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QEMU has two different type of QXL display device. The first "qxl-vga" is for primary video device and second "qxl" is for secondary video device. There are also two different ways how to specify those devices on qemu command line, the first one and obsolete is using "-vga" option and the current new one is using "-device" option. The "-vga" could be used only to setup primary video device, so the "-vga qxl" equal to "-device qxl-vga". Unfortunately the "-vga qxl" doesn't support setting additional parameters for the device and "-global" option must be used for this purpose. It's mandatory to use "-global qxl-vga...." to set the parameters of primary video device previously defined with "-vga qxl". Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1076098 Signed-off-by: Pavel Hrdina <phrdina@redhat.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>