From owner-freebsd-stable@FreeBSD.ORG Tue Jan 18 14:08:08 2011 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2B088106566C for ; Tue, 18 Jan 2011 14:08:08 +0000 (UTC) (envelope-from rmacklem@uoguelph.ca) Received: from esa-jnhn.mail.uoguelph.ca (esa-jnhn.mail.uoguelph.ca [131.104.91.44]) by mx1.freebsd.org (Postfix) with ESMTP id DC2AF8FC1B for ; Tue, 18 Jan 2011 14:08:07 +0000 (UTC) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ApwEAFMtNU2DaFvO/2dsb2JhbACEDKFBsnSPHYEkgzh0BIRvhi8 X-IronPort-AV: E=Sophos;i="4.60,339,1291611600"; d="scan'208";a="107468408" Received: from erie.cs.uoguelph.ca (HELO zcs3.mail.uoguelph.ca) ([131.104.91.206]) by esa-jnhn-pri.mail.uoguelph.ca with ESMTP; 18 Jan 2011 09:08:06 -0500 Received: from zcs3.mail.uoguelph.ca (localhost.localdomain [127.0.0.1]) by zcs3.mail.uoguelph.ca (Postfix) with ESMTP id CE434B4149; Tue, 18 Jan 2011 09:08:06 -0500 (EST) Date: Tue, 18 Jan 2011 09:08:06 -0500 (EST) From: Rick Macklem To: Steve Polyack Message-ID: <635945031.399391.1295359686787.JavaMail.root@erie.cs.uoguelph.ca> In-Reply-To: <4C7E743A.1040506@comcast.net> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Originating-IP: [172.17.91.202] X-Mailer: Zimbra 6.0.10_GA_2692 (ZimbraWebClient - IE8 (Win)/6.0.10_GA_2692) Cc: Garrett Cooper , rick-freebsd2009 , Hannes Hauswedell , freebsd-stable@freebsd.org, yanefbsd Subject: Re: NFS 75 second stall X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 18 Jan 2011 14:08:08 -0000 > > We're occaisionally seeing these same types of stalls (+ repeated "is > not responding" "is alive again" messages in quick succession). We're > seeing it only on our 8.1-RELEASE systems against a variety of NFS > servers (6.3-RELEASE, 7.2-RELEASE, and 8-STABLE from before the > release > of 8.1). We also see it happen with a variety of client hardware and > network adapters (em, bce, bge); the only common denominator is > 8.1-RELEASE on the clients. > I think this might be fixed by r217242 in head, which went into stable/8 as r217527. This krpc patch is also available at: http://people.freebsd.org/~rmacklem/krpc.patch Thanks go to John Gemignani for spotting this bug in the krpc code. It will not be in 8.2, so please grab the patch if you are using either NFS client in any FreeBSD8.n system, rick