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bug#5973: Crash in get_next_display_element


From: Juanma Barranquero
Subject: bug#5973: Crash in get_next_display_element
Date: Tue, 20 Apr 2010 00:46:32 +0200

On Mon, Apr 19, 2010 at 20:26, Eli Zaretskii <address@hidden> wrote:

> If not, then I'm afraid we will need to wait for another instance of
> this crash.

I get a similar crash on Windows (trace attached).

I can reproduce it reliably, but it depends on something in my .emacs,
so I cannot give a recipe right now.

    Juanma


Breakpoint 1, w32_abort () at w32fns.c:7349
7349      button = MessageBox (NULL,
(gdb) bt
#0  w32_abort () at w32fns.c:7349
#1  0x012be7c9 in temp_set_point_both (buffer=0x34b6e00, charpos=32,
bytepos=33) at intervals.c:1944
#2  0x012772b4 in autocmp_chars (cft_element=50852182, charpos=29,
bytepos=29, limit=31, win=0x350b400, face=0x4e8c100, string=49838082)
    at composite.c:1002
#3  0x01278591 in composition_reseat_it (cmp_it=0x88db74, charpos=29,
bytepos=29, endpos=32, w=0x350b400, face=0x4e8c100, string=49838082)
    at composite.c:1147
#4  0x01069fcb in next_element_from_buffer (it=0x88d6f8) at xdisp.c:6834
#5  0x01066642 in get_next_display_element (it=0x88d6f8) at xdisp.c:5828
#6  0x0106a6ff in move_it_in_display_line_to (it=0x88d6f8,
to_charpos=32, to_x=-1, op=MOVE_TO_POS) at xdisp.c:7087
#7  0x0106bca3 in move_it_to (it=0x88d6f8, to_charpos=32, to_x=-1,
to_y=-1, to_vpos=-1, op=8) at xdisp.c:7588
#8  0x01071704 in resize_mini_window (w=0x350b400, exact_p=0) at xdisp.c:9083
#9  0x01070ec4 in display_echo_area_1 (a1=55620608, a2=49838082, a3=0,
a4=0) at xdisp.c:8946
#10 0x0106fa35 in with_echo_area_buffer (w=0x350b400, which=0,
fn=0x1070e9e <display_echo_area_1>, a1=55620608, a2=49838082, a3=0,
a4=0)
    at xdisp.c:8733
#11 0x01070e6c in display_echo_area (w=0x350b400) at xdisp.c:8914
#12 0x01072a21 in echo_area_display (update_frame_p=1) at xdisp.c:9512
#13 0x0106e656 in message3_nolog (m=85027169, nbytes=32, multibyte=1)
at xdisp.c:8409
#14 0x0106e135 in message3 (m=85027169, nbytes=32, multibyte=1) at xdisp.c:8344
#15 0x01224ccc in Fmessage (nargs=2, args=0x88e1c4) at editfns.c:3408
#16 0x0103c58e in Ffuncall (nargs=3, args=0x88e1c0) at eval.c:3005
#17 0x011ef7d8 in Fbyte_code (bytestr=82551569, vector=51162213,
maxdepth=12) at bytecode.c:680
#18 0x0103d67c in funcall_lambda (fun=51162085, nargs=0,
arg_vector=0x88e474) at eval.c:3211
#19 0x0103ce9c in Ffuncall (nargs=1, args=0x88e470) at eval.c:3070
#20 0x011ef7d8 in Fbyte_code (bytestr=81809201, vector=81013253,
maxdepth=88) at bytecode.c:680
#21 0x0103d67c in funcall_lambda (fun=50937029, nargs=0,
arg_vector=0x88e774) at eval.c:3211
#22 0x0103ce9c in Ffuncall (nargs=1, args=0x88e770) at eval.c:3070
#23 0x011ef7d8 in Fbyte_code (bytestr=81802801, vector=82790149,
