From mboxrd@z Thu Jan 1 00:00:00 1970 From: P@draigBrady.com Subject: Re: 1.03Mpps on e1000 Date: Thu, 09 Dec 2004 17:19:55 +0000 Message-ID: <41B8893B.5030407@draigBrady.com> References: <1101863399.4663.54.camel@sfeldma-mobl.dsl-verizon.net> <20041201182943.GA14470@xi.wantstofly.org> <20041201213550.GF14470@xi.wantstofly.org> <1101967983.4782.9.camel@localhost.localdomain> <20041205145051.GA647@xi.wantstofly.org> <20041208233617.GD8649@mail.com> <41B825A5.2000009@draigBrady.com> <20041209161825.GA32454@mail.com> <20041209164820.GB32454@mail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable Return-path: Resent-Message-ID: <20041209214744.GC32454@mail.com> To: Ray Lehtiniemi In-Reply-To: <20041209164820.GB32454@mail.com> Sender: netdev-bounce@oss.sgi.com Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org Ray Lehtiniemi wrote: > On Thu, Dec 09, 2004 at 09:18:25AM -0700, Ray Lehtiniemi wrote: >=20 >>it is worth noting that my box has become quite unstable since >>i started to use oprofile and pktgen together. sshd stops responding, >>and the network seems to go down. not sure what is happening there... >>this instability seems to be persisting across reboots, unfortunately... >=20 >=20 >=20 > ok, it seems that this is related to martin's e1000 patch, and i > just hadn't noticed it before. rolling back the 1.2 Mpps patch > seems to cure the problem. >=20 > symptoms are a total freezeup of the e1000 interfaces. netstat > -an shows a tcp connection for my ssh login to the box, with about > 53K in the send-Q. /proc/net/tcp is empty, however.... i can > reproduce this at will by doing >=20 > # objdump -d /lib/modules/2.6.10-rc3-mp-rayl/kernel/net/core/pktgen.ko >=20 > on that machine with the e1000-patched kernel running. >=20 >=20 > if there's any diagnostic output i can generate that might tell > me what's going wrong, let me know and i'll try to generate it. can you send this to again to netdev. thanks. --=20 P=E1draig Brady - http://www.pixelbeat.org --