I can see bug 1849142 is also happening in your logs. Please try disabling 'Ubuntu AppIndicators' in the 'Extensions' app, and then tell us if this bug still happens.
** Tags added: nvidia ** Summary changed: - Ubuntu hangs while changing display brightness from keyboard shortcut + [Dell Vostro 3446] Ubuntu hangs while changing display brightness from keyboard shortcut -- 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/1892747 Title: [Dell Vostro 3446] Ubuntu hangs while changing display brightness from keyboard shortcut To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1892747/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
