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Date: Thu, 01 Mar 2012 00:18:33 +0100
From: marco atzeri <marco DOT atzeri AT gmail DOT com>
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To: cygwin AT cygwin DOT com
Subject: Re: cygheap base mismatch detected
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On 2/29/2012 8:30 PM, Charles Wilson wrote:
> I've been running into a strange "error" lately (that is, I first
> noticed it for sure on 1.7.10, but it MIGHT have occurred also on 1.7.9.
> It persists on 1.7.11). cygcheck -- and *only* cygcheck -- is reporting
> a cygheap base mismatch but only on an XP64 machine:
>
> $ cygcheck -cd cygwin
>        1 [main] cygcheck (3756) C:\cygwin\bin\cygcheck.exe: *** fatal
> error - cygheap base mismatch detected - 0x61270870/0x2170870.
> This problem is probably due to using incompatible versions of the
> cygwin DLL.
> Search for cygwin1.dll using the Windows Start->Find/Search facility
> and delete all but the most recent version.  The most recent version
> *should*
> reside in x:\cygwin\bin, where 'x' is the drive on which you have
> installed the cygwin distribution.  Rebooting is also suggested if you
> are unable to find another cygwin DLL.
> Cygwin Package Information
> Package              Version
> cygwin               1.7.11-1
>
> (Note that cygcheck actually *does* complete the requested command,
> after the error message from (cygwin1.dll/dcrt0.cc?) is printed.
>
>
> However, a full search of C:\ shows no other cygwin1.dll except
> C:\cygwin\bin.  An explicit search of every directory in $PATH also
> shows no cygwin1.dll except the expected one.
>
> Similarly, I *can* run cygcheck -svr -- it just complains before
> printing the requested info.  See attached [slightly redacted]. (Note
> again, only one cygwin1.dll present).
>
> I don't see this behavior on other (XP32) machines on the same network.
> Any idea what's going on?  Could it have something to do with operating
> under WOW64 (as 32bit cygwin must)?
>
> --
> Chuck
>

never seen before your problem and I am running W7/64 all the time.

$ cygcheck -cd cygwin
Cygwin Package Information
Package              Version
cygwin               1.7.11-1

$ uname -a
CYGWIN_NT-6.1-WOW64 MARCOATZERI 1.7.11(0.260/5/3) 2012-02-24 14:05 i686 
Cygwin

so it could be a XP64 only problem.
Have you eventually multiple copy of cygcheck ?

Marco

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