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Subject:	Re: Cygwin/X not working under Windows 11
To:	Jon Turney <jon DOT turney AT dronecode DOT org DOT uk>
Cc:	cygwin AT cygwin DOT com
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From:	Erik Dybdahl via Cygwin <cygwin AT cygwin DOT com>
Reply-To:	Erik Dybdahl <erik56d AT gmail DOT com>
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Thanks,
That first command does indeed cause a server window titled "Cygwin/X:0.0
to appear (an all white window).
The next command gives some info and warnings, and then 10 of these:

winShadowUpdateDDNL - IDirectDrawSurface4_Blt () failed: 88760827
winShadowUpdateDDNL - IDirectDrawSurface4_Blt failure message maximum (10)
reached.  No more failure messages will be printed.

and nothing shows up.



tir. 18. feb. 2025 kl. 20:04 skrev Jon Turney <jon DOT turney AT dronecode DOT org DOT uk>:

> On 18/02/2025 14:56, Erik Dybdahl via Cygwin wrote:
> > Hi,
> > I have been using Cygwin for the last twenty years, and fifteen years
> ago a
> > colleague of mine introduced me to Cygwin/X.
> > I've used it ever since, because it's much better to have Xterm windows
> > controlled by this than to have a number of mintty instances started
> under
> > and controlled by MS Windows.
> >
> > Sadly, after switching to a new laptop running Windows 11, it does not
> work
> > anymore.
> > This is the bin/X.sh script I've been using:
> > #!/bin/sh
> > export DISPLAY=":0.0"
> > export XENVIRONMENT="${HOME}/.Xresources"
> > XWin -clipboard -dpi 200 &
> > sleep 5
> > echo "Starting wmaker..."
> > wmaker &
> > wait
> >
> > and here is how it was started:
> >
> > C:\cygwin64\bin\mintty.exe /bin/bash -l -e
> > c:\cygwin64\home\dybdaeri\bin\X.sh
> >
> > This starts XWin.exe, with a few Xterm windows in it.
> >
> > Now, on my new laptop, only a blank screen is shown, and I am not able to
> > get any xterm window presented there.
>
> Perhaps you could try the simplest possible way of running things as a
> test:
>
> XWin :0 &
> DISPLAY=:0.0 xterm
>
> If I understand correctly, this gives you a server window (titled
> "Cygwin/X:0.0"), but no xterm window inside it.
>
> If the xterm client can't connect to the server, this might be due to a
> interference from some firewall software (as the Cygwin UNIX domain
> socket used here is emulated by Cygwin using a loopback TCP/IP socket).
>
>

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