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7b6b9d3863
Currently, libvirt is using legacy USB controller as default. There are problems with VGA which can't work correctly with USB Keyboard and USB Mouse. While providing -nodefaults, ppc64 should be specifying the usb controller explicitly in place of using the legacy controller(-usb). Qemu spapr initialization code when sees "-usb" adds a USB Keyboard and USB Mouse by default. And libvirt has added a USB keyboard and USB mouse. A recent fix in the in qemu VGA code uncoverd this problem, which resulted in addition of extra keyboard and mouse to the qemu machine. This patch is to set pci-ohci as USB default controller. Signed-off-by: Li Zhang <zhlcindy@linux.vnet.ibm.com>
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>