You're probably not using 'gnome-shell-extension-brightness-control'. Please run this command to send us more information about the system:
apport-collect 1892747 ** Package changed: gnome-shell-extension-brightness-control (Ubuntu) => gnome-shell (Ubuntu) ** Changed in: gnome-shell (Ubuntu) Status: New => Incomplete -- 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: 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