I believe I'm having this bug or a similar one in 12.04 Here are lines from my syslog
May 17 13:56:11 escher kernel: [ 27.220217] type=1400 audit(1400352971.120:42): apparmor="DENIED" operation="open" parent=1 profile="/usr/sbin/ntpd" name="/run/samba/gencache.tdb" pid=2480 comm="ntpd" requested_mask="rwc" denied_mask="rwc" fsuid=0 ouid=0 May 17 13:56:11 escher kernel: [ 27.220232] type=1400 audit(1400352971.120:43): apparmor="DENIED" operation="open" parent=1 profile="/usr/sbin/ntpd" name="/run/samba/gencache.tdb" pid=2480 comm="ntpd" requested_mask="r" denied_mask="r" fsuid=0 ouid=0 May 17 13:56:11 escher kernel: [ 27.220251] type=1400 audit(1400352971.120:44): apparmor="DENIED" operation="open" parent=1 profile="/usr/sbin/ntpd" name="/run/samba/gencache.tdb" pid=2480 comm="ntpd" requested_mask="rwc" denied_mask="rwc" fsuid=0 ouid=0 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1135780 Title: ntp apparmor denied read of /usr/share/samba/upcase.dat To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ntp/+bug/1135780/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs