Messages in this thread | | | Date | Tue, 20 Mar 2007 11:04:55 -0700 | From | Andy Lutomirski <> | Subject | Re: [BUG] 2.6.21-rc1,2,3 regressions on my system that I found so far |
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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@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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