Automatic shutdown with devd.

[David DEMELIER]

2010/6/3 Ian Smith <smithi at nimnet.asn.au>:
> On Tue, 1 Jun 2010, David DEMELIER wrote:
>  > 2010/6/1 Ian Smith <smithi at nimnet.asn.au>:
>  > > In freebsd-questions Digest, Vol 313, Issue 4, Message: 26
>  > > On Tue, 1 Jun 2010 10:55:08 +0200 David DEMELIER <demelier.david at gmail.com> wrote:
> [..]
>  > >  > Is there a way to make this conditional to do only if the laptop is
>  > >  > not charging, AC plugged in ?
>  > >
>  > > Your script can check whether the AC power is on with:
>  > >
>  > >        AC=`sysctl -n hw.acpi.acline`
>  > >        if [ $AC = 1 ]; then
>  > >                exit 0          # or whatever, when on AC power
>  > >        elif [ $AC = 0 ]; then
>  > >                :               # do whatever when on battery
>  > >        else
>  > >                :               # AC/Battery state unknown ..
>  > >        fi
>  > >
>  > > You could try just logging all state changes for a while; from critical
>  > > charging to charging to high to discharging to critical discharging, I
>  > > think that's the lot .. you can also check hw.acpi.battery.life etc.
>  > >
>  >
>  > Okay I will try a script like this one.
>
> Let us know how it goes; it's clearer now from below why you need this.
>
>  > > However, your system should do an 'emergency suspend' on critical low
>  > > battery anyway .. usually set at 1% capacity but some BIOS will let you
>  > > adjust that (see acpiconf -i0).  Only if suspend/resume works of course.
>  > >
>  >
>  > It would be great if suspend/resume would works yes ! For the moment
>  > it's not the case :
>  >
>  > http://www.freebsd.org/cgi/query-pr.cgi?pr=i386/146715
>
> Ah yes.  I guess you might have to try the freebsd-acpi list about that,
> after reading the ACPI debugging section of the Handbook, providing your
> dmesg and probably an acpidump of your ASL as shown there.
>
> I don't know the current status of suspend/resume on amd64, nor anything
> about your HP Probook 4510s.  The freebsd-mobile list might be a better
> place to start, at least to ask whether anyone else shares your problem?
>
> cheers, Ian

Okay, the HP Probook has some problems with ACPI suspend/resume now. I
attached the acpidump -dt.

As described in the PR, the resume works but seems to freeze (cannot
shutdown by pressing the power button) and the screen stays off.

Cheers

-- 
Demelier David