I noticed something this morning that may pertain to this bug report. I'm sure it's been happening for quite awhile but it just happened to catch my eye. Syslog reports:
Jan 14 11:38:50 localhost colord[1519]: (colord:1519): Cd-WARNING **: failed to get session [pid 9641]: No such device or address Coincidentally pid 9641 is 9641 root 20 0 94600 8728 6316 S 0.0 0.2 0:00.02 cupsd It also seems that the pid of cupsd changes every six minutes Jan 14 11:32:49 localhost colord[1519]: (colord:1519): Cd-WARNING **: failed to get session [pid 9302]: No such device or address Jan 14 11:38:50 localhost colord[1519]: (colord:1519): Cd-WARNING **: failed to get session [pid 9641]: No such device or address Jan 14 11:45:49 localhost colord[1519]: (colord:1519): Cd-WARNING **: failed to get session [pid 9951]: No such device or address 9951 root 20 0 94604 8660 6244 S 0.0 0.2 0:00.03 cupsd -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-settings-daemon in Ubuntu. https://bugs.launchpad.net/bugs/1635715 Title: failed to connect to device: Failed to connect to missing device /org/freedesktop/ColorManager/devices/cups_HP_LaserJet_1020 Status in gnome-settings-daemon package in Ubuntu: Confirmed Bug description: The complete errors that are shown together are: Oct 18 08:20:51 localhost systemd[1]: Started CUPS Scheduler. Oct 18 08:20:51 localhost gnome-session[1504]: (gnome-settings-daemon:1533): color-plugin-WARNING **: failed to connect to device: Failed to connect to missing device /org/freedesktop/ColorManager/devices/cups_HP_LaserJet_1020 Oct 18 08:20:51 localhost gnome-session[1504]: (gnome-settings-daemon:1533): color-plugin-WARNING **: failed to connect to device: Failed to connect to missing device /org/freedesktop/ColorManager/devices/cups_PDF Distributor ID: Ubuntu Description: Ubuntu 16.04.1 LTS Release: 16.04 Codename: xenial gnome-settings-daemon: Installed: 3.18.2-0ubuntu3.1 Candidate: 3.18.2-0ubuntu3.1 Version table: *** 3.18.2-0ubuntu3.1 500 500 http://us.archive.ubuntu.com/ubuntu xenial-updates/universe amd64 Packages 100 /var/lib/dpkg/status 3.18.2-0ubuntu3 500 500 http://us.archive.ubuntu.com/ubuntu xenial/universe amd64 Packages This happens quite frequently and I'm not sure of the cause. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-settings-daemon/+bug/1635715/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
