From: Kasparek Tomas Subject: Re: [stable] NFS client packet storm on 2.6.27.x Date: Fri, 24 Jul 2009 10:54:42 +0200 Message-ID: <20090724085442.GJ17446@fit.vutbr.cz> References: <20090116104802.GF47559@fit.vutbr.cz> <20090118130835.GH47559@fit.vutbr.cz> <20090120150301.GG47559@fit.vutbr.cz> <1232465547.7055.3.camel@heimdal.trondhjem.org> <20090303120848.GV89843@fit.vutbr.cz> <1236089767.9631.4.camel@heimdal.trondhjem.org> <1247506817.14524.25.camel@heimdal.trondhjem.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-nfs@vger.kernel.org To: Trond Myklebust Return-path: Received: from kazi.fit.vutbr.cz ([147.229.8.12]:52651 "EHLO kazi.fit.vutbr.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750795AbZGXIyp (ORCPT ); Fri, 24 Jul 2009 04:54:45 -0400 In-Reply-To: <1247506817.14524.25.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org> Sender: linux-nfs-owner@vger.kernel.org List-ID: On Mon, Jul 13, 2009 at 01:40:17PM -0400, Trond Myklebust wrote: > > > I got no response so far, is there someone who could advise me what to do > > > to get above patches to 2.6.27.x stable? Or is there some reason, why this > > > is not possible at all? > > > > Can you backport them and send them to stable@kernel.org with the git > > commit ids of the orignal patches? > > When testing at a customer site, we recently found that we actually need > 4 patches in order to completely fix the storming problem in 2.6.27.y, > and ensure a timely socket reconnect. > > commit 15f081ca8ddfe150fb639c591b18944a539da0fc (SUNRPC: Avoid an > unnecessary task reschedule on ENOTCONN) > > commit 670f94573104b4a25525d3fcdcd6496c678df172 (SUNRPC: Ensure we set > XPRT_CLOSING only after we've sent a tcp FIN...) > > commit 40d2549db5f515e415894def98b49db7d4c56714 (SUNRPC: Don't > disconnect if a connection is still in progress.) > > and finally > > commit f75e6745aa3084124ae1434fd7629853bdaf6798 (SUNRPC: Fix the problem > of EADDRNOTAVAIL syslog floods on reconnect) Hi, I checked that patches, all except f75e67... apply only with offset, but the last one is a bit more ticky. Do you have these patches allready backported for 2.7.27.x? If so, can you please send then to linux-nfs or directly to me so I can test them? Thanks in advance -- Tomas Kasparek, PhD student E-mail: kasparek@fit.vutbr.cz CVT FIT VUT Brno, L127 Web: http://www.fit.vutbr.cz/~kasparek Bozetechova 1, 612 66 Fax: +420 54114-1270 Brno, Czech Republic Phone: +420 54114-1220 jabber: tomas.kasparek-2ASvDZBniIelVyrhU4qvOw@public.gmane.org GPG: 2F1E 1AAF FD3B CFA3 1537 63BD DCBE 18FF A035 53BC