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xen-devel
Re: [Xen-devel] Re: [PATCH] qemu vnc updates
Stefano Stabellini wrote:
I have just re-read the rfb protocol spec and it specifies quite
clearly that framebuffer updates are sent in response to framebuffer
update requests.
However it is true that the server can collapse multiple requests in a
single reply. It is also clear that the reply can come at any time.
I have seen the linux vncviewer client breaking because of race
conditions due to this problem.
You mean realvnc? The race condition is due to it's use of
SetPixelFormat. By slowing the updates, what you're really doing is
just working around that race condition. That's not a proper solution
though.
This goes away if you set the realvnc options so that it doesn't change
the pixel format from what the server specifies.
Regards,
Anthony Liguori
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