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From: martin rudalics <rudalics@gmx.at>
To: Michael Welsh Duggan <mwd@cert.org>
Cc: "mwd@md5i.com" <mwd@md5i.com>,
	"schwab@linux-m68k.org" <schwab@linux-m68k.org>,
	"47244@debbugs.gnu.org" <47244@debbugs.gnu.org>
Subject: bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs
Date: Thu, 1 Apr 2021 09:14:06 +0200	[thread overview]
Message-ID: <1f74fdb1-0171-3560-8771-32490323d8be@gmx.at> (raw)
In-Reply-To: <y2tdeflfa3p1wt.fsf@lx-birch.ad.sei.cmu.edu>

 >>> Does it start with emacs -Q?
 >>
 >> Nope.  It fails.

Strange.  I have no problems running the changeset with ...

GNU Emacs 28.0.50 (build 1, x86_64-pc-linux-gnu, X toolkit, cairo version 1.16.0, Xaw3d scroll bars)
  of 2021-04-01 built on restno
Repository revision: b4a125e5ad1de3eb770dff12017f1e0658c4c6a2
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12004000
System Description: Debian GNU/Linux 10 (buster)

Configured using:
  'configure --with-gif=ifavailable --with-tiff=ifavailable
  --with-gnutls=no --without-pop --enable-gcc-warnings=warn-only
  --with-x-toolkit=lucid --enable-checking=yes
  --enable-check-lisp-object-type=yes 'CFLAGS=-O0 -g3 -no-pie''

Configured features:
CAIRO DBUS FREETYPE GIF GLIB GSETTINGS HARFBUZZ JPEG LIBSELINUX MODULES
NOTIFY INOTIFY PDUMPER PNG SOUND THREADS TOOLKIT_SCROLL_BARS X11 XAW3D
XDBE XIM XPM LUCID ZLIB

... which is almost yours but for a few missing features.

 > Also verified that using with the previous changeset with
 > --enable-checking=yes still works.

Which of the two additions is responsible?  Try to remove or comment out
either the two lines in buffer.c

   if (!b->base_buffer)
     eassert (b->window_count == 0);

or all four lines containing replace_buffer_in_windows_safely_count in
window.c, as there are

static int replace_buffer_in_windows_safely_count;

		replace_buffer_in_windows_safely_count += 1;

   replace_buffer_in_windows_safely_count = 0;

   eassert (count == replace_buffer_in_windows_safely_count);

Otherwise I'm clueless.  Maybe Eli has an idea.

martin





  reply	other threads:[~2021-04-01  7:14 UTC|newest]

