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Date:	Wed, 28 Aug 2013 09:29:36 -0400
Message-ID:	<CAOM+n3z2tb=O7zLujsZY_KpqA=1Q05PYHEpCdM6+iUtav4k+iQ@mail.gmail.com>
Subject:	Re: Trying to solve my cygheap base mismatch issue
From:	Tony Whyte <tonywhyte943 AT gmail DOT com>
To:	cygwin AT cygwin DOT com

Hi All
I have resorted to attempting a fresh install of a base Cygwin because
I suddenly started getting cygheap errors (after year of use) when I
launched the cygwin terminal window.

Im pretty sure it was related to a non-Cygwin dll, PGHook.dll, that
had grabbed a slot at  0x61100000 thus crowding out cygwin1.dll from
its preferred base address of 0x61000000.

This displacement however undermines a successful install also , as
post install scripts try to execute. (See error snippet below).

Visited: 49 nodes out of 49 while creating dependency order.
Dependency order of packages: libgcc1 libiconv2 libintl8 alternatives
base-cygwin libstdc++6 libattr1 cygwin libgmp3 libgmp10 libmpfr4
libreadline7 gawk tzcode coreutils terminfo libncursesw10 bash
findutils sed base-files libbz2_1 bzip2 libpopt0 cygutils dash
diffutils dos2unix editrights zlib0 file gettext libpcre0 grep groff
gzip ipc-utils libncurses10 less liblzma5 login xz man mintty rebase
run tar vim-minimal which
2013/08/27 08:37:31 running: C:\cygwin\bin\bash.exe --norc --noprofile
"/etc/postinstall/000-cygwin-post-install.sh"
      6 [main] mkdir (2500) C:\cygwin\bin\mkdir.exe: *** fatal error -
cygheap base mismatch detected - 0x7A0970/0x720970.

To add some context I show listdlls.exe output for a dash.exe process below.

dash.exe pid: 1768
Command line: "C:\cygwin\bin\dash.exe"

Base        Size      Path
0x00400000  0x1a000   dash.exe
0x7c900000  0xb2000   ntdll.dll
0x7c800000  0xf6000   kernel32.dll
0x61100000  0x3f000   PGHook.dll
0x7e410000  0x91000   USER32.dll
0x77f10000  0x49000   GDI32.dll
0x00490000  0x4b0000  cygwin1.dll
0x77dd0000  0x9b000   ADVAPI32.dll
0x77e70000  0x93000   RPCRT4.dll
0x77fe0000  0x11000   Secur32.dll
0x68000000  0x36000   rsaenh.dll
0x77c10000  0x58000   msvcrt.dll
0x76bf0000  0xb000    PSAPI.DLL

Its a bit of a catch-22 situation and Im looking for suggestions how
to get a completely successful Install done.

Thanks for any inputs
Tony

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