Date: Thu, 31 May 2007 22:25:11 +0300 From: "Abdullah Ibn Hamad Al-Marri" <almarrie@gmail.com> To: "Vinny Abello" <vinny@tellurian.com> Cc: freebsd-stable@freebsd.org Subject: Re: Packet Loss w/bge & BCM5703 on Dell PE2650 Message-ID: <499c70c0705311225m73e5fdd6j49317912fd58ac36@mail.gmail.com> In-Reply-To: <465F1CA6.5000301@tellurian.com> References: <200705300934.l4U9Y7eJ022617@lurza.secnetix.de> <465DB6C5.30407@tellurian.com> <465EA47B.7050400@gmail.com> <465EF9AF.3000108@tellurian.com> <465F1CA6.5000301@tellurian.com>
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On 5/31/07, Vinny Abello <vinny@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@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 :) -- Regards, -Abdullah Ibn Hamad Al-Marri Arab Portal http://www.WeArab.Net/
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