FWIW this seems to occur about 1 - 2 minutes after logging in. There are several AppArmor messages that seem to preceed this event in dmesg, for example
[35413.305676] audit: type=1400 audit(1476675671.740:36): apparmor="DENIED" operation="open" profile="/usr/lib/telepathy/mission-control-5" name="/home/clh/.local/share/accounts/services/" pid=26793 comm="mission-control" requested_mask="r" denied_mask="r" fsuid=1000 ouid=1000 [35413.307066] audit: type=1400 audit(1476675671.740:37): apparmor="DENIED" operation="sendmsg" profile="/usr/lib/telepathy/mission-control-5" name="/run/systemd/journal/socket" pid=26793 comm="mission-control" requested_mask="w" denied_mask="w" fsuid=1000 ouid=0 [35418.062909] audit: type=1400 audit(1476675676.496:38): apparmor="DENIED" operation="sendmsg" profile="/usr/lib/telepathy/telepathy-*" name="/run/systemd/journal/socket" pid=26772 comm="telepathy-haze" requested_mask="w" denied_mask="w" fsuid=1000 ouid=0 [35648.374091] compiz[26573]: segfault at 20 ip 00007fcc5263d34c sp 00007fff685443f0 error 4 in libunityshell.so[7fcc52243000+5df000] -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1629188 Title: compiz crashed with SIGSEGV in unity::input::Monitor::Impl::UpdateEventMonitor() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/1629188/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
