From: Andy Moreton <andrewjmoreton@googlemail.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: emacs-devel@gnu.org
Subject: Re: emacs-21.1.94 crash in gnus on Windows
Date: Tue, 16 Mar 2010 12:53:51 +0000 [thread overview]
Message-ID: <4B9F7F5F.1040504@gmail.com> (raw)
In-Reply-To: <E1NrU5H-0000a7-Rj@fencepost.gnu.org>
On 16/03/2010 10:33, Eli Zaretskii wrote:
>> From: Andy Moreton<andrewjmoreton@gmail.com>
>> Date: Mon, 15 Mar 2010 23:40:27 +0000
>>
>> I've built 21.1.94 pretest on WinXP SP3 with MinGW gcc, and I'm seeing
>> a repeatable crash in gnus. Running emacs under gdb I managed to capture
>> a crash, with the following results:
>>
>> Program received signal SIGSEGV, Segmentation fault.
>> 0x0102ef33 in pos_visible_p (w=0x2fa6e00, charpos=0x22fa, x=0x82eef8, y=0x82eef4, rtop=0x82ef08,
>> rbot=0x82ef04, rowh=0x82ef00, vpos=0x82eefc) at xdisp.c:1397
>> 1397&& (!BUFFERP (glyph->object)
>
> Thank you for your report.
>
>> Please let me know what other info/testing is needed to help fix this.
>
> First, please file a bug report with this information.
I've sent a bug report (from another machine after recreating the crash).
> Second, please type "bt full" and post the results.
>
> Third, if this is an optimized build, please build Emacs without
> optimizations, and when the crash happens again, please type "bt full"
> and send the results.
>
> Finally, could you tell what kind of text is at character position
> (in this case, 0x22fa) with which pos_visible_p is called when it
> crashes? Are there any unusual text properties there, like invisible
> text, ellipsis (which stands for hidden text), or something similar?
emacs was configured on both machines with "--no-opt". I've added details of
the crash in the bug report below.
Program received signal SIGSEGV, Segmentation fault.
0x01030355 in pos_visible_p (w=0x307c800, charpos=0x5ad, x=0x82f0c4,
y=0x82f0c0, rtop=0x82f0d8,
rbot=0x82f0d4, rowh=0x82f0d0, vpos=0x82f0cc) at xdisp.c:1396
1396 for (; glyph < end
(gdb) warning: reader_thread.SetEvent failed with 6 for fd -1
warning: reader_thread.SetEvent failed with 6 for fd -1
warning: reader_thread.SetEvent failed with 6 for fd -1
warning: reader_thread.SetEvent failed with 6 for fd -1
warning: reader_thread.SetEvent failed with 6 for fd -1
bt full
Reading in symbols for window.c...done.
Reading in symbols for eval.c...done.
Reading in symbols for bytecode.c...done.
Reading in symbols for callint.c...done.
Reading in symbols for keyboard.c...done.
#0 0x01030355 in pos_visible_p (w=0x307c800, charpos=0x5ad, x=0x82f0c4,
y=0x82f0c0,
rtop=0x82f0d8, rbot=0x82f0d4, rowh=0x82f0d0, vpos=0x82f0cc) at xdisp.c:1396
row = 0x380a098
glyph = 0x38d0020
end = 0x38d0ea0
x = 0x0
window = 0x307c805
prop = 0x33fb62a
top_y = 0x62
it_method = GET_FROM_BUFFER
window_top_y = 0xe
top_x = 0x333
bottom_y = 0x70
it = {
window = 0x307c805,
w = 0x307c800,
f = 0x307c000,
method = GET_FROM_BUFFER,
stop_charpos = 0x719,
end_charpos = 0x719,
s = 0x0,
string_nchars = 0x0,
region_beg_charpos = 0xffffffff,
region_end_charpos = 0xffffffff,
redisplay_end_trigger_charpos = 0x0,
multibyte_p = 0x1,
header_line_p = 0x1,
string_from_display_prop_p = 0x0,
ellipsis_p = 0x0,
avoid_cursor_p = 0x0,
dp = 0x48b4e00,
dpvec = 0x0,
dpend = 0x13da13c,
dpvec_char_len = 0x0,
dpvec_face_id = 0xffffffff,
saved_face_id = 0x0,
ctl_chars = {0x0 <repeats 16 times>},
start = {
pos = {
charpos = 0x1,
bytepos = 0x1
},
overlay_string_index = 0xffffffff,
string_pos = {
charpos = 0xffffffff,
bytepos = 0xffffffff
},
dpvec_index = 0xffffffff
},
current = {
pos = {
charpos = 0x719,
bytepos = 0x759
},
overlay_string_index = 0xffffffff,
string_pos = {
charpos = 0xffffffff,
bytepos = 0xffffffff
},
dpvec_index = 0xffffffff
},
n_overlay_strings = 0x0,
overlay_strings = {0x0 <repeats 16 times>},
string_overlays = {0x0 <repeats 16 times>},
string = 0x2b36802,
from_overlay = 0x0,
stack = {{
string = 0x0,
string_nchars = 0x0,
end_charpos = 0x0,
stop_charpos = 0x0,
cmp_it = {
stop_pos = 0x0,
id = 0x0,
ch = 0x0,
lookback = 0x0,
nglyphs = 0x0,
nchars = 0x0,
nbytes = 0x0,
from = 0x0,
to = 0x0,
width = 0x0
},
face_id = 0x0,
u = {
image = {
object = 0x0,
slice = {
x = 0x0,
y = 0x0,
width = 0x0,
height = 0x0
},
image_id = 0x0
},
comp = {
object = 0x0
},
stretch = {
object = 0x0
}
},
position = {
charpos = 0x0,
bytepos = 0x0
},
current = {
pos = {
charpos = 0x0,
bytepos = 0x0
},
overlay_string_index = 0x0,
string_pos = {
charpos = 0x0,
bytepos = 0x0
},
dpvec_index = 0x0
},
from_overlay = 0x0,
area = LEFT_MARGIN_AREA,
method = GET_FROM_BUFFER,
multibyte_p = 0x0,
string_from_display_prop_p = 0x0,
display_ellipsis_p = 0x0,
avoid_cursor_p = 0x0,
line_wrap = TRUNCATE,
voffset = 0x0,
space_width = 0x0,
font_height = 0x0
}, {
string = 0x0,
string_nchars = 0x0,
end_charpos = 0x0,
stop_charpos = 0x0,
cmp_it = {
stop_pos = 0x0,
id = 0x0,
ch = 0x0,
lookback = 0x0,
nglyphs = 0x0,
nchars = 0x0,
nbytes = 0x0,
from = 0x0,
to = 0x0,
width = 0x0
},
face_id = 0x0,
u = {
image = {
object = 0x0,
slice = {
x = 0x0,
y = 0x0,
width = 0x0,
height = 0x0
},
image_id = 0x0
},
comp = {
object = 0x0
},
stretch = {
object = 0x0
}
},
position = {
