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bug#14616: 24.3.50; Excessive cursor movement on non-X Emacs
From: |
Lars Magne Ingebrigtsen |
Subject: |
bug#14616: 24.3.50; Excessive cursor movement on non-X Emacs |
Date: |
Fri, 02 Aug 2013 15:33:23 +0200 |
User-agent: |
Gnus/5.130008 (Ma Gnus v0.8) Emacs/24.3.50 (gnu/linux) |
Eli Zaretskii <eliz@gnu.org> writes:
> The functions that actually cause Emacs to write something to the
> terminal are write_glyphs, insert_glyphs, delete_glyphs, and
> cursor_to and clear_end_of_line. You will see them called from
> update_frame_line in several places. Either put a breakpoint at each
> of those places, with the following breakpoint commands:
Thanks.
With the commands below, and the make-network-process loop, I can indeed
see no screen updates. I'll try to find other ways to trigger the bug.
The only thing that's being triggered is the call to cursor_to, but that
should probably not have any effect. I've included it below, though.
set logging file /tmp/emacs.gdb
set logging redirect on
set logging on
set height 0
break write_glyphs
commands
bt 2
continue
end
break insert_glyphs
commands
bt 2
continue
end
break delete_glyphs
commands
bt 2
continue
end
break cursor_to
commands
bt 2
continue
end
break clear_end_of_line
commands
bt 2
continue
end
run -Q -nw
Breakpoint 6, cursor_to (f=0xb7fbe0, vpos=11, hpos=0) at terminal.c:113
113 if (FRAME_TERMINAL (f)->cursor_to_hook)
#0 cursor_to (f=0xb7fbe0, vpos=11, hpos=0) at terminal.c:113
#1 0x000000000041aeeb in update_frame_1 (inhibit_id_p=<optimized out>,
force_p=<optimized out>, f=0xb7fbe0) at dispnew.c:4606
Lisp Backtrace:
"redisplay_internal (C function)" (0xb5b5a8)
"delete-process" (0xffffd950)
"let" (0xffffda98)
"while" (0xffffdb88)
"let" (0xffffdcd8)
"eval" (0xffffddf8)
"eval-last-sexp-1" (0xffffdf80)
"eval-last-sexp" (0xffffe148)
"call-interactively" (0xffffe2f0)
"command-execute" (0xffffe418)
Breakpoint 6, cursor_to (f=0xb7fbe0, vpos=11, hpos=0) at terminal.c:113
113 if (FRAME_TERMINAL (f)->cursor_to_hook)
#0 cursor_to (f=0xb7fbe0, vpos=11, hpos=0) at terminal.c:113
#1 0x000000000041aeeb in update_frame_1 (inhibit_id_p=<optimized out>,
force_p=<optimized out>, f=0xb7fbe0) at dispnew.c:4606
Lisp Backtrace:
"redisplay_internal (C function)" (0xb5b5a8)
"delete-process" (0xffffd950)
"let" (0xffffda98)
"while" (0xffffdb88)
"let" (0xffffdcd8)
"eval" (0xffffddf8)
"eval-last-sexp-1" (0xffffdf80)
"eval-last-sexp" (0xffffe148)
"call-interactively" (0xffffe2f0)
"command-execute" (0xffffe418)
--
(domestic pets only, the antidote for overdose, milk.)
No Gnus T-Shirt for sale: http://ingebrigtsen.no/no.php
- bug#14616: 24.3.50; Excessive cursor movement on non-X Emacs, (continued)
- bug#14616: 24.3.50; Excessive cursor movement on non-X Emacs, Lars Magne Ingebrigtsen, 2013/08/05
- bug#14616: 24.3.50; Excessive cursor movement on non-X Emacs, Lars Magne Ingebrigtsen, 2013/08/05
- bug#14616: 24.3.50; Excessive cursor movement on non-X Emacs, Eli Zaretskii, 2013/08/05
- bug#14616: 24.3.50; Excessive cursor movement on non-X Emacs, Lars Magne Ingebrigtsen, 2013/08/05
- bug#14616: 24.3.50; Excessive cursor movement on non-X Emacs, Eli Zaretskii, 2013/08/06
- bug#14616: 24.3.50; Excessive cursor movement on non-X Emacs, Lars Magne Ingebrigtsen, 2013/08/06
- bug#14616: 24.3.50; Excessive cursor movement on non-X Emacs, Eli Zaretskii, 2013/08/07
bug#14616: 24.3.50; Excessive cursor movement on non-X Emacs, Lars Magne Ingebrigtsen, 2013/08/02
bug#14616: 24.3.50; Excessive cursor movement on non-X Emacs,
Lars Magne Ingebrigtsen <=