FreeBSD 9.0-R em0 issues?

[Hooman Fazaeli]

On 8/11/2012 2:17 PM, Karl Pielorz wrote:
>
>
> --On 11 August 2012 12:36 +0430 Hooman Fazaeli <hoomanfazaeli at gmail.com> wrote:
>
>>> "
>>> Name    Mtu Network       Address              Ipkts Ierrs Idrop
>>> Opkts Oerrs  Coll em0    1500 <Link#5>      00:25:90:31:82:46 355482
>>> 10612864185945     0 291109 3032246910270 1516123455135 "
>> 82574L with ASPM enabled is known to cause a problem like yours.
>> (See:http://www.google.com/#hl=en&sclient=psy-ab&q=82574L+%2B+ASPM
>> <http://www.google.com/#hl=en&sclient=psy-ab&q=82574L+%2B+ASPM>)
>> However, some time ago, jack committed a fix which disabled ASPM to fix
>> the problem.
>> I recommend getting and compiling latest e1000 source from CVS (which is
>> version 7.3.2)
>> and see what happens.
>
> Hi,
>
> In the midst of trying to get this onto the machine (without the NIC working - which was fun), during a reboot the NIC suddenly disappeared completely.
>
> Rebooting the machine again gives a 50/50 on the NIC probing when FreeBSD runs up - half the time I'm left with em1 only, and no em0.
>
> It looks like this has gone from a 'possible software' issue to a 'probable hardware' issue now? - I've moved the connection over to em1, I'll see how I get on with that.
>
I have also seen this problem on a different hardware but I can not recall if
I fixed it with hardware replacement or driver update. Anyway, it is worth to
give the driver update a try.