: #5 0x7ffcc6cee1b0 I resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f31d4db5de0 @ 71) May 21 23:54:55 fc553042 org.gnome.Shell.desktop[1469]: #6 0x7ffcc6cee1b0 I self-hosted:915 (0x7f31d4df12b8 @ 367) May 21 23:54:55 fc553042 org.gnome.Shell.desktop[1469]: == Stack trace for context 0x557ebb0a3320 == May 21 23:54:55 fc553042 org.gnome.Shell.desktop[1469]: #0 0x7ffcc6cedf80 I resource:///org/gnome/shell/ui/osdWindow.js:207 (0x7f31f00c96f8 @ 258) May 21 23:54:55 fc553042 gnome-shell[1469]: Object St.Icon (0x557eca1b2e90), has been already finalized. Impossible to set any property to it. May 21 23:54:55 fc553042 org.gnome.Shell.desktop[1469]: #1 0x7ffcc6cedff0 I resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f31d4db5de0 @ 71) gnome-shell: Installed: 3.28.1-0ubuntu2 Candidate: 3.28.1-0ubuntu2 Version table: *** 3.28.1-0ubuntu2 500 500 http://br.archive.ubuntu.com/ubuntu bionic/main amd64 Packages 100 /var/lib/dpkg/status No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 18.04 LTS Release: 18.04 Codename: bionic There's similar bug that should be related to this one https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1747566 but that fix didn't work for me. --- ApportVersion: 2.20.9-0ubuntu7 Architecture: amd64 DisplayManager: gdm3 DistroRelease: Ubuntu 18.04 EcryptfsInUse: Yes GsettingsChanges: b'org.gnome.shell' b'enabled-extensions' b"['pidgin-persistent-notificat...@ikkoku.de']" b'org.gnome.shell' b'app-picker-view' b'uint32 1' b'org.gnome.shell' b'favorite-apps' redacted by apport b'org.gnome.desktop.interface' b'toolkit-accessibility' b'true' b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'" InstallationDate: Installed on 2017-10-24 (211 days ago) InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018) Package: gnome-shell 3.28.1-0ubuntu2 PackageArchitecture: amd64 ProcVersionSignature: Ubuntu 4.15.0-22.24-generic 4.15.17 Tags: bionic Uname: Linux 4.15.0-22-generic x86_64 UpgradeStatus: Upgraded to bionic on 2018-05-03 (20 days ago) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1772677/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp