Which em(4) chips work/don't work? [Was: RE: dummynet, em driver, device polling issues :-((]

[Darren Pilgrim]

From: Petri Helenius [mailto:pete at he.iki.fi] 
> 
> Darren Pilgrim wrote:
> 
>> I'd be interested in finding out the specific chips with which people are
>> (not) having success.  As em(4) supports an entire family of products,
>> rather than a single chip, it may be that some chips have quirks or other
>> gotchas the driver needs to address.  It certainly wouldn't be the first
>> occurance of revision-specific bugs.
>
> I would also not discount motherboard / PCI speed related issues.

Indeed.  I've only had a few replies and already have opposing reports.  I'm
volunteering to collect the data, but I'll have to talk to someone in a
position to do code work about what data should be tracked.