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* bug#26573: 25.1; emacs 25.1 crashes while I am killing a bunch of lines
@ 2017-04-20  2:57 ISHIKAWA,chiaki
  2017-04-20  3:10 ` npostavs
  2017-04-20 15:01 ` Eli Zaretskii
  0 siblings, 2 replies; 13+ messages in thread
From: ISHIKAWA,chiaki @ 2017-04-20  2:57 UTC (permalink / raw)
  To: 26573


Emacs 25.1.1 (locally compiled under Debian GNU/linux) crashed a few  
times in the
last few weeks  while I did a series of killing lines
while editing a text file.

Here is the recent stacktrace. I was editing a file with a name ending
in ".sh" suffix.
I followed the explanation in
https://www.gnu.org/software/emacs/manual/html_node/emacs/Crashing.html
to produce symbolic dump after seeing a numeric backtrace.

[I am a little surprised to see "stack_overflow" below.]

Decoded stacktrace:

sed -n 's/.*\[\(.*\)]$/\1/p' /tmp/t.out |
   addr2line -C -f -i -p -e ~/repos/emacs-25.1/src/emacs
 > emacs_backtrace at /home/ishikawa/repos/emacs-25.1/src/sysdep.c:2234
terminate_due_to_signal at /home/ishikawa/repos/emacs-25.1/src/emacs.c:375
handle_fatal_signal at /home/ishikawa/repos/emacs-25.1/src/sysdep.c:1601
deliver_thread_signal.constprop.6 at  
/home/ishikawa/repos/emacs-25.1/src/sysdep.c:1575
stack_overflow at /home/ishikawa/repos/emacs-25.1/src/sysdep.c:1673
  (inlined by) handle_sigsegv at  
/home/ishikawa/repos/emacs-25.1/src/sysdep.c:1691
?? ??:0
re_search_2 at /home/ishikawa/repos/emacs-25.1/src/regex.c:4464
search_buffer at /home/ishikawa/repos/emacs-25.1/src/search.c:1270
search_command at /home/ishikawa/repos/emacs-25.1/src/search.c:1066
Fre_search_forward at /home/ishikawa/repos/emacs-25.1/src/search.c:2265
Ffuncall at /home/ishikawa/repos/emacs-25.1/src/eval.c:2707
exec_byte_code at /home/ishikawa/repos/emacs-25.1/src/bytecode.c:880
backtrace_debug_on_exit at /home/ishikawa/repos/emacs-25.1/src/eval.c:154
  (inlined by) Ffuncall at /home/ishikawa/repos/emacs-25.1/src/eval.c:2766
exec_byte_code at /home/ishikawa/repos/emacs-25.1/src/bytecode.c:880
backtrace_debug_on_exit at /home/ishikawa/repos/emacs-25.1/src/eval.c:154
  (inlined by) Ffuncall at /home/ishikawa/repos/emacs-25.1/src/eval.c:2766
exec_byte_code at /home/ishikawa/repos/emacs-25.1/src/bytecode.c:880
funcall_lambda at /home/ishikawa/repos/emacs-25.1/src/eval.c:2927
backtrace_debug_on_exit at /home/ishikawa/repos/emacs-25.1/src/eval.c:154
  (inlined by) Ffuncall at /home/ishikawa/repos/emacs-25.1/src/eval.c:2766
exec_byte_code at /home/ishikawa/repos/emacs-25.1/src/bytecode.c:880
funcall_lambda at /home/ishikawa/repos/emacs-25.1/src/eval.c:2927
backtrace_debug_on_exit at /home/ishikawa/repos/emacs-25.1/src/eval.c:154
  (inlined by) Ffuncall at /home/ishikawa/repos/emacs-25.1/src/eval.c:2766
exec_byte_code at /home/ishikawa/repos/emacs-25.1/src/bytecode.c:880
funcall_lambda at /home/ishikawa/repos/emacs-25.1/src/eval.c:2927
backtrace_debug_on_exit at /home/ishikawa/repos/emacs-25.1/src/eval.c:154
  (inlined by) Ffuncall at /home/ishikawa/repos/emacs-25.1/src/eval.c:2766
exec_byte_code at /home/ishikawa/repos/emacs-25.1/src/bytecode.c:880
backtrace_debug_on_exit at /home/ishikawa/repos/emacs-25.1/src/eval.c:154
  (inlined by) Ffuncall at /home/ishikawa/repos/emacs-25.1/src/eval.c:2766
run_hook_wrapped_funcall at /home/ishikawa/repos/emacs-25.1/src/eval.c:2429
run_hook_with_args at /home/ishikawa/repos/emacs-25.1/src/eval.c:2509
Ffuncall at /home/ishikawa/repos/emacs-25.1/src/eval.c:2673
exec_byte_code at /home/ishikawa/repos/emacs-25.1/src/bytecode.c:880
backtrace_debug_on_exit at /home/ishikawa/repos/emacs-25.1/src/eval.c:154
  (inlined by) Ffuncall at /home/ishikawa/repos/emacs-25.1/src/eval.c:2766
exec_byte_code at /home/ishikawa/repos/emacs-25.1/src/bytecode.c:880
backtrace_debug_on_exit at /home/ishikawa/repos/emacs-25.1/src/eval.c:154
  (inlined by) Ffuncall at /home/ishikawa/repos/emacs-25.1/src/eval.c:2766
exec_byte_code at /home/ishikawa/repos/emacs-25.1/src/bytecode.c:880
backtrace_debug_on_exit at /home/ishikawa/repos/emacs-25.1/src/eval.c:154
  (inlined by) Ffuncall at /home/ishikawa/repos/emacs-25.1/src/eval.c:2766
internal_condition_case_n at /home/ishikawa/repos/emacs-25.1/src/eval.c:1391
safe__call at /home/ishikawa/repos/emacs-25.1/src/xdisp.c:2560
safe_call at /home/ishikawa/repos/emacs-25.1/src/xdisp.c:2577
XCDR at /home/ishikawa/repos/emacs-25.1/src/lisp.h:1230
  (inlined by) handle_fontified_prop at  
/home/ishikawa/repos/emacs-25.1/src/xdisp.c:3784
handle_stop at /home/ishikawa/repos/emacs-25.1/src/xdisp.c:3373
next_element_from_buffer at /home/ishikawa/repos/emacs-25.1/src/xdisp.c:8323
ishikawa@ip030:/home/ishikawa/Dropbox/PC-DIR/DELL-T5610-DIR$


