Re: [BUG] 2.6.21-rc1,2,3 regressions on my system that I found so far

[Andy Lutomirski]

Arjan van de Ven wrote:
> On Tue, 2007-03-20 at 01:36 -0400, Eric St-Laurent wrote:
> > On Tue, 2007-20-03 at 01:04 -0400, Lee Revell wrote:
> >
> > > I think CONFIG_TRY_TO_DISABLE_SMI would be excellent for debugging,
> > > not to mention people trying to spec out hardware for RT
> > > applications...
> > There is a SMI disabling module in RTAI, check the smi-module.c in this:
> >
> > https://www.rtai.org/RTAI/rtai-3.5.tar.bz2
> >
> > More infos:
> >
> > http://www.captain.at/rtai-smi-high-latency.php
> > http://www.captain.at/xenomai-smi-high-latency.php
> >
> > It might make sense to merge this code, at least in the -rt tree.
>
> it NEVER makes sense to disable SMM.
>
> SMM is there to ensure that your hardware doesn't get physically
> damaged.
>
> disabling that is a BAD idea. I'm no fan of SMM myself, but it's there,
> and we have to live with it. Disabling it without knowing what it does
> on your system is madness.

How about disabling it long enough to calibrate the timers and then 
turning it back on?

--Andy

(apologies if anyone gets duplicates of this.  i'm encountering 
nightly-thunderbird-build bugs.)
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/