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bug#20808: 24.5; Emacs looping with 100% CPU at line 15287 (?) of xdisp.
From: |
Eli Zaretskii |
Subject: |
bug#20808: 24.5; Emacs looping with 100% CPU at line 15287 (?) of xdisp.c |
Date: |
Sun, 14 Jun 2015 22:46:18 +0300 |
> From: nljlistbox2@gmail.com (N. Jackson)
> Cc: 20808@debbugs.gnu.org
> Date: Sun, 14 Jun 2015 16:16:47 -0300
>
> Well, I don't know exactly what I was doing to trigger the problem. I
> suspect it happenned when I clicked a link in an email in Gnus, which
> opened a web page in Eww. (It may have been relevant that I then 1)
> scrolled in the Eww window and 2) that I hit `&' to open the web page in
> an external browser -- not necessarilly in that order.)
>
> It might be relevant that the web page contained quite a lot of images,
> mostly small, and that Gnus opens Eww in the short (eleven lines high)
> Summary buffer window.
And I understand you have set scroll-conservatively to a value larger
than 100, is that true?
> Meanwhile, if you think it is worth trying to debug the problem in the
> Fedora 21 optimised build, please send instructions for steps to take in
> GDB. I still have GDB attached to it.
Thanks.
The loop where Emacs is evidently inflooping is this:
start_y = line_bottom_y (&it1);
do {
RESTORE_IT (&it, &it, it1data);
move_it_by_lines (&it, 1);
SAVE_IT (it1, it, it1data);
} while (line_bottom_y (&it1) - start_y < amount_to_scroll);
So what I'd like to know is values of the following variables:
it.current
it.current_y
it.max_ascent
it.max_descent
it.method
start_y
With the exception of the last variable, which should stay fixed
during the loop, please step through the loop a few times, and show
the values of the above variables for each iteration through the loop.
Thanks in advance.
- bug#20808: 24.5; Emacs looping with 100% CPU at line 15287 (?) of xdisp.c, N. Jackson, 2015/06/14
- bug#20808: 24.5; Emacs looping with 100% CPU at line 15287 (?) of xdisp.c, Eli Zaretskii, 2015/06/14
- bug#20808: 24.5; Emacs looping with 100% CPU at line 15287 (?) of xdisp.c, N. Jackson, 2015/06/14
- bug#20808: 24.5; Emacs looping with 100% CPU at line 15287 (?) of xdisp.c,
Eli Zaretskii <=
- bug#20808: 24.5; Emacs looping with 100% CPU at line 15287 (?) of xdisp.c, Eli Zaretskii, 2015/06/15
- bug#20808: 24.5; Emacs looping with 100% CPU at line 15287 (?) of xdisp.c, N. Jackson, 2015/06/15
- bug#20808: 24.5; Emacs looping with 100% CPU at line 15287 (?) of xdisp.c, Eli Zaretskii, 2015/06/16
- bug#20808: 24.5; Emacs looping with 100% CPU at line 15287 (?) of xdisp.c, N. Jackson, 2015/06/16
- bug#20808: 24.5; Emacs looping with 100% CPU at line 15287 (?) of xdisp.c, Eli Zaretskii, 2015/06/16
- bug#20808: 24.5; Emacs looping with 100% CPU at line 15287 (?) of xdisp.c, N. Jackson, 2015/06/17
- bug#20808: 24.5; Emacs looping with 100% CPU at line 15287 (?) of xdisp.c, Eli Zaretskii, 2015/06/17
- bug#20808: 24.5; Emacs looping with 100% CPU at line 15287 (?) of xdisp.c, N. Jackson, 2015/06/17