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Article #704

repeatable illegal instruction bug in emacs 18.57

#704
From: Francesco Potorti`
Date: Mon, 17 Aug 1992 14:55
24 lines
1393 bytes
   I defined a function to speed up setting the debug-on-error flag:

   (defun debug ()
     (interactive)
     (setq debug-on-error t))

   Unfortunately, it appears that 'debug' is already defined in debug.el:

   (defun debug (&rest debugger-args)
      ...

   When I type M-x debug, then cause an error (by typing "M-< C-b", for
   example) emacs hangs for a while, then dumps core.  I'd normally expect
   this to stop after a short time, saying "Lisp nesting exceeds
   max-lisp-eval-depth", but it doesn't in this case.

The same happens on a Motorola Delta running emacs 18.58.
The emacs process begins to slowly eat up memory until it dumps core.
The whole story is very slow: every ~1 min. the process size increases by
approx. 800Kbytes.

		    Francesco Potorti`	| pot@cnuce.cnr.IT (Internet)
				 	| 39369::pot       (DECnet)
					| (39)(50)593203   (voice)
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Newsgroups: gnu.emacs.bug
Path: arc1-ca.pugleaf.net!sparky!uunet!cis.ohio-state.edu!fly.cnuce.cnr.it!pot
From: pot@fly.cnuce.cnr.it (Francesco Potorti`)
Subject: repeatable illegal instruction bug in emacs 18.57
Message-ID: <m0mK5gd-0001EJC@fly.cnuce.cnr.IT>
Sender: gnulists@ai.mit.edu
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Organization: GNUs Not Usenet
References: <9207310826.AA00253@sun19.src.bae.co.uk>
Distribution: gnu
Date: Mon, 17 Aug 1992 14:55:00 GMT
Approved: bug-gnu-emacs@prep.ai.mit.edu
Lines: 25