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bug#61667: 29.0.60; Failure to redisplay
From: |
Dmitry Gutov |
Subject: |
bug#61667: 29.0.60; Failure to redisplay |
Date: |
Tue, 21 Feb 2023 17:43:46 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.4.2 |
On 21/02/2023 14:23, Eli Zaretskii wrote:
Date: Tue, 21 Feb 2023 04:53:58 +0200
From: Dmitry Gutov <dgutov@yandex.ru>
This has been happening from time to time recently:
Any idea how recent is "recently"?
A month-ish? I also hadn't realized right away that it was the problem
with redisplay. Some of the delays might have been a little shorter
previously. They are sometimes shorter than 1-2 seconds now as well.
I visit a file (either through recents or through
project-find-file), and the buffer stays blank for a while, giving
an appearance that it's "loading".
You visit a file that is not already visited in some buffer in the
current Emacs session?
Usually, yes. I don't remember an exception to this.
Does it happen only immediately after visiting a file, i.e. upon what
should have been the initial display of the file you visited?
Yes.
Or does
it happen in other situations as well? If this happens only upon
visiting an unvisited file, does it happen every time you visit such a
file?
Only sometimes. Randomly.
Do you have some features enabled that affect the initial display of a
visited file? Like save-place or something else that invokes a hook
upon visiting? Or some display-related feature that could be
relevant? If you do, what are those features/hooks?
I did have save-place set to t, but I can reproduce it without that.
Other hooks upon visiting? diff-hl-mode adds to find-file-hook to check
VCS status. But the file I'm currently reproducing it with is in non-VCS
controlled directory, so no visualization is added.
This happens with my personal configuration, and rather randomly. How
should I go about debugging it?
Does it help to disable double buffering?
Looks like it does:
emacs --eval "(modify-frame-parameters nil
'((inhibit-double-buffering . t)))"
That "fixes" the scenario. :-(
I also tried rebuilding Emacs with '--with-xdbe=no', to eliminate
additional factors such as Lisp evaluation and frame parameter
modification, but it fails with
xterm.c: In function ‘x_end_cr_clip’:
xterm.c:5833:7: warning: implicit declaration of function
‘FRAME_X_DOUBLE_BUFFERED_P’ [-Wimplicit-function-declaration]
5833 | if (FRAME_X_DOUBLE_BUFFERED_P (f))
| ^~~~~~~~~~~~~~~~~~~~~~~~~
xterm.c:5833:7: warning: nested extern declaration of
‘FRAME_X_DOUBLE_BUFFERED_P’ [-Wnested-externs]
xterm.c: In function ‘handle_one_xevent’:
xterm.c:20904:17: warning: implicit declaration of function
‘x_drop_xrender_surfaces’; did you mean ‘font_drop_xrender_surfaces’?
[-Wimplicit-function-declaration]
20904 | x_drop_xrender_surfaces (f);
| ^~~~~~~~~~~~~~~~~~~~~~~
| font_drop_xrender_surfaces
xterm.c:20904:17: warning: nested extern declaration of
‘x_drop_xrender_surfaces’ [-Wnested-externs]
...
...
CCLD temacs
/usr/bin/ld: xterm.o: in function `x_update_end':
/home/dgutov/vc/emacs/src/xterm.c:7361: undefined reference to
`FRAME_X_DOUBLE_BUFFERED_P'
/usr/bin/ld: xterm.o: in function `x_end_cr_clip':
/home/dgutov/vc/emacs/src/xterm.c:5833: undefined reference to
`FRAME_X_DOUBLE_BUFFERED_P'
/usr/bin/ld: /home/dgutov/vc/emacs/src/xterm.c:5833: undefined reference
to `FRAME_X_DOUBLE_BUFFERED_P'
/usr/bin/ld: /home/dgutov/vc/emacs/src/xterm.c:5833: undefined reference
to `FRAME_X_DOUBLE_BUFFERED_P'
/usr/bin/ld: /home/dgutov/vc/emacs/src/xterm.c:5833: undefined reference
to `FRAME_X_DOUBLE_BUFFERED_P'
/usr/bin/ld: xterm.o:/home/dgutov/vc/emacs/src/xterm.c:5833: more
undefined references to `FRAME_X_DOUBLE_BUFFERED_P' follow
even after 'make extraclean'.
Revision e83c78b8c7784254.
Do you see anything interesting in *Messages* after such an incident?
Nope.
- bug#61667: 29.0.60; Failure to redisplay, (continued)
- bug#61667: 29.0.60; Failure to redisplay, Dmitry Gutov, 2023/02/24
- bug#61667: 29.0.60; Failure to redisplay, Eli Zaretskii, 2023/02/22
- bug#61667: 29.0.60; Failure to redisplay, Po Lu, 2023/02/22
- bug#61667: 29.0.60; Failure to redisplay, Dmitry Gutov, 2023/02/22
- bug#61667: 29.0.60; Failure to redisplay, Eli Zaretskii, 2023/02/23
- bug#61667: 29.0.60; Failure to redisplay, Dmitry Gutov, 2023/02/22
bug#61667: 29.0.60; Failure to redisplay, Eli Zaretskii, 2023/02/21
- bug#61667: 29.0.60; Failure to redisplay,
Dmitry Gutov <=
bug#61667: 29.0.60; Failure to redisplay, Eli Zaretskii, 2023/02/21