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Re: nearly all postinstall scripts segfaulting in 64bit Windows (XP + Vista)

On Thu, Nov 20, 2008 at 3:40 PM, Lonni J Friedman <> wrote:
> Greetings,
> I'm attempting to setup a build environment, which happens to require
> cygwin.  I ran into no problems getting this up with 32bit Windows XP,
> however for both WINXP64 and VISTA64, the cygwin installation blows up
> badly while running all of the postinstall scripts (in
> /etc/postinstall).  Nearly all of them are segfaulting.
> For example, if I attempt to run /etc/postinstall/ manually, it
> churns for a few seconds, and then dies with the following output:
> 11 [main] bash 1644 +_cygtls::handle_exceptions: Error while dumping
> state ( probably a corrupted stack)
> Segmentation fault (core dumped)
> The only potential oddity in this equation is that my Windows (both 32
> & 64bit) installations are inside of Xen (running on a Linux system).
> I'm at a complete loss on how to debug this at this point.  Any and
> all suggestions are gratefully accepted.

No suggestions?  Anyway, it also looks like I'm getting a stackdump
every dump this segfaults which includs the following:
Exception: STATUS_ACCESS_VIOLATION at eip=7D61C95D
eax=00000000 ebx=0022C4D8 ecx=00000000 edx=00000000 esi=FFFFFFFE edi=FFFFFFFF
ebp=0022C4A8 esp=0022C45C program=C:\cygwin\bin\bash.exe, pid 924, thread main
cs=0023 ds=002B es=002B fs=0053 gs=002B ss=002B
Stack trace:
Frame     Function  Args
0022C4A8  7D61C95D  (00000274, FFFFFFFE, 0022C4D8, 00000001)
61169E30  6101CDEB  (0000000F, 80100000, 00000274, 00000000)
6113F9B8  0000044F  (610FE560, 610FE530, 610FDB40, 6101E4A0)
610FE950  610FDB70  (90909090, 90909090, 90C3C031, 90909090)
     11 [main] bash 924 _cygtls::handle_exceptions: Error while
dumping state (probably corrupted stack)

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