> On Tue, 21 May 2002 16:07:24 -0400 (EDT), Nicholas L. D'Imperio <dimperio@physics.dyndns.org> wrote:
>
> >> > I'm getting kernel panics using the A7m266d smp motherboard and kernel
> >> > 2.4.18 as soon as the system is put under load.
> >
> > I have 1800+MP processors and my PSU is 400W. Of course I also have the
> > little four prong connector plugged in as well.
>
> This points very strongly towards an overheating problem. The 1800+ and
> higher CPU's run very hot. Any imperfection in the cooling setup, be
> it lack of thermal paste, undersized heatsink/fan combination,
> improperly seated heatsink, and even insufficient airflow around the
> CPU's and inside the chassis, can and will cause crashes under load.
>
> I had this exact problem a few weeks ago with a dual Athlon 1U setup. It
> turned out that the aluminum heatsinks I had previously used for the
> 1.2GHz Athlons weren't good enough for the 1900+, and also that the
> chassis fans were circulating enough air. Switching to copper heatsinks
> got rid of 95% of the crashes, and adding a chassis fan got rid of the
> remaining 5%.
>
> Ion
>
>
Overheating is certainly a concern but is not the problem here I think.
1 processor is rock solid.
I also switched it with a dual TigerMP board and that runs fine.
Nick
-
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/