Mailing List Archive

-----Original Message-----
From: vnc-list-bounces@realvnc.com [mailto:vnc-list-bounces@realvnc.com]
On Behalf Of Marty Piorkowski
Sent: Wednesday, November 03, 2010 7:57 PM
To: vnc-list@realvnc.com
Subject: Need to move my mouse to refresh VNC session

Hi,

During a VNC session, when I type something in an X-term window, nothing
appears until I move my mouse a little. Moving the mouse is required to
see
what has transpired on the VNC screen. Any thoughts on to what this
might
be?

Thanks,
Marty



Marty:

Do U happen to be using Cygwin xterms with a 'multiwindow' Xserver
on a Windows machine?

I use Cygwin tools on my MSWindows machines, and use all the
defaults for startxwin.exe to start the Xserver, which starts up
in multiwindow mode. I used to use 'fullscreen' mode, in which
the Xserver never had any update problem (and still doesn't, when
I can get it running), but fullscreen mode seems not to be supported
by startxwin.exe any longer (I haven't checked the source code
yet, though). When started using the older bash script, the Xserver
doesn't start up reliably (I think that's why the maintainer
switched to an executable), so I don't use fullscreen mode any
more. In multiwindow mode, all the X-based tools often seem to
need a keystroke or a mouse wiggle to update when they first gain
focus. I'm not sure if this is due to X resources, the Xserver
itself, or the Cygwin port of the X packages, but it's a place to
start looking.

Thx, Phil Long

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On 4-11-2010 0:57, Marty Piorkowski wrote:
> During a VNC session, when I type something in an X-term window, nothing
> appears until I move my mouse a little. Moving the mouse is required to see
> what has transpired on the VNC screen. Any thoughts on to what this might
> be?

I bet the refresh settings need an update. They can be set at both the
server and desktop side.

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On Fri, 5 Nov 2010, Corne Beerse wrote:

> On 4-11-2010 0:57, Marty Piorkowski wrote:
>
>> During a VNC session, when I type something in an X-term window,
>> nothing appears until I move my mouse a little. Moving the mouse is
>> required to see what has transpired on the VNC screen. Any thoughts on
>> to what this might be?
>
> I bet the refresh settings need an update. They can be set at both the
> server and desktop side.


I remember having this problem on a UNIX/Linux system, but I don't
remember how I fixed it. I think maybe I had to kill the session and
start over.

This reminds me of a problem I was having with a conflict of SSH port
forwarding:

http://www.gossamer-threads.com/lists/vnc/list/51451

I think maybe that was a cause of the weirdness we are now discussing. I
know it was happening for someone using :12, and thus 6012.

Mike

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Thanks for your message, Mike. It is Linux, and I also had this before, but
don't remember exactly how I fixed it. I did try killing it this time and
that didn't work. The interesting thing is, that it's a :0 session, which
means it's an exact working session of my Linux machine's screen with a dual
monitor width. I can use a :2 or any other session, and I don't need to
move my mouse to refresh.

Thanks,
Marty

-----Original Message-----
From: vnc-list-bounces@realvnc.com [mailto:vnc-list-bounces@realvnc.com] On
Behalf Of Mike Miller
Sent: Saturday, November 06, 2010 11:44 PM
To: Corne Beerse
Cc: vnc-list@realvnc.com
Subject: Re: Need to move my mouse to refresh VNC session

On Fri, 5 Nov 2010, Corne Beerse wrote:

> On 4-11-2010 0:57, Marty Piorkowski wrote:
>
>> During a VNC session, when I type something in an X-term window,
>> nothing appears until I move my mouse a little. Moving the mouse is
>> required to see what has transpired on the VNC screen. Any thoughts
>> on to what this might be?
>
> I bet the refresh settings need an update. They can be set at both the
> server and desktop side.


I remember having this problem on a UNIX/Linux system, but I don't remember
how I fixed it. I think maybe I had to kill the session and start over.

This reminds me of a problem I was having with a conflict of SSH port
forwarding:

http://www.gossamer-threads.com/lists/vnc/list/51451

I think maybe that was a cause of the weirdness we are now discussing. I
know it was happening for someone using :12, and thus 6012.

Mike

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