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bug#13864: 24.3.50; emacsclient -t loops when connected to emacs server
From: |
Ashish SHUKLA |
Subject: |
bug#13864: 24.3.50; emacsclient -t loops when connected to emacs server running in X11 |
Date: |
Fri, 08 Mar 2013 15:38:30 +0530 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (amd64-portbld-freebsd9.1) |
On Thu, 07 Mar 2013 14:48:20 +0200, Eli Zaretskii <eliz@gnu.org> said:
>> From: ashish.is@lostca.se (Ashish SHUKLA)
>> Cc: 13864@debbugs.gnu.org
>> Date: Thu, 07 Mar 2013 15:49:55 +0530
>>
>> > (gdb) set pagination off
>> > or
>> > (gdb) set height 0
>>
>> > will do that.
>>
>> Thanks
>>
>> Let me know if you need anything else or like me to test something.
> Another trick that potentially avoids some work is this:
> (gdb) set logging on
> This will cause GDB to put all of its output on a file named gdb.txt,
> so you don't need to copy-paste from your screen into the mail
> messages. (Caveat: this does not show what _you_ type at GDB's
> prompt, only the GDB responses.)
> What I need now is the output of several times the following
> breakpoint is hit:
> (gdb) break dispnew.c:4509
> (gdb) commands
>> p i
>> p desired_matrix->nrows
>> if i < desired_matrix->nrows
>> pgrowx desired_matrix->rows+i
>> end
I later added a 'continue' in here as Breakpoint 6 in the output.
>> end
> Also, let's see if scrolling_1 is ever called:
> (gdb) break scrolling_1
> (gdb) commands
>> continue
>> end
> (gdb)
> The goal is to understand why Emacs is redrawing the display although
> nothing on display changes. There's some convoluted code in
> update_frame_line, a subroutine of update_frame_1, which attempts to
> find the differences between the current line on display and what
> should be on the current line, and only redraw the part(s) that
> changed. I'd expect that code to figure out that nothing needs to be
> redrawn in this case, but somehow it fails, I don't yet see why.
Not sure if the attached gdb output is any useful. Here is what I did:
- emacs -Q
- M-x server-start
- gdb stuff, breakpoints + loading .gdbinit
- Started an xterm of dimensions (maybe 20-25 rows)
- emacsclient -t
- key presses (none of them is C-x C-f)
- Breakpoint 1 being hit and requiring me to type 'cont' on every hit
- After some 'cont' inputs, I deleted it, and re-added it as Breakpoint 6 with
'continue' as mentioned above.
- Breakpoint 6 being continuously hit
- C-x 5 0 in emacsclient window
- appended '====EMACSCLIENT STOPPED====' to logfile
- emacsclient -t
- Breakpoint 6 being hit
- I resized window to 4-5 rows in an effort to reduce no. of redraw messages
- Killed gdb after 2 minutes, which killed emacs.
Let me know if you need more information.
Thanks
--
Ashish SHUKLA
“Tous pour un, un pour tous, c'est notre devise” (Alexandre Dumas, père, "Les
Trois Mousquetaires", 1844)
Sent from my Emacs
gdb.txt.xz
Description: Binary data
pgpYdFl2KH6EK.pgp
Description: PGP signature
- bug#13864: 24.3.50; emacsclient -t loops when connected to emacs server running in X11, (continued)
- bug#13864: 24.3.50; emacsclient -t loops when connected to emacs server running in X11, Ashish SHUKLA, 2013/03/04
- bug#13864: 24.3.50; emacsclient -t loops when connected to emacs server running in X11, Eli Zaretskii, 2013/03/06
- bug#13864: 24.3.50; emacsclient -t loops when connected to emacs server running in X11, Ashish SHUKLA, 2013/03/06
- bug#13864: 24.3.50; emacsclient -t loops when connected to emacs server running in X11, Eli Zaretskii, 2013/03/06
- bug#13864: 24.3.50; emacsclient -t loops when connected to emacs server running in X11, Ashish SHUKLA, 2013/03/06
- bug#13864: 24.3.50; emacsclient -t loops when connected to emacs server running in X11, Eli Zaretskii, 2013/03/07
- bug#13864: 24.3.50; emacsclient -t loops when connected to emacs server running in X11, Ashish SHUKLA, 2013/03/07
- bug#13864: 24.3.50; emacsclient -t loops when connected to emacs server running in X11, Eli Zaretskii, 2013/03/07
- bug#13864: 24.3.50; emacsclient -t loops when connected to emacs server running in X11, Ashish SHUKLA, 2013/03/07
- bug#13864: 24.3.50; emacsclient -t loops when connected to emacs server running in X11, Eli Zaretskii, 2013/03/07
- bug#13864: 24.3.50; emacsclient -t loops when connected to emacs server running in X11,
Ashish SHUKLA <=
- bug#13864: 24.3.50; emacsclient -t loops when connected to emacs server running in X11, Eli Zaretskii, 2013/03/08
- bug#13864: 24.3.50; emacsclient -t loops when connected to emacs server running in X11, Ashish SHUKLA, 2013/03/13
- bug#13864: 24.3.50; emacsclient -t loops when connected to emacs server running in X11, Eli Zaretskii, 2013/03/15
- bug#13864: 24.3.50; emacsclient -t loops when connected to emacs server running in X11, Ashish SHUKLA, 2013/03/22
- bug#13864: 24.3.50; emacsclient -t loops when connected to emacs server running in X11, Eli Zaretskii, 2013/03/24
- bug#13864: 24.3.50; emacsclient -t loops when connected to emacs server running in X11, Ashish SHUKLA, 2013/03/25
- bug#13864: 24.3.50; emacsclient -t loops when connected to emacs server running in X11, Eli Zaretskii, 2013/03/25