(In reply to Dario Faggioli from comment #52) > (In reply to Michiya Hagimoto from comment #50) > > (In reply to Lin Ma from comment #49) > > > Hmm...I don't think rollbacking libvirt is helpful. > > > > libvirt is only generate qemu's argument? > > Not for control binary? > > > Well, yes, it's more or less like that Thanks, I rollback libvirt Version but same i/o error happen, Return to latest version.