Here is my environment produced by


In GNU Emacs 25.1.1 (x86_64-unknown-linux-gnu, GTK+ Version 3.22.5)
  of 2017-01-07 built on ip030
Windowing system distributor 'The X.Org Foundation', version 11.0.11902000
System Description:	Debian GNU/Linux 9.0 (stretch)

Configured using:
  'configure --with-x-toolkit=gtk --without-xim'

Configured features:
XPM JPEG TIFF GIF PNG SOUND DBUS GCONF GSETTINGS NOTIFY LIBSELINUX
LIBXML2 FREETYPE XFT ZLIB TOOLKIT_SCROLL_BARS GTK3 X11

Important settings:
   value of $LANG: ja_JP.UTF-8
   value of $XMODIFIERS: @im=kinput2
   locale-coding-system: utf-8-unix

Major mode: Info

Minor modes in effect:
   shell-dirtrack-mode: t
   global-whitespace-mode: t
   tooltip-mode: t
   global-eldoc-mode: t
   electric-indent-mode: t
   mouse-wheel-mode: t
   tool-bar-mode: t
   menu-bar-mode: t
   file-name-shadow-mode: t
   global-font-lock-mode: t
   font-lock-mode: t
   blink-cursor-mode: t
   auto-composition-mode: t
   auto-encryption-mode: t
   auto-compression-mode: t
   buffer-read-only: t
   line-number-mode: t
   transient-mark-mode: t

Recent messages:
Quit
Type C-x 1 to delete the help window.
<<< Type SPC or RET to bury the buffer list >>>
Mark set
Mark activated
Mark set
Saved text from "sed -n 's/.*\[\(.*\)]$/\1/p' /tmp/t.out "
Composing main Info directory...done
Mark saved where search started [2 times]
<<< Type SPC or RET to bury the buffer list >>> [2 times]
user-error: No cross-references in this node [2 times]

