[X2Go-User] strange display issue with SDL apps

[Hanno Foest]

On Sat, Feb 11, 2023 at 03:23:49PM +0100, Ulrich Sibiller wrote:

> I played around a bit: I could only compile parallax-2, the newer ones
> show a linking problem:

parallax-4 worked for me with 

parallax4_LDFLAGS = "-Wl,--copy-dt-needed-entries"

in Makefile.

> Nevertheless I made a quick test:
> 1. run nxagent -ac :55
> 2. in a second shell run DISPLAY=:55 parallax2 -> works fine on the
> nxagent window
> 3. in a third shell run kill -HUP $(pgrep nxagent) -> window will
> close (resembling session suspend)
> 4. wait a while, then repeat the previous command -> window will show
> again (resembling session resume) -> no fullscreen, no glitches
> 
> Repeating the test with  nxagent -ac -55 -R in step 1 (thus simulating
> a rootless session) shows the problem here, too. So it really looks
> like a bug in nxagent.
> 
> Can you confirm?

Yes, exactly the same here!

Hanno