Replying to myself..
Hello,
S.J. Luo wrote:
SL on Apr 26, 2022:
I have some EDA tools running on a Linux machine and display on my Windows
PC using xorg-server-21.1.3 XWin multiwindow mode
Sometimes the application window flickers forever for an unknown reason.
The problem became more severe after my PC upgrade to Windows10.
After re-compiling and debugging, I found a calling loop triggered.
Knowing the root cause, I am now able to demonstrate the issue with a small
test case as well as a patch that works for me. Both are attached below.
Any one successfully duplicated the issue?
I've reproduced it. That's a really annoying effect/issue you're seeing. I've
been waiting for the Cygwin X maintainer to respond. I'm not familiar enough with
X internals to know whether your patch is the most appropriate fix.
I will try to build the object you're patching, with your patch, and make that
available to you as a workaround. I'm assuming you haven't done that yourself
just yet.. Give me a day or so to work it out.
I may have misread your post. It now seems to me you've built an X server with
your patch for your own use; you were just needing some acknowledgement from the
Cygwin folks of the issue you reported.
In any case, anybody else who runs into the flickering window issue and needs a
workaround, you can pick up a patched X Window server (64-bit) that I've placed in
a public location: http://maxrnd.com/~mark/cygwin/x86_64/XWin.exe .
Cheers,
..mark
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