AP#1 Failed! panic y/n?

[Jung-uk Kim]

On Wednesday 19 August 2009 02:17 pm, Jung-uk Kim wrote:
> On Wednesday 19 August 2009 10:41 am, Ed Schouten wrote:
> > * pluknet <pluknet at gmail.com> wrote:
> > > I'm not Patrik, but I saw this on two Intel boxes running on
> > > 6.2. smbios.system.product="S5000PAL". I didn't try the later
> > > releases on them.
> >
> > I wouldn't mind adding non-Apple hardware to this list, but only
> > if you can tell me the following:
>
> There are many Intel ICH boards with this "feature", not just Apple
> Macs. ;-)
>
> I heard disabling legacy keyboard/mouse emulation may work around
> the problem if there is option in the BIOS:
>
> http://rt.wiki.kernel.org/index.php/HOWTO:_Build_an_RT-application
>
> The hack for Mac is required because it doesn't have "BIOS".
>
> FYI, I found RT Linux people wrote a simple tool to control the
> bits from user space:
>
> http://www.rts.uni-hannover.de/rtaddon/

I found I had a similar (but very old) tool for FreeBSD:

http://people.freebsd.org/~jkim/ich-periodic-smm-disable.c

Originally it was posted here:

http://lists.freebsd.org/pipermail/freebsd-stable/2005-April/013737.html

It was a different symptom but basically the same problem, i.e., a 
buggy BIOS spinning too much time in SMM code.

Jung-uk Kim