Call for testers - dc ethernet driver patch

[Don Lewis]

On  7 Jan, Don Lewis wrote:
> The dc driver has been broken ever since it was converted to use busdma.
> The symptoms are that it reports spurious output errors and collisions,
> even when running in full-duplex mode.  I believe the patch below fixes
> the problem, but I do not have the appropriate hardware to test it.  I
> have had one gotten one report so far from someone who claims this patch
> fixed the problems he was seeing.  I'd appreciate further testing of
> this patch, especially with as many of the chipsets supported by the
> driver as possible so that I can commit this patch.  Please mention the
> type of hardware you are using (machine architecture and card probe
> message) in your reports. This is somewhat time critical because I've
> had users express interest in getting this into 5.2.

Thanks to everyone who has sent me testing results.  The results have
been universally good so I committed the patch.  It will probably be
MFC'ed to 5.2 in about 23 hours.