Looks like some sort of race condition. If you add a sleep 2 after the sync call (near line 72) in /etc/init.d/sendsigs, terminating all processes works fine and the system shutdown/reboots without delay.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1212142 Title: Slow shutdown/restart on saucy with sendsigs waiting 10 seconds To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/sysvinit/+bug/1212142/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs