Re: [Qemu-devel] Monitor and serial output window broken with SDL2

[Gerd Hoffmann <kraxel@redhat.com>]

  Hi,

> > > > > Doesn't reproduce too.  It's also not clear why x86_64 should behave
> > > > > different that ppc.  There is no arch-specific code ui/, so there should
> > > > > be no difference, exept for hardware like paralle ports which are not
> > > > > supported by all machine types.
> > > > > 
> > > > > Any chance you have tested an old ppc binary?
> > > > 
> > > > Not likely because I did make distclean and a clean build before testing
> > > > to avoid any possible mismatch. It still does not work for me though.
> > > > While
> > > 
> > > I still have this problem after updating everything on my machine, latest
> > > QEMU and SDL 2.0.9 so it's not likely to be a bug in some external
> > > component. If I just start qemu-system-ppc (compiled with --disable-gtk) and
> > > try to open monitor console with Ctrl-Alt-2 I see QEMU monitor but when I
> > > type in this window the serial output window contents flash in this window.
> > > At the same time the window that opens for Ctrl-Alt-3 which should have the
> > > serial output is empty. It looks like an index may be off somewhere or
> > > window contents are not associated with the right window but I have no idea
> > > where to look for it. Can you reproduce it now and do you have any idea what
> > > could cause this?
> > 
> > Could you share an example command line which can be used to reproduce
> > the problem.
> 
> As I wrote above ust "qemu-system-ppc" without any options reproduces the
> problem here.

Still doesn't reproduce, using "qemu-system-ppc -display sdl".  x86_64
is fine too.  Also using SDL 2.0.9.

"struct sdl2_console" holds the per-window state, you could try to
sprinkle some debug printfs (or add trace points) to sdl2_window_create,
sdl2_redraw, ...

HTH,
  Gerd