From owner-svn-src-all@FreeBSD.ORG Fri Jul 2 01:57:14 2010 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 33F7C1065672; Fri, 2 Jul 2010 01:57:14 +0000 (UTC) (envelope-from pyunyh@gmail.com) Received: from mail-pv0-f182.google.com (mail-pv0-f182.google.com [74.125.83.182]) by mx1.freebsd.org (Postfix) with ESMTP id C7F538FC08; Fri, 2 Jul 2010 01:57:13 +0000 (UTC) Received: by pvb32 with SMTP id 32so1163282pvb.13 for ; Thu, 01 Jul 2010 18:57:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:received:from:date:to:cc :subject:message-id:reply-to:references:mime-version:content-type :content-disposition:in-reply-to:user-agent; bh=iUgvey10AuB9XayWDICG+Ql6ZMZUzes53fW28vKw1e0=; b=UK4UAcIrxt1hOLSxAs1X4YcSka2HepZDP2ErmOIaE8N7IrxKc1Wp/bIv/6kECHWYrY ERTvpo/Th+sPL15HSyC8ci+fxhNLV+A2++Lb9kEqvOiD3C2XPHowjG713eOx0sFc20Tu J0CWhCd/erdvSTyeknc9GH0Ho5DICgSaRSyAs= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:date:to:cc:subject:message-id:reply-to:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=njS42ZtAqMk49Y7dlHEpSQpCCNmPpQaHi7kVyMqcE/XPGr27L2ddnPSggP1+o3kt4M sMX0Qi+F1ggopScWS8l1S0T82VSEq+2FdgJj5sRbSGPiIm+qFwdrND3A4OvQsiu6chbl wzcgy1OC9oNOY/0Jto8TUT8k6IpzTrJw2n1/s= Received: by 10.114.81.11 with SMTP id e11mr18026wab.140.1278035825763; Thu, 01 Jul 2010 18:57:05 -0700 (PDT) Received: from pyunyh@gmail.com ([174.35.1.224]) by mx.google.com with ESMTPS id d38sm1946511wam.8.2010.07.01.18.57.03 (version=TLSv1/SSLv3 cipher=RC4-MD5); Thu, 01 Jul 2010 18:57:04 -0700 (PDT) Received: by pyunyh@gmail.com (sSMTP sendmail emulation); Thu, 1 Jul 2010 18:56:38 -0700 From: Pyun YongHyeon Date: Thu, 1 Jul 2010 18:56:38 -0700 To: Garrett Cooper Message-ID: <20100702015638.GM7090@michelle.cdnetworks.com> References: <201006101804.o5AI4PEX024259@svn.freebsd.org> <20100629074831.GA75332@fupp.net> <1277820825.55649.7.camel@bauer.cse.buffalo.edu> <20100701215218.GC7090@michelle.cdnetworks.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.3i X-Mailman-Approved-At: Fri, 02 Jul 2010 04:38:25 +0000 Cc: Anders Nordby , src-committers@freebsd.org, Ken Smith , jdc@parodius.com, svn-src-stable@freebsd.org, svn-src-all@freebsd.org, svn-src-stable-7@freebsd.org, marcel@freebsd.org, Pyun YongHyeon Subject: Re: svn commit: r208995 - stable/7/sys/dev/bge X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: pyunyh@gmail.com List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 02 Jul 2010 01:57:14 -0000 On Thu, Jul 01, 2010 at 06:28:35PM -0700, Garrett Cooper wrote: > On Thu, Jul 1, 2010 at 2:52 PM, Pyun YongHyeon wrote: > > On Tue, Jun 29, 2010 at 10:13:45AM -0400, Ken Smith wrote: > >> On Tue, 2010-06-29 at 09:48 +0200, Anders Nordby wrote: > >> > Is it possible to get this fix into FreeBSD 7.3-RELEASE? > >> > >> We typically rely on developers to decide if fixes might warrant > >> consideration as an Errata Notice and send email to re@ suggesting > >> it. ?It's hard for us to judge on our own - factors include things > >> like the individual developers' confidence level in the fix, etc. > >> > > > > Even though I didn't receive positive feedback from jumbo frame > > users I'm pretty sure the change set will fix regression introduced > > in r199011. As you might know, the bug was not detected for a very > > long time(about 6 months) so I think it's better to wait 2 or 3 > > weeks to get more confidence on the patch. > > If you have jumbo packet functional tests, I'll gladly run it on some > r200 machines we have in the lab with bge(4) cards sometime in the > next couple of weeks. If not, I'll have to produce the tests which > will take longer. I'll see whether or not some of the test code in > http://wiki.freebsd.org/VictorBilouro/TCP-IP_regression_test_suite > addresses this. > To reproduce the issue you should be able to generate very high rate of PPS and make kernel resource shortage condition. It would be hard to trigger the issue with self-clocking protocols like TCP. Alternatively, patching driver to add intentional delays and reducing number of available mbufs may help to trigger the issue. > >> If someone(s) were to send mail to re@ suggesting this be an > >> Errata Notice given your description here we would definitely > >> consider it seriously. ?As far as the general process goes that's > >> the first step. > > Thanks! > -Garrett