Hi I'm having this same problem on Windows Server 2003 R2 Standard x64 Edition. In case it helps, here is the output from my system (run from a Cygwin bash shell). This is a fresh installation of Windows with all updates applied.
Michael $ bash -x /etc/postinstall/00bash.sh.done + result=0 ++ sed 's|/c/\(.\):/|/\1/|' +++ cygpath -am /dev/ ++ cygpath -au C:/C:/cygwin/dev + DEVDIR=/cygdrive/C/cygwin/dev + mkdir -p /cygdrive/C/cygwin/dev + /bin/test -e /dev/stdin + /bin/test -e /dev/stdout + /bin/test -e /dev/stderr + /bin/test -e /dev/fd + . /etc/profile.d/00bash.sh postinstall ++ /bin/test /bin/sh.exe -ot /bin/bash.exe ++ return 0 + exit 0 1 [main] bash 1732 _cygtls::handle_exceptions: Error while dumping state (probably corrupted stack) Segmentation fault (core dumped) $ cat bash.exe.stackdump Exception: STATUS_ACCESS_VIOLATION at eip=7D61CBB5 eax=00000000 ebx=61109370 ecx=00000000 edx=00000000 esi=7D61CBA3 edi=61102EDC ebp=0022C9A8 esp=0022C994 program=C:\cygwin\bin\bash.exe, pid 1732, thread main cs=0023 ds=002B es=002B fs=0053 gs=002B ss=002B Stack trace: Frame Function Args 0022C9A8 7D61CBB5 (003F0000, 00000000, 0022C9C8, 61073D8C) 0022C9B8 61073A45 (61109370, 00000001, 0022C9F8, 610F7D93) 0022C9C8 61073D8C (0040F140, 0000001B, FFFFFFFF, 00C66818) 0022C9F8 610F7D93 (00000000, 00000000, 00000001, 610100F9) 0022CA18 610E1518 (00000000, 00000000, 0022CA38, 61093588) 0022CA28 61004DD1 (00000000, 00000000, 0022CA48, 004010A9) 0022CA38 61093588 (00000000, 00000003, 0022CCE8, 00402BBD) 0022CA48 004010A9 (00000000, 00000001, 00000001, 00000000) 0022CCE8 00402BBD (00000003, 6116BCF0, 00C60090, 00000000) 0022CD98 610060D8 (00000000, 0022CDD0, 61005450, 0022CDD0) 61005450 61004416 (0000009C, A02404C7, E8611021, FFFFFF48) 1 [main] bash 1732 _cygtls::handle_exceptions: Error while dumping state (probably corrupted stack) -- http://michael.gorven.za.net PGP Key ID 6612FE85 S/MIME Key ID D33AEB31
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