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Message-ID: <9223b239-b081-4a39-a70a-81b963662117@dronecode.org.uk>
Date: Fri, 21 Feb 2025 14:17:16 +0000
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Subject: Re: Cygwin/X not working under Windows 11
To: Erik Dybdahl <erik56d@gmail.com>
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From: Jon Turney via Cygwin <cygwin@cygwin.com>
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On 19/02/2025 19:05, Erik Dybdahl via Cygwin wrote:
> Actually, I found a way to make it work somehow, namely by passing "-engine
> 1" to XWin.exe, following a (21 year old) tip from here:
> https://cygwin-xfree.cygwin.narkive.com/maSzrlKY/crash-when-remote-desktop-changes-screen-resolutions
> 
> ons. 19. feb. 2025 kl. 19:59 skrev Erik Dybdahl <erik56d@gmail.com>:
> 
>> Thanks,
>> That first command does indeed cause a server window titled "Cygwin/X:0.0
>> to appear (an all white window).

Yeah, all white is an important clue here, since it means no rendering 
is going on at all.

So, '-engine 1' is what I would recommend also.

(Why this is failing is still a bit mysterious. Perhaps you have some 
exotic graphics card and/or buggy driver, which claims to support 
DirectDraw but doesn't actually?)

>> 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.


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