support question regarding X11 1.20.1

[Aaron Plattner]

On 6/19/19 2:10 PM, Greenamyer, Shaun wrote:
> Hey guys,
> 
> I hope this message isn’t an annoyance but I’m not sure the best place
> to turn right now.
> 
> I am having an issue with my X windows not getting “erased” when the
> window is closed. I’m probably not explaining well which is why my
> google searches have been empty. Basically I am running MWM as my window
> manager and opening an Xterm then exiting the xterm, after this the
> xterm window is still displayed but does not respond. I checked xwininfo
> and I see no reference to the window that I closed so I feel like the
> window was destroyed.   Another interesting observation is that if I
> take another good window and drag it over the bad window, the good
> window will slide under the bad window. Its very strange.  Lastly I have
> the NVIDIA driver installed (430.26) and this issue only happens when
> the COMPOSITE extension is disabled.

Are you using a Red Hat build of the X server, and do you have
workstation overlays enabled, by any chance?

The symptoms sound like this bug:
https://bugzilla.redhat.com/show_bug.cgi?id=1683853

-- Aaron