laptop no longer reboots

[Don Lewis]

On  1 Aug, Julian Elischer wrote:
> Is there anyone who knows what's goin gon with all the new acpi/bios/whatever code,
> that might have any idea why my laptop no longer reboots?
> it gets all the way to the final infinite loop and sits there.
> 
> Dell Inspiron 7500
> 
> up to date sources as of ummmm monday..
> 
> Anything in particular I should look at?

I've got a desktop (i386 SMP kernel on an AMD 64 X2 with a recent Nvidia
chipset) with this problem. Someone suggested removing EHCI from the
kernel, and that "fixed" the problem.  I haven't had time to investigate
the problem in detail.