From: Michael Welsh Duggan <mwd@cert.org>
To: martin rudalics <rudalics@gmx.at>
Cc: Michael Welsh Duggan <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: Mon, 05 Apr 2021 16:56:23 -0400 [thread overview]
Message-ID: <y2tdefeefo78nc.fsf@lx-birch.ad.sei.cmu.edu> (raw)
In-Reply-To: <4ad20b14-f4a5-07c0-3f86-698d0934d5af@gmx.at> (martin rudalics's message of "Mon, 5 Apr 2021 16:39:34 -0400")
martin rudalics <rudalics@gmx.at> writes:
>> Surprisingly, no. Three frames were checked. The only buffers in
>> windows involved in the entire process were:
>>
>> "build.ninja" - I had that file in another frame
>> " *Minibuf-0*" - Looks like this was in the same frame as build.ninja?
>> "*Server*" - This was the window whose buffer is being deleted
>
> But *Server* _is_ the buffer that shall be killed IIUC - the obj passed
> to window_loop. I nowhere see that you tried
>
> p XBUFFER (w->contents)->name_
>
> below. Basically when you encounter the
>
> if (EQ (w->contents, obj))
>
> eventually w->contents should be that buffer. And apparently
> w->contents never is that buffer. Can you check again?
Actually, what I did is use xbuffer, which as part of it outputs the
name_. For example:
(gdb) p w->contents
$53 = XIL(0x5555578be555)
(gdb) xbuffer
$54 = (struct buffer *) 0x5555578be550
0x555557241db0 "build.ninja"
In this case the name_ field is "build.ninja". The definition of
xbuffer is:
define xbuffer
xgetptr $
print (struct buffer *) $ptr
xgetptr $->name_
output $ptr ? (char *) ((struct Lisp_String *) $ptr)->u.s.data : "DEAD"
echo \n
end
document xbuffer
Set $ as a buffer pointer and the name of the buffer.
This command assumes $ is an Emacs Lisp buffer value.
end
When window_list_1() gets called with the window that has "*Server*" as
the buffer, window_list() (as called on line 2866) does not return a
list that contains that window. I do not know how Vwindow_list (which
is what is returned by window_list() gets updated.
--
Michael Welsh Duggan
(mwd@cert.org)
next prev parent reply other threads:[~2021-04-05 20:56 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
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 [this message]
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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