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From: Andy Moreton <andrewjmoreton@gmail.com>
To: 43700@debbugs.gnu.org
Subject: bug#43700: 28.0.50; Crash creating a second frame
Date: Thu, 01 Oct 2020 01:15:20 +0100	[thread overview]
Message-ID: <86a6x6g5t3.fsf@gmail.com> (raw)
In-Reply-To: <d6dd33a4-4196-6de4-dfe4-09b3add83e72@gmail.com>

On Wed 30 Sep 2020, Andy Moreton wrote:

> On Tue 29 Sep 2020, Andy Moreton wrote:
>
>> On 29/09/2020 15:37, Eli Zaretskii wrote:
>>>> From: Andy Moreton <andrewjmoreton@gmail.com>
>>>> Date: Tue, 29 Sep 2020 11:46:48 +0100
>>>>
>>>> After loading emacs (and files saved by desktop), do C-x 5 2 to create a
>>>> new frame. Emacs crashes, and gdb shows the following backtrace.
>>> Is this repeatable?  Does it happen with "emacs -Q", per chance?  Or
>>> with unoptimized builds?
>
> Building with -O0 from commit 5b0d8d0f288fd505ca90bd30df709a5e7ab540d6 I
> can reproduce the crash on another machine with the same setup:

I have not managed to repro this problem from emacs -Q, but after
further investigation I have narrowed it down to some interaction with
settings in my .emacs.d/init.el and org mode:

1) Run "emacs --no-desktop" (so using my init.el)
2) Load a trivial org file (e.g. containing "* foo", a single heading)
3) Type "C-x 5 2" to create a new frame (causing the crash)

The init.el file has:

    (tool-bar-mode 0))
    ;; ...much omitted...

    (use-package org
    :bind
    (:map org-mode-map
          ([remap org-toggle-archive-tag]         . ignore)
          ([remap org-archive-subtree]            . ignore)
          ([remap org-archive-subtree-default]    . ignore)
          ([remap org-archive-to-archive-sibling] . ignore))
     ...

If I comment out the remap bindings, emacs does not crash in the recipe above,
and also does not crash if I use this instead:

    (use-package org
    :bind
    (:map org-mode-map
          ("C-c C-x a"     . nil)  ;; was org-toggle-archive-tag
          ("C-c $"         . nil)  ;; was org-archive-subtree
          ("C-c C-x C-a"   . nil)  ;; was org-archive-subtree-default
          ("C-c C-x A"     . nil)) ;; was org-archive-to-archive-sibling
     ...

I have an effective workaround now, but nevertheless emacs should not
crash: the key binding commands should reject invalid configuration.

The use-package binding internals invoke define-key, and that macro
should reject invalid settings.

    AndyM






  reply	other threads:[~2020-10-01  0:15 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-29 10:46 bug#43700: 28.0.50; Crash creating a second frame Andy Moreton
2020-09-29 14:37 ` Eli Zaretskii
2020-09-29 14:49   ` Andy Moreton
2020-09-30 20:06     ` Andy Moreton
2020-10-01  0:15       ` Andy Moreton [this message]
2020-10-01 12:53       ` Eli Zaretskii
2020-10-02  0:38         ` Andy Moreton
2020-10-02 11:49           ` Eli Zaretskii
2020-10-02 23:07             ` Andy Moreton
2020-10-03  8:16               ` Eli Zaretskii
2020-10-03 12:26                 ` Andy Moreton
2020-10-03 12:45                   ` Eli Zaretskii
2020-10-03 13:40                     ` Andy Moreton
2020-10-03 14:02                       ` Eli Zaretskii
2020-10-03 14:05                     ` Andy Moreton
2020-10-03 14:32                       ` Eli Zaretskii
2020-10-03 17:03                         ` Andy Moreton
2020-10-03 17:18                           ` Eli Zaretskii
2020-10-03 17:21                           ` Lars Ingebrigtsen
2020-10-03 17:54                             ` Eli Zaretskii
2020-10-03 17:56                               ` Lars Ingebrigtsen
2020-10-03 18:00                                 ` Eli Zaretskii
2020-10-03 18:21                               ` Andy Moreton
2020-10-03 18:29                                 ` Eli Zaretskii
2020-10-03 17:51                           ` Eli Zaretskii

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