Re: [ltp] Re: IBM HDAPS Someone interested?

Vojtech Pavlik
2005-06-23T08:28:53Z

On Wed, Jun 22, 2005 at 06:50:59AM -0600, Alejandro Bonilla wrote:
>
> > Hi!
> >
> > > > I'm trying to do watch -n1 cat /proc/acpi/ibm/ecdump, But
> > I don't have
> > > > ecdump. I'm with ibm-acpi 0.8
> > > >
> > >
> > > I was thinking more along the lines of figure out the io port it's
> > > using, then boot windows, set an IO breakpoint in softice, then drop
> > > your laptop on the bed or something.
> >
> > It should be enough to tilt your laptop so that it parks
> > heads... safer than
> > dropping it.
> >
> > And perhaps easier solution is to locate the sensor on the
> > mainboard, and
> > trace where it is connected with magnifying glass (as vojtech
> > already suggested).
> >
> > Pavel
> >
> > --
> > 64 bytes from 195.113.31.123: icmp_seq=28 ttl=51
> > time=448769.1 ms
> >
>
> /proc/acpi/ibm/ecdump is really not providing any information about this
> sensor. yesterday, I almost broke the laptop to see if it would generate
> anything, but it really only outputs ACPI events...
>
> I shaked it, moved it 90deg and still no result, threw the lappy from like
> 40cm to the bed and nothing was really generated. Unless it is too fast like
> to generate it in the watch or to be seen by human eye. I dunno.
>
> It looks like /ecdump won't do it.

But that doesn't mean it's not connected to the embedded controller. It
just means the embedded controller doesn't generate any inertial events
by itself - it may have to be polled with some specific command.

--
Vojtech Pavlik
SuSE Labs, SuSE CR