Re: [PATCH -tip 3/3] x86, mce: Add mce=nopoll option to disable timerpolling

From: Andi Kleen
Date: Tue Mar 31 2009 - 04:16:10 EST


Hidetoshi Seto wrote:
> Andi Kleen wrote:
>>> How to prevent banks from clearing?
>> Firmware first typically means the firmware gets it one way or another
>> using SMI and that tends to work even when the OS clears because
>> SMI comes first. So stopping the clearing is probably not needed?
>
> SMI is not only way for firmware.
> IIRC, I heard there are some server doing poll from service processor on
> BMC (Board Management Controller).
> I could be wrong, but always there could be a special case.

I see. In this case you likely want to shut off boot logging too
(mce=nobootlog)

-Andi

--
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/