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From: "Stephen J. Turnbull" <stephen AT xemacs DOT org>
To: Vin Shelton <acs AT xemacs DOT org>
Cc: cygwin AT cygwin DOT com, Andy Koppe <andy DOT koppe AT gmail DOT com>,
   XEmacs developers <xemacs-beta AT xemacs DOT org>
Subject: Re: Segfault under cygwin 1.7.62
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Date: Tue, 13 Oct 2009 05:20:52 +0900
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Vin Shelton writes:

 > The new behavior is different, but the problem is not yet fixed.

OK.  It's possible that there remain problems in Cygwin, but the
probability of an XEmacs bug is increasing.  New backtraces would be
useful, I think, unless Aidan has a guess offhand.

 > 4.  But when I try to run that XEmacs under gdb, I get different
 > results: gdb doesn't detect a segfault, and the test seems to run to
 > completion:

That could be a Cygwin or GCC problem then, I don't see why running
under GDB would prevent the crash.

 > Unexpected error (invalid-argument "Invalid (GNU Emacs) key format
 > (see doc of define-key)" C-f9) while executing byte-compiled code.

That could be memory corruption; I don't see where keystrokes would be
coming in.  Maybe Aidan knows.
 > Do I need some additional cygwin changes other than the dll?  Corinna
 > - I noticed that you changed the "DEFAULT_LOCALE" in
 > include/cygwin/config.h (DEFAULT_LOCALE) to  "C.UTF-8". Do I need to
 > import that change into my compile-time environment somehow?  Or is
 > there an environment variable that needs to be set to alter runtime
 > behavior?

That should not affect XEmacs behavior.  If changing the locale
variables makes a difference, then it's in Cygwin, I think.


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