* bug#48990: 28.0.50; buffer-local and threads malarkey
@ 2021-06-12 23:00 dick
2021-06-13 7:55 ` Eli Zaretskii
2021-09-29 3:28 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
0 siblings, 2 replies; 7+ messages in thread
From: dick @ 2021-06-12 23:00 UTC (permalink / raw)
To: 48990
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Seems to be a problem going back to emacs-26.3
# all good
src/emacs -Q --batch -l ./usurped.el
# buffer-local causes let-bound variable to freak out
src/emacs -Q --batch --eval "(setq confuse-thread t)" -l ./usurped.el
# buffer-local causes basic setq to freak out
src/emacs -Q --batch --eval "(setq confuse-main t)" -l ./usurped.el
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In GNU Emacs 28.0.50 (build 69, x86_64-pc-linux-gnu, GTK+ Version 3.22.30, cairo version 1.15.10)
of 2021-06-12 built on dick
Repository revision: 4c6554413d318069239ba83f4f42fa2452801d30
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.11906000
System Description: Ubuntu 18.04.4 LTS
Configured using:
'configure --prefix=/home/dick/.local --with-rsvg=yes --with-xml2=yes
--enable-profiling 'CFLAGS=-g3 -Og' CPPFLAGS=-DDEBUG_TRACE_MOVE'
Configured features:
CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GSETTINGS HARFBUZZ JPEG JSON LCMS2
LIBSELINUX LIBXML2 MODULES NOTIFY INOTIFY PDUMPER PNG RSVG SECCOMP SOUND
THREADS TIFF TOOLKIT_SCROLL_BARS X11 XDBE XIM XPM GTK3 ZLIB
Important settings:
value of $LANG: en_US.UTF-8
locale-coding-system: utf-8-unix
Major mode: Lisp Interaction
Minor modes in effect:
paredit-mode: t
show-paren-mode: t
projectile-mode: t
flx-ido-mode: t
override-global-mode: t
shell-dirtrack-mode: t
beacon-mode: t
global-hl-line-mode: t
winner-mode: t
tooltip-mode: t
mouse-wheel-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
column-number-mode: t
line-number-mode: t
transient-mark-mode: t
Load-path shadows:
/home/dick/ESS/lisp/obsolete/ess-swv hides /home/dick/ESS/lisp/ess-swv
/home/dick/ESS/lisp/obsolete/ess-rutils hides /home/dick/ESS/lisp/ess-rutils
/home/dick/ESS/lisp/obsolete/ess-noweb hides /home/dick/ESS/lisp/ess-noweb
/home/dick/ESS/lisp/obsolete/mouseme hides /home/dick/ESS/lisp/mouseme
/home/dick/ESS/lisp/obsolete/ess-mouse hides /home/dick/ESS/lisp/ess-mouse
/home/dick/ESS/lisp/obsolete/ess-noweb-mode hides /home/dick/ESS/lisp/ess-noweb-mode
/home/dick/ESS/lisp/obsolete/make-regexp hides /home/dick/ESS/lisp/make-regexp
/home/dick/ESS/lisp/obsolete/ess-r-a hides /home/dick/ESS/lisp/ess-r-a
/home/dick/ESS/lisp/obsolete/ess-noweb-font-lock-mode hides /home/dick/ESS/lisp/ess-noweb-font-lock-mode
/home/dick/gomacro-mode/gomacro-mode hides /home/dick/.emacs.d/elpa/gomacro-mode-20200326.1103/gomacro-mode
/home/dick/ESS/lisp/julia-mode hides /home/dick/.emacs.d/elpa/julia-mode-20200717.1915/julia-mode
/home/dick/ESS/lisp/julia-mode-latexsubs hides /home/dick/.emacs.d/elpa/julia-mode-20200717.1915/julia-mode-latexsubs
/home/dick/.emacs.d/elpa/hydra-20170924.2259/lv hides /home/dick/.emacs.d/elpa/lv-20191106.1238/lv
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/home/dick/.emacs.d/elpa/org-9.4.5/org-mouse hides /home/dick/emacs/lisp/org/org-mouse
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/home/dick/.emacs.d/elpa/org-9.4.5/org-goto hides /home/dick/emacs/lisp/org/org-goto
/home/dick/.emacs.d/elpa/org-9.4.5/ob-org hides /home/dick/emacs/lisp/org/ob-org
/home/dick/.emacs.d/elpa/org-9.4.5/ob-lob hides /home/dick/emacs/lisp/org/ob-lob
/home/dick/.emacs.d/elpa/org-9.4.5/ob-calc hides /home/dick/emacs/lisp/org/ob-calc
/home/dick/.emacs.d/elpa/org-9.4.5/org-macro hides /home/dick/emacs/lisp/org/org-macro
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/home/dick/.emacs.d/elpa/org-9.4.5/ob-ruby hides /home/dick/emacs/lisp/org/ob-ruby
/home/dick/.emacs.d/elpa/org-9.4.5/ob-sass hides /home/dick/emacs/lisp/org/ob-sass
/home/dick/.emacs.d/elpa/org-9.4.5/org-faces hides /home/dick/emacs/lisp/org/org-faces
/home/dick/.emacs.d/elpa/org-9.4.5/org-attach hides /home/dick/emacs/lisp/org/org-attach
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/home/dick/.emacs.d/elpa/org-9.4.5/org-id hides /home/dick/emacs/lisp/org/org-id
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Features:
(shadow sort flyspell ispell footnote mail-extr gnus-msg emacsbug paredit-ext
paredit mu4e mu4e-org mu4e-main mu4e-view mu4e-view-gnus gnus-art mm-uu
