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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: |
Sat, 09 Jul 2011 18:27:16 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) |
On Sat, 09 Jul 2011 15:01:03 +0200 martin rudalics <rudalics@gmx.at> wrote:
>> Sure; but since I haven't found a way to induce the abort at will,
>> failing to get a crash wouldn't be conclusive evidence that this fixes
>> the problem. But I'll rebuild with it and report anything noteworthy.
>
> As I said earlier this fixes only one part of the problem. But it's the
> part responsible for the crash, I presume.
That appears to be the case, but...
>> With `buffer' the build fails; did you mean `w->buffer'? (At least the
>> build succeeds with that.)
>
> Arrgh, yes. Or current_buffer.
...with w->buffer the display is unstable, and calling `about-emacs' made
Emacs abort in unshow_buffer again, but with a different backtrace
(included below). I then replaced w->buffer with current_buffer and
rebuilt, and that was even worse: Emacs aborted before the startup was
complete; this time the backtrace was the same as in the earlier
aborts. Then I tried with old_buffer, and so far, this is working:
display is normal, about-emacs works, navigating and editing in Gnus
works (so far); I'm even running a CPU-intensive program simultaneously
as a stress test. No abort yet; I'll keep you posted.
Steve Berman
#0 abort () at /data/steve/bzr/emacs/quickfixes/src/emacs.c:379
No locals.
#1 0x080a71a7 in unshow_buffer (w=0xba68200)
at /data/steve/bzr/emacs/quickfixes/src/window.c:1801
buf = 139999749
b = 0x8583a00
#2 0x080ac9f4 in Fset_window_buffer (window=195461637, buffer_or_name=
195470965, keep_margins=138576074)
at /data/steve/bzr/emacs/quickfixes/src/window.c:3129
tem = <value optimized out>
buffer = 195470965
w = 0xba68200
#3 0x081ab181 in Ffuncall (nargs=3, args=0xbfffe2c0)
at /data/steve/bzr/emacs/quickfixes/src/eval.c:3016
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 = 0xbfffe3fc,
function = 0xbfffe2c0,
args = 0xbfffe2c4,
nargs = 2,
debug_on_exit = 0
}
internal_args = 0xbfffe230
i = <value optimized out>
#4 0x081e2be6 in exec_byte_code (bytestr=<value optimized out>, vector=
136802613, 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 = 0x83b8f30 "\210\n\204\063",
---Type <return> to continue, or q <return> to quit---
byte_string = 136802593,
byte_string_start = 0x83b8f07 "\303\b!\211\031\304 =\204*",
constants = 136802613,
next = 0xbfffe4bc
}
top = 0xbfffe2c0
result = <value optimized out>
#5 0x081aabb8 in funcall_lambda (fun=136802549, nargs=1, arg_vector=0xbfffe450)
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>
#6 0x081aafb3 in Ffuncall (nargs=2, args=0xbfffe44c)
at /data/steve/bzr/emacs/quickfixes/src/eval.c:3070
fun = <value optimized out>
original_fun = 138777882
funcar = <value optimized out>
numargs = 1
lisp_numargs = <value optimized out>
val = <value optimized out>
backtrace = {
next = 0xbfffe59c,
function = 0xbfffe44c,
args = 0xbfffe450,
nargs = 1,
debug_on_exit = 0
}
internal_args = <value optimized out>
i = <value optimized out>
#7 0x081e2be6 in exec_byte_code (bytestr=<value optimized out>, vector=
136913197, maxdepth=48, args_template=0, nargs=0, args=<value optimized
out>)
at /data/steve/bzr/emacs/quickfixes/src/bytecode.c:785
---Type <return> to continue, or q <return> to quit---
op = <value optimized out>
vectorp = <value optimized out>
stack = {
pc = 0x83a84c7 "\210\327\211\020\031\330 \210\n\203\063",
byte_string = 136913177,
byte_string_start =
0x83a84a3 "\306 \307 \310\311\312
\"r\313\314\315\316\317\320\006\a\006\a\"\321\"\322\323%DC\216\324\003!\210\325\326!\210\327\211\020\031\330
\210\n\203\063",
constants = 136913197,
next = 0xbfffe63c
}
top = 0xbfffe44c
result = <value optimized out>
#8 0x081aac11 in funcall_lambda (fun=136913149, nargs=0, arg_vector=0xbfffe5e4)
at /data/steve/bzr/emacs/quickfixes/src/eval.c:3174
val = <value optimized out>
syms_left = 0
next = <value optimized out>
lexenv = <value optimized out>
count = <value optimized out>
i = <value optimized out>
optional = <value optimized out>
rest = <value optimized out>
#9 0x081aafb3 in Ffuncall (nargs=1, args=0xbfffe5e0)
at /data/steve/bzr/emacs/quickfixes/src/eval.c:3070
fun = <value optimized out>
original_fun = 139160770
funcar = <value optimized out>
numargs = 0
lisp_numargs = <value optimized out>
val = <value optimized out>
backtrace = {
next = 0xbfffe71c,
function = 0xbfffe5e0,
args = 0xbfffe5e4,
nargs = 0,
---Type <return> to continue, or q <return> to quit---