Load-path shadows:
/home/ishikawa/bin/org/org-pcomplete hides  
/home/ishikawa/repos/emacs-25.1/lisp/org/org-pcomplete
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/home/ishikawa/bin/ispell
/home/ishikawa/.emacs.d/elpa/japanese-holidays-20160927.2318/japanese-holidays  
hides /home/ishikawa/bin/japanese-holidays
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/home/ishikawa/bin/spell
/home/ishikawa/.emacs.d/elpa/igrep-20130824.507/igrep hides  
/home/ishikawa/bin/igrep

Features:
(shadow sort mail-extr warnings jka-compr info shell pcomplete comint
ring dired-aux edmacro kmacro misearch multi-isearch ebuff-menu
sh-script smie executable ansi-color disp-table whitespace finder-inf
package seq ffap thingatpt url-parse auth-source cl-seq eieio byte-opt
bytecomp byte-compile cl-extra cconv eieio-core cl-macs gv url-vars
its/hira egg egg-com egg-cnv egg-mlh menudiag its its-keydef egg-edep
server rmail emacsbug message dired format-spec rfc822 mml mml-sec
password-cache epg epg-config gnus-util mm-decode mm-bodies mm-encode
mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047
rfc2045 ietf-drums mm-util help-fns help-mode easymenu cl-loaddefs pcase
cl-lib mail-prsvr mail-utils lpr autoinsert time-date mule-util
japan-util tooltip eldoc electric uniquify ediff-hook vc-hooks
lisp-float-type mwheel x-win term/common-win x-dnd tool-bar dnd fontset
image regexp-opt fringe tabulated-list newcomment elisp-mode lisp-mode
prog-mode register page menu-bar rfn-eshadow timer select scroll-bar
mouse jit-lock font-lock syntax facemenu font-core frame cl-generic cham
georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao
korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech
european ethiopic indian cyrillic chinese charscript case-table epa-hook
jka-cmpr-hook help simple abbrev minibuffer cl-preloaded nadvice
loaddefs button faces cus-face macroexp files text-properties overlay
sha1 md5 base64 format env code-pages mule custom widget
hashtable-print-readable backquote dbusbind inotify dynamic-setting
system-font-setting font-render-setting move-toolbar gtk x-toolkit x
multi-tty make-network-process emacs)

Memory information:
((conses 16 249593 32008)
  (symbols 48 29776 0)
  (miscs 40 557 916)
  (strings 32 56014 11814)
  (string-bytes 1 1456223)
  (vectors 16 35572)
  (vector-slots 8 1386296 177122)
  (floats 8 238 604)
  (intervals 56 9019 118)
  (buffers 976 30))





^ permalink raw reply	[flat|nested] 13+ messages in thread

* bug#26573: 25.1; emacs 25.1 crashes while I am killing a bunch of lines
  2017-04-20  2:57 bug#26573: 25.1; emacs 25.1 crashes while I am killing a bunch of lines ISHIKAWA,chiaki
@ 2017-04-20  3:10 ` npostavs
  2017-04-20  4:38   ` ISHIKAWA,chiaki
  2017-04-20 15:01 ` Eli Zaretskii
  1 sibling, 1 reply; 13+ messages in thread
From: npostavs @ 2017-04-20  3:10 UTC (permalink / raw)
  To: ISHIKAWA,chiaki; +Cc: 26573

"ISHIKAWA,chiaki" <ishikawa@yk.rim.or.jp> writes:

> Emacs 25.1.1 (locally compiled under Debian GNU/linux) crashed a few
> times

> re_search_2 at /home/ishikawa/repos/emacs-25.1/src/regex.c:4464
> search_buffer at /home/ishikawa/repos/emacs-25.1/src/search.c:1270
> search_command at /home/ishikawa/repos/emacs-25.1/src/search.c:1066
> Fre_search_forward at /home/ishikawa/repos/emacs-25.1/src/search.c:2265

This looks like it could be #24358.  Is ralloc.c being compiled? (i.e,
do you have a ralloc.o object file produced by compilation?)  Does it
help if you reconfigure with './configure REL_ALLOC=no' and/or try
compiling the 25.2 rc?





