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bug#24109: 24.5; Long lines in message mode make Emacs irresponsive
From: |
Yuri D'Elia |
Subject: |
bug#24109: 24.5; Long lines in message mode make Emacs irresponsive |
Date: |
Wed, 31 Aug 2016 17:51:04 +0200 |
User-agent: |
mu4e 0.9.17; emacs 24.5.1 |
On Wed, Aug 31 2016, Eli Zaretskii <eliz@gnu.org> wrote:
> The main loop in try_window is this:
>
> /* Display all lines of W. */
> while (it.current_y < it.last_visible_y)
> {
> if (display_line (&it))
> last_text_row = it.glyph_row - 1;
> if (f->fonts_changed && !(flags & TRY_WINDOW_IGNORE_FONTS_CHANGE))
> return 0;
> }
>
> Please see if the loop terminates, by setting a breakpoint on the
> 'return 0' statement and on the line after the loop.
>
> If it terminates, it means try_window does its job correctly, and we
> will need to look in the caller, redisplay_window, for the reasons of
> this infloop.
It actually terminates.
I've narrowed it down to redisplay_internal(), hitting a goto in
xdisp.c:14144:
if (hscroll_windows (selected_window))
=> goto retry;
- bug#24109: 24.5; Long lines in message mode make Emacs irresponsive, Yuri D'Elia, 2016/08/30
- bug#24109: 24.5; Long lines in message mode make Emacs irresponsive, Yuri D'Elia, 2016/08/30
- bug#24109: 24.5; Long lines in message mode make Emacs irresponsive, Eli Zaretskii, 2016/08/30
- bug#24109: 24.5; Long lines in message mode make Emacs irresponsive, Yuri D'Elia, 2016/08/30
- bug#24109: 24.5; Long lines in message mode make Emacs irresponsive, Eli Zaretskii, 2016/08/30
- bug#24109: 24.5; Long lines in message mode make Emacs irresponsive, Yuri D'Elia, 2016/08/31
- bug#24109: 24.5; Long lines in message mode make Emacs irresponsive, Eli Zaretskii, 2016/08/31
- bug#24109: 24.5; Long lines in message mode make Emacs irresponsive,
Yuri D'Elia <=
- bug#24109: 24.5; Long lines in message mode make Emacs irresponsive, Eli Zaretskii, 2016/08/31
- bug#24109: 24.5; Long lines in message mode make Emacs irresponsive, Yuri D'Elia, 2016/08/31
- bug#24109: 24.5; Long lines in message mode make Emacs irresponsive, Eli Zaretskii, 2016/08/31