live usb freezes on boot

[Sascha Wildner]

On Sat, 12 May 2012 14:39:22 +0200, Mountpeaks <northwoods at insiberia.net>  
wrote:

> Good day everyone, this is my first attempt at BSD 's, and I 'm already  
> stuck)  So, I've created boot USB from .img file and trying to boot it.  
> The boot process gets stuck at "ACPI FADT :SCI testing interrupt  
> mode..." for like 20 min already. My machine is a laptop Lenovo thinkpad  
> EDGE 13 ' . I can get to prompt but my keyboard does not work) I have a  
> feeling that it is simply not supported which is sad.With verbose mode I  
> get "ACPI FADT:SCI testing level/low
> IOAPIC:irq 9,gsi 9 edge/ high -> level/low"
> Any tips on how to get it running?
>

Can you try choosing '9' at the loader menu to get to the loader prompt  
and do:

hw.ioapic_enable=0
boot

Sascha