^ permalink raw reply	[flat|nested] 13+ messages in thread

* bug#26573: 25.1; emacs 25.1 crashes while I am killing a bunch of lines
  2017-04-20  3:10 ` npostavs
@ 2017-04-20  4:38   ` ISHIKAWA,chiaki
  2017-04-20  8:16     ` ishikawa
  2017-06-24 21:52     ` npostavs
  0 siblings, 2 replies; 13+ messages in thread
From: ISHIKAWA,chiaki @ 2017-04-20  4:38 UTC (permalink / raw)
  To: npostavs; +Cc: 26573

On 2017/04/20 12:10, npostavs@users.sourceforge.net wrote:
> "ISHIKAWA,chiaki" <ishikawa@yk.rim.or.jp> writes:
>
>> Emacs 25.1.1 (locally compiled under Debian GNU/linux) crashed a few
>> times
>
>> re_search_2 at /home/ishikawa/repos/emacs-25.1/src/regex.c:4464
>> search_buffer at /home/ishikawa/repos/emacs-25.1/src/search.c:1270
>> search_command at /home/ishikawa/repos/emacs-25.1/src/search.c:1066
>> Fre_search_forward at /home/ishikawa/repos/emacs-25.1/src/search.c:2265
>
> This looks like it could be #24358.  Is ralloc.c being compiled? (i.e,
> do you have a ralloc.o object file produced by compilation?)  Does it
> help if you reconfigure with './configure REL_ALLOC=no' and/or try
> compiling the 25.2 rc?
>
>

Thank you for the tips.

Since I configured emacs with

> Configured using:
>  'configure --with-x-toolkit=gtk --without-xim'

I think it is likely that I have ralloc.o.
Let me re-compile emacs with the suggested additional
and work with it for a few weeks.
Based on the frequency of the crashes I observed if the new binary does  
not crash in a month, the bug would have been solved.

TIA







^ permalink raw reply	[flat|nested] 13+ messages in thread

* bug#26573: 25.1; emacs 25.1 crashes while I am killing a bunch of lines
  2017-04-20  4:38   ` ISHIKAWA,chiaki
@ 2017-04-20  8:16     ` ishikawa
  2017-04-20 10:31       ` Tino Calancha
  2017-06-24 21:52     ` npostavs
  1 sibling, 1 reply; 13+ messages in thread
From: ishikawa @ 2017-04-20  8:16 UTC (permalink / raw)
  To: npostavs; +Cc: 26573, ISHIKAWA,chiaki

On 2017年04月20日 13:38, ISHIKAWA,chiaki wrote:
> On 2017/04/20 12:10, npostavs@users.sourceforge.net wrote:
>> "ISHIKAWA,chiaki" <ishikawa@yk.rim.or.jp> writes:
>>
>>> Emacs 25.1.1 (locally compiled under Debian GNU/linux) crashed a few
>>> times
>>
>>> re_search_2 at /home/ishikawa/repos/emacs-25.1/src/regex.c:4464
>>> search_buffer at /home/ishikawa/repos/emacs-25.1/src/search.c:1270
>>> search_command at /home/ishikawa/repos/emacs-25.1/src/search.c:1066
>>> Fre_search_forward at /home/ishikawa/repos/emacs-25.1/src/search.c:2265
>>
>> This looks like it could be #24358.  Is ralloc.c being compiled? (i.e,
>> do you have a ralloc.o object file produced by compilation?)  Does it
>> help if you reconfigure with './configure REL_ALLOC=no' and/or try
>> compiling the 25.2 rc?
>>
>>
>
> Thank you for the tips.
>
> Since I configured emacs with
>
>> Configured using:
>>  'configure --with-x-toolkit=gtk --without-xim'
>
> I think it is likely that I have ralloc.o.
> Let me re-compile emacs with the suggested additional
> and work with it for a few weeks.
> Based on the frequency of the crashes I observed if the new binary does
> not crash in a month, the bug would have been solved.
>
> TIA
>
>
Sorry, I am not familiar with pre-release source tar balls, etc.

Where exactly can I find emacs 25.2 rc?

