KARR, DAVID wrote:
> I'm new to fvwm, although I used X11 a lot in the previous millenium.
> I'm connecting from my Win7 laptop to an Ubuntu box with "tightvnc",
> running tightvncserver on the ubuntu box and TightVNCViewer on the
> Win7 laptop. I get to the ubuntu box through an intermediate 
> jumpserver, and I have a local port forward so the Win7 laptop can
> use the vnc port.
> In my "~/.vnc/xstartup" file, the last line runs "exec /usr/bin/fvwm".
> When I run the client and connect to the port, I can get to the fvwm
> context menu and create an xterm, and from there create other windows.
> The strange thing is that after I've been working with this for a few
> minutes, and then perhaps switch the focus to other windows on my
> Win7 box and then later return to the vnc client window, I find that
> all I see is a grey fvwm background.  I can create another xterm
> window, and if I do "ps -elf | grep xterm", I see the original xterm
> window, not to mention other windows that I've created.  Also, if I
> select "Restart fvwm" from the context menu, I briefly see all the
> other windows that I've created, and then they disappear.
> I've gone through this sequence a few times now, and it's repeatable.
> Why might those windows be disappearing?  Is this a fvwm problem, or
> a TightVNCViewer problem?

I haven't any experience with VNC but in Virtualbox this happens, too
if FVWM has more than one virtual pages defined and page scrolling is 
active. So e.g you move your cursor out of the left window FVWM 
switch to the left available page and your xterm 'disappears'.

Try to click your middle mouse button. Often the windowlist is binded
to it. If so you see a list of available windows. By clicking one you
choose it.

To disable page scrolling search in your config for 'EdgeScroll' and
change it to
EdgeScroll 0 0

Hope this helps.

-- Thomas --

"Two things are infinite: the universe and human stupidity; and I'm not sure 
about the the universe."   --   Albert Einstein

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