Thread overview: 160+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-18 15:39 bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs Michael Welsh Duggan
2021-03-18 15:42 ` Michael Welsh Duggan
2021-03-18 15:49   ` Michael Welsh Duggan
2021-03-18 16:02     ` Andreas Schwab
2021-03-18 16:02   ` Eli Zaretskii
2021-03-18 16:27     ` Michael Welsh Duggan
2021-03-18 16:45       ` Eli Zaretskii
2021-03-18 16:54         ` Michael Welsh Duggan
2021-03-18 18:41           ` Eli Zaretskii
2021-03-18 18:54             ` Michael Welsh Duggan
2021-03-18 19:16               ` Eli Zaretskii
2021-03-18 19:24                 ` Michael Welsh Duggan
2021-03-18 19:51                   ` Eli Zaretskii
2021-03-18 20:13                     ` Andreas Schwab
2021-03-18 20:27                       ` Eli Zaretskii
2021-03-19  1:50                         ` Michael Welsh Duggan
2021-03-19  6:47                           ` Eli Zaretskii
2021-03-19 13:37                             ` Michael Welsh Duggan
2021-03-19 13:41                               ` Michael Welsh Duggan
2021-03-19 13:51                                 ` Eli Zaretskii
2021-03-19 13:49                               ` Eli Zaretskii
2021-03-19 14:18                                 ` Michael Welsh Duggan
2021-03-19 14:21                                   ` Michael Welsh Duggan
2021-03-19 15:00                                     ` Eli Zaretskii
2021-03-19 15:14                                       ` Michael Welsh Duggan
2021-03-23 14:18                                       ` Michael Welsh Duggan
2021-03-23 15:02                                         ` Eli Zaretskii
2021-03-23 15:08                                           ` Michael Welsh Duggan
2021-03-23 16:42                                             ` Eli Zaretskii
2021-03-23 15:23                                         ` martin rudalics
2021-03-23 15:53                                           ` Michael Welsh Duggan
2021-03-23 16:45                                             ` Eli Zaretskii
2021-03-24  6:53                                             ` martin rudalics
2021-03-24 14:14                                               ` Michael Welsh Duggan
2021-03-24 16:09                                                 ` martin rudalics
2021-03-25  2:19                                                   ` Michael Welsh Duggan
2021-03-25  6:25                                                     ` Eli Zaretskii
2021-03-29 14:06                                                       ` Michael Welsh Duggan
2021-03-29 14:28                                                         ` Eli Zaretskii
2021-03-29 14:39                                                           ` Michael Welsh Duggan
2021-03-29 15:02                                                             ` Eli Zaretskii
2021-03-29 15:07                                                               ` Eli Zaretskii
2021-03-29 15:21                                                                 ` Michael Welsh Duggan
2021-03-29 15:26                                                                   ` Michael Welsh Duggan
2021-03-29 15:27                                                                   ` Eli Zaretskii
2021-03-29 15:33                                                                     ` Michael Welsh Duggan
2021-03-29 15:34                                                                       ` Michael Welsh Duggan
2021-03-29 15:41                                                                       ` Eli Zaretskii
2021-03-29 16:23                                                                         ` Michael Welsh Duggan
2021-03-29 15:21                                                                 ` Eli Zaretskii
2021-03-29 16:05                                                                   ` martin rudalics
2021-03-29 16:26                                                                     ` Michael Welsh Duggan
2021-03-29 17:33                                                                       ` martin rudalics
2021-03-29 19:12                                                                         ` Michael Welsh Duggan
2021-03-30  7:30                                                                           ` martin rudalics
2021-03-30 13:39                                                                             ` Michael Welsh Duggan
2021-03-30 14:36                                                                               ` martin rudalics
2021-03-30 14:51                                                                                 ` Michael Welsh Duggan
2021-03-30 15:05                                                                                   ` martin rudalics
2021-03-30 14:13                                                                             ` Michael Welsh Duggan
2021-03-30 14:36                                                                               ` martin rudalics
2021-03-30 14:48                                                                                 ` Eli Zaretskii
2021-03-30 15:05                                                                                   ` martin rudalics
2021-03-30 15:13                                                                                     ` Eli Zaretskii
2021-03-30 16:52                                                                                       ` martin rudalics
2021-03-30 17:05                                                                                         ` Eli Zaretskii
2021-03-31  6:41                                                                                           ` martin rudalics
2021-03-31  7:09                                                                                             ` Eli Zaretskii
2021-03-30 15:03                                                                                 ` Michael Welsh Duggan
2021-03-30 16:52                                                                                   ` martin rudalics
2021-03-31 13:23                                                                                 ` Michael Welsh Duggan
2021-03-31 13:53                                                                                   ` Michael Welsh Duggan
2021-03-31 14:01                                                                                     ` Eli Zaretskii
2021-03-31 14:32                                                                                       ` martin rudalics
2021-03-31 14:48                                                                                         ` Michael Welsh Duggan
2021-03-31 15:49                                                                                           ` martin rudalics
2021-03-31 17:01                                                                                             ` Michael Welsh Duggan
2021-03-31 18:41                                                                                               ` martin rudalics
2021-03-31 19:14                                                                                                 ` Michael Welsh Duggan
2021-03-31 19:18                                                                                                   ` Michael Welsh Duggan
2021-04-01  7:14                                                                                                     ` martin rudalics [this message]
2021-04-01  7:45                                                                                                       ` Eli Zaretskii
2021-04-01 13:20                                                                                                         ` Michael Welsh Duggan
2021-04-01 13:22                                                                                                           ` Eli Zaretskii
2021-04-01 13:54                                                                                             ` Michael Welsh Duggan
2021-04-01 14:56                                                                                               ` martin rudalics
2021-04-01 18:30                                                                                                 ` Michael Welsh Duggan
2021-04-01 19:31                                                                                                   ` Michael Welsh Duggan
2021-04-02  6:48                                                                                                   ` martin rudalics
2021-04-05 18:15                                                                                                     ` Michael Welsh Duggan
2021-04-05 18:45                                                                                                       ` martin rudalics
2021-04-05 19:57                                                                                                         ` Michael Welsh Duggan
2021-04-05 20:39                                                                                                           ` martin rudalics
2021-04-05 20:56                                                                                                             ` Michael Welsh Duggan
2021-04-06  8:10                                                                                                               ` martin rudalics
2021-04-06 14:40                                                                                                                 ` Michael Welsh Duggan
2021-04-06 16:12                                                                                                                   ` martin rudalics
2021-04-06 16:48                                                                                                                     ` Michael Welsh Duggan
2021-04-06 17:00                                                                                                                       ` martin rudalics
2021-04-06 17:24                                                                                                                         ` Michael Welsh Duggan
2021-04-07  2:22                                                                                                                           ` Michael Welsh Duggan
