AppArmor issue may be connected with bug 218921. Problems commented on this bug may be caused by few different problems.
some logs with may point apparmor: Aug 29 12:01:14 mazurkiewicz-desktop DeskJet_845C?serial=CN1741M0BTSX: prnt/backend/hp.c 496: unable to connect hpssd socket 2207: Connection refused Aug 29 12:01:14 mazurkiewicz-desktop DeskJet_845C?serial=CN1741M0BTSX: io/hpmud/musb.c 135: unable get_string_descriptor -71: Protocol error Aug 29 12:01:14 mazurkiewicz-desktop DeskJet_845C?serial=CN1741M0BTSX: io/hpmud/musb.c 603: invalid product id string ret=-71 Aug 29 12:01:14 mazurkiewicz-desktop DeskJet_845C?serial=CN1741M0BTSX: io/hpmud/musb.c 135: unable get_string_descriptor -1: Operation not permitted Aug 29 12:01:14 mazurkiewicz-desktop DeskJet_845C?serial=CN1741M0BTSX: io/hpmud/musb.c 603: invalid product id string ret=-1 Aug 29 12:01:14 mazurkiewicz-desktop DeskJet_845C?serial=CN1741M0BTSX: io/hpmud/musb.c 1058: unable to open hp:/usb/DeskJet_845C?serial=CN1741M0BTSX Aug 29 12:01:14 mazurkiewicz-desktop kernel: [ 761.001335] usb 1-2.3: usbfs: USBDEVFS_CONTROL failed cmd hp rqt 128 rq 6 len 255 ret -71 Aug 29 12:01:14 mazurkiewicz-desktop DeskJet_845C?serial=CN1741M0BTSX: prnt/backend/hp.c 496: unable to connect hpssd socket 2207: Connection refused Aug 29 12:01:14 mazurkiewicz-desktop DeskJet_845C?serial=CN1741M0BTSX: prnt/backend/hp.c 636: INFO: open device failed; will retry in 30 seconds... Aug 29 12:01:14 mazurkiewicz-desktop kernel: [ 761.086439] audit(1220004074.224:5): type=1503 operation="inode_permission" requested_mask="::rw" denied_mask="::rw" name="/dev/tty" pid=9387 profile="/usr/sbin/cupsd" namespace="default" Aug 29 12:01:14 mazurkiewicz-desktop kernel: [ 761.517457] usb 1-2.3: usbfs: USBDEVFS_CONTROL failed cmd hpijs rqt 128 rq 6 len 255 ret -71 Aug 29 12:01:14 mazurkiewicz-desktop hpijs: io/hpmud/musb.c 135: unable get_string_descriptor -71: Protocol error Aug 29 12:01:14 mazurkiewicz-desktop hpijs: io/hpmud/musb.c 603: invalid product id string ret=-71 Aug 29 12:01:14 mazurkiewicz-desktop hpijs: io/hpmud/musb.c 135: unable get_string_descriptor -1: Operation not permitted Aug 29 12:01:14 mazurkiewicz-desktop hpijs: io/hpmud/musb.c 603: invalid product id string ret=-1 Aug 29 12:01:14 mazurkiewicz-desktop hpijs: io/hpmud/musb.c 1058: unable to open hp:/usb/DeskJet_845C?serial=CN1741M0BTSX -- [Hardy]HP printer is not detected properly by HPLIP https://bugs.launchpad.net/bugs/181242 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