TIA







^ permalink raw reply	[flat|nested] 13+ messages in thread

* bug#26573: 25.1; emacs 25.1 crashes while I am killing a bunch of lines
  2017-04-20  8:16     ` ishikawa
@ 2017-04-20 10:31       ` Tino Calancha
  2017-04-20 14:04         ` ISHIKAWA,chiaki
  0 siblings, 1 reply; 13+ messages in thread
From: Tino Calancha @ 2017-04-20 10:31 UTC (permalink / raw)
  To: ishikawa; +Cc: npostavs, 26573, tino.calancha

ishikawa <ishikawa@yk.rim.or.jp> writes:

> On 2017年04月20日 13:38, ISHIKAWA,chiaki wrote:
>> On 2017/04/20 12:10, npostavs@users.sourceforge.net wrote:
>>> "ISHIKAWA,chiaki" <ishikawa@yk.rim.or.jp> writes:
>>>
>>>> Emacs 25.1.1 (locally compiled under Debian GNU/linux) crashed a few
>>>> times
>>>
>>>> re_search_2 at /home/ishikawa/repos/emacs-25.1/src/regex.c:4464
>>>> search_buffer at /home/ishikawa/repos/emacs-25.1/src/search.c:1270
>>>> search_command at /home/ishikawa/repos/emacs-25.1/src/search.c:1066
>>>> Fre_search_forward at /home/ishikawa/repos/emacs-25.1/src/search.c:2265
>>>
>>> This looks like it could be #24358.  Is ralloc.c being compiled? (i.e,
>>> do you have a ralloc.o object file produced by compilation?)  Does it
>>> help if you reconfigure with './configure REL_ALLOC=no' and/or try
>>> compiling the 25.2 rc?
>>>
>>>
>>
>> Thank you for the tips.
>>
>> Since I configured emacs with
>>
>>> Configured using:
>>>  'configure --with-x-toolkit=gtk --without-xim'
>>
>> I think it is likely that I have ralloc.o.
>> Let me re-compile emacs with the suggested additional
>> and work with it for a few weeks.
>> Based on the frequency of the crashes I observed if the new binary does
>> not crash in a month, the bug would have been solved.
>>
>> TIA
>>
>>
> Sorry, I am not familiar with pre-release source tar balls, etc.
>
> Where exactly can I find emacs 25.2 rc?

Here:
ftp://alpha.gnu.org/gnu/emacs/pretest/emacs-25.2-rc2.tar.xz

You can get the PGP signature at:
ftp://alpha.gnu.org/gnu/emacs/pretest/emacs-25.2-rc2.tar.xz.sig





^ permalink raw reply	[flat|nested] 13+ messages in thread

* bug#26573: 25.1; emacs 25.1 crashes while I am killing a bunch of lines
  2017-04-20 10:31       ` Tino Calancha
@ 2017-04-20 14:04         ` ISHIKAWA,chiaki
  2017-04-20 15:00           ` Eli Zaretskii
  0 siblings, 1 reply; 13+ messages in thread
From: ISHIKAWA,chiaki @ 2017-04-20 14:04 UTC (permalink / raw)
  To: Tino Calancha; +Cc: 26573, npostavs

