From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH NET-2.6 1/1] netxen: limit skb frags for non tso packet Date: Mon, 11 Apr 2011 15:57:36 -0700 (PDT) Message-ID: <20110411.155736.212673083.davem@davemloft.net> References: <1302547974-7310-1-git-send-email-amit.salecha@qlogic.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, ameen.rahman@qlogic.com, anirban.chakraborty@qlogic.com, stable@kernel.org To: amit.salecha@qlogic.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:42916 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751856Ab1DKW6L (ORCPT ); Mon, 11 Apr 2011 18:58:11 -0400 In-Reply-To: <1302547974-7310-1-git-send-email-amit.salecha@qlogic.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Amit Kumar Salecha Date: Mon, 11 Apr 2011 11:52:54 -0700 > Machines are getting deadlock in four node cluster environment. > All nodes are accessing (find /gfs2 -depth -print|cpio -ocv > /dev/null) > 200 GB storage on a GFS2 filesystem. > This result in memory fragmentation and driver receives 18 frags for > 1448 byte packets. > For non tso packet, fw drops the tx request, if it has >14 frags. > > Fixing it by pulling extra frags. > > Cc: stable@kernel.org > Signed-off-by: Amit Kumar Salecha I applied this to net-2.6 earlier today, so: 1) Why are you sending it again? 2) On top of that, why are you sending two copies?