Hi, Thank you for your reply. But what does "client reach a full pipe condition" refers to?  Maybe I have something not understand. <div class="gmail_quote">2012/5/28 Alon Levy <<a href="mailto:alevy@redhat.com" target="_blank">alevy@redhat.com</a>> <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="im">On Fri, May 25, 2012 at 02:58:34PM +0800, wangfeng wangfeng wrote: > Try the following command: > export SPICE_DEBUG_ALLOW_MC=1 </div>But please be aware that this will (given enough time) crash the server if any of the clients reach a full pipe condition. <div class="HOEnZb"><div class="h5"> > > > > 2012/5/25 蒋媛园 <<a href="mailto:jiangqq_327@126.com">jiangqq_327@126.com</a>> > > > Hi~ > >    I want to start two clients to access the same server. I ran the vm > > with two qxl devices. The first one got created by the "-vga qxl", the > > second got created with "-device qxl". > >   I thought the client should pick them up automatically. However, when I > > started the second client, the first one was aborted. > >  How could I do this? > > > > Thanks in advance！ > > > > > > > > > > > > _______________________________________________ > > Spice-devel mailing list > > <a href="mailto:Spice-devel@lists.freedesktop.org">Spice-devel@lists.freedesktop.org</a> > > <a href="http://lists.freedesktop.org/mailman/listinfo/spice-devel" target="_blank">http://lists.freedesktop.org/mailman/listinfo/spice-devel</a> > > > > > _______________________________________________ > Spice-devel mailing list > <a href="mailto:Spice-devel@lists.freedesktop.org">Spice-devel@lists.freedesktop.org</a> > <a href="http://lists.freedesktop.org/mailman/listinfo/spice-devel" target="_blank">http://lists.freedesktop.org/mailman/listinfo/spice-devel</a> </div></div></blockquote></div>