Thanks for pointing that out. Ldd also worked fine on my  Windows 10 Home box.

From: Brian Inglis <Brian.Inglis@Shaw.ca>
Sent: Tuesday, May 23, 2023 12:39 AM
To: cygwin-apps@cygwin.com
Cc: Rodney Brown <rbrown@bravurasolutions.com>
Subject: Re: x86_64 ldd hangs running on a DLL

[EXTERNAL EMAIL]

BLODA? https://cygwin.com/faq/faq.html#faq.using.bloda<https://cygwin.com/faq/faq.html#faq.using.bloda>

On 2023-05-21 14:32, Jon Turney via Cygwin-apps wrote:
> On 18/05/2023 02:46, Rodney Brown via Cygwin wrote:
>> $ uname -a
>> CYGWIN_NT-10.0-19045 X 3.4.6-1.x86_64 2023-02-14 13:23 UTC x86_64 Cygwin
>> $ ldd --version
>> ldd (cygwin) 3.4.6
>>
>> As with "ldd freezes"
>> https://sourceware.org/legacy-ml/cygwin/2015-07/msg00314.html<https://sourceware.org/legacy-ml/cygwin/2015-07/msg00314.html> , cygcheck works,
>> not only for Cygwin DLLs and ldd hangs needing the xterm to be closed, though
>> it can interrupted when run
>> under strace, or did. Strace now is segfaulting.
>
> What changed to make it start segfaulting?
>
>> Did Corinna's fix for i686 not end up in the x86_64 code?
>
> The claim here seems to be: ldd is broken on x86_64 for all dlls, and has been
> since 2015, and nobody has noticed.
>
> While possible, this seems unlikely.
>
> All I can tell you is that it appears to WFM.  Perhaps you can provide some more
> details?
>
>> $ ldd /usr/bin/cygwin1.dll
>>         ntdll.dll => /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll (0x7ffe56090000)
>>         KERNEL32.DLL => /cygdrive/c/WINDOWS/System32/KERNEL32.DLL
>> (0x7ffe54a90000)
>>         KERNELBASE.dll => /cygdrive/c/WINDOWS/System32/KERNELBASE.dll
>> (0x7ffe53c40000)
>>         msvcrt.dll => /cygdrive/c/WINDOWS/System32/msvcrt.dll (0x7ffe55750000)
>>         advapi32.dll => /cygdrive/c/WINDOWS/System32/advapi32.dll
>> (0x7ffe54d90000)
>>         sechost.dll => /cygdrive/c/WINDOWS/System32/sechost.dll (0x7ffe549b0000)
>>         RPCRT4.dll => /cygdrive/c/WINDOWS/System32/RPCRT4.dll (0x7ffe55570000)
>>         CRYPTBASE.DLL => /cygdrive/c/WINDOWS/SYSTEM32/CRYPTBASE.DLL
>> (0x7ffe53060000)
>>         bcryptPrimitives.dll =>
>> /cygdrive/c/WINDOWS/System32/bcryptPrimitives.dll (0x7ffe53770000)
>

--
Take care. Thanks, Brian Inglis Calgary, Alberta, Canada

La perfection est atteinte Perfection is achieved
non pas lorsqu'il n'y a plus rien à ajouter not when there is no more to add
mais lorsqu'il n'y a plus rien à retirer but when there is no more to cut
-- Antoine de Saint-Exupéry