debug_on_exit = 0
}
internal_args = <value optimized out>
i = <value optimized out>
#10 0x081e2be6 in exec_byte_code (bytestr=<value optimized out>, vector=
136917461, maxdepth=8, args_template=0, 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 = 0x83a7636 "\207\302\303!\207",
byte_string = 136917441,
byte_string_start = 0x83a762f "\300 \203\b",
constants = 136917461,
next = 0x0
}
top = 0xbfffe5e0
result = <value optimized out>
#11 0x081aac11 in funcall_lambda (fun=136917413, nargs=0, arg_vector=0xbfffe784)
at /data/steve/bzr/emacs/quickfixes/src/eval.c:3174
val = <value optimized out>
syms_left = 0
next = <value optimized out>
lexenv = <value optimized out>
count = <value optimized out>
i = <value optimized out>
optional = <value optimized out>
rest = <value optimized out>
#12 0x081aafb3 in Ffuncall (nargs=1, args=0xbfffe780)
at /data/steve/bzr/emacs/quickfixes/src/eval.c:3070
fun = <value optimized out>
original_fun = 139161034
funcar = <value optimized out>
numargs = 0
lisp_numargs = <value optimized out>
val = <value optimized out>
backtrace = {
---Type <return> to continue, or q <return> to quit---
next = 0xbfffe8ec,
function = 0xbfffe780,
args = 0xbfffe784,
nargs = 0,
debug_on_exit = 0
}
internal_args = <value optimized out>
i = <value optimized out>
#13 0x081ab593 in apply1 (fn=139161034, arg=138576074)
at /data/steve/bzr/emacs/quickfixes/src/eval.c:2745
ret_ungc_val = 195605896
#14 0x081a702d in Fcall_interactively (function=139161034, 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
key_count = 2
---Type <return> to continue, or q <return> to quit---
record_then_fail = 0
save_this_command = 139161034
save_last_command = 138968194
save_this_original_command = 139161034
save_real_this_command = 139161034
#15 0x081ab181 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>
#16 0x081ab431 in call3 (fn=138698938, arg1=139161034, arg2=138576074, arg3=
138576074) at /data/steve/bzr/emacs/quickfixes/src/eval.c:2809
ret_ungc_val = 195605896
args = {138698938, 139161034, 138576074, 138576074}
#17 0x0813c00f in Fcommand_execute (cmd=139161034, 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
#18 0x08149980 in command_loop_1 ()
at /data/steve/bzr/emacs/quickfixes/src/keyboard.c:1572
scount = 2
cmd = <value optimized out>
keybuf = {32, 4, 176324046, 138576098, -1073747426, 139533058,
---Type <return> to continue, or q <return> to quit---
138689802, 138576074, -1073747416, -1073747426, 138576074, 138576074,
-1073747352, 135527446, 176324046, -1073747426, 138576074, 138689800, 0, 0,
-1232775064, 2, 139002824, 139002840, -1073747384, 135973561, 2, 138828926,
23, 0}
i = <value optimized out>
prev_modiff = 1210
prev_buffer = 0x8583a00
#19 0x081a9571 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, -1254590365,
2143746828},
__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
}
h = {
---Type <return> to continue, or q <return> to quit---
handler = 138607114,
var = 138576074,
chosen_clause = 138576098,
tag = 0xbfffea84,
next = 0x0
}
#20 0x0813eae5 in command_loop_2 (ignore=138576074)
at /data/steve/bzr/emacs/quickfixes/src/keyboard.c:1156
val = 195605896
#21 0x081a94a1 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, -1254377373,
2143576844},
__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, 135893307, 138253360, 64, 14,
138741954, 138741952, 138576074, 3221220472, 135973174, 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
}
#22 0x0813f686 in command_loop ()
---Type <return> to continue, or q <return> to quit---
at /data/steve/bzr/emacs/quickfixes/src/keyboard.c:1135
No locals.
#23 recursive_edit_1 () at /data/steve/bzr/emacs/quickfixes/src/keyboard.c:756
count = 1
val = 0
#24 0x0813f982 in Frecursive_edit ()
at /data/steve/bzr/emacs/quickfixes/src/keyboard.c:820
count = <value optimized out>
buffer = 138576074
#25 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:
"set-window-buffer" (0xbfffe2c4)
"switch-to-buffer" (0xbfffe450)
"fancy-about-screen" (0xbfffe5e4)
"about-emacs" (0xbfffe784)
"call-interactively" (0xbfffe934)
- bug#9006: 24.0.50; Abort in unshow_buffer/kill-buffer, Stephen Berman, 2011/07/05
- bug#9006: 24.0.50; Abort in unshow_buffer/kill-buffer, martin rudalics, 2011/07/06
- bug#9006: 24.0.50; Abort in unshow_buffer/kill-buffer, Stephen Berman, 2011/07/06
- 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, 2011/07/07
- 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 <=
- 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, 2011/07/10
- 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