Dual processor machine with FreeBSD 5.2 hangs or reboots regulary

John Baldwin jhb at FreeBSD.org
Wed Feb 4 10:21:27 PST 2004

On Wednesday 04 February 2004 05:02 am, Ain Tepp wrote:
> Hello!
> I have problem with following configuration:
> FreeBSD 5.2
> Dual Xeon 2, 4 GHz
> Gigabyte 8IPXDR-E motherboard
> 2 x Intel e1000 (em, integrated) net interface
> 1 x LSI MegaRAID (amr) controller
> 4 x 512 MB 266 Reg ECC Kingston memory
> Problem description:
> Server  hangs regulary with 5.1. After upgrade 5.2 problems continue, but a
> little. If random device removed from kernel configuration, server doesn't
> hang any more, but after 3 days uptime reboots.
> Messages in console are like "supervisor read, page fault", server trying
> restart, but disk syncing and processor halting didn't succeed. One time
> error associates with httpd process, other errors seems to be em0 problem.
> Done:
> Hardware tests, parts change.
> I have a doubt that kernel SMP and em0 don't work affiliate.

Unfortunately, it is hard to track this problem down without more information.  
Are you able to build a debug kernel with DDB and get a traceback that you 
can send here?

John Baldwin <jhb at FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org

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