The IBM HS20 does not have a keyboard controller. This means that an APIC hardware shutdown initiated from software does not work. You would not believe how long it took me to find out why the fucking blade did not want to shutdown after an "init 0".
So the moral of the story, in order to get the OS to shutdown the blade, add a "reboot=b" into your kernel boot parameters in order to perform an alternate shutdown.
e.g.
So the moral of the story, in order to get the OS to shutdown the blade, add a "reboot=b" into your kernel boot parameters in order to perform an alternate shutdown.
e.g.
linux mem=384M reboot=b ........


