misc/179033: [dc] dc ethernet driver seems to have issues with some multiport card and mother board combinations

[YongHyeon PYUN]

On Wed, May 29, 2013 at 08:58:10PM -0700, Mr. Clif wrote:
> Sorry for the confusion Pyun,
> 
> I started looking at it in the context of pfsense, but they rejected my 
> bug report which was understandable because it's an upstream issue. They 
> suggested I resubmit it to you guys if I could reproduce it. So I booted 
> FreeBSD and lo and behold the same two ports failed in exactly the same 

Ok, I'd like to fix that.

> way. I didn't see the point in re-running all the tests because I was 
> assuming that FreeBSD would work as well as pfsense for the ports that 
> worked, and there were no further tests I could think of for the dead ports.
> 

There are too many different dc(4) controllers out there and each
controller will require different hack to make it work.

> This Atom board only has serial headers not a DB9 on the back, so I have 
> to look for the proper back panel adapter for that. Otherwise I should 
> be able to set up that test environment. Though it might take me a 

If you can't setup two systems, attach USB etherent controller to
the box and let me know login information to the box. That wouldn't
be enough configuration for remote debugging but probably I can
experiment some basic things with your help.

> couple of days, sorry it's crunch time for me on a volunteer project. 
> One which I would like to deploy routers like this on. :-)
> 
>     Thanks,
>     Clif
> 
> yongari at FreeBSD.org wrote:
> >Synopsis: [dc] dc ethernet driver seems to have issues with some multiport 
> >card and mother board combinations
> >
> >State-Changed-From-To: open->feedback
> >State-Changed-By: yongari
> >State-Changed-When: Thu May 30 01:11:55 UTC 2013
> >State-Changed-Why:
> >The information you gave looks confusing to me.
> >If you're using pfSense on Atom D510MO and seeing the issue I'm
> >afraid I'm not able to help that. pfSense may have some local
> >changes and I'm not familiar with that.
> >Did you try stock FreeBSD 9.1-RELEASE on Atom D510MO?
> >If you still see the same issue with stock FreeBSD 9.1-REELASE,
> >could you setup remote debugging environment mentioned in the
> >following URL?
> >http://people.freebsd.org/~yongari/remote_debugging.txt
> >
> >Given that dc(4) works fine with Dell machines I guess the issue
> >may be in pci(4) which can't correctly handle device sits behind
> >PCI-PCI bridge.
> >
> >Note, Holland Consulting's document does not apply to FreeBSD.
> >dc(4) can handle multiple instances of dc(4) and should be able to
> >support dual/quad port dc(4) controllers.
> >
> >
> >Responsible-Changed-From-To: freebsd-net->yongari
> >Responsible-Changed-By: yongari
> >Responsible-Changed-When: Thu May 30 01:11:55 UTC 2013
> >Responsible-Changed-Why:
> >Grab.
> >
> >http://www.freebsd.org/cgi/query-pr.cgi?pr=179033
>