4.9 Stable Crashes on SuperMicro with SMP

Jonathan Gilpin jonathan at fluent.ltd.uk
Thu Nov 27 07:15:55 PST 2003

Thanks. Another poster has sent me a memory testing program which I will try
tonight in the early hours. With 1 CPU enabled the box is completely stable.
There are no memory errors of any kind and all is fine.

Tonight I will enable the second CPU again and see if I can find out more
infomation... Could it be that a memory fault only occurr when the second
CPU is enabled (ie: when Option SMP and option APIC_IO is enabled in the


----- Original Message ----- 
From: "David Malone" <dwmalone at maths.tcd.ie>
To: "Jonathan Gilpin" <jonathan at fluent.ltd.uk>
Cc: <freebsd-bugs at freebsd.org>; <freebsd-stable at freebsd.org>
Sent: Thursday, November 27, 2003 2:09 PM
Subject: Re: 4.9 Stable Crashes on SuperMicro with SMP

> On Wed, Nov 26, 2003 at 10:35:49PM -0000, Jonathan Gilpin wrote:
> > Further Crashes as reported before:
> Both of these crashes could potentially be caused by hardware or
> memory problems. While it is possible it's a bug of some sort, I'd
> start by checking out my hardware, if I were you...
> David.

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