Note that USB_SELECTIVE_SUSPEND=y causes some machines to reboot instead of poweroff in 2.6.20.
http://bugzilla.kernel.org/show_bug.cgi?id=7828 -- Power down after shutdown does not work... https://launchpad.net/bugs/43961 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