mml2015 mm-view mml-smime smime dig mu4e-view-common mu4e-headers mu4e-compose
mu4e-context mu4e-draft mu4e-actions rfc2368 smtpmail sendmail mu4e-mark
mu4e-proc mu4e-utils doc-view jka-compr image-mode exif mu4e-lists
mu4e-message flow-fill org-tempo tempo org org-macro org-footnote
org-pcomplete org-list org-faces org-entities org-version ob-R ob-emacs-lisp
ob-ein ein-cell ein-output-area ein-kernel ein-ipdb ein-query ein-events
ein-websocket websocket bindat ein-node ewoc ein-log ein-classes ein-core
request autorevert filenotify ein ein-utils deferred cc-mode cc-fonts cc-guess
cc-menus cc-cmds cc-styles cc-align cc-engine cc-vars cc-defs ob ob-tangle
org-src ob-ref ob-lob ob-table ob-exp ob-comint ob-core ob-eval org-table ol
org-keys org-compat org-macs org-loaddefs find-func cal-menu calendar
cal-loaddefs gnus-sum shr kinsoku svg dom gnus-group gnus-undo gnus-start
gnus-dbus dbus xml gnus-cloud nnimap nnmail mail-source utf7 netrc nnoo
parse-time iso8601 gnus-spec gnus-int gnus-range gnus-win gnus nnheader
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mail-parse rfc2231 rfc2047 rfc2045 mm-util ietf-drums mail-prsvr mailabbrev
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smie melpa-stats ht dash anaphora a company haskell-interactive-mode
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haskell-customize hydra lv use-package-ensure paren solarized-theme
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dired-loaddefs ibuf-ext ibuffer ibuffer-loaddefs grep flx-ido flx
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google-translate-core google-translate-tk google-translate-backend
use-package-bind-key bind-key auto-complete advice popup cus-edit pp cus-load
wid-edit ess-r-mode ess-r-flymake flymake-proc flymake warnings thingatpt
ess-r-xref xref ess-trns ess-r-package shell pcomplete ess-r-completion
ess-roxy ess-r-syntax ess-rd noutline outline hideshow ess-s-lang ess-help
ess-mode ess-inf project format-spec ess-tracebug ess ess-utils ess-custom
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derived beacon easy-mmode pcase hl-line winner ring edmacro kmacro finder-inf
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eieio-loaddefs password-cache json subr-x map url-vars seq byte-opt gv
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electric uniquify ediff-hook vc-hooks lisp-float-type mwheel term/x-win x-win
term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe
tabulated-list replace newcomment text-mode elisp-mode lisp-mode prog-mode
register page tab-bar menu-bar rfn-eshadow isearch easymenu timer select
scroll-bar mouse jit-lock font-lock syntax font-core term/tty-colors frame
minibuffer 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 composite charscript
charprop case-table epa-hook jka-cmpr-hook help simple abbrev obarray
cl-preloaded nadvice button loaddefs faces cus-face macroexp files window
text-properties overlay sha1 md5 base64 format env code-pages mule custom
widget hashtable-print-readable backquote threads dbusbind inotify lcms2
dynamic-setting system-font-setting font-render-setting cairo move-toolbar gtk
x-toolkit x multi-tty make-network-process emacs)
Memory information:
((conses 16 683719 26063)
(symbols 48 40151 1)
(strings 32 130955 6499)
(string-bytes 1 4673460)
(vectors 16 46664)
(vector-slots 8 612189 16898)
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(intervals 56 386 0)
(buffers 992 10))
^ permalink raw reply [flat|nested] 7+ messages in thread
* bug#48990: 28.0.50; buffer-local and threads malarkey
2021-06-12 23:00 bug#48990: 28.0.50; buffer-local and threads malarkey dick
@ 2021-06-13 7:55 ` Eli Zaretskii
2021-09-29 3:28 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
1 sibling, 0 replies; 7+ messages in thread
From: Eli Zaretskii @ 2021-06-13 7:55 UTC (permalink / raw)
To: dick, Stefan Monnier; +Cc: 48990
> From: dick <dick.r.chiang@gmail.com>
> Date: Sat, 12 Jun 2021 19:00:27 -0400
>
> # all good
> src/emacs -Q --batch -l ./usurped.el
>
> # buffer-local causes let-bound variable to freak out
> src/emacs -Q --batch --eval "(setq confuse-thread t)" -l ./usurped.el
>
> # buffer-local causes basic setq to freak out
> src/emacs -Q --batch --eval "(setq confuse-main t)" -l ./usurped.el
Please show the results you see in the 2 problematic cases, and please
explain what did you expect instead and why.