charpos = 0x0,
bytepos = 0x0
},
current = {
pos = {
charpos = 0x0,
bytepos = 0x0
},
overlay_string_index = 0x0,
string_pos = {
charpos = 0x0,
bytepos = 0x0
},
dpvec_index = 0x0
},
from_overlay = 0x0,
area = LEFT_MARGIN_AREA,
method = GET_FROM_BUFFER,
multibyte_p = 0x0,
string_from_display_prop_p = 0x0,
display_ellipsis_p = 0x0,
avoid_cursor_p = 0x0,
line_wrap = TRUNCATE,
voffset = 0x0,
space_width = 0x0,
font_height = 0x0
}, {
string = 0x0,
string_nchars = 0x0,
end_charpos = 0x0,
stop_charpos = 0x0,
cmp_it = {
stop_pos = 0x0,
id = 0x0,
ch = 0x0,
lookback = 0x0,
nglyphs = 0x0,
nchars = 0x0,
nbytes = 0x0,
from = 0x0,
to = 0x0,
width = 0x0
},
face_id = 0x0,
u = {
image = {
object = 0x0,
slice = {
x = 0x0,
y = 0x0,
width = 0x0,
height = 0x0
},
image_id = 0x0
},
comp = {
object = 0x0
},
stretch = {
object = 0x0
}
},
position = {
charpos = 0x0,
bytepos = 0x0
},
current = {
pos = {
charpos = 0x0,
bytepos = 0x0
},
overlay_string_index = 0x0,
string_pos = {
charpos = 0x0,
bytepos = 0x0
},
dpvec_index = 0x0
},
from_overlay = 0x0,
area = LEFT_MARGIN_AREA,
method = GET_FROM_BUFFER,
multibyte_p = 0x0,
string_from_display_prop_p = 0x0,
display_ellipsis_p = 0x0,
avoid_cursor_p = 0x0,
line_wrap = TRUNCATE,
voffset = 0x0,
space_width = 0x0,
font_height = 0x0
}, {
string = 0x0,
string_nchars = 0x0,
end_charpos = 0x0,
stop_charpos = 0x0,
cmp_it = {
stop_pos = 0x0,
id = 0x0,
ch = 0x0,
lookback = 0x0,
nglyphs = 0x0,
nchars = 0x0,
nbytes = 0x0,
from = 0x0,
to = 0x0,
width = 0x0
},
face_id = 0x0,
u = {
image = {
object = 0x0,
slice = {
x = 0x0,
y = 0x0,
width = 0x0,
height = 0x0
},
image_id = 0x0
},
comp = {
object = 0x0
},
stretch = {
object = 0x0
}
},
position = {
charpos = 0x0,
bytepos = 0x0
},
current = {
pos = {
charpos = 0x0,
bytepos = 0x0
},
overlay_string_index = 0x0,
string_pos = {
charpos = 0x0,
bytepos = 0x0
},
dpvec_index = 0x0
},
from_overlay = 0x0,
area = LEFT_MARGIN_AREA,
method = GET_FROM_BUFFER,
multibyte_p = 0x0,
string_from_display_prop_p = 0x0,
display_ellipsis_p = 0x0,
avoid_cursor_p = 0x0,
line_wrap = TRUNCATE,
voffset = 0x0,
space_width = 0x0,
font_height = 0x0
}},
sp = 0x0,
selective = 0x0,
what = IT_CHARACTER,
face_id = 0x0,
selective_display_ellipsis_p = 0x0,
ctl_arrow_p = 0x1,
face_box_p = 0x0,
start_of_box_run_p = 0x0,
end_of_box_run_p = 0x0,
overlay_strings_at_end_processed_p = 0x0,
ignore_overlay_strings_at_pos_p = 0x0,
glyph_not_available_p = 0x0,
starts_in_middle_of_char_p = 0x0,
face_before_selective_p = 0x0,
constrain_row_ascent_descent_p = 0x0,
line_wrap = TRUNCATE,
base_face_id = 0x0,
c = 0xa,
len = 0x1,
cmp_it = {
stop_pos = 0x719,
id = 0xffffffff,
ch = 0xfffffffe,
lookback = 0x0,
