[Spice-devel] Multiple qxl displays from the command-line.

David Jaša djasa at redhat.com
Tue Mar 11 02:23:40 PDT 2014


Hi Trebor,

What is your guest OS? The invocation differs for Linux and Windows, for
linux, you use just one device with big enough RAM:
-vga qxl -global qxl-vga.ram_size=134217728

for windows guests, you should use multiple qxl devices:
-vga qxl -device qxl [-device qxl [-device qxl]]

BTW, based on libvirt-generated qemu CLIs on my Fedora 20, it seems that
this is the current format:
-device qxl-vga,ram_size=134217728,vram_size=33554432
and
-device qxl-vga,ram_size=67108864,vram_size=33554432 -device qxl-vga,ram_size=67108864,vram_size=33554432 -device qxl-vga,ram_size=67108864,vram_size=33554432 -device qxl-vga,ram_size=67108864,vram_size=33554432

David


On So, 2014-03-08 at 12:33 +0100, Trebor Forban wrote:
> Hello,
> 
> how can one configure multiple qxl displays from the command-line in qemu?
> 
> "-vga qxl -device qxl" is not working (the VM fails to start)
> 
> "-vga qxl -global qxl-vga.revision=4" works, but remote-viewer only
> shows one display although two are connected.
> 
> QEMU emulator version 1.7.0 (Debian 1.7.0+dfsg-3ubuntu5)
> Remote-Viewer Version 0.5.6
> 
> Best regards and thanks,
> 
> TF
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