From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ray Lehtiniemi Subject: Re: 1.03Mpps on e1000 Date: Thu, 9 Dec 2004 16:25:50 -0700 Message-ID: <20041209232550.GE32454@mail.com> References: <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> <41B8893B.5030407@draigBrady.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Return-path: To: netdev@oss.sgi.com Content-Disposition: inline In-Reply-To: <41B8893B.5030407@draigBrady.com> Sender: netdev-bounce@oss.sgi.com Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org hi all my apologies if this gets received twice... i originally sent a copy of this using mutt's 'bounce' function, but i don't think that's what i wanted to do..... this is a bug report re: martin e1000 patch. i'm seeing some lockups under normal traffic loads that seem to go away if i revert the patch. details below.. thanks On Thu, Dec 09, 2004 at 05:19:55PM +0000, P@draigBrady.com wrote: > Ray Lehtiniemi wrote: > >On Thu, Dec 09, 2004 at 09:18:25AM -0700, Ray Lehtiniemi wrote: > > > >>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= ... > > > > > > > >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. > > > >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 > > > > # objdump -d /lib/modules/2.6.10-rc3-mp-rayl/kernel/net/core/pktgen.k= o > > > >on that machine with the e1000-patched kernel running. > > > > > >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. >=20 > can you send this to again to netdev. >=20 > thanks. >=20 > --=20 > P=E1draig Brady - http://www.pixelbeat.org > -- --=20 ---------------------------------------------------------------------- Ray L