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From: Jamie Lokier <jamie@shareable.org>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Re: QEMU 0.8.1 and vnc
Date: Sat, 13 May 2006 20:17:11 +0100	[thread overview]
Message-ID: <20060513191710.GA32441@mail.shareable.org> (raw)
In-Reply-To: <44660E62.6050701@codemonkey.ws>

Anthony Liguori wrote:
> Exactly.  If you have a good network connection, you'll tend to get 
> lucky.  The conditions for this race to happen are 1) a server receives 
> a SetPixelFormat with a different BPP 2) the server has already sent 
> data on the wire in the previous BPP but the client did not receive it 
> before sending the SetPixelFormat message.
> 
> Changing the BPP is rare.  RealVNC does it because it attempts to be 
> smart about reducing bandwidth (it drops down to 8bpp and then goes back 
> up to 32bpp if the transfer rate is fast enough).
> 
> The best way to avoid this behavior is to use AutoSelect=0 FullColor=1 
> on the vncviewer command line.

How do other VNC servers avoid this problem, or do they all have it?

-- Jamie

  reply	other threads:[~2006-05-13 19:17 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-05-12 12:24 [Qemu-devel] Re: QEMU 0.8.1 and vnc Ben Taylor
2006-05-13  2:30 ` Anthony Liguori
2006-05-13 15:15   ` Chris Wilson
2006-05-13 15:21     ` Paul Brook
2006-05-13 16:50       ` Anthony Liguori
2006-05-13 19:17         ` Jamie Lokier [this message]
  -- strict thread matches above, loose matches on Subject: below --
2006-05-05 12:24 [Qemu-devel] " Ben Taylor
2006-05-05 14:06 ` [Qemu-devel] " Anthony Liguori
2006-05-12  3:58   ` Troy Benjegerdes
2006-05-12 11:02     ` andrzej zaborowski

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