5.3 crash on boot

[Gavin Atkinson]

On Thu, 2005-03-10 at 16:33 -0800, Kevin Oberman wrote:
> > Date: Thu, 10 Mar 2005 21:23:42 -0300
> > From: lucas galete <lucasgalete at gmail.com>
> > Sender: owner-freebsd-stable at freebsd.org
> > 
> > i was using the freeBsd 4.x, and it run ok. but now i need install the 
> > 5.3 version, but it stop on boot. i think that's something related to 
> > ACPI. I  don't know how to disable that.. i tried this: 
> > hint.acpi.0.disable="1", but that dont works... a don't know what to 
> > do... can someone help me?
> > i have an A20 toshiba notebook.
> 
> Exactly where does it stop in the boot? Does the kernel load? Is this an
> upgrade or a new install? A few more details will be needed to do more
> than guess.

I'm going to do just that and guess.

Break to the loader prompt (option 6) and enter:

set hw.pci.enable_io_modes="0"
boot

And see if that fixes it.  I suspect it will.

Gavin