On 05/01/2013 08:43 AM, Guan Nan Ren wrote: > Since qemu v1.1.0 upstream commit 8cf364, qemu implemented shared-flag handling > the default qemu vnc server behavior from mode 'ignore' to 'allow-exclusive'. > The direct effect is as follows for libvirt user: > vncviwer client: > before: all client could share desktop without any option > after: all client need -Shared options for desktop sharing. One client without > -Shared option breaks others's connection > virt-viewer: > before: virt-viewer could support multiple desktop sharing > after: only one active connection > > If we need to keep the original vnc behavior at libvirt level, the '-vnc :1,share=ignore' > need to add into qemu commandline. > > Any ideas about this? It sounds like we need an XML attribute, with several states (exclusive, allow-share, force-share, ignore), and then specify that omitting the attribute allows the hypervisor to pick its own default. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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