[Bug 1071011] Re: specific device not available in client (passthrough) with high cpu load on host, none in client

[Serge Hallyn]

The way to check upstream qemu's git HEAD is:

    sudo apt-get build-dep qemu-kvm
    sudo apt-get install git
    git clone git://git.qemu.org/qemu.git
    cd qemu
    ./configure --target-list=x86_64-softmmu
    make

then run it as

    cd x86_64-softmmu
    ./qemu-system-x86_64 --enable-kvm (existing-arguments)

or if you are using libvirt, you should be able to

    cd x86_64-softmmu
    sudo mv /usr/bin/kvm /usr/bin/kvm.orig
    sudo ln -s $(pwd)/qemu-system-x86_64 /usr/bin/kvm

then test, then

    sudo rm /usr/bin/kvm
    sudo mv /usr/bin/kvm.orig /usr/bin/kvm

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https://bugs.launchpad.net/bugs/1071011

Title:
  specific device not available in client (passthrough) with high cpu
  load on host, none in client

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