Still getting this erro in Ubuntu 16.04 LTS 4.4.0-22-generic
May 15 15:47:27 hostname systemd[1]: Started CUPS Scheduler.
May 15 15:47:27 hostname colord[1053]: (colord:1053): Cd-WARNING *
*: failed to get session [pid 21870]: No such device or address
Still getting this erro in Ubuntu 16.04 LTS 4.4.0-22-generic
May 15 15:47:27 hostname systemd[1]: Started CUPS Scheduler.
May 15 15:47:27 hostname colord[1053]: (colord:1053): Cd-WARNING *
*: failed to get session [pid 21870]: No such device or address