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From: Gerd Hoffmann <kraxel@redhat.com>
Date: Tue, 26 Aug 2014 08:08:48 +0200
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Subject: Re: [Qemu-devel] Bug#758881: [bisected] VNC server can't get all
 sent chars correctly
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To: Michael Tokarev <mjt@tls.msk.ru>
Cc: Marc <sibson@gmail.com>, qemu-devel <qemu-devel@nongnu.org>, 758881@bugs.debian.org, Gonglei <arei.gonglei@huawei.com>, Gabriele Giacone <1o5g4r8o@gmail.com>, Marc Sibson <sibson+vncdotool@gmail.com>

On Di, 2014-08-26 at 09:55 +0400, Michael Tokarev wrote:
> 26.08.2014 09:40, Gerd Hoffmann wrote:
> > There should be a delay after every character.  It can be pretty small.
> > 10ms should be enough (you should set TCP_NODELAY though to make sure
> > the key events are not buffered in the network stack).
> 
> Is this delay qemu-specific (or, rather, virtualization-specific, so to say,
> when the target - the VNC server - is working with a hardware being emulated),
> or applies to all VNC servers equally?

Dunno, didn't try.  Maybe you can hit it with xvnc too.  But I'd expect
that software (xvnc) has larger buffers than (emulated) hardware, so it
doesn't trigger that easily.

cheers,
  Gerd