[ 9.860564] systemd-logind[957]: Failed to start user service: Unknown unit: user@1000.service [ 9.864205] systemd-logind[957]: New session c1 of user jerry. [ 9.864218] systemd-logind[957]: Linked /tmp/.X11-unix/X0 to /run/user/1000/X11-display. [ 10.212904] e1000e: eth0 NIC Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx [ 10.213013] e1000e 0000:00:19.0 eth0: 10/100 speed: disabling TSO [ 10.213052] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 12.604066] nf_conntrack: automatic helper assignment is deprecated and it will be removed soon. Use the iptables CT target to attach helpers instead. [ 12.910834] [UFW BLOCK] IN=eth0 OUT= MAC= SRC=fe80:0000:0000:0000:1e6f:65ff:fe0a:5cb6 DST=ff02:0000:0000:0000:0000:0000:0000:0001 LEN=64 TC=0 HOPLIMIT=1 FLOWLBL=0 PROTO=UDP SPT=8612 DPT=8612 LEN=24 [ 12.920993] [UFW BLOCK] IN=eth0 OUT= MAC= SRC=fe80:0000:0000:0000:1e6f:65ff:fe0a:5cb6 DST=ff02:0000:0000:0000:0000:0000:0000:0001 LEN=64 TC=0 HOPLIMIT=1 FLOWLBL=0 PROTO=UDP SPT=8612 DPT=8612 LEN=24 [ 13.313494] EXT4-fs (sdb5): mounted filesystem with ordered data mode. Opts: (null) [ 13.319619] EXT4-fs (sdb6): recovery complete [ 13.320445] EXT4-fs (sdb6): mounted filesystem with ordered data mode. Opts: (null) [ 13.336060] EXT4-fs (sdb1): mounted filesystem with ordered data mode. Opts: (null) [ 14.239226] show_signal_msg: 63 callbacks suppressed [ 14.239230] compiz[1592]: segfault at 0 ip (null) sp 00007fff6dea9d88 error 14 in compiz[400000+3000] [ 37.767689] audit: type=1400 audit(1412723383.619:33): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/cups/backend/cups-pdf" pid=2908 comm="apparmor_parser" [ 37.767699] audit: type=1400 audit(1412723383.619:34): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=2908 comm="apparmor_parser" [ 37.784251] audit: type=1400 audit(1412723383.639:35): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="third_party" pid=2908 comm="apparmor_parser"