Public bug reported: journalctl -f
pkexec[11203]: gdm: Error executing command as another user: Not authorized [USER=root] [TTY=unknown] [CWD=/var/lib/gdm3] [COMMAND=/usr/lib/gnome-settings-daemon/gsd-backlight-helper --set- brightness 155] lsb_release -a LSB Version: core-9.20160110ubuntu5-amd64:core-9.20160110ubuntu5-noarch:security-9.20160110ubuntu5-amd64:security-9.20160110ubuntu5-noarch Distributor ID: Ubuntu Description: Ubuntu 17.10 Release: 17.10 Codename: artful ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Tags: gdm gnome-settings-daemon pkexec ** Attachment added: "Ubuntu 4.13.0-16.19-lowlatency 4.13.4" https://bugs.launchpad.net/bugs/1726684/+attachment/4990060/+files/version.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1726684 Title: Error for gdm executing gsd-backlight-helper --set-brightness To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1726684/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs