I can also confirm this on a fresh 12.04.3 installation with default kernel
cat /proc/version_signature Ubuntu 3.8.0-32.47~precise1-generic 3.8.13.10 After runnig cups with aa-compain I got apparmor="ALLOWED" operation="capable" parent=1 profile="/usr/sbin/cupsd" pid=10742 comm="cupsd" pid=10742 comm="cupsd" capability=36 capname="block_suspend" so I did aa-logprof and now cups doesn't start any longer tail /var/log/upstart/cups.log AppArmor parser error for /etc/apparmor.d/usr.sbin.cupsd in /etc/apparmor.d/usr.sbin.cupsd at line 18: Invalid capability block_suspend. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1199933 Title: apparmor parser in precise does not support block_suspend capability (needed for backported kernels) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apparmor/+bug/1199933/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs