libvirt users - Oct 2012 - hotplug

Another separate thread for a slightly separate issue.

For some reason, hotplugging disks does not work for me.

I built my guest with ubuntu's vmbuilder. It's Precise, virtual.

I have acpiphp in my /etc/modules file:

$ lsmod
Module                  Size  Used by
psmouse                97443  0
serio_raw              13211  0
virtio_balloon         13108  0
acpiphp                24231  0
floppy                 70365  0

hotplug_pci seems to be compiled into the kernel:

$ grep HOTPLUG_PCI /boot/config-3.2.0-32-virtual
CONFIG_HOTPLUG_PCI_PCIE=y
CONFIG_HOTPLUG_PCI=y
CONFIG_HOTPLUG_PCI_FAKE=m
CONFIG_HOTPLUG_PCI_ACPI=m
CONFIG_HOTPLUG_PCI_ACPI_IBM=m
CONFIG_HOTPLUG_PCI_CPCI=y
CONFIG_HOTPLUG_PCI_CPCI_ZT5550=m
CONFIG_HOTPLUG_PCI_CPCI_GENERIC=m
CONFIG_HOTPLUG_PCI_SHPC=m

But when I attach a disk, absolutely nothing happens in the guest. No
messages in the logs, no change to /proc/partitions, no new device nodes.
When I reboot, the disk appears.

Any ideas?

Thanks,

Douglas
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Hi,

I am using libvirt version 0.9.13 with Ubuntu 12.10

When I try to start a VM with an openvswitch bridge interface I get the
error:

error: Failed to start domain kvm113-2
error: Unable to add port vnet1 to OVS bridge ovsbr: Operation not permitted


Here is my bridge configuration:
 <interface type='bridge'>
      <mac address='52:54:00:c7:db:d2'/>
      <source bridge='ovsbr'/>
      <virtualport type='openvswitch'>
        <parameters
interfaceid='40e21558-217c-d8ef-c9a9-5275fa4b4a46'/>
      </virtualport>
      <model type='virtio'/>
      <address type='pci' domain='0x0000' bus='0x00'
slot='0x05'
function='0x0'/>
    </interface>


This configuration previously worked  fine.

Request your help and insights.

WIth best regards
Radhika
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