GNU bug report logs - #14616
24.3.50; Excessive cursor movement on non-X Emacs

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From: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 14616 <at> debbugs.gnu.org
Subject: bug#14616: 24.3.50; Excessive cursor movement on non-X Emacs
Date: Mon, 05 Aug 2013 21:21:22 +0200

Lars Magne Ingebrigtsen <larsi <at> gnus.org> writes:

> #<frame F1 0xc12be0>
> #<frame emacs 0x2f8fba8>

Hm.  So...  reading the code, it is really trying to switch between the
two frames, which then means that it has to redraw everything.

But why is it trying to switch frames in the first place?

I'm probably reading this wrong, but it's waiting for process output
(check), but that means that it wants to switch frames.  Which I don't
understand why it'd want to...

0x0000000000420725 in do_switch_frame (frame=12659685, track=1, for_deletion=0, norecord=12571250) at frame.c:844
844		  SET_FRAME_VISIBLE (XFRAME (frame), 1);
#0  0x0000000000420725 in do_switch_frame (frame=12659685, track=1, for_deletion=0, norecord=12571250) at frame.c:844
#1  0x0000000000420829 in Fselect_frame (frame=12659685, norecord=12571250) at frame.c:883
#2  0x00000000004454ac in unwind_format_mode_line (vector=17901885) at xdisp.c:11002
#3  0x00000000005ad565 in unbind_to (count=6, value=12571202) at eval.c:3337
#4  0x0000000000445936 in x_consider_frame_title (frame=48936325) at xdisp.c:11133
#5  0x0000000000445a34 in prepare_menu_bars () at xdisp.c:11185
#6  0x00000000004497f6 in redisplay_internal () at xdisp.c:13051
#7  0x000000000044ac22 in redisplay_preserve_echo_area (from_where=11) at xdisp.c:13643
#8  0x00000000005f7d4f in wait_reading_process_output (time_limit=30, nsecs=0, read_kbd=-1, do_display=true, wait_for_cell=12571202, 
    wait_proc=0x0, just_wait_proc=0) at process.c:4459


-- 
(domestic pets only, the antidote for overdose, milk.)
  No Gnus T-Shirt for sale: http://ingebrigtsen.no/no.php
  and http://lars.ingebrigtsen.no/2013/08/twenty-years-of-september.html

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