FreeBSD 5.3-RC1 problem on IBM @server 325 type 8835

[Claus Guttesen]

> I'm trying to install FreeBSD 5.3-RC1-amd64 on IBM
> @server 325 with 
> ServeRAID 6M.
> This server has dual AMD Opteron 2.1GHz and 8GB of
> RAM.
> FreeBSD boots fine. But when it tries to copy files
> it fails saying 
> following error:
> Panic: ffs_valloc: dup alloc
> cpuid = 0
> Uptime: 2m46s
> Cannot dump. No dump device defined

It may not probe the amount of RAM correctly. You can
try adding hw.physmem=8G to /boot/loader.conf.

Could you supply a dmesg?

Claus