Re: Weird K8 output

Stefan Reinauer  writes:
> Eric W. Biederman  [041102 22:05]:
> > Hmm.  It looks like you have non-bootstrap cpus running through the code.
> >
> > Usually it is this hunk of code that traps errors.
> >    if (!boot_cpu()) {
> >    	stop_this_cpu();
> > Although I can see something very weird happening if you have
> > BIST failure, on your secondary cpus. But that is quite 
> > unlikely.
>
> But that is something that would be reported, somehow, before setting
> the resource map, no?

Not on the second cpu...
> > > Is the machine drunk or are CPU1-3 just running away?
> >
> > It looks like the cpus are just running away :(  Usually I would
> > expect to interlaced characters form a message I recognize.  But I
> > don't recognize see anything I recognize here.
>
> Looking closer, it almost looks like Clearing mtrr
> > > Renaming current temporary node to 01 done.
> > > anabling routing table for node 01 dConlee.
>                                     C  l e
> > > tRiennamgin g mcutrrrenrt
>  t i n   g   g m  tr    r
>
> as in print_spew("Clearing mtrr\r\n"); of do_early_mtrr_init.c
>
> Ha, it looks like noone had a chance to compile with spew messages in
> quite a while ;-) mtrr setup is long called before stop_cpu. So the
> messages seem to be unrelated to the hang..

Cool.  I wonder if we want to kill those messages.  In the
normal course of affairs I can't see how they would help...

Eric