bge Ierr rate increase from 5.3R -> 6.1R

Robin Gruyters r.gruyters at
Thu Jan 25 14:46:07 UTC 2007

Quoting Jeremy Chadwick <koitsu at>:

> On Thu, Jan 25, 2007 at 12:07:22PM +0100, Robin Gruyters wrote:
>> Quoting Jeremy Chadwick <koitsu at>:
>> [...]
>> >
>> >Set your Cisco configuration to use 100/full, and edit the
>> >ifconfig_bge0 line in rc.conf on your FreeBSD box to have "media
>> >100baseTX mediaopt full-duplex", then reboot the FreeBSD box.
>> >If the problem continues, there may be faulty cabling, but
>> >usually errors on one direction are a sign of duplex mismatch.
>> >If after replacing the cabling the issue continues, then there's
>> >a chance the bge(4) driver may be obtaining statistics wrong for
>> >the particular chip revision being used (this is hearsay on my
>> >part; I'm just guessing...)
>> >
>> Ok, I have set the Cisco port to 100/full-duplex and update the bge*
>> interfaces on the development server, but the problem still exists.
>> I have also updated the other server, which is connected to another
>> Cisco switch, but the same results.
> Okay so at least we know it's not specific to your switch, or
> to auto-neg nor the cabling (two different switches + boxes with
> the same problem probably isn't your fault.  :) ).  That's definitely
> evidence that it's a driver problem, probably specific to the 5704
> (since I have two machines using 5750s without this problem).
> Looks like we'll need someone with the Broadcom data sheet for
> the 5704 to help out.  There's also the Bill Paul <wpaul at>
> and David Christensen <davidch at> (who worked on bce(4),
> but might know of some details here...)
Hmmm, ok. BTW, I found out there another thread going on on the  
freebsd-net mailinglist about the same issue(s):

There are some patches available, but looks like only for the -CURRENT  
not for 6.x releases.



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