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
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.ubuntuforum s.org/showthrea d.php?t= 206385 and a similar bug report here: https:/ /launchpad. net/distros/ ubuntu/ +source/ xserver- xorg-input- mouse/+ bug/48773