acpi no sound, acpi disabled no serial on IBM kiosk

Brock Williams brock at
Tue Jul 22 22:52:47 UTC 2008

On Tuesday 22 July 2008 4:47:58 pm Nate Lawson wrote:
> John Baldwin wrote:
> > On Tuesday 22 July 2008 05:28:45 pm Brock Williams wrote:
> >> Yeah, I guess I should have said more about the problem.  in the ACPI
> >> case I do see the devices there, but they don't work.  For example,
> >> the machine has an elotouch touchscreen which works great w/o ACPI
> >> but doesn't with. When I try to cat the device with ACPI enabled,  I
> >> get nothing.  Without acpi I get the expected touchscreen data when
> >> touching the screen.  We also have a dallas ibutton reader hooked up
> >> to another port and it acts the same way.
> >
> > Hmm, they seem to have all the same I/O resources (ports and IRQs), so
> > I don't see anything that would make them not work.  Also, there isn't
> > anything in the AML for these devices that I can see that would help
> > (no _INI or _REG methods, etc.).
> Just to confirm -- you are switching the device names when you "cat the
> device", right (sio0, 1, 2)?

Yep, I've tried cat'ing every cuad device that shows up, and I can't get 
data out of any of them when I enable acpi. Also while catting with ACPI I 
regularly get a message like:

sio1: 5 more silo overflows (total 5)

Thanks for the help,


Brock Williams  brock at
Cottonwood Computer Solutions, Inc. 406-896-4910
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