[Qemu-devel] Guest init virtio-serial port failed randomly， qemu-kvm report error about guest failure in adding device virtio-serial0.0

Hi，I meet a problem with vm(windows10), my environment is qemu-kvm-2.3, virtio-win-0.1.126, host(centos7.2), guest(windows10). I add four virtio-serial port to vm, if I hard reboot the vm(windows10), it may happen as follows randomly: 2017-08-14T07:51:18.401008Z qemu-kvm: virtio-serial-bus: Unexpe

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Hi，I meet a problem with vm, my environment is qemu-kvm-2.3, virtio-win-0.1.126, host(centos7.2), guest(windows10). libvirt xml has four virtio-serial channel as follows:

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hi qemu-devel，I want to know why should add the migration blockers to prevent live migration in peer mode，if I drop the patch，What other disadvantages will it bring？ Looking forward to your reply。 thanks！ pizhi commit 38e0735eb76a1479917ef3501a208d4f70998494 Author: Anthony Liguori Date: Mon