Hi,

I noticed you were running the GENERIC kernel, which doesn't support  
multiple processors. An easy fix to this issue would be to grab a copy 
of syssrc.tar.gz and compile the GENERIC.MP kernel with the default 
settings.

Here's how to obtain the sources:
http://www.netbsd.org/docs/guide/en/chap-fetch.html

Compiling the new kernel:
http://www.netbsd.org/docs/guide/en/chap-kernel.html


-Matt



Chris Jones wrote:
> Hi folks--
>
> I recently bought a new server, which is a Dell PowerEdge SC 1435. It 
> has a dual core Opteron. Running this machine with an MP kernel, 
> either NetBSD/i386 or NetBSD/amd64, results in a hard lockup after 
> anywhere from a few seconds to a few minutes. The lockup seems to be 
> correlated with high disk activity. Once it locks up, it doesn't 
> respond to the keyboard, including the LEDs for Caps Lock, etc. As a 
> result, I can't tell you what ddb says about the system state. Please 
> see the dmesg output at the end of this message for hardware info.
>
> Any thoughts on what I should try with this computer? I'd really like 
> to be able to use both CPUs.
>
> Chris
>
>