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bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs
From: |
Eli Zaretskii |
Subject: |
bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs |
Date: |
Fri, 19 Mar 2021 08:47:39 +0200 |
> From: Michael Welsh Duggan <mwd@md5i.com>
> Cc: Andreas Schwab <schwab@linux-m68k.org>, mwd@cert.org, mwd@md5i.com,
> 47244@debbugs.gnu.org
> Date: Thu, 18 Mar 2021 21:50:28 -0400
>
> >> Perhaps during run_window_change_functions.
> >
> > Something like that, yes. But I don't understand how that can happen
> > technically: kill-buffer selects another buffer when killing the
> > current one. So how was that buffer killed, and yet stayed current?
>
> Hmm... Is there a set of printfs we could add that would provide useful
> information for the next time I trigger the crash?
I'm open to ideas. The problem is, killing buffers is so common in
Emacs (including the temporary buffers you never even suspect are
being used under the hood) that if you put a breakpoint there, even
with some sophisticated condition that I don't yet know how to
formulate, I'm afraid that will slow down Emacs so much you will be
unable to work.
But maybe my fears are exaggerated. If you set a breakpoint on
Fkill_buffer with commands that say just
silent
continue
end
does Emacs run reasonably fast for you to be able to work in such a
session?
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, (continued)
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Eli Zaretskii, 2021/03/18
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/03/18
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Eli Zaretskii, 2021/03/18
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/03/18
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Eli Zaretskii, 2021/03/18
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/03/18
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Eli Zaretskii, 2021/03/18
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Andreas Schwab, 2021/03/18
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Eli Zaretskii, 2021/03/18
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/03/18
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs,
Eli Zaretskii <=
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/03/19
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/03/19
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Eli Zaretskii, 2021/03/19
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Eli Zaretskii, 2021/03/19
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/03/19
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/03/19
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Eli Zaretskii, 2021/03/19
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/03/19
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/03/23
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Eli Zaretskii, 2021/03/23