seems I finally found what upset kqemu on amd64 SMP... shared gdt! (please test new patch :)

[Juergen Lock]

On Sun, May 11, 2008 at 10:33:02PM +0300, Kostik Belousov wrote:
> On Sun, May 11, 2008 at 12:27:45PM -0700, Bakul Shah wrote:

> > [...]
> > 5. An initial getty gets killed as it "exceeded maximum CPU limit"
> >    This could an emulation bug or related to time issues.
> The #5 usually means the thread' kernel stack overflow.
> 
Oh I didn't know that.  You could test a kernel with KSTACK_PAGES increased
to verify...

	Juergen