Re: strange ATI video issue

Russell Coker via linux-aus <[email protected]>
Newsgroups gmane.linux.australia
Message-ID <14692772.zFbMJxpPmS@xev>
On Friday, 18 February 2022 18:12:55 AEDT James Cameron via linux-aus wrote:
> At a telescope we had a performance problem with a four headed
> workstation, which uses XDMCP to host an X11 display from an
> instrument computer, then uses x11vnc to provide that to multiple
> remote observers.  It was limited CPU vs GPU bandwidth.  Once we had
> enough display updates happening, the TCP queues for the X server
> would begin to grow, and interactive latency for the VNC users would
> climb from 250ms to about 10 seconds.  I reproduced it with many
> instances of `xclock -update 1`.

So you are saying that the GPU isn't fast enough to keep up with requests and 
has some sort of buffer overflow and congestion control problem?

So the solution would be to have the system do less graphics stuff or get a 
faster GPU?

I'm not going to use a proprietary driver.

-- 
My Main Blog         http://etbe.coker.com.au/
My Documents Blog    http://doc.coker.com.au/

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