XWayland and crash when mapping a lot of windows

[Alexander Zvegintsev]

Hi Olivier, all,


Looks like I stumbled to another crash with XWayland:

I filed it as https://gitlab.freedesktop.org/xorg/xserver/-/issues/1222

In short GUI are crashing if you are trying to map a lot of windows at once.


Originally I've found it during running tests which are trying to map a 
lot of windows, one for every GraphicsConfiguration.

(GraphicsConfigurations are populated 
<https://github.com/openjdk/jdk/blob/master/src/java.desktop/unix/native/libawt_xawt/awt/awt_GraphicsEnv.c#L321> 
by XVisualInfos for various depths, colormap sizes etc).


I have 210 GraphicsConfigurations per display on Xwayland, so I am 
constantly crashing in 2 display configuration(420+ windows).

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Thanks,
Alexander.