2021-04-07  7:52                                                                                                                             ` Andreas Schwab
2021-04-07  9:00                                                                                                                             ` martin rudalics
2021-04-07 12:42                                                                                                                               ` Michael Welsh Duggan
2021-04-07 13:35                                                                                                                                 ` martin rudalics
2021-04-07 15:29                                                                                                                                   ` Michael Welsh Duggan
2021-04-07 16:16                                                                                                                                     ` martin rudalics
2021-04-07 17:37                                                                                                                                       ` Michael Welsh Duggan
2021-04-07 17:55                                                                                                                                         ` Michael Welsh Duggan
2021-04-07 18:31                                                                                                                                         ` Michael Welsh Duggan
2021-04-07 19:25                                                                                                                                           ` Michael Welsh Duggan
2021-04-07 20:25                                                                                                                                             ` martin rudalics
2021-04-07 20:32                                                                                                                                               ` Michael Welsh Duggan
2021-04-08  6:59                                                                                                                                                 ` martin rudalics
2021-04-08 10:47                                                                                                                                                   ` Gregory Heytings
2021-04-08 11:39                                                                                                                                                     ` Eli Zaretskii
2021-04-08 12:06                                                                                                                                                       ` Andreas Schwab
2021-04-08 12:29                                                                                                                                                         ` Eli Zaretskii
2021-04-08 12:43                                                                                                                                                           ` Gregory Heytings
2021-04-08 12:59                                                                                                                                                             ` Eli Zaretskii
2021-04-08 16:20                                                                                                                                                               ` Gregory Heytings
2021-04-08 12:03                                                                                                                                                     ` martin rudalics
2021-04-08 12:24                                                                                                                                                       ` Gregory Heytings
2021-04-08 13:39                                                                                                                                                         ` Michael Welsh Duggan
2021-04-08 14:35                                                                                                                                                   ` Michael Welsh Duggan
2021-04-08 15:08                                                                                                                                                     ` Eli Zaretskii
2021-04-08 15:24                                                                                                                                                       ` Andreas Schwab
2021-04-08 15:21                                                                                                                                                     ` Michael Welsh Duggan
2021-04-08 15:33                                                                                                                                                       ` Michael Welsh Duggan
2021-04-08 15:48                                                                                                                                                       ` martin rudalics
2021-04-08 16:01                                                                                                                                                         ` Michael Welsh Duggan
2021-04-08 16:14                                                                                                                                                           ` martin rudalics
2021-04-08 16:35                                                                                                                                                           ` Eli Zaretskii
2021-04-08 16:42                                                                                                                                                             ` Michael Welsh Duggan
2021-04-08 15:58                                                                                                                                                       ` Eli Zaretskii
2021-04-08 16:05                                                                                                                                                         ` Michael Welsh Duggan
2021-04-08 16:28                                                                                                                                                           ` Eli Zaretskii
2021-04-08 16:37                                                                                                                                                             ` Michael Welsh Duggan
2021-04-08 16:49                                                                                                                                                               ` Eli Zaretskii
2021-04-08 17:15                                                                                                                                                                 ` Michael Welsh Duggan
2021-04-08 17:11                                                                                                                                                         ` Michael Welsh Duggan
2021-04-08 17:46                                                                                                                                                           ` Eli Zaretskii
2021-04-08 17:51                                                                                                                                                             ` Michael Welsh Duggan
2021-04-08 18:52                                                                                                                                                           ` martin rudalics
2021-04-09 20:59                                                                                                                                                             ` Michael Welsh Duggan
2021-04-10  7:15                                                                                                                                                               ` martin rudalics
2021-04-10 14:53                                                                                                                                                                 ` Michael Welsh Duggan
2021-04-10 18:57                                                                                                                                                                   ` martin rudalics
2021-04-17  8:01                                                                                                                                                                     ` martin rudalics
2021-04-20 14:03                                                                                                                                                                       ` Michael Welsh Duggan
2021-04-07 19:40                                                                                                                                           ` Eli Zaretskii
2021-04-07 18:48                                                                                                                                         ` martin rudalics
2021-04-07 18:53                                                                                                                                           ` Michael Welsh Duggan
2021-04-07 20:25                                                                                                                                             ` martin rudalics
2021-04-07  9:00                                                                                                                           ` martin rudalics
2021-03-19  8:15                         ` martin rudalics
2021-03-19  8:19                           ` Eli Zaretskii
2021-03-19  9:18                             ` martin rudalics
2021-03-19  9:37                               ` martin rudalics
2021-03-19 11:55                               ` Eli Zaretskii

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