On 2017/04/20 19:31, Tino Calancha wrote:
> ishikawa <ishikawa@yk.rim.or.jp> writes:
>
>> On 2017年04月20日 13:38, ISHIKAWA,chiaki wrote:
>>> On 2017/04/20 12:10, npostavs@users.sourceforge.net wrote:
>>>> "ISHIKAWA,chiaki" <ishikawa@yk.rim.or.jp> writes:
>>>>
>>>>> Emacs 25.1.1 (locally compiled under Debian GNU/linux) crashed a few
>>>>> times
>>>>
>>>>> re_search_2 at /home/ishikawa/repos/emacs-25.1/src/regex.c:4464
>>>>> search_buffer at /home/ishikawa/repos/emacs-25.1/src/search.c:1270
>>>>> search_command at /home/ishikawa/repos/emacs-25.1/src/search.c:1066
>>>>> Fre_search_forward at /home/ishikawa/repos/emacs-25.1/src/search.c:2265
>>>>
>>>> This looks like it could be #24358.  Is ralloc.c being compiled? (i.e,
>>>> do you have a ralloc.o object file produced by compilation?)  Does it
>>>> help if you reconfigure with './configure REL_ALLOC=no' and/or try
>>>> compiling the 25.2 rc?
>>>>
>>>>
>>>
>>> Thank you for the tips.
>>>
>>> Since I configured emacs with
>>>
>>>> Configured using:
>>>>  'configure --with-x-toolkit=gtk --without-xim'
>>>
>>> I think it is likely that I have ralloc.o.
>>> Let me re-compile emacs with the suggested additional
>>> and work with it for a few weeks.
>>> Based on the frequency of the crashes I observed if the new binary does
>>> not crash in a month, the bug would have been solved.
>>>
>>> TIA
>>>
>>>
>> Sorry, I am not familiar with pre-release source tar balls, etc.
>>
>> Where exactly can I find emacs 25.2 rc?
>
> Here:
> ftp://alpha.gnu.org/gnu/emacs/pretest/emacs-25.2-rc2.tar.xz
>
> You can get the PGP signature at:
> ftp://alpha.gnu.org/gnu/emacs/pretest/emacs-25.2-rc2.tar.xz.sig
>


Thank you.

I will check with the new source with REL_ALLOC=no








^ permalink raw reply	[flat|nested] 13+ messages in thread

* bug#26573: 25.1; emacs 25.1 crashes while I am killing a bunch of lines
  2017-04-20 14:04         ` ISHIKAWA,chiaki
@ 2017-04-20 15:00           ` Eli Zaretskii
  0 siblings, 0 replies; 13+ messages in thread
From: Eli Zaretskii @ 2017-04-20 15:00 UTC (permalink / raw)
  To: ISHIKAWA,chiaki; +Cc: tino.calancha, 26573, npostavs

> From: "ISHIKAWA,chiaki" <ishikawa@yk.rim.or.jp>
> Date: Thu, 20 Apr 2017 23:04:46 +0900
> Cc: 26573@debbugs.gnu.org, npostavs@users.sourceforge.net
> 
> >> Where exactly can I find emacs 25.2 rc?
> >
> > Here:
> > ftp://alpha.gnu.org/gnu/emacs/pretest/emacs-25.2-rc2.tar.xz
> >
> > You can get the PGP signature at:
> > ftp://alpha.gnu.org/gnu/emacs/pretest/emacs-25.2-rc2.tar.xz.sig
> >
> 
> 
> Thank you.
> 
> I will check with the new source with REL_ALLOC=no

With Emacs 25.2, you don't need an explicit REL_ALLOC=no, as that is
the default.





^ permalink raw reply	[flat|nested] 13+ messages in thread

* bug#26573: 25.1; emacs 25.1 crashes while I am killing a bunch of lines
  2017-04-20  2:57 bug#26573: 25.1; emacs 25.1 crashes while I am killing a bunch of lines ISHIKAWA,chiaki
  2017-04-20  3:10 ` npostavs
@ 2017-04-20 15:01 ` Eli Zaretskii
  1 sibling, 0 replies; 13+ messages in thread
From: Eli Zaretskii @ 2017-04-20 15:01 UTC (permalink / raw)
  To: ISHIKAWA,chiaki; +Cc: 26573

> From: "ISHIKAWA,chiaki" <ishikawa@yk.rim.or.jp>
> Date: Thu, 20 Apr 2017 11:57:02 +0900
> 
> 
> [I am a little surprised to see "stack_overflow" below.]

That's normal: the SIGSEGV handler checks whether the segfault was due
to a stack overflow, and if so, it can recover.





^ permalink raw reply	[flat|nested] 13+ messages in thread

* bug#26573: 25.1; emacs 25.1 crashes while I am killing a bunch of lines
  2017-04-20  4:38   ` ISHIKAWA,chiaki
  2017-04-20  8:16     ` ishikawa
@ 2017-06-24 21:52     ` npostavs
  2017-06-24 22:12       ` ISHIKAWA,chiaki
  1 sibling, 1 reply; 13+ messages in thread
From: npostavs @ 2017-06-24 21:52 UTC (permalink / raw)
  To: ISHIKAWA,chiaki; +Cc: 26573

close 26573 
quit

"ISHIKAWA,chiaki" <ishikawa@yk.rim.or.jp> writes:

> I think it is likely that I have ralloc.o.
> Let me re-compile emacs with the suggested additional
> and work with it for a few weeks.
> Based on the frequency of the crashes I observed if the new binary
> does not crash in a month, the bug would have been solved.

