bug#43672: 28.0.50; select-frame-set-input-focus does not set focus first time called

[martin rudalics]

> Indeed.  After closing the other windows

"windows"?

> here, I saw that the frames
> were sitting in the background, but with no way to interact with them.
> (Even after the Emacs process was long gone.)  This has to be a bug in
> Gnome Shell, but it means that I can't debug the reported error here, so
> somebody else will have to look at it.

Have you tried with the simpler scenario I posted?

In either case, with xfwm here the child frame gets selected as
expected.

martin