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Message-ID: <23953cc9-aff2-4601-9c2d-155d04cd3a62@dronecode.org.uk>
Date: Thu, 11 Jun 2026 13:19:11 +0100
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Subject: Re: Cygwin: /usr/bin/mount with UNC path does not work
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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 11/06/2026 11:31, Aurélien Couderc via Cygwin wrote:
> On Thu, Jun 11, 2026 at 11:57 AM Aurélien Couderc
> <aurelien DOT couderc2002 AT gmail DOT com> wrote:
>>
[...]
>>>> I also tried
>>>> mkdir nfspool
>>>> /usr/bin/mount  '//66 DOT 9 DOT 20 DOT 44 AT NFS@2049/nfspool' $PWD/nfspool
>>>

This is the form of the command given in example 3.12 in the man page, 
so should not be hard to discover.

>>> of cource.
>>>
>>>> that succeeded, but a cd nfspool then fails.
>>
>> I think I found the issue;
>> The /usr/bin/mount and cd works if $PWD is on NTFS, but fails if $PWD
>> is on SMB or NFS.
>>
>> Is this a Cygwin bug?

You started with:

> /usr/bin/mount with UNC path does not work on Cygwin 3.7 (todays version).

... so are you claiming that this is a regression in 3.7?

Or have you not tested with 3.6?

> Testcase:
> After the cd nfspool do a cygwin -w "$PWD"
> In my case this reports the path of the base filesystem and not the
> UNC path passed to /usr/bin/mount.

Can you show the output of 'mount' at this point in time?


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