[winswitch] First time install of xpra: black screen in all windows.

[G.W. Haywood]

Hello again,

On Fri, 10 Sep 2021, G.W. Haywood wrote:

> ...
> I can start an xpra server on the laptop e.g. with DISPLAY=:101, then
> start an xterm for that instance, then attach a local xpra client to
> display 101 on the laptop and everything is fine.  However if I attach
> to the same server from a client on the Pi, I see a window but there's
> no content displayed in it - it's completely black.  Apart from that
> it's a functioning connection.  I can run commands in the black window
> (blindfold), and they are executed and saved in the command history.

More information.  I forgot to mention that the window manager on the
laptop is fvwm2, which is not negotiable.  On the Pi3B+ it is normally
Fluxbox.  I tried with fvwm on the Pi with exactly the same results.

-- 

73,
Ged.