The key-repeat problem on xorg VNC-enabled server

[Jean Brouwers]

We have seen similar, erratic key repeat problems before.  In our  
case, the root cause was a very slow network connection, especially  
in upload direction towards the VNC server.  Or the keyboard setting  
on the VNC viewer, client side: highest key repeat rates and shortest  
key repeat delays.

There is much which can be done about the former.  But throttling  
down the keyboard configuration helped avoid the problem.

/Jean Brouwers



On Oct 9, 2008, at 12:24 AM, Sean Kamath wrote:

> Hi.
>
> We're looking at a site license for Enterprise VNC.  One thing I  
> was hoping was fixed was the wacky key-repeat problem, which is  
> only present when you add the vnc.so module to the xorg.conf file  
> on Linux.
>
> So, with these combinations:
>
> RHEL WS4 U4, xorg-x11-6.8.2-1.EL.13.36, vnc-E-4.4.2.13160-1
> RHEL WS4 U4, xorg-x11-6.8.2-1.EL.13.36, vnc-4.0-11.el4
> RHEL5.2, xorg-x11-server-Xorg-1.1.1-48.41.el5, vnc-4.1.2-9.el5
>
> they *ALL* do the same thing:  In a shell, hold the shift key down,  
> hold down another key (like 'j'), let go the shift, then let go the  
> other key.  Enjoy the string of j's.  If you hold down 'control'  
> while the j's are furiously being put forth, it will switch to  
> Control-j's.  Let up the control key, and you'll be back to 'j's.
>
> So, where, exactly, is this bug?  In Xorg?  Or VNC? Is it fixed  
> anywhere?  Can it be fixed?
>
> Sean
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