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bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421
From: |
Tassilo Horn |
Subject: |
bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421 |
Date: |
Tue, 06 Nov 2012 16:13:08 +0100 |
User-agent: |
Gnus/5.130006 (Ma Gnus v0.6) Emacs/24.3.50 (gnu/linux) |
Tassilo Horn <thorn@fastmail.fm> writes:
> Over the last days (I update my emacs copy daily), I had a few emacs
> crashes. I think, it always crashed when I hit M-DEL (or at least
> DEL), but not every such keystroke crashes emacs.
The crash occured again. This time, I think it was during "normal"
typing, i.e., no DEL. The (almost identical) backtrace is attached.
Program received signal SIGSEGV, Segmentation fault.
0x0000000000544498 in event_to_kboard (event=0xbe9ee0 <kbd_buffer+189056>)
at keyboard.c:3421
warning: Source file is more recent than executable.
3421 if (WINDOWP (obj))
(gdb) bt full
#0 0x0000000000544498 in event_to_kboard (event=0xbe9ee0 <kbd_buffer+189056>)
at keyboard.c:3421
obj = 23475429
#1 0x0000000000544fb1 in kbd_buffer_get_event (kbp=0x7ffffb338fa0,
used_mouse_menu=0x7ffffb339577, end_time=0x0) at keyboard.c:3823
event = 0xbe9ee0 <kbd_buffer+189056>
obj = 432488194
#2 0x0000000000542b81 in read_char (commandflag=1, nmaps=9,
maps=0x7ffffb339350,
prev_event=12766914, used_mouse_menu=0x7ffffb339577, end_time=0x0)
at keyboard.c:2768
kb = 0x7ffffb338fd0
c = 12766914
jmpcount = 2
local_getcjmp = {{
__jmpbuf = {0, -1730894225911923910, 4290928, 140737407852208, 0,
0,
-1730894225194697926, 1730884259209591610},
__mask_was_saved = 0,
__saved_mask = {
__val = {6569541, 12766914, 127802357, 12799762, 4248,
140737407849248, 6062330, 12766914, 33490614, 12766914,
33602934,
140737407848896, 6119764, 0, 12766914, 127802352}
}
}}
save_jump = {{
__jmpbuf = {0, 0, 0, 0, 0, 0, 0, 0},
__mask_was_saved = 0,
__saved_mask = {
__val = {0 <repeats 16 times>}
---Type <return> to continue, or q <return> to quit---
}
}}
tem = 33984598
save = 140737407849136
previous_echo_area_message = 12766914
also_record = 12766914
reread = false
gcpro1 = {
next = 0x7ffffb339000,
var = 0x63eba3 <find_interval+117>,
nvars = 95637904
}
gcpro2 = {
next = 0x7ffffb339490,
var = 0x5b35190,
nvars = 72057594037927939
}
polling_stopped_here = true
orig_kboard = 0x1b72860
#3 0x000000000054f630 in read_key_sequence (keybuf=0x7ffffb3397f0, bufsize=30,
prompt=12766914, dont_downcase_last=false, can_return_switch_frame=true,
fix_current_buffer=true) at keyboard.c:9223
interrupted_kboard = 0x1b72860
interrupted_frame = 0x1234170
key = 40
used_mouse_menu = false
echo_local_start = 0
last_real_key_start = 0
---Type <return> to continue, or q <return> to quit---
keys_local_start = 0
local_first_binding = 0
from_string = 12766914
count = 2
t = 0
echo_start = 0
keys_start = 0
nmaps = 9
nmaps_allocated = 9
defs = 0x7ffffb3392f0
submaps = 0x7ffffb339350
orig_local_map = 35189862
orig_keymap = 12766914
localized_local_map = 0
first_binding = 0
first_unbound = 31
mock_input = 0
fkey = {
parent = 19820790,
map = 19820790,
start = 0,
end = 0
}
keytran = {
parent = 12746166,
map = 12746166,
start = 0,
end = 0
---Type <return> to continue, or q <return> to quit---
}
indec = {
parent = 19820774,
map = 19820774,
start = 0,
end = 0
}
shift_translated = false
delayed_switch_frame = 12766914
original_uppercase = 127802352
original_uppercase_position = -1
dummyflag = false
starting_buffer = 0x79e1bf0
fake_prefixed_keys = 12766914
gcpro1 = {
next = 0x0,
var = 0x79e1bf5,
nvars = 12953202
}
#4 0x0000000000540108 in command_loop_1 () at keyboard.c:1458