FWIW, I don't necessarily see anything surprising in the results: you
basically let several threads step on each other's toes by modifying
the same variable with non-deterministic relative timings. But maybe
I'm missing something, which is why I ask for details.
Or maybe Stefan could show me the light.
^ permalink raw reply [flat|nested] 7+ messages in thread
* bug#48990: 28.0.50; buffer-local and threads malarkey
2021-06-12 23:00 bug#48990: 28.0.50; buffer-local and threads malarkey dick
2021-06-13 7:55 ` Eli Zaretskii
@ 2021-09-29 3:28 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-09-29 11:51 ` dick
1 sibling, 1 reply; 7+ messages in thread
From: Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors @ 2021-09-29 3:28 UTC (permalink / raw)
To: dick; +Cc: 48990
> # buffer-local causes let-bound variable to freak out
> src/emacs -Q --batch --eval "(setq confuse-thread t)" -l ./usurped.el
I get:
failed in thread#1, var is local-4
failed in thread#2, var is local-4
failed in thread#3, var is local-4
failed in thread#0, var is local-4
succeeded in thread#4, var is let
which indeed is quite wrong, since the thread let-binds `doomsday` to
"let" and then doesn't mutate it anywhere.
Sounds like a bug in the context switch code.
Stefan
^ permalink raw reply [flat|nested] 7+ messages in thread* bug#48990: 28.0.50; buffer-local and threads malarkey
2021-09-29 3:28 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
@ 2021-09-29 11:51 ` dick
2021-09-29 12:49 ` dick
2022-02-12 20:28 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
0 siblings, 2 replies; 7+ messages in thread
From: dick @ 2021-09-29 11:51 UTC (permalink / raw)
To: Stefan Monnier; +Cc: 48990
Yes. Incidentally this bug (along with several other thread-related problems)
has been fixed in my fork.
https://github.com/dickmao/commercial-emacs
Perhaps one day soon, I will muster the inner strength to wage the political
battle to land it in GNU Emacs. Thus far though my nontrivial, wide-ranging
fixes have been met with FUD.
^ permalink raw reply [flat|nested] 7+ messages in thread
* bug#48990: 28.0.50; buffer-local and threads malarkey
2021-09-29 11:51 ` dick
@ 2021-09-29 12:49 ` dick
2022-02-12 20:28 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
1 sibling, 0 replies; 7+ messages in thread
From: dick @ 2021-09-29 12:49 UTC (permalink / raw)
To: Stefan Monnier; +Cc: 48990
I'll add [1] that anyone so motivated could just lift the fix from data.c from
Commercial. GPLv3 is largely gibberish to me, but I believe the salient
aspect is I must at least make my changes available for public consumption
even if I don't have to spoon-feed them.
[1] See how using a web-based issue tracker would have allowed me to edit my
previous response rather than tacking on another message to an annoyingly long
queue? Brevity, folks. It's the key to effective communication.
^ permalink raw reply [flat|nested] 7+ messages in thread
* bug#48990: 28.0.50; buffer-local and threads malarkey
2021-09-29 11:51 ` dick
2021-09-29 12:49 ` dick
@ 2022-02-12 20:28 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-02-12 22:58 ` dick
1 sibling, 1 reply; 7+ messages in thread
From: Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors @ 2022-02-12 20:28 UTC (permalink / raw)
To: dick; +Cc: 48990-done
Thanks for the report.
I just pushed a patch to `master` which fixes this bug by replacing the
context switch code with that originally written for `backtrace-eval`,
which already handles those cases (more) correctly.
Stefan
^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2022-02-12 22:58 UTC | newest]
Thread overview: 7+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2021-06-12 23:00 bug#48990: 28.0.50; buffer-local and threads malarkey dick
2021-06-13 7:55 ` Eli Zaretskii
2021-09-29 3:28 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-09-29 11:51 ` dick
2021-09-29 12:49 ` dick
2022-02-12 20:28 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-02-12 22:58 ` dick
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