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Subject:	Re: reading from pipes fails if working directory is on a removable drive
To:	cygwin AT cygwin DOT com
References:	<3429db07-294c-a42a-f131-45016ecf5af9 AT mihau DOT de>
From:	Marco Atzeri <marco DOT atzeri AT gmail DOT com>
Message-ID:	<fdc2df23-276c-6a43-b28c-6ea1fd182080@gmail.com>
Date:	Thu, 28 Apr 2016 23:23:10 +0200
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On 28/04/2016 23:16, mihau wrote:
> hello,
>
> came across this today on a fresh (2 days old) installation of cygwin x86
>
> $ cat test.txt | head
>       3 [main] head (3348) C:\tools\cygwin\bin\head.exe: *** fatal error
> - MapViewOfFileEx '(null)'(0x5DC), Win32 error 6.  Terminating.
> Segmentation fault
>
> reading from pipes works fine if working directory is a local drive or a
> UNC path,
> but this happens if the working directory is removable drive. I tried
> with/on various
> devices and it happens on all removable drives, regardless of the
> filesystem (NTFS or FAT32)
>
> also, 'head' is just an example; the same error comes up when trying to
> use grep,
> sed or gawk (haven't tested with others yet).
>
> does anybody know what could be causing this?
>
> thank you,
> Michael
>

My cygwin is on a removable drive so your experience
is not normal.

I guess some BLODA.

As suggested on
https://cygwin.com/problems.html

"Run cygcheck -s -v -r > cygcheck.out and include that file as an 
attachment in your report. Please do not compress or otherwise encode 
the output. Just attach it as a straight text file so that it can be 
easily viewed. "

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