Packet Loss w/bge & BCM5703 on Dell PE2650

[Vinny Abello]

Abdullah Ibn Hamad Al-Marri wrote:
> On 5/31/07, Vinny Abello <vinny at tellurian.com> wrote:
>> Vinny Abello wrote:
>> > Sten Daniel Soersdal wrote:
>> >> Vinny Abello wrote:
>> >>> Oliver Fromme wrote:
>> >>>> Vinny Abello wrote:
>> >>>>  >         I've isolated a problem which appears to be a bug causing
>> >>>> packet loss
>> >>>>  > with FreeBSD 6.0 and later on the Dell PowerEdge 2650 servers
>> and the
>> >>>>  > integrated Broadcom BCM5703 NICs.
>> >>>>
>> >>>> Have you enabled polling on the interface?
>> >>>>
>> >>>> I experienced a similar problem on a HP Proliant DL360
>> >>>> running 6.2-stable (RELENG_6 of a few weeks ago).
>> >>>> The problem disappeared upon "ifconfig bge0 polling".
>> >>>>
>> >>>> Best regards
>> >>>>    Oliver
>> >>> It appears I do not have the DEVICE_POLLING option set when I
>> compiled
>> >>> my kernel on my one machine and on the second I am just using the
>> >>> GENERIC kernel. I'll recompile with this option set and try again and
>> >>> post my results to the list.
>> >>>
>> >>> Thanks!
>> >>>
>> >> Try disabling hardware assisted checksumming. ( ifconfig bge0 -txcsum
>> >> -rxcsum ).
>> >
>> > Thanks for the suggestion, but...
>> >
>> > That's actually one of the first things I tried before writing to the
>> > list. No difference.
>> >
>> > I'm going to put an Intel Pro/100 card in shortly to see if the problem
>> > goes away to be certain the issue is definitely with the integrated
>> > Broadcom NICs.
>>
>> I've installed an Intel Pro/100 adapter in the Dell PowerEdge 2650. This
>> is an Intel 82550 chipset. The packet loss problem is completely gone
>> when using this NIC in the server, so it is definitely related to the
>> bge driver and this chipset BCM5703 or something else in the server. I'm
>> going to try and isolate which major release this problem appeared.
>> Maybe this will help isolate the change that is causing this issue for
>> me.
>>
>> -- 
>>
>> Vinny Abello
>> Network Engineer
>> vinny at tellurian.com
>> (973)940-6100
>> PGP Key Fingerprint: 3BC5 9A48 FC78 03D3 82E0  E935 5325 FBCB 0100 977A
>>
>> Tellurian Networks - The Ultimate Internet Connection
>> http://www.tellurian.com (888)TELLURIAN
>>
>> "Courage is resistance to fear, mastery of fear - not absence of fear"
>> -- Mark Twain
> 
> I still suggest you csup to stable, there are changes made to the driver :)

OK, I'll try that next instead. :)

Thanks!

-- 

Vinny Abello
Network Engineer
vinny at tellurian.com
(973)940-6100
PGP Key Fingerprint: 3BC5 9A48 FC78 03D3 82E0  E935 5325 FBCB 0100 977A

Tellurian Networks - The Ultimate Internet Connection
http://www.tellurian.com (888)TELLURIAN

"Courage is resistance to fear, mastery of fear - not absence of fear"
-- Mark Twain