From owner-freebsd-stable@FreeBSD.ORG Tue Jan 26 20:13:01 2010 Return-Path: Delivered-To: stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 478B01065701; Tue, 26 Jan 2010 20:13:01 +0000 (UTC) (envelope-from pyunyh@gmail.com) Received: from mail-qy0-f176.google.com (mail-qy0-f176.google.com [209.85.221.176]) by mx1.freebsd.org (Postfix) with ESMTP id CFEF58FC19; Tue, 26 Jan 2010 20:13:00 +0000 (UTC) Received: by qyk6 with SMTP id 6so2920021qyk.3 for ; Tue, 26 Jan 2010 12:13:00 -0800 (PST) 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=KkX/0w3WKGQ+6FespzbK1f++iCA7bzeRQtG2GXd7p/I=; b=u8xJWisu1iddDNCbQcNEDlmOF6Kq5GMQdLVRQcyr5TMT3eFZ+nZfaA3BvUCZyb5IJz x1rpGnO3s6KKeyPc1pZeOtH/dhkHSGrsE9Qn9JlJ9/yhz5I6+Sk3q5rrPAr6500zRH1t VNFDQdwf9LmbCJF3O/HvOIHg4lzkvzRgOZ3oA= 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=g3RJpTRfRsrGHamyZ6YijBur2hzFPSlkcwJ4g4qpCJOfOqr/xWTXWfRNL7HYD6KRut x6kRRZ9KvR/jUP3O8Hv0YNaxU13VleaQteYNESG2hwVNwk3/4MHQohnDZ8zaqYE7vFS0 +ltqxR+U1KdhlpTp5vBqj9ASU0GW9o/C/+I50= Received: by 10.224.126.197 with SMTP id d5mr5081632qas.354.1264536779565; Tue, 26 Jan 2010 12:12:59 -0800 (PST) Received: from pyunyh@gmail.com ([174.35.1.224]) by mx.google.com with ESMTPS id 4sm21617702qwe.15.2010.01.26.12.12.56 (version=TLSv1/SSLv3 cipher=RC4-MD5); Tue, 26 Jan 2010 12:12:58 -0800 (PST) Received: by pyunyh@gmail.com (sSMTP sendmail emulation); Tue, 26 Jan 2010 12:12:58 -0800 From: Pyun YongHyeon Date: Tue, 26 Jan 2010 12:12:58 -0800 To: Jack Vogel Message-ID: <20100126201258.GK1187@michelle.cdnetworks.com> References: <95D3CB82-BC44-491D-86E4-5CB82F89C0FC@nokia.com> <147432021001250825p202914a7ka5a2c1d28d96bac3@mail.gmail.com> <20100125182257.GG1187@michelle.cdnetworks.com> <147432021001251038r69393ab3m1a797e58f9fa905a@mail.gmail.com> <02307620-ECDC-4E8B-A5B1-FF8491E226C4@nokia.com> <33c6b0bc1001252031k508426bfh25fad65e9223d87@mail.gmail.com> <147432021001260900p60ed1804t97392d2dff5cd244@mail.gmail.com> <147432021001260914x6e5e1b41n4146904ead9d9108@mail.gmail.com> <2a41acea1001260940sf89512ar5514cee9bb08fd9@mail.gmail.com> <2a41acea1001261155v20a54d39qdc5ad7b9ac88291d@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2a41acea1001261155v20a54d39qdc5ad7b9ac88291d@mail.gmail.com> User-Agent: Mutt/1.4.2.3i Cc: Nick Rogers , "stable@freebsd.org" , Joshua Boyd , Pyun YongHyeon Subject: Re: em interface slow down on 8.0R X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: pyunyh@gmail.com List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 Jan 2010 20:13:01 -0000 On Tue, Jan 26, 2010 at 11:55:00AM -0800, Jack Vogel wrote: > I've tried this patch, and it completely breaks IPv6 offloads, which DO work > btw, > our testers have a netperf stress test that does both ipv4 and ipv6, and > that test > fails 100% after this change. > > I could go hacking at it myself but as its your code Pyun would you like to > resolve this issue? > I wonder how you could test IPv6 checksum offloading/TSO as FreeBSD does not have that capability yet. Do we already have that capability? I vaguely remember there was an effort to bring the support in but I don't know current status. If we have the capability I would have to update all other drivers that can do IPv6 checksum offloading/TSO for IPv6. > Regards, > > Jack > > > On Tue, Jan 26, 2010 at 9:40 AM, Jack Vogel wrote: > > > No, it hasn't, I need time to look it over and be convinced of what he was > > doing. > > > > Jack > > > > > > > > On Tue, Jan 26, 2010 at 9:14 AM, Nick Rogers wrote: > > > >> looks like the patch mentioned in kern/141843 has not been applied to the > >> tree? > >> > >> On Tue, Jan 26, 2010 at 9:00 AM, Nick Rogers wrote: > >> > >> > Is it advisable to patch 8.0-RELEASE kernel sources with the latest > >> > (CURRENT) em driver (i.e., src/sys/dev/e1000)? It looks like there are > >> some > >> > updates to the driver since 8.0-RELEASE that may fix some problems? > >> > > >> > > >> _______________________________________________ > >> freebsd-stable@freebsd.org mailing list > >> http://lists.freebsd.org/mailman/listinfo/freebsd-stable > >> To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" > >> > > > >