From: Alex <agrambot@gmail.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: 28710@debbugs.gnu.org
Subject: bug#28710: 27.0.50; eassert failure in maybe_produce_line_number
Date: Sun, 08 Oct 2017 13:05:45 -0600 [thread overview]
Message-ID: <871smd1muu.fsf@gmail.com> (raw)
In-Reply-To: <837ew6t214.fsf@gnu.org> (Eli Zaretskii's message of "Sun, 08 Oct 2017 12:35:51 +0300")
Eli Zaretskii <eliz@gnu.org> writes:
> The only difference is the value of cursor_vpos (probably because you
> hit RET on a different line or generally used a different commit?).
Yeah, I'm using a different commit, sorry.
> Then please tell: (a) what was the return value of try_window, as
> printed in response to the 3rd "finish" command, and (b) whether the
> breakpoint set on line 17039 of xdisp.c triggers right after that. If
> the breakpoint does trigger, please see if the value of the enabled_p
> flag is printed as true or false.
The return value appears to be true. The breakpoint does trigger right
after, and enabled_p is also true:
Thread 1 "emacs" hit Hardware watchpoint 4: -location $1->desired_matrix->rows->enabled_p
Old value = false
New value = true
prepare_desired_row (w=0x1695d60 <bss_sbrk_buffer+8894272>, row=0x4182860,
mode_line_p=true) at dispnew.c:1076
1076 row->reversed_p = rp;
(gdb) c
Continuing.
Thread 1 "emacs" hit Hardware watchpoint 4: -location $1->desired_matrix->rows->enabled_p
Old value = true
New value = false
clear_glyph_matrix_rows (matrix=0x3f524f0, start=0, end=37) at dispnew.c:693
693 for (; start < end; ++start)
(gdb) c
Continuing.
Thread 1 "emacs" hit Hardware watchpoint 4: -location $1->desired_matrix->rows->enabled_p
Old value = false
New value = true
prepare_desired_row (w=0x1695d60 <bss_sbrk_buffer+8894272>, row=0x4182860,
mode_line_p=false) at dispnew.c:1076
1076 row->reversed_p = rp;
(gdb) break xdisp.c:17039
Breakpoint 5 at 0x474844: file xdisp.c, line 17039.
(gdb) commands
Type commands for breakpoint(s) 5, one per line.
End with a line saying just "end".
>p w->desired_matrix->rows->enabled_p
>end
(gdb) finish
Run till exit from #0 prepare_desired_row (
w=0x1695d60 <bss_sbrk_buffer+8894272>, row=0x4182860, mode_line_p=false)
at dispnew.c:1076
display_line (it=0x7ffefb255dc0, cursor_vpos=25) at xdisp.c:21208
warning: Source file is more recent than executable.
21208 row->y = it->current_y;
(gdb) finish
Run till exit from #0 display_line (it=0x7ffefb255dc0, cursor_vpos=25)
at xdisp.c:21208
0x0000000000477380 in try_window (window=XIL(0x1695d65), pos=..., flags=1)
at xdisp.c:17592
17592 if (display_line (&it, cursor_vpos))
Value returned is $2 = true
(gdb) finish
Run till exit from #0 0x0000000000477380 in try_window (
window=XIL(0x1695d65), pos=..., flags=1) at xdisp.c:17592
0x0000000000474866 in redisplay_window (window=XIL(0x1695d65),
just_this_one_p=false) at xdisp.c:17039
17039 if (try_window (window, startp, TRY_WINDOW_CHECK_MARGINS) < 0)
Value returned is $3 = 1
(gdb) continue
Continuing.
Thread 1 "emacs" hit Breakpoint 5, redisplay_window (window=XIL(0x1695d65), just_this_one_p=false) at xdisp.c:17039
17039 if (try_window (window, startp, TRY_WINDOW_CHECK_MARGINS) < 0)
$4 = true
(gdb) p w->desired_matrix->rows->enabled_p
$5 = true
> Here are some reasons why my configuration could work differently:
>
> . the default font/font size is different (although I did try 3
> non-default font sizes as well)
> . my Magit is not installed and is not byte-compiled, and neither
> are its dependencies, dash.el and with-editor.el; instead, I load
> Magit manually, using load-library, from the directory where I
> downloaded the latest Magit snapshot, before typing the recipe
> commands
I tried it with a different font(size), without byte-compilation, and
with a magit git snapshot -- all still crashed for me. Have you tried
using MELPA[1] to install magit? Maybe that would work.
Footnotes:
[1] https://magit.vc/manual/magit/Installing-from-an-Elpa-Archive.html#Installing-from-an-Elpa-Archive
next prev parent reply other threads:[~2017-10-08 19:05 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-04 22:31 bug#28710: 27.0.50; eassert failure in maybe_produce_line_number Alex
2017-10-05 8:30 ` Eli Zaretskii
2017-10-05 23:51 ` Alex
2017-10-06 8:38 ` Eli Zaretskii
2017-10-07 23:05 ` Alex
2017-10-08 6:29 ` Eli Zaretskii
2017-10-08 7:11 ` Alex
2017-10-08 9:35 ` Eli Zaretskii
2017-10-08 10:09 ` Eli Zaretskii
2017-10-09 13:03 ` Eli Zaretskii
2017-10-08 19:05 ` Alex [this message]
2017-10-08 19:50 ` Eli Zaretskii
2017-10-08 21:19 ` Alex
2017-10-09 12:40 ` Eli Zaretskii
2017-10-09 17:56 ` Alex
2017-10-09 18:51 ` Eli Zaretskii
2017-10-09 19:36 ` Alex
2017-10-10 6:21 ` Eli Zaretskii
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=871smd1muu.fsf@gmail.com \
--to=agrambot@gmail.com \
--cc=28710@debbugs.gnu.org \
--cc=eliz@gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this external index
https://git.savannah.gnu.org/cgit/emacs.git
https://git.savannah.gnu.org/cgit/emacs/org-mode.git
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.