On Mon, Jun 18, 2007 at 04:50:53PM +0200, Bartosz Maciejewski wrote:
> Hi, I have a problem with 4.0BETA2 and also -current.
> 
> I can't boot from cd it hangs like on this photo:
> 
> http://maciejewski.org/DSC00201.JPG
> 
> But I can boot from floppies. After installation there is the same freez.
> 
> I tried install some old version (3.99.20) and... everything goes smooth.
> 
> I also compiled today 4.0BETA2 on that 3.99.20 and after booting is the
> same error.
> 
> I think this is not hardware problem due to 3.99.20 works fine.
> 
> Any sugesstions?

ACPI issue; the interrupts are not routed properly when using ACPI.

Try
boot -c
disable acpi
quit

or rebuild a kernel without acpi support.
Maybe a bios update could help too.

-- 
Manuel Bouyer, LIP6, Universite Paris VI.           Manuel.Bouyer@lip6.fr
     NetBSD: 26 ans d'experience feront toujours la difference
--