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Re: [Qemu-devel] [Fwd: qemu tx stop in cloonix]


From: Stefan Hajnoczi
Subject: Re: [Qemu-devel] [Fwd: qemu tx stop in cloonix]
Date: Tue, 26 Feb 2013 10:21:04 +0100

On Mon, Feb 25, 2013 at 11:38 PM,  <address@hidden> wrote:
> I coded a socket-based cable between 2 vanilla kvm, here are the commands
> to do:

Please try:

 kvm \
    -nodefaults \
    -nographic \
    -serial stdio \
    -drive file=guest1,media=disk,if=virtio \
    -netdev socket,id=socket0,connect=127.0.0.1:47654 \
    -device virtio-net-pci,tx=bh,netdev=socket0,mac=02:01:01:01:01:01

    kvm \
    -nodefaults \
    -nographic \
    -serial stdio \
    -drive file=guest2,media=disk,if=virtio \
    -netdev socket,id=socket0,connect=127.0.0.1:47655 \
    -device virtio-net-pci,tx=bh,netdev=socket0,mac=02:02:02:02:02:02

Notice that -netdev socket is used instead of -net socket,vlan=1.

Luigi Rizzo recently fixed a bug where traffic could stall when using
the QEMU "vlan" feature:

http://lists.gnu.org/archive/html/qemu-devel/2013-02/msg00679.html

If you want to try this fix, use the
git://github.com/stefanha/qemu.git net branch.

Stefan



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