With some digging on the gnome gitlab i've actually found what looks like an existing bug report:
https://gitlab.gnome.org/GNOME/gnome-shell/issues/602 Looks like a fix was merged https://gitlab.gnome.org/GNOME/gnome- shell/merge_requests/243 a week ago. -- 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 with stack traces ending in osdWindow.js (lines 206/207 in bionic, lines 223/224 in cosmic) 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