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Message-ID:	<18fd5519-180d-4d48-95d1-994f7c5e36f5@dronecode.org.uk>
Date:	Sat, 4 Nov 2023 15:10:35 +0000
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Subject:	Re: XWin copy/paste succeeds on Windows 7, crashes on Windows 11
	Enterprise.
To:	"Stone, Timothy M" <tstone AT ida DOT org>,
	The Cygwin Mailing List <cygwin AT cygwin DOT com>
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From:	Jon Turney via Cygwin <cygwin AT cygwin DOT com>
Reply-To:	Jon Turney <jon DOT turney AT dronecode DOT org DOT uk>
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On 03/11/2023 20:17, Stone, Timothy M via Cygwin wrote:
>  
> 
> I'm having a really hard time debugging this issue.
> 
> 
> 
> If I use the exact same version of cygwin and XWin, exact same code, exact same Motif GUI app...
> 
> 
> 
> I find that when I try to use copy/paste functionality in TextFieldWidgets:
> 
> 
> 
>    *Cut/Copy/Paste works perfectly on Windows 7 Professional
> 
> 
> 
>    *Cut/Copy/Paste does not work at all and typically crashes on Windows 11 Enterprise
>

I'm assuming this means "the X server crashes", but it's not exactly clear.

If that is the case, there are some instructions on generating 
backtraces to help with debugging at [1].

[1] https://x.cygwin.com/devel/backtrace.html

> 
> I am using an older version of cygwin for this specific test (cygwin 1.7.15 and XWin 1.13.2-1), but I am having the same issue with the latest version as well.
> 
[...]
> 
> Any help greatly appreciated!  Seems this must be a system issue since everything about the cygwin and XWin is exactly the same on both systems?

It's not really safe to make assumptions like this. This could be a 
latent bug in XWin which just happens to get exposed on W11 (or that 
particular system, even)...



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