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Re: Nested sit-for's
From: |
Kim F. Storm |
Subject: |
Re: Nested sit-for's |
Date: |
Thu, 17 Aug 2006 23:28:09 +0200 |
User-agent: |
Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux) |
Chong Yidong <address@hidden> writes:
>> I don't know if it is related, but from time to time (at least a few
>> times daily), the cursor disappears, and doesn't return until I
>> do "something" (e.g. click the mouse or type a key).
>>
>> I use blinking cursor, but when this happens, it typically seems to
>> happen immediately after some event that updates part of the screen
>> (like buffer switching), i.e. not as an effect of first showing the
>> cursor and then "blinking it off".
>
> If this is true, maybe it is a redisplay bug.
It may be so, but IIRC, when I last tried to debug this problem
(months ago), the cursor did actually blink (shortly) every
30-something seconds.
>
> Could you try interrupting Emacs through gdb when this occurs, and
> inspecting Vtimer_list to see if the `blink-cursor-timer-function'
> timer is still active?
I can't. As soon as emacs loses focus, it shows the (hollow) cursor.
>
> Another avenue of investigation is to add (redisplay) to
> `blink-cursor-timer-function'. If that stops the problem, that means
> there is a redisplay bug.
I don't know how to provoke the bug -- it happens quite rarely, and
I never found a way to reproduce it. When I tried to debug this, I
did add some trace-dump to the timer routines in timer.el, but I never
really got anything which could explain what the problem was.
> I have unfortunately been unable to reproduce this bug.
So have I... :-| It just happens...
--
Kim F. Storm <address@hidden> http://www.cua.dk
- Nested sit-for's, Kim F. Storm, 2006/08/16
- Re: Nested sit-for's, Chong Yidong, 2006/08/16
- Re: Nested sit-for's, Richard Stallman, 2006/08/17
- Re: Nested sit-for's, Kim F. Storm, 2006/08/17
- Re: Nested sit-for's, Chong Yidong, 2006/08/17
- Re: Nested sit-for's, Kim F. Storm, 2006/08/17
- Re: Nested sit-for's, Chong Yidong, 2006/08/17
- Re: Nested sit-for's,
Kim F. Storm <=
- Re: Nested sit-for's, Chong Yidong, 2006/08/17
- Re: Nested sit-for's, martin rudalics, 2006/08/17
- Re: Nested sit-for's, Kim F. Storm, 2006/08/17
- Re: Nested sit-for's, martin rudalics, 2006/08/18
- Re: Nested sit-for's, Kim F. Storm, 2006/08/18
- Re: Nested sit-for's, Chong Yidong, 2006/08/20
- Re: Nested sit-for's, Kim F. Storm, 2006/08/20
- Re: Nested sit-for's, martin rudalics, 2006/08/20
- Re: Nested sit-for's, Kim F. Storm, 2006/08/20
- Re: Nested sit-for's, Richard Stallman, 2006/08/21