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Re: CVS commit: src/etc/powerd/scripts
On Fri, Dec 31, 2010 at 11:01:08AM +0100, Jean-Yves Migeon wrote:
> I am using machdep.sleep_state as node to put a domU into suspend mode.
> Up to now, putting sleep_state under machdep allowed powerd(8)
> sleep_button to be used regardless of the environment (eg. ACPI sleep or
> Xen domU sleep).
So Xen uses a *machine-dependent* sysctl(8) variable for purposes entirely
different from the intended one?
> While retiring sleep_state from machdep goes in the right direction
> IMHO, will it be replaced by a MI interface to put a system into sleep,
> as it is not a feature specific to ACPI?
Definitely agreed. Maybe we could steal zzz(8) from APM?
Generally, most of the problems ("the mess") in the area of power management
have been directly caused by the lack of proper MI interfaces and the overall
lack of planning. The move towards sysmon_pswitch(9), pmf(9), and powerd(8)
were a step to the right direction; the mistakes done with the i386-specific
apm(4) should not be repeated.
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