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Subject: misleading message fatal error - cygheap base mismatch detected
Date: Thu, 17 Mar 2011 08:33:00 -0600
Message-ID: <4891C37578460441806BA1BB322EB96423F8F8@camsbslak-01.cam-llc.com>
From: "Robert Sandefur" <RSandefur@cam-llc.com>
To: <cygwin@cygwin.com>
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Hi-

I have some legacy FORTRAN code which works fine on ubuntu 64bit. However w=
hen I recompiled on cygwin I got the following error:

$ bin/mseval
=A0=A0=A0=A0=A0 1 [main] mseval 5468 P:\rlstools\bin\mseval.exe: *** fatal =
error - cygheap base mismatch detected - 0x61239790/0x6D3D9790.
This problem is probably due to using incompatible versions of the cygwin D=
LL.
Search for cygwin1.dll using the Windows Start->Find/Search facility and de=
lete all but the most recent version.=A0 The most recent version *should* r=
eside in x:\cygwin\bin, where 'x' is the drive on which you have installed =
the cygwin distribution.=A0 Rebooting is also suggested if you are unable t=
o find another cygwin DLL.

As it turns out I was allocating too much memory and when I reduce my array=
 sizes everything works fine. I know the message says probably but it might=
 not hurt to suggest that the program is too big to fit in memory


Regards

Robert (Bob) L. Sandefur PE


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