From: Michael Welsh Duggan <mwd@cert.org>
To: martin rudalics <rudalics@gmx.at>
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: Mon, 29 Mar 2021 12:26:47 -0400 [thread overview]
Message-ID: <y2tdefk0pqvsc8.fsf@lx-birch.ad.sei.cmu.edu> (raw)
In-Reply-To: <2d0dbdc8-3678-cd21-234a-9c63bb004629@gmx.at> (martin rudalics's message of "Mon, 29 Mar 2021 12:05:35 -0400")
martin rudalics <rudalics@gmx.at> writes:
> > Martin, could it be that replace-buffer-in-windows fails to replace a
> > buffer? Suppose kill-buffer is called to kill a buffer that is shown
> > in the selected window, but replace-buffer-in-windows fails to replace
> > it -- can that happen?
>
> That's what we tried earlier with the check in `switch-to-prev-buffer'.
> Michael did you run with that check this time or did you remove it? If
> the latter, please reinsert it for the next time. But let's recall that
> at the time of the last segfault that particular check did not trigger.
I had removed it, sorry. I'll put it in for the next time.
> > And another question: can a window be selected if its buffer is dead?
> > Or is it possible to set a dead buffer as a window's buffer?
>
> From what we can say now one of these must have happened. The dead
> buffer comes from the selected window. It does not come from the
> attempt to restore the current buffer from a temporarily saved one.
>
> One thing I'm not even sure about is whether the selected window is
> still "live" when were trying to make its buffer current. Michael is
> this "window" supposed to be the only one on its frame? Are we sure
> that it is not the minibuffer window? In either case we could try to
> investigate its parent and geometry: What do
I think so. Both the *Server* window and the *Group* window will, under
normal circumstances, be the only window on the frame.
> p XWINDOW (selected_window)->parent
> p XWINDOW (selected_window)->prev
> p XWINDOW (selected_window)->next
> p XWINDOW (selected_window)->top_line
> p XWINDOW (selected_window)->pixel_height
>
> print?
(gdb) p XWINDOW (selected_window)->parent
$15 = XIL(0)
(gdb) p XWINDOW (selected_window)->prev
$16 = XIL(0)
(gdb) p XWINDOW (selected_window)->next
$17 = XIL(0x555556e96635)
(gdb) p XWINDOW (selected_window)->top_line
$18 = 0
(gdb) p XWINDOW (selected_window)->pixel_height
$19 = 995
--
Michael Welsh Duggan
(mwd@cert.org)
next prev parent reply other threads:[~2021-03-29 16:26 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 [this message]
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
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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