So with your tip, I disabled all my extensions until I found Dash To panel extension: https://extensions.gnome.org/extension/1160/dash-to-panel/
When disabling it doesn't crash. ** Bug watch added: github.com/home-sweet-gnome/dash-to-panel/issues #1026 https://github.com/home-sweet-gnome/dash-to-panel/issues/1026 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1877774 Title: gnome-shell crashed with SIGSEGV in _st_theme_node_ensure_background() from st_theme_node_paint_equal() from st_widget_recompute_style() from st_widget_style_changed() [when locking the screen] To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-shell/+bug/1877774/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
