[Xen-devel] Xen unstable and power management:

[Ian Brown <ianbrn@xxxxxxxxx>]

Hello xen-devel,

This question is of course not of a critical importance
at all; very far from it indeed; however, I will
appreciate if anybody knows something about it:
        
I had noticed that running "shutdown -h now" from domain 0
does not power off the machine. (Whereas when running the distro
kernel on the same machine it does of course power off when
running "shutdown -h now").
I have the last version of xen-unstable.
        
I looked at the configuration of linux-2.6.12-xen0:
I ran make ARCH=xen menuconfig.
I saw that there is no "Power Management Support" (CONFIG_PM)
as in a regular 2.6.12 kernel (in x86,for example).
In a regular 2.6.12 kernel this option is under "Power Management
Options (ACPI,APM). "

I don't know if lacking of the "Power Management Support" (CONFIG_PM)
is the reason for that the machine does not power off when running
"shutdown -h now".

There is indeed in xen "ACPI Support" (under which
there is "Power Management Timer Support") but this seems unrelevant.
                
Is there a way to cause "shutdown -h now" from domain 0 to perform
power off?
        

Regards,
IB

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