On Fri, Apr 07, 2006 at 05:05:41PM -0400, Chris Tribo wrote:
> This is a dual, dual-core HT EM64T Xeon PowerEdge 2850 with 12 GB of 
> RAM. wm0 and wm1 are the two identical onboard GigE NICs, wm2 through 
> wm7 are identical dual port PCI-X cards. This is an i386 kernel, not 
> amd64 (yet).
> 
> ...
> [...]
> wm7: link state changed to DOWN
> wm4: unable to allocate or map rx buffer 232, error = 55

You need to increase NMBCLUSTERS, it's too low for that many wm interfaces.
Try
options NMBCLUSTERS=8192

this may not be enouth, maybe you need 16384 or 32768

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
--