Hi, > > > Il 26/04/2014 10:56, Gonglei (Arei) ha scritto: > > > > Public bug reported: > > > > > > > > I want to repeated hot-plug/unplug the virtio-net in the latest qemu > > > upstream > > > > (commit 839a5547574e57cce62f49bfc50fe1f04b00589a), but I am failed > at > > > the > > > > second time hot plug the virtio-net to guest. > > > > > > > > Then I tried to use Qemu-2.0.0 release version, but I got the error too. > > > > > > > > Cmdline for vm: > > > > > > > > /mnt/sdb/gonglei/qemu/x86_64-softmmu/qemu-system-x86_64 > -enable-kvm > > > -m 4096 -smp 4 -name sles-et -boot c -drive file=/mnt/sdb/gonglei/image/ > > > sles-3.img -vnc 0.0.0.0:10 -monitor stdio > > > > QEMU 1.7.50 monitor - type 'help' for more information > > > > > > For commit 839a5547574e57cce62f49bfc50fe1f04b00589a you should have > > > gotten 1.7.90 as the version number. > > > > > Maybe just because Peter Maydell merge remote-tracking branch. But it > doesn't matter. > > > > > > (qemu) device_add virtio-net-pci,id=net1 > > > > (qemu) device_del net1 > > > > (qemu) device_add virtio-net-pci,id=net1 > > > > Duplicate ID 'net1' for device > > > > (qemu) > > > > > > I cannot reproduce this on Fedora running the 2.0.0 package from the > > > virt-preview repository (qemu-system-x86-2.0.0-2.fc20.x86_64). > > > > > > For what it's worth, I get this for --version: > > > > > > $ qemu-system-x86_64 --version > > > QEMU emulator version 2.0.0, Copyright (c) 2003-2008 Fabrice Bellard > > > > > > and likewise, when starting QEMU with "-monitor stdio": > > > > > > QEMU 2.0.0 monitor - type 'help' for more information > > > > > I got the QEMU 2.0.0 version from http://wiki.qemu.org/Download > > > > The issue was reproduced perforce: > > UVP:/mnt/sdb/gonglei/code/qemu-2.0.0/x86_64-softmmu > #./qemu-system-x86_64 -enable-kvm -m 4096 -smp 4 -name sles \ > > -boot c -drive file=/mnt/sdb/gonglei/image/sles-3.img -vnc 0.0.0.0:10 > -monitor stdio > > QEMU 2.0.0 monitor - type 'help' for more information > > (qemu) device_add virtio-net-pci,id=net1 > > (qemu) device_del net1 > > (qemu) device_add virtio-net-pci,id=net1 > > Duplicate ID 'net1' for device > > (qemu) > > > > Anything wrong? Thanks! > > Issue confirmed with both -monitor and qmp-shell with different other device > models like e1000.
Thanks. This issue confused me two weeks now, any helps will be appreciated. Cc'ing Peter and Michael for additional insights. Best regards, -Gonglei
