Re: Making powerd=YES default

[Marc Balmer <mbalmer%NetBSD.org@localhost>]

Am 26.07.11 00:44, schrieb Paul Goyette:
> Since powerd already deals with things other than power (at the very
> least, it can receive and process temp-sensor alarms, intrusion
> indicators, etc.) so it probably should not exit.  If you exit, then
> there's no way for user-land to process events from those other sensor
> types...

Could these other event sources be identified somehow, so that powerd
(or eventd...) only exists if there is really nothing it can do?

> 
> 
> On Tue, 26 Jul 2011, Jean-Yves Migeon wrote:
> 
>> On 25.07.2011 21:40, Jukka Ruohonen wrote:
>>> On Mon, Jul 25, 2011 at 09:17:03PM +0200, Martin Husemann wrote:
>>>> Unless you plan to share /etc/powerd/scripts between different
>>>> machines, I
>>>> don't see what such subdirectories would buy you.
>>>
>>> To further clarify this a little: IMO the scripts should be shared by
>>> machines. But this implies consistent MI interfaces in the kernel.
>>>
>>> Thus, the current hack is to either use the subdirectories or resort to
>>> things like this (from scripts/sleep_button):
>>> [snip]
>>>
>>> Obviously, both approaches leave a lot to be desired.
>>
>> Polishing power management framework (or even powerd(8)) is a really big
>> project in itself. It also has to offer interfaces for programming, like
>> time of wakeup, suspend maybe, and even policy (like power control:
>> powersaving or performance, etc.). This needs some thinking and trying,
>> before having something that we feel comfortable with.
>>
>> IMHO, it should even be renamed from "powerd" to "eventd", as it will
>> probably manage more that just power (like aps(4)).
>>
>> So let me summarize a bit, so we can move further; do everyone agree
>> if I:
>> - patch powerd(8) so that it checks for power_type, and if none is
>> provided, log and exit
>>
>>     => that means that all ports/arches that want to see powerd(8)
>> enabled
>> and resident should now register a backend (nominal case).
>>
>>     => in case some want to execute powerd(8) regardless of a backend
>> presence, add a flag for that (maybe -f?), and let those that want it
>> add it to rc.conf.
>>
>> - set powerd=YES in etc/defaults/rc.conf
>>
>> Please raise your voice if you have concerns.
>>
>> -- 
>> Jean-Yves Migeon
>> jeanyves.migeon%free.fr@localhost
>>
>> !DSPAM:4e2deae32356640612403!
>>
>>
>>
> 
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