maxdepth=20) at bytecode.c:680
#24 0x0103d67c in funcall_lambda (fun=50937349, nargs=3,
arg_vector=0x88ea34) at eval.c:3211
#25 0x0103ce9c in Ffuncall (nargs=4, args=0x88ea30) at eval.c:3070
#26 0x011ef7d8 in Fbyte_code (bytestr=81805217, vector=84959173,
maxdepth=16) at bytecode.c:680
#27 0x0103d67c in funcall_lambda (fun=50938597, nargs=3,
arg_vector=0x88ece4) at eval.c:3211
#28 0x0103ce9c in Ffuncall (nargs=4, args=0x88ece0) at eval.c:3070
#29 0x011ef7d8 in Fbyte_code (bytestr=81009409, vector=50466597,
maxdepth=16) at bytecode.c:680
#30 0x0103d67c in funcall_lambda (fun=50464837, nargs=0,
arg_vector=0x88ef94) at eval.c:3211
#31 0x0103ce9c in Ffuncall (nargs=1, args=0x88ef90) at eval.c:3070
#32 0x011ef7d8 in Fbyte_code (bytestr=81523921, vector=82526981,
maxdepth=64) at bytecode.c:680
#33 0x0103d67c in funcall_lambda (fun=50940261, nargs=3,
arg_vector=0x88f274) at eval.c:3211
#34 0x0103ce9c in Ffuncall (nargs=4, args=0x88f270) at eval.c:3070
#35 0x011ef7d8 in Fbyte_code (bytestr=81523921, vector=82526981,
maxdepth=64) at bytecode.c:680
#36 0x0103d67c in funcall_lambda (fun=50940261, nargs=3,
arg_vector=0x88f554) at eval.c:3211
#37 0x0103ce9c in Ffuncall (nargs=4, args=0x88f550) at eval.c:3070
#38 0x011ef7d8 in Fbyte_code (bytestr=81009361, vector=82654149,
maxdepth=20) at bytecode.c:680
#39 0x0103d67c in funcall_lambda (fun=50466757, nargs=2,
arg_vector=0x88f864) at eval.c:3211
#40 0x0103ce9c in Ffuncall (nargs=3, args=0x88f860) at eval.c:3070
#41 0x011f4c10 in Fcall_interactively (function=50004498,
record_flag=49838082, keys=49859333) at callint.c:869
#42 0x0103ca53 in Ffuncall (nargs=4, args=0x88fb30) at eval.c:3030
#43 0x0103bf25 in call3 (fn=49990114, arg1=50004498, arg2=49838082,
arg3=49838082) at eval.c:2850
#44 0x010222a9 in Fcommand_execute (cmd=50004498,
record_flag=49838082, keys=49838082, special=49838082) at
keyboard.c:10345
#45 0x01008862 in command_loop_1 () at keyboard.c:1756
#46 0x010389aa in internal_condition_case (bfun=0x10072be
<command_loop_1>, handlers=49894618, hfun=0x10069e5 <cmd_error>) at
eval.c:1490
#47 0x01006ebf in command_loop_2 () at keyboard.c:1356
#48 0x0103842c in internal_catch (tag=49893810, func=0x1006e9a
<command_loop_2>, arg=49838082) at eval.c:1226
#49 0x01006e78 in command_loop () at keyboard.c:1335
#50 0x010060f0 in recursive_edit_1 () at keyboard.c:950
#51 0x0100660b in Frecursive_edit () at keyboard.c:1012
#52 0x01002a95 in main (argc=1, argv=0xbe2b58) at emacs.c:1784

Lisp Backtrace:
"message" (0x88e1c4)
"edebug-previous-result" (0x88e474)
"edebug-display" (0x88e774)
"edebug-debugger" (0x88ea34)
"edebug-after" (0x88ece4)
0x3020845 PVEC_COMPILED
"edebug-enter" (0x88f274)
"edebug-enter" (0x88f554)
"narrow-to-region" (0x88f864)
"call-interactively" (0x88fb34)
(gdb)






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