You might be actually right about the kernel package, as this problem disappeared since I recompiled the kernel using stock kernel.org source (with suspend2 and ck patches). It might be as well usplash or initrd, as I disabled these as well.
-- Kubuntu often fails to shut down properly https://launchpad.net/bugs/88258 -- kubuntu-bugs mailing list kubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs
