From: Eli Zaretskii <eliz@gnu.org>
To: Ihor Radchenko <yantar92@posteo.net>
Cc: emacs-devel@gnu.org, gerd.moellmann@gmail.com, eller.helmut@gmail.com
Subject: Re: MPS: Crash when switching to buffer
Date: Mon, 01 Jul 2024 15:46:32 +0300 [thread overview]
Message-ID: <861q4dfffb.fsf@gnu.org> (raw)
In-Reply-To: <87h6d9ia3e.fsf@localhost> (message from Ihor Radchenko on Mon, 01 Jul 2024 12:13:25 +0000)
> From: Ihor Radchenko <yantar92@posteo.net>
> Cc: emacs-devel@gnu.org, gerd.moellmann@gmail.com, eller.helmut@gmail.com
> Date: Mon, 01 Jul 2024 12:13:25 +0000
>
> Eli Zaretskii <eliz@gnu.org> writes:
>
> > This is not a crash when switching buffers, this is a crash in
> > redisplay, when merging faces for display.
> >
> > What exactly is the cause of segfault in plist_get? Please look at
> > the data there in the debugger and see which one(s) are invalid or
> > corrupted. From the backtrace it sounds like the plist of the face is
> > botched, but that's a guess.
>
> May you please provide more detailed instructions?
Below.
> > Is this reproducible? I tried switching between two buffers and didn't
> > get any crashes here, FWIW.
>
> I've seen it multiple times after a few hours of using Emacs.
> So, it is not reproducible reliably, unfortunately.
> Next time, I will leave the gdb session running, so that I can check the
> state in more details if necessary.
Thanks. The commands below should be a starting point:
(gdb) fr 10
Make sure frame #10 is indeed in plist_get, and adjust the frame
number if not.
(gdb) p tail
(gdb) xtype
(gdb) p prop
(gdb) xtype
(gdb) xsymbol
Finally, for the brave:
(gdb) pp tail
next prev parent reply other threads:[~2024-07-01 12:46 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-01 9:26 MPS: Crash when switching to buffer Ihor Radchenko
2024-07-01 12:04 ` Eli Zaretskii
2024-07-01 12:13 ` Ihor Radchenko
2024-07-01 12:46 ` Eli Zaretskii [this message]
2024-07-01 14:14 ` Pip Cet
2024-07-01 14:42 ` Gerd Möllmann
2024-07-02 0:22 ` Pip Cet
2024-07-02 4:04 ` Gerd Möllmann
2024-07-02 11:40 ` Ihor Radchenko
2024-07-04 10:31 ` Ihor Radchenko
2024-07-04 11:48 ` Gerd Möllmann
2024-07-04 12:02 ` MPS: User GC customizations (was: MPS: Crash when switching to buffer) Ihor Radchenko
2024-07-04 12:51 ` MPS: User GC customizations Gerd Möllmann
2024-07-04 13:20 ` Ihor Radchenko
2024-07-04 14:45 ` Gerd Möllmann
2024-07-04 15:12 ` Pip Cet
2024-07-04 16:07 ` Gerd Möllmann
2024-07-04 16:38 ` Ihor Radchenko
2024-07-04 17:02 ` Gerd Möllmann
2024-07-04 17:53 ` Eli Zaretskii
2024-07-04 18:18 ` Gerd Möllmann
2024-07-04 18:28 ` Ihor Radchenko
2024-07-04 18:32 ` Pip Cet
2024-07-04 18:43 ` Gerd Möllmann
2024-07-04 18:39 ` Eli Zaretskii
2024-07-04 18:48 ` Ihor Radchenko
2024-07-04 13:58 ` Eli Zaretskii
2024-07-04 14:30 ` Gerd Möllmann
2024-07-04 15:43 ` Eli Zaretskii
2024-07-04 15:48 ` Eli Zaretskii
2024-07-04 15:52 ` Pip Cet
2024-07-04 16:04 ` Eli Zaretskii
2024-07-04 17:01 ` Gerd Möllmann
2024-07-04 18:03 ` Eli Zaretskii
2024-07-04 18:28 ` Gerd Möllmann
2024-07-04 18:43 ` Eli Zaretskii
2024-07-04 19:09 ` Gerd Möllmann
2024-07-04 19:12 ` Eli Zaretskii
2024-07-04 16:38 ` Pip Cet
2024-07-04 17:06 ` Gerd Möllmann
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