nglyphs = 0x0,
nchars = 0x0,
nbytes = 0x0,
from = 0x0,
to = 0x0,
width = 0x0
},
char_to_display = 0x20,
image_id = 0x0,
slice = {
x = 0x2b36802,
y = 0x2b36802,
width = 0x2b36802,
height = 0x2b36802
},
space_width = 0x2b36802,
voffset = 0x0,
tab_width = 0x8,
font_height = 0x2b36802,
object = 0x48b4005,
position = {
charpos = 0x718,
bytepos = 0x758
},
truncation_pixel_width = 0x0,
continuation_pixel_width = 0x0,
first_visible_x = 0x0,
last_visible_x = 0x333,
last_visible_y = 0x134,
extra_line_spacing = 0x0,
max_extra_line_spacing = 0x0,
override_ascent = 0xffffffff,
override_descent = 0x0,
override_boff = 0x0,
glyph_row = 0x380a098,
area = TEXT_AREA,
nglyphs = 0x1,
pixel_width = 0x7,
ascent = 0xb,
descent = 0x3,
max_ascent = 0xb,
max_descent = 0x3,
phys_ascent = 0xb,
phys_descent = 0x3,
max_phys_ascent = 0xb,
max_phys_descent = 0x3,
current_x = 0x333,
continuation_lines_width = 0x0,
current_y = 0x62,
first_vpos = 0x1,
vpos = 0x6,
hpos = 0x75,
left_user_fringe_bitmap = 0x0,
right_user_fringe_bitmap = 0x0,
left_user_fringe_face_id = 0x0,
right_user_fringe_face_id = 0x0
}
top = {
charpos = 0x1,
bytepos = 0x1
}
visible_p = 0x1
old_buffer = 0x0
#1 0x010d0859 in Fpos_visible_in_window_p (pos=0x16b4, window=0x307c805,
partially=0x2b36802)
at window.c:352
w = 0x307c800
posint = 0x5ad
buf = 0x48b4000
top = {
charpos = 0x1,
bytepos = 0x1
}
in_window = 0x2b36802
rtop = 0x48b4000
rbot = 0x2b6d0f0
rowh = 0x2b638c2
vpos = 0x119bf77
fully_p = 0x1
x = 0x1
y = 0x48b4000
#2 0x010234f7 in Ffuncall (nargs=0x3, args=0x82f1b0) at eval.c:3030
fun = 0x138e5fd
original_fun = 0x2b69c92
funcar = 0x1
numargs = 0x2
lisp_numargs = 0x10a6d98
val = 0x4
backtrace = {
next = 0x82f380,
function = 0x82f1b0,
args = 0x82f1b4,
nargs = 0x2,
evalargs = 0x0,
debug_on_exit = 0x0
}
internal_args = 0x82f110
i = 0x3
#3 0x0116962f in Fbyte_code (bytestr=0x37e15b1, vector=0x3988605,
maxdepth=0x10) at bytecode.c:680
count = 0xd
op = 0x2
vectorp = 0x3988608
bytestr_length = 0xae
stack = {
pc = 0x33c6c06 "„†",
top = 0x82f1b8,
bottom = 0x82f1b0,
byte_string = 0x37e15b1,
byte_string_start = 0x33c6b90 "\b…",
constants = 0x3988605,
next = 0x82f4f0
}
top = 0x82f1b0
result = 0x0
#4 0x01023be1 in funcall_lambda (fun=0x39a4005, nargs=0x0,
arg_vector=0x82f3e8) at eval.c:3211
val = 0x6e44
syms_left = 0x2b36802
next = 0x2b8f582
count = 0xd
i = 0x0
optional = 0x0
rest = 0x0
#5 0x010236c0 in Ffuncall (nargs=0x1, args=0x82f3e4) at eval.c:3070
fun = 0x39a4005
original_fun = 0x399bc02
funcar = 0x395c3a6
numargs = 0x0
lisp_numargs = 0x101a6d7
val = 0x6e44
backtrace = {
next = 0x82f5b0,
function = 0x82f3e4,
args = 0x82f3e8,
nargs = 0x0,
evalargs = 0x0,
