On Sun, 19 Mar 2006 12:54:27 +0100
Radek Kujawa <radoslaw.kujawa@altkom.pl> wrote:

> Hi. 
>     I'm running NetBSD -current on HP NX6110 laptop. It makes very
> fast and stable workstation, but there are some irritating glitches.
>     - USB is not usable: Controllers are detected by kernel, they are 
> shown in dmesg. However, connecting any USB devices does nothing. 
> usbdevs output is weird too:
> 
> laptop-rkujawa: {19} sudo usbdevs
> addr 1: I/O error
> addr 2: I/O error
> ( ... )
> addr 127: I/O error
> 
>     It's the same if I don't connect any USB device.
> 
>     I suspect that this is software problem - being afraid that my 
> laptop is broken I booted some linux livecd lying around (kernel 2.6) 
> and USB was working flawlessly.
> 
>     - When running 3.0 kernel with ACPI enabled, everything hangs in
> few minutes. Completly. Hard reset is needed to make it work again.
> I'm not even able to drop into ddb. Maybe I could use debugger onver
> serial console, but this laptop doesn't have any serial ports...
> -current kernel with ACPI doesn't even boot. It hangs before IDE
> drives detection.
> 
> I've built my -current kernels approx. two weeks ago. Today I updated 
> sources and rebulit it - nothing changed :[.
> 
> dmesg:
> http://strim.aster.net.pl/stuff/HP_NX6110/HP_NX6110-NOACPI.dmesg.txt
> 
> kernel confs:
> http://strim.aster.net.pl/stuff/HP_NX6110/HP_NX6110-NOACPI
> http://strim.aster.net.pl/stuff/HP_NX6110/HP_NX6110

Have you tried the PCI_*_FIXUP options with the ACPI kernel?