GNU bug report logs - #56201
Backtrace fails to appear in an error situation.

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Message #11 received at 56201 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Alan Mackenzie <acm <at> muc.de>
Cc: 56201 <at> debbugs.gnu.org
Subject: Re: bug#56201: Backtrace fails to appear in an error situation.
Date: Fri, 24 Jun 2022 20:23:23 +0200

Alan Mackenzie <acm <at> muc.de> writes:

> This ought to produce a backtrace, but doesn't.  It merely repeats the
> error message "Text is read-only".  This is a major bug; how can one
> solve minor bugs if attempts to get diagnostic information are blocked?

There's a lot of error conditions that are "normal" and handled by the
code, and `debug-on-error' doesn't help you with that.  You have to set
`debug-on-signal' to get a backtrace from those.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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