Intel NIC issues

[Tim Judd]

On Tue, Jun 2, 2009 at 4:07 PM, Erik Trulsson <ertr1013 at student.uu.se>wrote:

> On Tue, Jun 02, 2009 at 09:56:01PM +0100, Graeme Dargie wrote:
> > Hi all
> >
> >
> >
> > Ok lets not go to war over this I just need some advice.
> >
> >
> >
> > I have a 1u rack system that has one of these motherboards
> > http://www.supermicro.com/products/motherboard/Xeon/E7501/X5DPR-iG2+.cfm
>
> Are you *sure* that you actually have that particular motherboard?
>
> As you can see if you look through their product listings
> ( http://www.supermicro.com/products/motherboard/Xeon1333/#e7501 )
> Supermicro has
> several other similar models, some of which are equipped with one Gigabit
> NIC and one 100Mbit NIC much like you seem to have..
>
> >
> >
> >
> > Now according to where I got the server and that page it is supposed to
> > have dual gigabit nics on board.
> >
> >
> >
> > Dmesg shows the following
> >
> >
> >
> > em0: <Intel PRO/1000 Network Connection 6.9.6> port 0x3000-0x301f mem
> > 0xfc220000-0xfc23ffff,0xfc200000-0xfc21ffff irq 31 at device 4.0 on pci3
> >
> > em0: [FILTER]
> >
> > em0: Ethernet address: 00:30:48:24:84:f2
> >
> >
> >
> > fxp0: <Intel 82550 Pro/100 Ethernet> port 0x4400-0x443f mem
> > 0xfc321000-0xfc321fff,0xfc300000-0xfc31ffff irq 17 at device 2.0 on pci4
> >
> > miibus0: <MII bus> on fxp0
> >
> > inphy0: <i82555 10/100 media interface> PHY 1 on miibus0
> >
> > inphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
> >
> > fxp0: Ethernet address: 00:30:48:24:84:f3
> >
> > fxp0: [ITHREAD]
> >
> >
> > Now for reasons I can not fathom, one nic is showing just fine and the
> > other is using a different driver and only speeds of upto 100mbs.
>
> The obvious reason is that there is two different ethernet controllers
> on that board - one Gigabit and one 100Mbit.
>
> It is worth noting that according to the above, they are found on different
> PCI-buses, while the dual-gigabit controller you thought you had is a
> single
> chip where obviously both ports would be connected to the same bus.
>
> >
> >
> >
> > I have tried both 7.1 and 7.2 So is the information on the board wrong
> > or is there something I am missing.
>
> Most likely you have a different motherboard than you think you have.
> The *complete* dmesg output as well as the output of 'pciconf -lv' might
> be useful in determining what you actually have. (Opening the box and
> checking for any useful labels on the motherboard can also of course be
> useful, but is not something we can help you doing.)
>


Using kenv smbios.system.product   might be a good indication of what you
have too.

Good luck.  Nothing like troubleshooting a piece of hardware from remote.
:)