From mboxrd@z Thu Jan 1 00:00:00 1970 From: Xiao Guangrong Subject: Re: [PATCH v2] migration: introduce decompress-error-check Date: Thu, 3 May 2018 16:13:01 +0800 Message-ID: References: <20180503080611.23834-1-xiaoguangrong@tencent.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org, Xiao Guangrong , qemu-devel@nongnu.org, peterx@redhat.com, dgilbert@redhat.com, wei.w.wang@intel.com, jiang.biao2@zte.com.cn To: pbonzini@redhat.com, mst@redhat.com, mtosatti@redhat.com Return-path: In-Reply-To: <20180503080611.23834-1-xiaoguangrong@tencent.com> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+gceq-qemu-devel2=m.gmane.org@nongnu.org Sender: "Qemu-devel" List-Id: kvm.vger.kernel.org On 05/03/2018 04:06 PM, guangrong.xiao@gmail.com wrote: > From: Xiao Guangrong > > QEMU 2.13 enables strict check for compression & decompression to > make the migration more robust, that depends on the source to fix > the internal design which triggers the unexpected error conditions > > To make it work for migrating old version QEMU to 2.13 QEMU, we > introduce this parameter to disable the error check on the > destination which is the default behavior of the machine type > which is older than 2.13, alternately, the strict check can be > enabled explicitly as followings: > -M pc-q35-2.11 -global migration.decompress-error-check=true > [ CC: Eric ] Hi, Dave, Eric, Peter, Could you please have a look if it is good to you guys. Thanks!