[libvirt] [PATCH 1/1] Enable QEMU_CAPS_PCI_MULTIBUS capability for QEMU2.0 forward.

[Michal Privoznik]

On 09.04.2014 04:03, Li Zhang wrote:
> From: Li Zhang <zhlcindy at linux.vnet.ibm.com>
>
> For QEMU2.0 forward version, it supports PCI multiBUS.
> Currently, libvirt still disables it which causes an error
> "Bus 'pci' not found".
>
> Signed-off-by: Li Zhang <zhlcindy at linux.vnet.ibm.com>
> ---
>   src/qemu/qemu_capabilities.c | 3 +++
>   1 file changed, 3 insertions(+)
>
> diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
> index 2c8ec10..b49398f 100644
> --- a/src/qemu/qemu_capabilities.c
> +++ b/src/qemu/qemu_capabilities.c
> @@ -3019,6 +3019,9 @@ virQEMUCapsInitQMPMonitor(virQEMUCapsPtr qemuCaps,
>       if (qemuCaps->version >= 1006000)
>           virQEMUCapsSet(qemuCaps, QEMU_CAPS_DEVICE_VIDEO_PRIMARY);
>
> +    if (qemuCaps->version >= 2000000)
> +        virQEMUCapsSet(qemuCaps, QEMU_CAPS_PCI_MULTIBUS);
> +
>       if (virQEMUCapsProbeQMPCommands(qemuCaps, mon) < 0)
>           goto cleanup;
>       if (virQEMUCapsProbeQMPEvents(qemuCaps, mon) < 0)
>

Libvirt is setting this capability unconditionally for all x86_64 and 
i686 (see virQEMUCapsInitArchQMPBasic). What is the actual scenario 
you're seeing this error in?

Michal