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bug#61667: 29.0.60; Failure to redisplay
From: |
Eli Zaretskii |
Subject: |
bug#61667: 29.0.60; Failure to redisplay |
Date: |
Wed, 22 Feb 2023 14:17:45 +0200 |
> From: Po Lu <luangruo@yahoo.com>
> Cc: Dmitry Gutov <dgutov@yandex.ru>, 61667@debbugs.gnu.org
> Date: Wed, 22 Feb 2023 10:41:20 +0800
>
> Would you please start by instrumenting xterm.c as follows?
>
> diff --git a/src/xterm.c b/src/xterm.c
> index 5feaa4aef0f..999ae5d37fb 100644
> --- a/src/xterm.c
> +++ b/src/xterm.c
> @@ -7518,6 +7518,10 @@ XTframe_up_to_date (struct frame *f)
> FRAME_MOUSE_UPDATE (f);
>
> #ifdef HAVE_XDBE
> + fprintf (stderr, "XTframe_up_to_date: %d, %d\n",
> + buffer_flipping_blocked_p (),
> + FRAME_X_NEED_BUFFER_FLIP (f));
> +
> if (!buffer_flipping_blocked_p ()
> && FRAME_X_NEED_BUFFER_FLIP (f))
> show_back_buffer (f);
> @@ -17736,6 +17740,8 @@ x_flush_dirty_back_buffer_on (struct frame *f)
> || !FRAME_X_NEED_BUFFER_FLIP (f))
> return;
>
> + fprintf (stderr, "x_flush_dirty_back_buffer_on: called\n");
Careful with printfs, since we know this problem goes away when there
are too many of them. Use fputs whenever you can, since fprintf can
be much more expensive.
- bug#61667: 29.0.60; Failure to redisplay, (continued)
- bug#61667: 29.0.60; Failure to redisplay, Po Lu, 2023/02/21
- bug#61667: 29.0.60; Failure to redisplay, Dmitry Gutov, 2023/02/21
- bug#61667: 29.0.60; Failure to redisplay, Po Lu, 2023/02/21
- bug#61667: 29.0.60; Failure to redisplay, Eli Zaretskii, 2023/02/21
- bug#61667: 29.0.60; Failure to redisplay, Dmitry Gutov, 2023/02/21
- bug#61667: 29.0.60; Failure to redisplay, Eli Zaretskii, 2023/02/21
- bug#61667: 29.0.60; Failure to redisplay, Dmitry Gutov, 2023/02/21
- bug#61667: 29.0.60; Failure to redisplay, Eli Zaretskii, 2023/02/21
- bug#61667: 29.0.60; Failure to redisplay, Dmitry Gutov, 2023/02/21
- bug#61667: 29.0.60; Failure to redisplay, Po Lu, 2023/02/21
- bug#61667: 29.0.60; Failure to redisplay,
Eli Zaretskii <=
- bug#61667: 29.0.60; Failure to redisplay, Dmitry Gutov, 2023/02/22
- bug#61667: 29.0.60; Failure to redisplay, Gregory Heytings, 2023/02/22
- bug#61667: 29.0.60; Failure to redisplay, Dmitry Gutov, 2023/02/22
- bug#61667: 29.0.60; Failure to redisplay, Gregory Heytings, 2023/02/22
- bug#61667: 29.0.60; Failure to redisplay, Dmitry Gutov, 2023/02/23
- bug#61667: 29.0.60; Failure to redisplay, Gregory Heytings, 2023/02/23
- bug#61667: 29.0.60; Failure to redisplay, Dmitry Gutov, 2023/02/23
- bug#61667: 29.0.60; Failure to redisplay, Eli Zaretskii, 2023/02/23
- bug#61667: 29.0.60; Failure to redisplay, Dmitry Gutov, 2023/02/23
- bug#61667: 29.0.60; Failure to redisplay, Eli Zaretskii, 2023/02/23