From owner-freebsd-current@FreeBSD.ORG Tue Dec 27 18:14:42 2011 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 16296106564A for ; Tue, 27 Dec 2011 18:14:42 +0000 (UTC) (envelope-from pyunyh@gmail.com) Received: from mail-tul01m020-f182.google.com (mail-tul01m020-f182.google.com [209.85.214.182]) by mx1.freebsd.org (Postfix) with ESMTP id D00878FC0A for ; Tue, 27 Dec 2011 18:14:41 +0000 (UTC) Received: by obbwd18 with SMTP id wd18so11430259obb.13 for ; Tue, 27 Dec 2011 10:14:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; 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; bh=n5j6iqVk0xLsaDAmIREkfP1tGCUqcXAPwuPCN0b8CYc=; b=b0fNC9cQAwE8gK2e6dJEFYrDxNz5LJ7j7K6kHbU6z7PPlxoT3n+gJ+BOU2nwcqlHvY J5ZC4kzJfH/1PkYXTX0Qt6mDV6OXAJK0jfl8PwqZscSBPvmhYR3Ci0ivAHLRaVo9Bqua pOCqOqlj3ocwgWfLoWMSpk4x1HE1N9ops9P8k= Received: by 10.50.85.199 with SMTP id j7mr32501954igz.25.1325009681100; Tue, 27 Dec 2011 10:14:41 -0800 (PST) Received: from pyunyh@gmail.com ([174.35.1.224]) by mx.google.com with ESMTPS id py4sm67659808igc.2.2011.12.27.10.14.37 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 27 Dec 2011 10:14:40 -0800 (PST) Received: by pyunyh@gmail.com (sSMTP sendmail emulation); Tue, 27 Dec 2011 10:12:43 -0800 From: YongHyeon PYUN Date: Tue, 27 Dec 2011 10:12:43 -0800 To: Rick Macklem Message-ID: <20111227181243.GA1664@michelle.cdnetworks.com> References: <20101108014022.GG1279@michelle.cdnetworks.com> <1480355747.640765.1324958150892.JavaMail.root@erie.cs.uoguelph.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1480355747.640765.1324958150892.JavaMail.root@erie.cs.uoguelph.ca> User-Agent: Mutt/1.4.2.3i Cc: freebsd-current@freebsd.org Subject: Re: re(4) driver dropping packets when reading NFS files X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: pyunyh@gmail.com List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Dec 2011 18:14:42 -0000 On Mon, Dec 26, 2011 at 10:55:50PM -0500, Rick Macklem wrote: > Way back in Nov 2010, this thread was related to a problem I > had, where an re(4) { 810xE PCIe 10/100baseTX, according to the > driver } interface dropped received packets, resulting in a > significant impact of NFS performance. > > Well, it turns out that a recent (post r224506) commit seems to > have fixed the problem. It hasn't dropped any packets since I > upgraded to a kernel with a r228281 version of if_re.c. > > So, good news. > > Thanks to those maintaining this driver, rick > ps: If you have a need to know which commit fixed this, I can > probably test variants to find out. Otherwise, I'm just > happy that it's fixed.:-) Glad to know the issue was fixed. Probably the change made in r227593 or 227854 might have fixed it.