Return-path: Received: from magic.merlins.org ([209.81.13.136]:46422 "EHLO mail1.merlins.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751619Ab2DKF1i (ORCPT ); Wed, 11 Apr 2012 01:27:38 -0400 Date: Tue, 10 Apr 2012 22:27:33 -0700 From: Marc MERLIN To: Eric Dumazet Cc: David Miller , Larry.Finger@lwfinger.net, bhutchings@solarflare.com, linux-wireless@vger.kernel.org, netdev@vger.kernel.org Subject: Re: 3.2.8/amd64 full interrupt hangs and deadlocks under big network copies (page allocation failure) Message-ID: <20120411052733.GA17352@merlins.org> (sfid-20120411_072816_457797_033627B3) References: <20120409.143710.879746943062854492.davem@davemloft.net> <4F83316F.20504@lwfinger.net> <1333998672.3007.245.camel@edumazet-glaptop> <20120409.153452.1284163346306246866.davem@davemloft.net> <1334030180.13293.98.camel@edumazet-glaptop> <20120410051127.GA32048@merlins.org> <1334038263.2907.1.camel@edumazet-glaptop> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1334038263.2907.1.camel@edumazet-glaptop> Sender: linux-wireless-owner@vger.kernel.org List-ID: On Tue, Apr 10, 2012 at 08:11:03AM +0200, Eric Dumazet wrote: > Please try following patch, as it solved the problem for me (no more > order-1 allocations in tx path) I applied our patch to 3.3.1 and cannot reproduce the problem anymore. I'll leave a big wireless copy running overnight just in case, but I think you fixed it. Thanks much, Marc -- "A mouse is a device used to point at the xterm you want to type in" - A.S.R. Microsoft is to operating systems .... .... what McDonalds is to gourmet cooking Home page: http://marc.merlins.org/