I'm also seeing these same errors on my 16.04.1LTS 64bit install with kernel 4.4.0-34-generic #53-Ubuntu SMP
Aug 13 07:35:12 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 25642]: No such device or address Aug 13 07:41:15 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 25880]: No such device or address Aug 13 07:41:15 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 25880]: No such device or address Aug 13 08:04:40 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 27636]: No such device or address Aug 13 08:04:40 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 27636]: No such device or address Aug 13 08:10:42 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 27919]: No such device or address Aug 13 08:10:42 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 27919]: No such device or address Aug 13 08:13:26 localhost colord-sane: io/hpmud/musb.c 2095: Invalid usb_open: Permission denied Aug 13 08:13:26 localhost colord-sane: io/hpmud/pp.c 627: unable to read device-id ret=-1 Aug 13 08:16:43 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 28182]: No such device or address Aug 13 08:16:43 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 28182]: No such device or address Aug 13 09:03:00 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 30397]: No such device or address Aug 13 09:03:01 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 30397]: No such device or address Aug 13 10:01:20 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 1284]: No such device or address Aug 13 10:01:21 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 1284]: No such device or address Aug 13 10:07:22 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 1514]: No such device or address Aug 13 10:07:22 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 1514]: No such device or address Aug 13 10:13:23 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 1760]: No such device or address Aug 13 10:13:23 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 1760]: No such device or address Aug 13 10:19:25 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 2003]: No such device or address Aug 13 10:19:25 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 2003]: No such device or address Aug 13 10:25:26 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 2264]: No such device or address Aug 13 10:25:26 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 2264]: No such device or address Aug 13 10:59:38 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 3780]: No such device or address Aug 13 10:59:38 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 3780]: No such device or address Aug 13 11:05:39 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 4042]: No such device or address Aug 13 11:05:39 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 4042]: No such device or address Aug 13 11:11:42 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 4353]: No such device or address Aug 13 11:11:42 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 4353]: No such device or address Aug 13 11:17:45 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 10259]: No such device or address Aug 13 11:17:45 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 10259]: No such device or address Aug 13 11:23:49 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 10586]: No such device or address Aug 13 11:23:49 localhost colord[2417]: (colord:2417): Cd-WARNING **: failed to get session [pid 10586]: No such device or address Does this also fit into this bug or is it another bug? Aug 13 11:17:44 localhost gnome-session[18660]: (gnome-settings-daemon:18691): color-plugin-WARNING **: failed to connect to device: Failed to connect to missing device /org/freedesktop/ColorManager/devices/cups_HP_LaserJet_1020 Aug 13 11:17:44 localhost gnome-session[18660]: (gnome-settings-daemon:18691): color-plugin-WARNING **: failed to connect to device: Failed to connect to missing device /org/freedesktop/ColorManager/devices/cups_PDF -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to colord in Ubuntu. https://bugs.launchpad.net/bugs/1442050 Title: (colord:832): Cd-WARNING **: failed to get session [pid 690]: Unknown error -2 Status in colord package in Ubuntu: Confirmed Bug description: Get that error logged into journalctl (colord:832): Cd-WARNING **: failed to get session [pid 690]: Unknown error -2 ProblemType: Bug DistroRelease: Ubuntu 15.04 Package: systemd 219-6ubuntu3 ProcVersionSignature: Ubuntu 3.19.0-12.12-generic 3.19.3 Uname: Linux 3.19.0-12-generic i686 NonfreeKernelModules: nvidia ApportVersion: 2.17-0ubuntu1 Architecture: i386 CurrentDesktop: GNOME Date: Thu Apr 9 11:57:02 2015 Lsusb: Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 002: ID 046d:c50e Logitech, Inc. Cordless Mouse Receiver Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MachineType: ASUSTEK COMPUTER INC P5W DH Deluxe ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-12-generic root=UUID=7b1f4a51-558f-468f-85e0-f815d2f791e1 ro SourcePackage: systemd UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 07/22/2010 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 3002 dmi.board.asset.tag: To Be Filled By O.E.M. dmi.board.name: P5W DH Deluxe dmi.board.vendor: ASUSTeK Computer INC. dmi.board.version: Rev 1.xx dmi.chassis.asset.tag: Asset-1234567890 dmi.chassis.type: 3 dmi.chassis.vendor: Chassis Manufacture dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr3002:bd07/22/2010:svnASUSTEKCOMPUTERINC:pnP5WDHDeluxe:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5WDHDeluxe:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion: dmi.product.name: P5W DH Deluxe dmi.product.version: System Version dmi.sys.vendor: ASUSTEK COMPUTER INC To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/colord/+bug/1442050/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