Since it's been over 2 months, I'll close the bug.  By the way, if you
can upgrade to 25.2 you might be better off configuring with
REL_ALLOC=yes, as disabling ralloc can lead to excessive memory
consumption (see https://debbugs.gnu.org/cgi/bugreport.cgi?bug=26952).





^ permalink raw reply	[flat|nested] 13+ messages in thread

* bug#26573: 25.1; emacs 25.1 crashes while I am killing a bunch of lines
  2017-06-24 21:52     ` npostavs
@ 2017-06-24 22:12       ` ISHIKAWA,chiaki
  2017-06-24 22:45         ` npostavs
  0 siblings, 1 reply; 13+ messages in thread
From: ISHIKAWA,chiaki @ 2017-06-24 22:12 UTC (permalink / raw)
  To: npostavs; +Cc: 26573

Hi,

Thank you for the tips.

I have not seen the crashes any more (before the change, I saw emacs 
crash a few times a week...)

BUT, I noticed a strange swap usage and excessive paging now and then 
lately and not sure what it was.
Maybe it is because of this bug 26952. I will recompile emacs.

Yes, it is too bad that emacs has become a little unstable.
Maybe the distributed souce code management system may have something to 
do with it. Before, developers were very careful and use only a single 
master repository thus messing it up would have been a cardinal sin, but
nowadays, people can create various branches and merge them (at least so 
that it builds/compiles). BUT, the runtime behavior may suffer.
Just my guess.

Thank you again!

Happy Hacking (as RMS used to say)

Chiaki


On 2017/06/25 6:52, npostavs@users.sourceforge.net wrote:
> close 26573
> quit
> 
> "ISHIKAWA,chiaki" <ishikawa@yk.rim.or.jp> writes:
> 
>> I think it is likely that I have ralloc.o.
>> Let me re-compile emacs with the suggested additional
>> and work with it for a few weeks.
>> Based on the frequency of the crashes I observed if the new binary
>> does not crash in a month, the bug would have been solved.
> 
> Since it's been over 2 months, I'll close the bug.  By the way, if you
> can upgrade to 25.2 you might be better off configuring with
> REL_ALLOC=yes, as disabling ralloc can lead to excessive memory
> consumption (see https://debbugs.gnu.org/cgi/bugreport.cgi?bug=26952).
> 
> 






^ permalink raw reply	[flat|nested] 13+ messages in thread

* bug#26573: 25.1; emacs 25.1 crashes while I am killing a bunch of lines
  2017-06-24 22:12       ` ISHIKAWA,chiaki
@ 2017-06-24 22:45         ` npostavs
  2017-06-25  4:26           ` ISHIKAWA,chiaki
  0 siblings, 1 reply; 13+ messages in thread
From: npostavs @ 2017-06-24 22:45 UTC (permalink / raw)
  To: ISHIKAWA,chiaki; +Cc: 26573

"ISHIKAWA,chiaki" <ishikawa@yk.rim.or.jp> writes:

> Yes, it is too bad that emacs has become a little unstable.
> Maybe the distributed souce code management system may have something
> to do with it. Before, developers were very careful and use only a
> single master repository thus messing it up would have been a cardinal
> sin, but
> nowadays, people can create various branches and merge them (at least
> so that it builds/compiles). BUT, the runtime behavior may suffer.
> Just my guess.

These problems with the allocater have actually been triggered by a
glibc change.  The malloc hooks were dropped which forces Emacs to use a
different configuration that had not been widely tested for a long time,
so meanwhile bugs had crept in.






