From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753302AbXCSJYh (ORCPT ); Mon, 19 Mar 2007 05:24:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752846AbXCSJYg (ORCPT ); Mon, 19 Mar 2007 05:24:36 -0400 Received: from minus.inr.ac.ru ([194.67.69.97]:54414 "HELO ms2.inr.ac.ru" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with SMTP id S1753392AbXCSJY3 (ORCPT ); Mon, 19 Mar 2007 05:24:29 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=ms2.inr.ac.ru; b=idnRoqzPMDbIPj+YeHaDOAB/kBzX9SiUmjw+A+hZkvToHXxO0LxM5xUDMeNNPpJ0Ip0whd2W3cqPnpwhL3/EtLtz9aL0ZcSV/65HRrh0lYdBadR9uyMClSc+wP62w05Fv2rN1IbWBQ6Vovjp0LmSiGK8DIW8czikzSxdQZGM9Pg=; Date: Mon, 19 Mar 2007 12:24:22 +0300 From: Alexey Kuznetsov To: "Michael S. Tsirkin" Cc: "Eric W. Biederman" , netdev@vger.kernel.org, Linux Kernel Mailing List , general@lists.openfabrics.org Subject: Re: [ofa-general] Re: dst_ifdown breaks infiniband? Message-ID: <20070319092422.GB9387@ms2.inr.ac.ru> References: <20070318155532.GG7958@mellanox.co.il> <20070318191238.GA20518@ms2.inr.ac.ru> <20070318202559.GD11078@mellanox.co.il> <20070318223653.GO11078@mellanox.co.il> <20070318224234.GP11078@mellanox.co.il> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070318224234.GP11078@mellanox.co.il> User-Agent: Mutt/1.5.6i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hello! > Does this look sane (untested)? It does not, unfortunately. Instead of regular crash in infiniband you will get numerous random NULL pointer dereferences both due to dst->neighbour and due to dst->dev. Alexey