debug_on_exit = 0x0
}
internal_args = 0x82f3e8
i = 0x3c40ea3
#6 0x0116962f in Fbyte_code (bytestr=0x37f4ee1, vector=0x39aae05,
maxdepth=0x10) at bytecode.c:680
count = 0xd
op = 0x0
vectorp = 0x39aae08
bytestr_length = 0x73
stack = {
pc = 0x33c8060 "ˆ\016\030ƒi",
top = 0x82f3e4,
bottom = 0x82f3e0,
byte_string = 0x37f4ee1,
byte_string_start = 0x33c800c "Æ\b!ƒ\021",
constants = 0x39aae05,
next = 0x82f730
}
top = 0x82f3e4
result = 0x0
#7 0x01023be1 in funcall_lambda (fun=0x39a9885, nargs=0x1,
arg_vector=0x82f614) at eval.c:3211
val = 0x2b36802
syms_left = 0x2b36802
next = 0x399bf1a
count = 0xb
i = 0x1
optional = 0x1
rest = 0x0
#8 0x010236c0 in Ffuncall (nargs=0x2, args=0x82f610) at eval.c:3070
fun = 0x39a9885
original_fun = 0x399bf02
funcar = 0x2b6919b
numargs = 0x1
lisp_numargs = 0x101a6d7
val = 0x82f5f8
backtrace = {
next = 0x82f7f0,
function = 0x82f610,
args = 0x82f614,
nargs = 0x1,
evalargs = 0x0,
debug_on_exit = 0x0
}
internal_args = 0x2b36802
i = 0x3a8cc93
#9 0x0116962f in Fbyte_code (bytestr=0x37f8691, vector=0x39a3a05,
maxdepth=0x14) at bytecode.c:680
count = 0x8
op = 0x1
vectorp = 0x39a3a08
bytestr_length = 0xf8
stack = {
pc = 0x33c869a "ˆ\202ñ",
top = 0x82f614,
bottom = 0x82f610,
byte_string = 0x37f8691,
byte_string_start = 0x33c8628 "p\020Æ ˆÇ`È\"‰\031ƒ\022",
constants = 0x39a3a05,
next = 0x0
}
top = 0x82f610
result = 0x82f4f4
#10 0x01023be1 in funcall_lambda (fun=0x39a9265, nargs=0x1,
arg_vector=0x82f8a4) at eval.c:3211
val = 0x0
syms_left = 0x2b36802
next = 0x2b60c4a
count = 0x5
i = 0x1
optional = 0x1
rest = 0x0
#11 0x010236c0 in Ffuncall (nargs=0x2, args=0x82f8a0) at eval.c:3070
fun = 0x39a9265
original_fun = 0x3967f7a
funcar = 0x2b36802
numargs = 0x1
lisp_numargs = 0x1005b99
val = 0x82f838
backtrace = {
next = 0x82fab0,
function = 0x82f8a0,
args = 0x82f8a4,
nargs = 0x1,
evalargs = 0x0,
debug_on_exit = 0x0
}
internal_args = 0x82f808
i = 0x2b36802
#12 0x01168b17 in Fcall_interactively (function=0x3967f7a,
record_flag=0x2b36802, keys=0x2b3bb05)
at callint.c:869
val = 0x2cadb45
args = 0x82f8a0
visargs = 0x82f880
specs = 0x37fb191
filter_specs = 0x37fb191
teml = 0x11f25dd
up_event = 0x2b36802
enable = 0x2b36802
speccount = 0x3
next_event = 0x1
prefix_arg = 0x2b36802
string = 0x82f8c0 "P"
tem = 0x13a6b5c ""
varies = 0x82f860
i = 0x2
j = 0x1
count = 0x1
foo = 0x3a73dce
prompt1 = '\000' <repeats 99 times>
tem1 = 0x0
arg_from_tty = 0x0
gcpro1 = {
next = 0x2b41e42,
var = 0x2b36802,
nvars = 0x2b36802
}
gcpro2 = {
next = 0x2b41e42,
var = 0x2b41522,
nvars = 0x82f9b8
}
gcpro3 = {
next = 0x2bcb366,
var = 0x2b41522,
nvars = 0x2
}
gcpro4 = {
next = 0x2bcb37e,
var = 0x2b36802,
nvars = 0x2
}
gcpro5 = {
next = 0x4905268,
var = 0x2b36802,
nvars = 0x2b36802
}
key_count = 0x1
record_then_fail = 0x0
save_this_command = 0x3967f7a
save_last_command = 0x3967fda
save_this_original_command = 0x3967f7a
save_real_this_command = 0x3967f7a
#13 0x010234f7 in Ffuncall (nargs=0x4, args=0x82fb20) at eval.c:3030
fun = 0x139132d
original_fun = 0x2b5b5ca
funcar = 0x2b57b33
numargs = 0x3
lisp_numargs = 0x101ac15
val = 0x82fb18
backtrace = {
next = 0x0,
function = 0x82fb20,
args = 0x82fb24,
nargs = 0x3,
evalargs = 0x0,
debug_on_exit = 0x0
}
internal_args = 0x82fb24
i = 0x2b41a12
#14 0x0102308f in call3 (fn=0x2b5b5ca, arg1=0x3967f7a, arg2=0x2b36802,
arg3=0x2b36802)
at eval.c:2850
ret_ungc_val = 0x102422a
gcpro1 = {
next = 0x35fc086,
var = 0x2b36802,
nvars = 0x4
}
args = {0x2b5b5ca, 0x3967f7a, 0x2b36802, 0x2b36802}
#15 0x01014f36 in Fcommand_execute (cmd=0x3967f7a, record_flag=0x2b36802,
keys=0x2b36802,
special=0x2b36802) at keyboard.c:10507
final = 0x39a9265
tem = 0x2b36802
prefixarg = 0x2b36802
#16 0x0100787b in command_loop_1 () at keyboard.c:1904
scount = 0x2
cmd = 0x3967f7a
lose = 0x82fcd8
keybuf = {0x80, 0x144, 0x82fc98, 0x1197215, 0x1000, 0x1bc, 0x30a8,
0x2b54a00, 0x2, 0x0,
0x2, 0x2, 0x0, 0x2, 0x82fde0, 0x0, 0x0, 0x82fcb4, 0x82fb50, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x2b36802, 0x2c0a702}
i = 0x1
prev_modiff = 0x62
prev_buffer = 0x48b4000
already_adjusted = 0x0
#17 0x01020fc4 in internal_condition_case (bfun=0x10061fd <command_loop_1>,
handlers=0x2b444da,
hfun=0x1005bee <cmd_error>) at eval.c:1490
val = 0x31f77de
c = {
tag = 0x2b36802,
val = 0x2b36802,
next = 0x82fde0,
gcpro = 0x0,
jmp = {0x82fda8, 0x7ffde000, 0x65002e, 0x650078, 0x82fcdc,
0x1020f5c, 0x82ffe0, 0x0,
0x82fdd8, 0x3, 0x1, 0x82fde4, 0x77c30065, 0x0, 0x1, 0xa452f0},
backlist = 0x0,
handlerlist = 0x0,
lisp_eval_depth = 0x0,
pdlcount = 0x2,
poll_suppress_count = 0x0,
interrupt_input_blocked = 0x0,
byte_stack = 0x0
}
h = {
handler = 0x2b444da,
var = 0x2b36802,
chosen_clause = 0x82fde4,
tag = 0x82fd20,
next = 0x0
}
#18 0x01005f62 in command_loop_2 () at keyboard.c:1360
val = 0x0
#19 0x01020ab5 in internal_catch (tag=0x2b441b2, func=0x1005f3f
<command_loop_2>, arg=0x2b36802)
at eval.c:1226
c = {
tag = 0x2b441b2,
val = 0x2b36802,
next = 0x0,
gcpro = 0x0,
jmp = {0x82fe58, 0x7ffde000, 0x65002e, 0x650078, 0x82fdcc,
0x1020aa6, 0x82ffe0, 0x0,
0x2b69aea, 0x2b691cb, 0x2b36802, 0x2b40000, 0x2f2a5f4, 0x2b36802,
0x82fe48,
0x2b691cb},
backlist = 0x0,
handlerlist = 0x0,
lisp_eval_depth = 0x0,
pdlcount = 0x2,
poll_suppress_count = 0x0,
interrupt_input_blocked = 0x0,
byte_stack = 0x0
}
#20 0x01005f18 in command_loop () at keyboard.c:1339
No locals.
#21 0x0100580a in recursive_edit_1 () at keyboard.c:954
count = 0x1
val = 0x82feb0
#22 0x0100596e in Frecursive_edit () at keyboard.c:1016
count = 0x0
buffer = 0x2b36802
#23 0x010027c6 in main (argc=0x1, argv=0xa42678) at emacs.c:1833
dummy = 0x7ffde000
stack_bottom_variable = 0x7f
do_initial_setlocale = 0x1
skip_args = 0x0
no_loadup = 0x0
junk = 0x0
dname_arg = 0x0
Lisp Backtrace:
"pos-visible-in-window-p" (0x82f1b4)
"gnus-summary-recenter" (0x82f3e8)
"gnus-summary-display-article" (0x82f614)
"gnus-summary-next-page" (0x82f8a4)
"call-interactively" (0x82fb24)
(gdb)
(gdb)
(gdb) frame
#0 0x01030355 in pos_visible_p (w=0x307c800, charpos=0x5ad, x=0x82f0c4,
y=0x82f0c0,
rtop=0x82f0d8, rbot=0x82f0d4, rowh=0x82f0d0, vpos=0x82f0cc) at xdisp.c:1396
1396 for (; glyph < end
(gdb) p rowh
$1 = (int *) 0x82f0d0
(gdb) prow
y=14 x=0 pwid=819 a+d=11+3=14 phys=11+3=14 vis=14 L=0 T=117 R=0
start=1 end=122 DISP TRUNC:R
(gdb) p w
$2 = (struct window *) 0x307c800
(gdb) pwin
Window 1 *Summary nntp+news.gmane.org:gmane.text.xml.schema.devel*
start=1 end:pos=0 vpos=3 vscroll=0
cursor: y=14 x=273 vpos=1 hpos=39 phys: y=14 x=273 vpos=1 hpos=39 ON blk=OFF
(gdb) p glyph
$3 = (struct glyph *) 0x38d0020
(gdb) pg
STRETCH[0+0] pos=0 w=5 a+d=0+0 face=47 vof=909 N/A OVL [ slice=24,909,0,0
(gdb)
--------------------------------------------------------------------------------
With charpos=0x5ad in the trace above, I ran gnus again and opened the summary
buffer for the same group. Doing 'M-x goto-char 1453' puts point on '...' in
the summary buffer, and 'M-x describe char' shows:
character: C-j (10, #o12, #xa)
preferred charset: ascii (ASCII (ISO646 IRV))
code point: 0x0A
syntax: which means: whitespace
buffer code: #x0A
file code: #x0A (encoded by coding system utf-8-dos)
display: by this font (glyph code)
uniscribe:-outline-DejaVu Sans
Mono-normal-normal-normal-mono-12-*-*-*-c-*-iso8859-1 (#x03)
Character code properties: customize what to show
name: <control>
old-name: LINE FEED (LF)
general-category: Cc (Other, Control)
There is an overlay here:
From 1453 to 1816
evaporate t
invisible gnus-sum
There are text properties here:
gnus-number 7068
--------------------------------------------------------------------------------
next prev parent reply other threads:[~2010-03-16 12:53 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-15 23:40 emacs-21.1.94 crash in gnus on Windows Andy Moreton
2010-03-16 10:33 ` Eli Zaretskii
2010-03-16 12:53 ` Andy Moreton [this message]
2010-03-16 15:26 ` David Kastrup
2010-03-16 20:34 ` Andy Moreton
2010-03-16 19:47 ` Eli Zaretskii
2010-03-16 20:42 ` Andy Moreton
2010-03-16 21:49 ` Eli Zaretskii
2010-03-20 12:19 ` Andreas Schwab
2010-03-20 15:45 ` Andreas Schwab
2010-03-20 16:20 ` Eli Zaretskii
2010-03-20 16:24 ` Andreas Schwab
2010-03-20 16:31 ` Eli Zaretskii
2010-03-24 13:50 ` Andy Moreton
2010-03-24 21:34 ` Chong Yidong
2010-03-25 4:14 ` Eli Zaretskii
2010-03-25 16:35 ` Chong Yidong
2010-03-25 19:51 ` Eli Zaretskii
2010-03-20 16:29 ` Eli Zaretskii
2010-03-20 16:46 ` Andreas Schwab
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