Re: acpi, suspend, hibernate

["Tomáš Čech" <sleep_walker@gnu.org>]

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On Sat, Mar 28, 2015 at 02:37:11PM -0400, Mark H Weaver wrote:
>ludo@gnu.org (Ludovic Courtès) writes:
>
>> 白い熊＠相撲道 <guix-devel_gnu.org@sumou.com> skribis:
>>
>>> I have GuixSD installed on the Gluglug X200 and would like to issue
>>> suspend and hibernate commands. Upon inspecting /proc/acpi however it
>>> seems that this is not built in the current kernel that I have booted.
>>
>> We currently lack the pm-utils package, which provides ‘pm-suspend’
>> (currently I use a script that writes to /sys/power/state as Tomáš
>> suggested.)  Would you like to give it a try?
>
>I wonder if it might be better to implement suspend/resume in dmd, so
>that services could easily define actions to be run before suspend and
>after resume.  I guess the pm-utils approach is to put shell scripts
>into /etc/pm.

I second this idea. Dmd is proper place to implement such actions as
services may benefit from performing actions before suspend or after
resume.

Pm-utils package was collection of hacks and workarounds for broken
hardware. It hopefully won't be needed anymore.

To have the list of options richer, there is also UPower
(http://upower.freedesktop.org/) which is designed to take care of
power management.

Best regards,

S_W

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