cmd = 16198018
keybuf = {508, 428, 108, 140737407850752, 12766962, 92661894,
4316442132495, 27990208, 27714976, 728, 140737407850592, 9345238,
12818658, 19087728, 140737407850640, 5167821, 1, 6973741,
140737407850192, 12766914, 12766914, 9345249, 140737407850720,
5503309,
140737407850752, 92661894, 12766914, 19087728, 140737407850720, 0}
i = 1
prev_modiff = 2493
---Type <return> to continue, or q <return> to quit---
prev_buffer = 0x79e1bf0
already_adjusted = false
#5 0x00000000005d7aef in internal_condition_case (bfun=0x53fd21
<command_loop_1>,
handlers=12818562, hfun=0x53f622 <cmd_error>) at eval.c:1288
val = 1
c = {
tag = 12766914,
val = 12766914,
next = 0x7ffffb339b30,
gcpro = 0x0,
jmp = {{
__jmpbuf = {0, -1730894225643488454, 4290928, 140737407852208, 0,
0,
-1730894225523950790, 1730884200964209466},
__mask_was_saved = 0,
__saved_mask = {
__val = {1730884200964209466, 0, 139913602980736, 4294967295,
0,
9290408, 0, 0, 0, 0, 139913699142148, 1, 0, 1,
139913599122032, 0}
}
}},
backlist = 0x0,
handlerlist = 0x0,
lisp_eval_depth = 0,
pdlcount = 2,
poll_suppress_count = 1,
interrupt_input_blocked = 0,
byte_stack = 0x0
}
h = {
---Type <return> to continue, or q <return> to quit---
handler = 12818562,
var = 12766914,
chosen_clause = 12766962,
tag = 0x7ffffb3399b0,
next = 0x0
}
#6 0x000000000053fa3a in command_loop_2 (ignore=12766914) at keyboard.c:1167
val = 0
#7 0x00000000005d74c3 in internal_catch (tag=12814402,
func=0x53fa14 <command_loop_2>, arg=12766914) at eval.c:1059
c = {
tag = 12814402,
val = 12766914,
next = 0x0,
gcpro = 0x0,
jmp = {{
__jmpbuf = {0, -1730894225693820102, 4290928, 140737407852208, 0,
0,
-1730894225601545414, 1730884200602975034},
__mask_was_saved = 0,
__saved_mask = {
__val = {0, 0, 144, 0, 0, 140737407851568, 6028825, 4294967296,
12766914, 12766914, 12988610, 140737407851664, 0, 12218656,
12793680, 352}
}
}},
backlist = 0x0,
handlerlist = 0x0,
lisp_eval_depth = 0,
---Type <return> to continue, or q <return> to quit---
pdlcount = 2,
poll_suppress_count = 1,
interrupt_input_blocked = 0,
byte_stack = 0x0
}
#8 0x000000000053f9ec in command_loop () at keyboard.c:1146
No locals.
#9 0x000000000053f16f in recursive_edit_1 () at keyboard.c:778
count = 1
val = 12766914
#10 0x000000000053f315 in Frecursive_edit () at keyboard.c:842
count = 0
buffer = 12766914
#11 0x000000000053d258 in main (argc=1, argv=0x7ffffb339eb8) at emacs.c:1564
dummy = 4247287
stack_bottom_variable = 0 '\000'
do_initial_setlocale = true
dumping = false
skip_args = 0
rlim = {
rlim_cur = 8720000,
rlim_max = 18446744073709551615
}
no_loadup = false
junk = 0x0
dname_arg = 0x0
ch_to_dir = 0x13c7f10 "\360%9\001"
(gdb)
(gdb) xbacktrace
(gdb)
Bye,
Tassilo
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Tassilo Horn, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421,
Tassilo Horn <=
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Eli Zaretskii, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Tassilo Horn, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Tassilo Horn, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Eli Zaretskii, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Tassilo Horn, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Eli Zaretskii, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Paul Eggert, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Tassilo Horn, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Paul Eggert, 2012/11/06
- bug#12814: 24.3.50; Emacs crash in event_to_kboard at keyboard.c:3421, Tassilo Horn, 2012/11/06