GNU bug report logs - #61847
debug-early-backtrace only works some of the time.

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Message #56 received at 61847 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Alan Mackenzie <acm <at> muc.de>
Cc: monnier <at> iro.umontreal.ca, 61847 <at> debbugs.gnu.org
Subject: Re: bug#61847: debug-early-backtrace only works some of the time.
Date: Wed, 01 Mar 2023 19:04:32 +0200

> Date: Wed, 1 Mar 2023 16:46:52 +0000
> Cc: monnier <at> iro.umontreal.ca, 61847 <at> debbugs.gnu.org
> From: Alan Mackenzie <acm <at> muc.de>
> 
> > Some fancy Lisp facilities are already available anyway.  And I see no
> > reason for this requirement in this case.
> 
> In a situation where Emacs does not bootstrap, instead crashing during
> the loading or compiling of the Lisp files, we need a debugging tool
> which isn't dependent upon those Lisp files.  That is what debug-early.el
> is intended to be.

You are saying that only Lisp code can crash and make debugging
harder?  Have you never seen crashes inside prin1?

Any code that prints arbitrary objects can crash.  That fact is not a
useful argument for or against a particular alternative for such
printing.

Anyway, I don't see any point in continuing this argument.  It is
clear that we disagree here, and the nature of the disagreement is
also very clear.

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