^ permalink raw reply	[flat|nested] 13+ messages in thread

* bug#26573: 25.1; emacs 25.1 crashes while I am killing a bunch of lines
  2017-06-24 22:45         ` npostavs
@ 2017-06-25  4:26           ` ISHIKAWA,chiaki
  2017-06-25 12:07             ` npostavs
  0 siblings, 1 reply; 13+ messages in thread
From: ISHIKAWA,chiaki @ 2017-06-25  4:26 UTC (permalink / raw)
  To: npostavs; +Cc: 26573

On 2017/06/25 7:45, npostavs@users.sourceforge.net wrote:
> "ISHIKAWA,chiaki" <ishikawa@yk.rim.or.jp> writes:
> 
>> Yes, it is too bad that emacs has become a little unstable.
>> Maybe the distributed souce code management system may have something
>> to do with it. Before, developers were very careful and use only a
>> single master repository thus messing it up would have been a cardinal
>> sin, but
>> nowadays, people can create various branches and merge them (at least
>> so that it builds/compiles). BUT, the runtime behavior may suffer.
>> Just my guess.
> 
> These problems with the allocater have actually been triggered by a
> glibc change.  The malloc hooks were dropped which forces Emacs to use a
> different configuration that had not been widely tested for a long time,
> so meanwhile bugs had crept in.
> 

So a different reason. I came to my pet conclusion too fast.

I suspect that "configure" is a very difficult code to write correctly.

Again, thank you for your e-mails.

Emacs has been maintained in good condition by people like you.

So thank you very much!

Chiaki







^ permalink raw reply	[flat|nested] 13+ messages in thread

* bug#26573: 25.1; emacs 25.1 crashes while I am killing a bunch of lines
  2017-06-25  4:26           ` ISHIKAWA,chiaki
@ 2017-06-25 12:07             ` npostavs
  0 siblings, 0 replies; 13+ messages in thread
From: npostavs @ 2017-06-25 12:07 UTC (permalink / raw)
  To: ISHIKAWA,chiaki; +Cc: 26573

"ISHIKAWA,chiaki" <ishikawa@yk.rim.or.jp> writes:

> On 2017/06/25 7:45, npostavs@users.sourceforge.net wrote:
>> "ISHIKAWA,chiaki" <ishikawa@yk.rim.or.jp> writes:
>>
>> These problems with the allocater have actually been triggered by a
>> glibc change.  The malloc hooks were dropped which forces Emacs to use a
>> different configuration that had not been widely tested for a long time,
>> so meanwhile bugs had crept in.
>>
>
> So a different reason. I came to my pet conclusion too fast.
>
> I suspect that "configure" is a very difficult code to write correctly.

Well, the "configure" code itself is okay, it's more a question of
testing all the different configurations.  What is really difficult,
pretty much impossible, is writing code correctly without ever testing
it.  Plus, I think most people working on Emacs were not even aware of
the ralloc configuration, so they couldn't know about the possibility of
bugs from it.

> Again, thank you for your e-mails.
>
> Emacs has been maintained in good condition by people like you.
>
> So thank you very much!

Testing and reporting bugs is also important to maintaining Emacs, so
thanks to you as well!

I should mention also that this stuff is solved in Emacs 26 (not yet
released), so that the standard allocater will be used once more and
there won't be a need for ralloc.
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=22086





^ permalink raw reply	[flat|nested] 13+ messages in thread

end of thread, other threads:[~2017-06-25 12:07 UTC | newest]

Thread overview: 13+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2017-04-20  2:57 bug#26573: 25.1; emacs 25.1 crashes while I am killing a bunch of lines ISHIKAWA,chiaki
2017-04-20  3:10 ` npostavs
2017-04-20  4:38   ` ISHIKAWA,chiaki
2017-04-20  8:16     ` ishikawa
2017-04-20 10:31       ` Tino Calancha
2017-04-20 14:04         ` ISHIKAWA,chiaki
2017-04-20 15:00           ` Eli Zaretskii
2017-06-24 21:52     ` npostavs
2017-06-24 22:12       ` ISHIKAWA,chiaki
2017-06-24 22:45         ` npostavs
2017-06-25  4:26           ` ISHIKAWA,chiaki
2017-06-25 12:07             ` npostavs
2017-04-20 15:01 ` Eli Zaretskii

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