Note, this is still a problem for me with kernel 2.6.15-26-amd64-k8. If I suspend the system, all of my devices power down correctly. If I shutdown the system, everything appears to remain powered.
There is a thread on the Ubuntu forums here: http://www.ubuntuforums.org/showthread.php?t=206385 and a similar bug report here: https://launchpad.net/distros/ubuntu/+source/xserver-xorg- input-mouse/+bug/48773 -- USB devices are not powered off at shutdown (Dapper, 2.6.15) https://launchpad.net/bugs/42149 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
