Emacs 21.4a dumps core while exiting

Emacs 21.4a dumps core while exiting

[Larry Griffith]

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Dear Ladies and Gentlemen,

	When we recently upgraded from emacs 21.3 to emacs 21.4a on
our Solaris 9 machines, we found that emacs would cause a coredump
when it exited.  Buffers were written correctly to files.  We tried
reverting to emacs 21.3, but now it does the same thing.  Even
clearing out all files installed by emacs and reinstalling does not
prevent this behavior.  The only change we can think of that might
cause this was an upgrade of gcc to version 4.0.1 prior to the emacs
upgrade.

	I have attached a transcript of our installation of 21.4
(including some commands at the end to correct a script error
installing our site customization and an "emacs -version" command to
show what happens.  The -version doesn't seem to matter; emacs dumps
core without it as well.)  I apologize for the length, but it includes
the complete installation procedure as well as "uname" and other
diagnostic information.

	Thank you in advance for any help you can provide.

						Larry Griffith


============================================================================
Larry Griffith                       Dept. of Computer & Info Science
larry@cs.wsc.ma.edu	             Westfield State College
(413) 572-5294                       Westfield, MA 01086 USA
PGP public key available at: http://cs.wsc.ma.edu/~larry/griffith_pgp.html
============================================================================



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Re: Emacs 21.4a dumps core while exiting

[Eli Zaretskii]

> Date: Fri, 09 Sep 2005 12:10:32 -0400
> From: Larry Griffith <larry@cs.wsc.ma.edu>
> Cc: larry@cs.wsc.ma.edu
> 
> 	When we recently upgraded from emacs 21.3 to emacs 21.4a on
> our Solaris 9 machines, we found that emacs would cause a coredump
> when it exited.  Buffers were written correctly to files.  We tried
> reverting to emacs 21.3, but now it does the same thing.  Even
> clearing out all files installed by emacs and reinstalling does not
> prevent this behavior.  The only change we can think of that might
> cause this was an upgrade of gcc to version 4.0.1 prior to the emacs
> upgrade.

Does it help to compile without optimizations (-O0)?

> 	I have attached a transcript of our installation of 21.4

You forgot the attachment.

Please make sure that the transcript include the debug session where
you run GDB or DBX on the core file and show the backtrace, so we know
where to look for the problem.

TIA

Re: Emacs 21.4a dumps core while exiting

[Richard M. Stallman]

      The only change we can think of that might
    cause this was an upgrade of gcc to version 4.0.1 prior to the emacs
    upgrade.

I suggest you build an older GCC, build Emacs with that, and see what
happens.