From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Xu Subject: Re: [PATCH v2] migration: introduce decompress-error-check Date: Thu, 3 May 2018 16:15:45 +0800 Message-ID: <20180503081545.GD29580@xz-mi> References: <20180503080611.23834-1-xiaoguangrong@tencent.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Cc: kvm@vger.kernel.org, mst@redhat.com, mtosatti@redhat.com, Xiao Guangrong , dgilbert@redhat.com, qemu-devel@nongnu.org, wei.w.wang@intel.com, jiang.biao2@zte.com.cn, pbonzini@redhat.com To: guangrong.xiao@gmail.com Return-path: Content-Disposition: inline In-Reply-To: <20180503080611.23834-1-xiaoguangrong@tencent.com> 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 Thu, May 03, 2018 at 04:06:11PM +0800, 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 > > Signed-off-by: Xiao Guangrong Reviewed-by: Peter Xu -- Peter Xu