Comment 6 for bug 104868

Same problem here.
The PC does not shut off: it displays the Ubuntu logo and progess bar, then the keyboard and mouse are power down, but the PC remains on.
I can only push and hold the power button for 4 secs to shut off the PC.

I have no problem to restart the machine, only the shut off process doesn't work.

I'm running Feisty 7.04 on Intel Pentium IV 3,0GHz HT:
Asus P5GD1 PRO (http://www.asus.com/products.aspx?l1=3&l2=11&l3=24&l4=0&model=632&modelmenu=1) with the SpeedStep technology enabled.
nVidia Quadro FX 540

uname -a:
Linux XXX 2.6.20-16-generic #2 SMP Thu Jun 7 20:19:32 UTC 2007 i686 GNU/Linux