From owner-freebsd-mobile  Thu Jul  6  7: 9:41 2000
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To: jcm@FreeBSD-uk.eu.org
Cc: mobile@freebsd.org, jsegovia@cnc.una.py
Subject: Re: apm on toshiba 4010cdt
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Date: Thu, 06 Jul 2000 23:09:23 +0900
From: Mitsuru IWASAKI <iwasaki@jp.FreeBSD.org>
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Hi,

> when my battery power is marginal, my laptop suspends to disk and shuts
> down.  freebsd tries to recover when i restart, but if i have a ppp
> connection going, i am almost guaranteed a page fault.
> 
> is there a way to have apm warn me before this happens?  or to disable the
> feature or at least have more control over it?  i have the wmbattery monitor
> running in X and i have my BIOS settings set for low power mode on battery
> power, and regular mode on AC.

How about apmd?  If your BIOS can report POWERSTATECHANGE event or such,
you could do like this;
/etc/apmd.conf:
apm_event POWERSTATECHANGE, CAPABILITIESCHANGE {
        exec "YOUR_SCRIPT_HERE";
}

and battery lifetime can be obtained by using '/usr/sbin/apm -l' and
eval it then take action in your script.

Good luck!


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