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From: Andrew Thompson <thompsa@freebsd.org>
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Subject: Re: soft off powerbutton
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On Tue, Oct 11, 2005 at 11:22:16PM -0400, Dan Ponte wrote:
> On Tue, Oct 11, 2005 at 10:59:04PM -0400, Dan Ponte <dcp1990@neptune.atopia.net> was witnessed plotting the following conspiracy:
> > Hi all.
> > 
> > Has anything changed wrt: soft off via the ACPI power button? It used to
> > work on 6-BETA4, but I upgraded to RC1 and now it just dumps me to ddb
> > when I press the button. This is an ASUS CUSL2.
> > 
> > supermachine# uname -a
> > FreeBSD supermachine.danponte.net 6.0-RC1 FreeBSD 6.0-RC1 #10: Mon Oct
> > 10 14:47:38 EDT 2005
> > (sources CVSupped from RELENG_6 only a few hours before the build time)
> > -Dan
> Err, disregard that....turns out the culprit was a change to the module
> interface or somesuch that caused the system to crash when rtc.ko was
> unloaded (which was out of sync with the new kernel).
> Sorry to waste everyone's time.

You may have come across a handy feature, maybe we should add

hw.acpi.power_button_state: DDB

:)