From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yuanhan Liu Subject: Re: [PATCH] vhost: fix segfault on bad descriptor address. Date: Sun, 10 Jul 2016 21:17:31 +0800 Message-ID: <20160710131731.GS26521@yliu-dev.sh.intel.com> References: <1463748604-27251-1-git-send-email-i.maximets@samsung.com> <20160701073506.GQ2831@yliu-dev.sh.intel.com> <577CE930.2070007@samsung.com> <20160706122446.GO26521@yliu-dev.sh.intel.com> <577F9328.1030901@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: dev@dpdk.org, Huawei Xie , Dyasly Sergey , Heetae Ahn , Jianfeng Tan To: Ilya Maximets Return-path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by dpdk.org (Postfix) with ESMTP id 9D580275D for ; Sun, 10 Jul 2016 15:15:16 +0200 (CEST) Content-Disposition: inline In-Reply-To: <577F9328.1030901@samsung.com> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On Fri, Jul 08, 2016 at 02:48:56PM +0300, Ilya Maximets wrote: > > Another point is that crash constantly happens on queue_id=3 (second RX queue) in > my scenario. It is newly allocated virtqueue while reconfiguration from rxq=1 to > rxq=2. That's a valuable message: what's your DPDK HEAD commit while triggering this issue? --yliu > > Obviously, virtio needs to be fixed, but we need to check address anyway on > vhost side, because we don't know what happens in guest in common case. > > Best regards, Ilya Maximets.