acpi & other power-control questions for desktop

matt.price_at_utoronto.ca
Date: 09/11/05

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    Date: Sun, 11 Sep 2005 01:22:49 -0400
To: debian-user@lists.debian.org

    Hi folks,

    I've moved my desktop home from work and among many other changes, I now
    occasionally want the thing to power down. Ideally, though, I'd like to avoid
    having to reboot when I start back up again. THe mainboard supports acpi, so I
    at first figured sleep would be easy. On my laptop, for instance -- which
    supports apm, not acpi -- I just type 'apm -s' and voila, the machine turns off
    (more or less -- some led lights remain on, so eventually the power gives out).

    so I've tried the following:

    echo [134] > /proc/acpi/sleep

    these all have pretty much the same function: the display shuts down, all
    peripherals freeze, but the noise coming from my box remains at normal (high!
    annoying!) levels, so I assume something is running. Also I can't resume at all
    -- the poweron button just starts up the normal boot process, after an
    infinitely long disk check.

    similar results for apm -s (which I read somewhere works for some acpi systems).

    I've only seen one power-related message so far in /var/log/syslog:
    kernel: apm: busy: Unable to enter requested state
    kernel: apm: busy: Unable to enter requested state
    apmd[1044]: Suspending now
    ... but of course then I couldn't restart....

    so: does acpi often not work on desktops? Have I missed some basic principle?
     DO I require, as apparently one does for suspend2, a separate, additional swap
    partition to make acpi work? Doesn't anyone else out there want to sometimes
    shut their desktops doewn without having to reboot the nextt ime they want to
    write an email?

    Anyway, as always htanks,

    Matt 

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