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bug#10195: 24.0.92; M-w may no longer provide visual feedback
From: |
Eli Zaretskii |
Subject: |
bug#10195: 24.0.92; M-w may no longer provide visual feedback |
Date: |
Sat, 03 Dec 2011 18:38:03 +0200 |
> From: Michael Welsh Duggan <md5i@md5i.com>
> Cc: ejb@ql.org, 10195@debbugs.gnu.org
> Date: Sat, 03 Dec 2011 10:19:06 -0500
>
> I just tried this again in a random buffer in my running non -Q emacs.
> The first M-w caused the cursor to bounce, the second did not, the third
> did, the fourth and fifth did not. This is why I called the behavior
> inconsistent. I just tried it in emacs -Q again, and had it bounce
> three times out of 15 tries.
Does "C-h l" show all the 15 M-w keystrokes you did?
> I am running in an unoptimized debug build with assertions turned on,
> and am familiar with gdb. If there is any way I can help debug this,
> please let me know.
M-w calls sit-for after bouncing point to the position of mark; the
default waiting period is 1 sec. How about instrumenting sit-for with
calls to `message' and seeing what's going on there? One possibility
is that some input event terminates the wait immediately (see
sit-for's code). Another possibility is that something happens in
read-event, in which case you will need to use GDB. But I think it
would be good to see what's going on in sit-for before you go to the C
level.
Another idea is to replace the call to sit-for in kill-ring-save with
a call to sleep-for, and see if that changes anything. If it does,
the probably culprit is sit-for and whatever it calls.
Thanks.
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Jay Berkenbilt, 2011/12/02
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Eli Zaretskii, 2011/12/02
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Michael Welsh Duggan, 2011/12/03
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Eli Zaretskii, 2011/12/03
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Michael Welsh Duggan, 2011/12/03
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Michael Welsh Duggan, 2011/12/03
- bug#10195: 24.0.92; M-w may no longer provide visual feedback,
Eli Zaretskii <=
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Eli Zaretskii, 2011/12/03
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Michael Welsh Duggan, 2011/12/03
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Chong Yidong, 2011/12/03
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Michael Welsh Duggan, 2011/12/03
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Eli Zaretskii, 2011/12/03
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Chong Yidong, 2011/12/04
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Eli Zaretskii, 2011/12/04
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Chong Yidong, 2011/12/04
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Eli Zaretskii, 2011/12/04
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Stefan Monnier, 2011/12/04