I think I have the same problem in feisty. The init script fails on boot. Starting the GUI gives a "eth0 not ready, failed to start firestarter" error. Strangely enough, disabling and enabling eth0 makes firestarter start without problem.
sidenote: I use firestarter to share the internet connection Linux flyingdutchman 2.6.20-13-generic #2 SMP Sun Mar 25 00:21:25 UTC 2007 i686 GNU/Linux firestarter 1.0.3-1.3ubuntu2 knetworkmanager 0.1-0ubuntu9 network-manager 0.6.4-6ubuntu3 -- Firestarter init fails on system boot when NetworkManager is used https://launchpad.net/bugs/42759 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs