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bug#9006: 24.0.50; Abort in unshow_buffer/kill-buffer
From: |
Stephen Berman |
Subject: |
bug#9006: 24.0.50; Abort in unshow_buffer/kill-buffer |
Date: |
Sun, 10 Jul 2011 22:31:38 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) |
On Sun, 10 Jul 2011 15:30:33 +0200 martin rudalics <rudalics@gmx.at> wrote:
>> Is window-point set to 1 as a side effect of making the temporary
>> buffer?
>
> No. It happens because I used BEG instead of the buffer's point.
>
>>> Rather _you_ did set the old
>>> buffer's window point to 1 and it stays put there when you set w->buffer
>>> to old_buffer upon exiting `vertical-motion'.
>>
>> Do you have a suggestion how to reset point?
>
> I attached I patch. It compiles but is hardly trustworthy. For
> example, old_buffer might have got killed in the meantime.
I applied the patch and rebuilt Emacs, then started with my
initializations under gdb. Emacs came up fine, then I type C-h C-a and
it aborted in unshow_buffer; the backtrace is almost identical to the
one I posted previously. Then I started Emacs again, started Gnus, as
with your first suggested patch with set_marker_both (w->buffer, BEG,
BEGV) the display was unstable (unselected window at first blank, then
blank fringe), then tried `h' and it worked a few times but the response
was slow, and then (after `h' not C-g) Emacs aborted in unshow_buffer;
backtrace below. Just out of curiosity (since I don't understand the
code), I rebuilt again with the following call (old_buffer instead of
w->buffer):
set_marker_both
(w->pointm, old_buffer, BUF_PT (current_buffer), BUF_PT_BYTE
(current_buffer));
This did not cause an abort with C-h C-a nor with h in Gnus, but it
showed the same problem of point in the non-selected window jumping to
point-min, despite not passing BEG and BEGV.
Steve Berman
#0 abort () at /data/steve/bzr/emacs/quickfixes/src/emacs.c:379
No locals.
#1 0x080a71a7 in unshow_buffer (w=0xa881840)
at /data/steve/bzr/emacs/quickfixes/src/window.c:1801
buf = 175435581
b = 0xa74ef38
#2 0x080ae5a5 in delete_all_subwindows (window=176691269)
at /data/steve/bzr/emacs/quickfixes/src/window.c:5750
w = 0xa881840
#3 0x080af93f in Fdelete_other_windows_internal (window=141161989, root=
175703581) at /data/steve/bzr/emacs/quickfixes/src/window.c:2753
w = 0x869f600
r = 0xa790618
s = <value optimized out>
f = 0x86e2b00
sibling = <value optimized out>
pwindow = <value optimized out>
swindow = <value optimized out>
delta = <value optimized out>
startpos = 1
top = 0
new_top = <value optimized out>
resize_failed = <value optimized out>
#4 0x081ab1d8 in Ffuncall (nargs=3, args=0xbfffe070)
at /data/steve/bzr/emacs/quickfixes/src/eval.c:3012
fun = <value optimized out>
original_fun = <value optimized out>
funcar = <value optimized out>
numargs = 2
lisp_numargs = <value optimized out>
val = <value optimized out>
backtrace = {
next = 0xbfffe1a4,
function = 0xbfffe070,
args = 0xbfffe074,
nargs = 2,
debug_on_exit = 0
---Type <return> to continue, or q <return> to quit---
}
internal_args = 0xbfffe074
i = <value optimized out>
#5 0x081e2c26 in exec_byte_code (bytestr=<value optimized out>, vector=
136775173, maxdepth=20, args_template=138576074, nargs=0,
args=<value optimized out>)
at /data/steve/bzr/emacs/quickfixes/src/bytecode.c:785
op = <value optimized out>
vectorp = <value optimized out>
stack = {
pc = 0x83bd4a7 "\210\324\016\027!\210\325\016\027!\210Ї",
byte_string = 136775145,
byte_string_start = 0x83bd449 "\b\204T",
constants = 136775173,
next = 0xbfffe33c
}
top = 0xbfffe070
result = <value optimized out>
#6 0x081e3888 in Fbyte_code (bytestr=136775145, vector=136775173, maxdepth=20)
at /data/steve/bzr/emacs/quickfixes/src/bytecode.c:423
No locals.
#7 0x081aa61c in eval_sub (form=136775134)
at /data/steve/bzr/emacs/quickfixes/src/eval.c:2363
numargs = <value optimized out>
args_left = 138576074
i = 3
maxargs = 3
argvals = {136775145, 136775173, 20, 144317952, 17, 0, 175461590, 0}
fun = <value optimized out>
val = <value optimized out>
original_fun = <value optimized out>
original_args = 136775142
funcar = <value optimized out>
backtrace = {
next = 0xbfffe41c,
function = 0xbfffe1bc,
args = 0xbfffe184,
---Type <return> to continue, or q <return> to quit---
nargs = 3,
debug_on_exit = 0
}
#8 0x081a94e1 in internal_catch (tag=138866114, func=0x81aa180 <eval_sub>, arg=
136775134) at /data/steve/bzr/emacs/quickfixes/src/eval.c:1247
c = {
tag = 138866114,
val = 138576074,
next = 0xbfffea84,
gcpro = 0x0,
jmp = {{
__jmpbuf = {-1073749280, 136775032, 51, -1073749304, 6093792,
-894025585},
__mask_was_saved = 0,
__saved_mask = {
__val = {138576074, 1, 0, 139051442, 138576074, 3221217864,
139051466, 2, 1073741824, 3221217992, 135966707, 141161989, 139051442,
3221218228, 3221218356, 3221219972, 0, 2, 147359232, 2, 3221218004,
145845888, 136764096, 1, 3221218020, 139051464, 138992122, 3221218000,
3221218004, 138576074, 3221218332, 3221218016}
}
}},
backlist = 0xbfffe41c,
handlerlist = 0xbfffeb4c,
lisp_eval_depth = 4,
pdlcount = 16,
poll_suppress_count = 1,
interrupt_input_blocked = 0,
byte_stack = 0xbfffe33c
}
#9 0x081e23e4 in exec_byte_code (bytestr=<value optimized out>, vector=
136775037, maxdepth=16, args_template=138576074, nargs=0,
args=<value optimized out>)
at /data/steve/bzr/emacs/quickfixes/src/bytecode.c:966
v1 = <value optimized out>
op = <value optimized out>
vectorp = <value optimized out>
---Type <return> to continue, or q <return> to quit---
stack = {
pc = 0x83bd506 "-\207",
byte_string = 136775017,
byte_string_start = 0x83bd4b5 "\b\211\030\203\063",
constants = 136775037,
next = 0xbfffe4bc
}
top = 0xbfffe2e0
result = <value optimized out>
#10 0x081aabf8 in funcall_lambda (fun=136774989, nargs=0, arg_vector=0xbfffe464)
at /data/steve/bzr/emacs/quickfixes/src/eval.c:3240
val = <value optimized out>
syms_left = 138576074
next = <value optimized out>
lexenv = 138576074
count = <value optimized out>
i = <value optimized out>
optional = <value optimized out>
rest = <value optimized out>
#11 0x081aaff3 in Ffuncall (nargs=1, args=0xbfffe460)
at /data/steve/bzr/emacs/quickfixes/src/eval.c:3070
fun = <value optimized out>
original_fun = 138968194
funcar = <value optimized out>
numargs = 0
lisp_numargs = <value optimized out>
val = <value optimized out>
backtrace = {
next = 0xbfffe59c,
function = 0xbfffe460,
args = 0xbfffe464,
nargs = 0,
debug_on_exit = 0
}
internal_args = <value optimized out>
i = <value optimized out>
#12 0x081e2c26 in exec_byte_code (bytestr=<value optimized out>, vector=
---Type <return> to continue, or q <return> to quit---
171336941, maxdepth=16, args_template=138576074, nargs=0,
args=<value optimized out>)
at /data/steve/bzr/emacs/quickfixes/src/bytecode.c:785
op = <value optimized out>
vectorp = <value optimized out>
stack = {
pc = 0x8c98721 "\210\202\202",
byte_string = 146497641,
byte_string_start = 0x8c986b0 "\306\b!\203\n",
constants = 171336941,
next = 0xbfffe63c
}
top = 0xbfffe460
result = <value optimized out>
#13 0x081aabf8 in funcall_lambda (fun=143981725, nargs=2, arg_vector=0xbfffe5e4)
at /data/steve/bzr/emacs/quickfixes/src/eval.c:3240
val = <value optimized out>
syms_left = 138576074
next = <value optimized out>
lexenv = 138576074
count = <value optimized out>
i = <value optimized out>
optional = <value optimized out>
rest = <value optimized out>
#14 0x081aaff3 in Ffuncall (nargs=3, args=0xbfffe5e0)
at /data/steve/bzr/emacs/quickfixes/src/eval.c:3070
fun = <value optimized out>
original_fun = 146011586
funcar = <value optimized out>
numargs = 2
lisp_numargs = <value optimized out>
val = <value optimized out>
backtrace = {
next = 0xbfffe71c,
function = 0xbfffe5e0,
args = 0xbfffe5e4,
nargs = 2,
---Type <return> to continue, or q <return> to quit---
debug_on_exit = 0
}
internal_args = <value optimized out>
i = <value optimized out>
#15 0x081e2c26 in exec_byte_code (bytestr=<value optimized out>, vector=
172883509, maxdepth=16, args_template=138576074, nargs=0,
args=<value optimized out>)
at /data/steve/bzr/emacs/quickfixes/src/bytecode.c:785
op = <value optimized out>
vectorp = <value optimized out>
stack = {
pc = 0xa483820 "\210\315\307\b!!\207",
byte_string = 172756425,
byte_string_start = 0xa4837f8 "\b\211\031\205\v",
constants = 172883509,
next = 0x0
}
top = 0xbfffe5e0
result = <value optimized out>
#16 0x081aabf8 in funcall_lambda (fun=172883685, nargs=0, arg_vector=0xbfffe784)
at /data/steve/bzr/emacs/quickfixes/src/eval.c:3240
val = <value optimized out>
syms_left = 138576074
next = <value optimized out>
lexenv = 138576074
count = <value optimized out>
i = <value optimized out>
optional = <value optimized out>
rest = <value optimized out>
#17 0x081aaff3 in Ffuncall (nargs=1, args=0xbfffe780)
at /data/steve/bzr/emacs/quickfixes/src/eval.c:3070
fun = <value optimized out>
original_fun = 171201106
funcar = <value optimized out>
numargs = 0
lisp_numargs = <value optimized out>
val = <value optimized out>
---Type <return> to continue, or q <return> to quit---
backtrace = {
next = 0xbfffe8ec,
function = 0xbfffe780,
args = 0xbfffe784,
nargs = 0,
debug_on_exit = 0
}
internal_args = <value optimized out>
i = <value optimized out>
#18 0x081ab5d3 in apply1 (fn=171201106, arg=138576074)
at /data/steve/bzr/emacs/quickfixes/src/eval.c:2745
ret_ungc_val = 195149784
#19 0x081a706d in Fcall_interactively (function=171201106, record_flag=
138576074, keys=138604237)
at /data/steve/bzr/emacs/quickfixes/src/callint.c:379
input = <value optimized out>
funval = <value optimized out>
events = <value optimized out>
args = <value optimized out>
visargs = <value optimized out>
specs = 138576074
filter_specs = <value optimized out>
teml = <value optimized out>
up_event = 138576074
enable = 138576074
speccount = <value optimized out>
next_event = <value optimized out>
prefix_arg = 138576074
string = 0x0
tem = <value optimized out>
varies = <value optimized out>
i = <value optimized out>
nargs = <value optimized out>
foo = <value optimized out>
prompt1 = "\000\000\000\000\000 ", '\000' <repeats 93 times>
tem1 = <value optimized out>
arg_from_tty = 0
---Type <return> to continue, or q <return> to quit---
key_count = 1
record_then_fail = 0
save_this_command = 171201106
save_last_command = 139533058
save_this_original_command = 171201106
save_real_this_command = 171201106
#20 0x081ab1c1 in Ffuncall (nargs=4, args=0xbfffe930)
at /data/steve/bzr/emacs/quickfixes/src/eval.c:3016
fun = <value optimized out>
original_fun = <value optimized out>
funcar = <value optimized out>
numargs = 3
lisp_numargs = <value optimized out>
val = <value optimized out>
backtrace = {
next = 0x0,
function = 0xbfffe930,
args = 0xbfffe934,
nargs = 3,
debug_on_exit = 0
}
internal_args = 0xbfffe934
i = <value optimized out>
#21 0x081ab471 in call3 (fn=138698938, arg1=171201106, arg2=138576074, arg3=
138576074) at /data/steve/bzr/emacs/quickfixes/src/eval.c:2809
ret_ungc_val = 195149784
args = {138698938, 171201106, 138576074, 138576074}
#22 0x0813c00f in Fcommand_execute (cmd=171201106, record_flag=138576074, keys=
138576074, special=138576074)
at /data/steve/bzr/emacs/quickfixes/src/keyboard.c:10274
final = <value optimized out>
tem = <value optimized out>
prefixarg = 138576074
#23 0x08149980 in command_loop_1 ()
at /data/steve/bzr/emacs/quickfixes/src/keyboard.c:1572
scount = 2
cmd = <value optimized out>
---Type <return> to continue, or q <return> to quit---
keybuf = {416, 135527171, 176532358, 138576098, -1073747426, 139533058,
138689802, 138576074, -1073747416, -1073747426, 138576074, 138576074,
-1073747352, 135527446, 176532358, -1073747426, 138576074, 138689800, 0, 0,
-1232775064, 2, 139002824, 139002840, -1073747384, 135973625, 2, 138828926,
23, 0}
i = <value optimized out>
prev_modiff = 122
prev_buffer = 0xa7e2828
#24 0x081a95b1 in internal_condition_case (bfun=0x8149660 <command_loop_1>,
handlers=138607114, hfun=0x813fb60 <cmd_error>)
at /data/steve/bzr/emacs/quickfixes/src/eval.c:1493
val = <value optimized out>
c = {
tag = 138576074,
val = 138576074,
next = 0xbfffeba8,
gcpro = 0x0,
jmp = {{
__jmpbuf = {0, 139002824, 139002840, -1073747096, 4971488,
-894052209},
__mask_was_saved = 0,
__saved_mask = {
__val = {1, 3087005952, 7, 142299368, 45, 142299368,
3086910040,
3065788385, 134551036, 7, 0, 3221220192, 3221220136, 0, 3087005952,
134550029, 3067970904, 3067183092, 3066786931, 7, 3221220432, 3221220128,
3221220432, 135614420, 2, 3221220292, 3221220128, 3065744920, 3067970904,
0,
4294967295, 3087003636}
}
}},
backlist = 0x0,
handlerlist = 0x0,
lisp_eval_depth = 0,
pdlcount = 2,
poll_suppress_count = 1,
interrupt_input_blocked = 0,
byte_stack = 0x0
}
---Type <return> to continue, or q <return> to quit---
h = {
handler = 138607114,
var = 138576074,
chosen_clause = 138576098,
tag = 0xbfffea84,
next = 0x0
}
#25 0x0813eae5 in command_loop_2 (ignore=138576074)
at /data/steve/bzr/emacs/quickfixes/src/keyboard.c:1156
val = 195149784
#26 0x081a94e1 in internal_catch (tag=138605090, func=
0x813eac0 <command_loop_2>, arg=138576074)
at /data/steve/bzr/emacs/quickfixes/src/eval.c:1247
c = {
tag = 138605090,
val = 138576074,
next = 0x0,
gcpro = 0x0,
jmp = {{
__jmpbuf = {0, 139002824, 139002840, -1073746824, 4725728,
-894025585},
__mask_was_saved = 0,
__saved_mask = {
__val = {0, 0, 0, 0, 0, 0, 0, 0, 3066169116, 0, 0, 0,
3066169116, 0, 0, 0, 64, 3221220408, 135893371, 138253360, 64, 14,
138741954, 138741952, 138576074, 3221220472, 135973238, 138741954,
138576074, 138576074, 1, 3221220520}
}
}},
backlist = 0x0,
handlerlist = 0x0,
lisp_eval_depth = 0,
pdlcount = 2,
poll_suppress_count = 1,
interrupt_input_blocked = 0,
byte_stack = 0x0
}
---Type <return> to continue, or q <return> to quit---
#27 0x0813f686 in command_loop ()
at /data/steve/bzr/emacs/quickfixes/src/keyboard.c:1135
No locals.
#28 recursive_edit_1 () at /data/steve/bzr/emacs/quickfixes/src/keyboard.c:756
count = 1
val = 0
#29 0x0813f982 in Frecursive_edit ()
at /data/steve/bzr/emacs/quickfixes/src/keyboard.c:820
count = <value optimized out>
buffer = 138576074
#30 0x0813aa1c in main (argc=2, argv=0xbffff084)
at /data/steve/bzr/emacs/quickfixes/src/emacs.c:1702
dummy = 1
stack_bottom_variable = 8 '\b'
do_initial_setlocale = <value optimized out>
skip_args = 0
rlim = {
rlim_cur = 8388608,
rlim_max = 18446744073709551615
}
no_loadup = 0
junk = 0x0
dname_arg = 0x0
ch_to_dir = 0x0
Lisp Backtrace:
"delete-other-windows-internal" (0xbfffe074)
"byte-code" (0xbfffe184)
"delete-other-windows" (0xbfffe464)
"gnus-configure-windows" (0xbfffe5e4)
"gnus-summary-select-article-buffer" (0xbfffe784)
"call-interactively" (0xbfffe934)
- bug#9006: 24.0.50; Abort in unshow_buffer/kill-buffer, (continued)
- bug#9006: 24.0.50; Abort in unshow_buffer/kill-buffer, martin rudalics, 2011/07/07
- bug#9006: 24.0.50; Abort in unshow_buffer/kill-buffer, Stephen Berman, 2011/07/08
- bug#9006: 24.0.50; Abort in unshow_buffer/kill-buffer, martin rudalics, 2011/07/09
- bug#9006: 24.0.50; Abort in unshow_buffer/kill-buffer, Stephen Berman, 2011/07/09
- bug#9006: 24.0.50; Abort in unshow_buffer/kill-buffer, martin rudalics, 2011/07/09
- bug#9006: 24.0.50; Abort in unshow_buffer/kill-buffer, Stephen Berman, 2011/07/09
- bug#9006: 24.0.50; Abort in unshow_buffer/kill-buffer, Stephen Berman, 2011/07/09
- bug#9006: 24.0.50; Abort in unshow_buffer/kill-buffer, martin rudalics, 2011/07/10
- bug#9006: 24.0.50; Abort in unshow_buffer/kill-buffer, Stephen Berman, 2011/07/10
- bug#9006: 24.0.50; Abort in unshow_buffer/kill-buffer, martin rudalics, 2011/07/10
- bug#9006: 24.0.50; Abort in unshow_buffer/kill-buffer,
Stephen Berman <=
- bug#9006: 24.0.50; Abort in unshow_buffer/kill-buffer, martin rudalics, 2011/07/11
- bug#9006: 24.0.50; Abort in unshow_buffer/kill-buffer, Stephen Berman, 2011/07/11
- bug#9006: 24.0.50; Abort in unshow_buffer/kill-buffer, martin rudalics, 2011/07/12
- bug#9006: 24.0.50; Abort in unshow_buffer/kill-buffer, Stephen Berman, 2011/07/12
- bug#9006: 24.0.50; Abort in unshow_buffer/kill-buffer, Stephen Berman, 2011/07/13
- bug#9006: 24.0.50; Abort in unshow_buffer/kill-buffer, Eli Zaretskii, 2011/07/13
- bug#9006: 24.0.50; Abort in unshow_buffer/kill-buffer, Stephen Berman, 2011/07/13
- bug#9006: 24.0.50; Abort in unshow_buffer/kill-buffer, Eli Zaretskii, 2011/07/13
- bug#9006: 24.0.50; Abort in unshow_buffer/kill-buffer, Stephen Berman, 2011/07/13
- bug#9006: 24.0.50; Abort in unshow_buffer/kill-buffer, martin rudalics, 2011/07/13