Date: Mon, 06 Aug 2007 11:05:42 -0300 From: =?UTF-8?B?RGFuaWVsIERpYXMgR29uw6dhbHZlcw==?= <daniel@dgnetwork.com.br> To: freebsd-net@freebsd.org, freebsd-bugs@freebsd.org Cc: Sten Daniel Soersdal <netslists@gmail.com> Subject: Re: kern/78791: [xl] xl(4) input errors and speed problem Message-ID: <46B72AB6.6030603@dgnetwork.com.br> In-Reply-To: <46B627AD.1040304@gmail.com> References: <200512270905.jBR95qod022904@freefall.freebsd.org> <46B212A3.7040603@yan.com.br> <20070803082622.GZ21312@glebius.int.ru> <46B627AD.1040304@gmail.com>
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Sten Daniel Soersdal escreveu: > Gleb Smirnoff wrote: >> On Thu, Aug 02, 2007 at 02:21:39PM -0300, Daniel Dias Gon?alves wrote: >> D> > State-Changed-From-To: open->feedback >> D> > State-Changed-By: glebius >> D> > State-Changed-When: Tue Dec 27 09:03:50 UTC 2005 >> D> > State-Changed-Why: Please provide the following information. Is >> this one D> > particular card >> D> > that experiences errors, or you have tested several 3Com cards >> and all >> D> > fail? >> D> > >> D> I have same problem, and is not only with card 3com (xl), also >> with Intel D> card (fxp). >> D> In my servers running FreeBSD 6.1, have constant traffic of >> +-80mbps and D> "input errors" (netstat - ni) always increases, use >> crossover cables and the D> interfaces fixed "100baseTX-FDX". >> D> Frequently with Intel card (fxp), i have that to make ifconfig >> DOWN/UP in D> the interface to come back to work. >> D> D> Which the solution for these problems ? >> >> I think the problem, you've described isn't the same problem as in >> kern/78791. >> > > I haven't used this card in a long time and i don't know if TX/RX > checksum offloading is supported in the FreeBSD driver. Just to sum up > my findings. > > Checksum offloading is bugged, even on windows drivers. Disabling > checksum offloading has always resulted in much better performance. > > Also, when you say using "100baseTX-FDX" you mean between the servers > and not via a switch, right? > Yes, not via a switch. -- Daniel D. G.
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