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Re: 23.0.60; Seg fault in xfaces.c at line 6703 (Emacs.app on GNUstep)

From: Chris Hall
Subject: Re: 23.0.60; Seg fault in xfaces.c at line 6703 (Emacs.app on GNUstep)
Date: Sun, 03 Feb 2008 21:28:58 -1000
User-agent: GNUMail (Version 1.2.0)

As I said in *1, I could reproduce a similar backtrace by deliberately
defining CANNOT_DUMP.  I suspect this is a generic problem for
CANNOT_DUMP platforms after the multi-tty merger.

*1 http://lists.gnu.org/archive/html/emacs-devel/2008-01/msg02051.html

Thank you for following up on this, I truly appreciate it, but that is, I believe, the separate (and earlier) thread concerning the 'Vprocess_environment is not properly initialized on CANNOT_DUMP platforms' issue.

In this one they were explaining to me that the seg fault by attempting to reference a field in an uninitialized face_cache struct -- the initialized version of which is quite clearly a necessary prerequisite to realizing a face in the first place -- is not considered to be caused by a bug in Emacs 23.0.60 and that seg fault _should_ occur in this case.

IOW, a bug in Emacs.app seems to have left the face_cache struct uninitialized.

Perhaps a somewhat similar, 'face realization' issue in the Carbon version as well ( see http://lists.gnu.org/archive/html/bug-gnu-emacs/2008-02/msg00021.html ).

And apparently this has started happening to both versions since the unicode merge?

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