Am Sunday 24 August 2003 22:54 schrieb David van Hoose:
> Kevin P. Fleming wrote:
> > Peter Lieverdink wrote:
> >> When I enable ACPI on 2.6.0-test4 (also on 2.6.0-test3-*), the kernel no
> >> longer recognises my IDE controller and drops down to PIO mode for
> >> harddisk access. Additionally, USB devices don't get detected.
> >
> > I'm running -test4 here with ACPI and have no trouble with USB devices.
>
> I'm running test4 here with ACPI and have no USB following a call trace
> with "IRQ 20: nobody cared". ACPI seems to make odd reports. I've been
> having this problem since 2.5.70'ish. Posted numerous times, but nobody
> seems to care about it. I also have a PS/2 mouse detection when I have
> no mice attached to my system.
>
> >> The system is an Athlon 2400+ on a Gibabyte GA-7VAXP mainboard. (KT400)
> >
> > My system is an Athlon 1000 on an MSI KT266-based board.
>
> I have a Pentium 4 2.53 GHz on a Asus P4S8X mainboard.
>
> -David
>
> PS. dmesg is attached with ACPI debug and USB debug enabled.

I had similar problems with my Epox 8K9A (KT400) Board.

If I wanted to use my USB ports I had to boot wiht 'acpi=off'. But with the 
patch attached it is possible for me to boot with 'pci=noacpi'. It has the 
advantage that ACPI stays enabled...

You are free to give it a try...

  Thomas