On 10/15/2010 03:37 PM, Eric Blake wrote:

https://bugzilla.redhat.com/show_bug.cgi?id=623903 documents a qemu bug that causes libvirt to hang if virt-manager happens to be querying balloon info when a guest is paused. Until the qemu bug is fixed, people need to know how to avoid the issue.

* docs/formatdomain.html.in (Memory balloon device): Mention model='none'. --- docs/formatdomain.html.in | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in index 8ec7446..a4821e1 100644 --- a/docs/formatdomain.html.in +++ b/docs/formatdomain.html.in @@ -1646,6 +1646,9 @@ qemu-kvm -net nic,model=? /dev/null need to explicitly add this element in the guest XML unless a specific PCI slot needs to be assigned. <span class="since">Since 0.8.3, Xen, QEMU and KVM only</span> + Additionally,<span class="since">since 0.8.4</span>, if the + memballoon device needs to be explicitly disabled, +<code>model='none'</code> may be used. </p>

<p>

ACK. These instructions worked for me.