Re: [Xen-users] Problem with power down

["M.A. Williamson" <maw48@xxxxxxxxx>]

> > When typing "halt -p", everything is unmounting, but the last word of
> > the kernel is "Power down" and nothing more happens.
> Same here. It's actually worse than this; the power button simply
> doesn't work so I have to hit the reset button when the kernel
> says "Power down" and turn of the computer when it's showing the
> bios screen.
>
> Powerdown from a pristine 2.6.16 kernel works fine btw.
Does it work if you hold down the power button? I'd expect that holding it 
for a few seconds would poweroff the machine.
The problem is that Xen doesn't support powering of the system, so if dom0 
tells it to "halt" it'd do just that - halt the system. But it can't then 
power it off, so it just sits there :-(
Power management stuff will probably be looked at at some stage, but it's 
not been a priority so far. The old behaviour was to reboot if dom0 halted, 
but that annoyed people even more ;-)
If anyone's interested, I think there have been some design discussions on 
how to make this stuff work properly... A knowledge of some subset of APM / 
APCI / the linux implementations thereof would probably be useful ;-)
Cheers,
Mark

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