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bug#28850: 26.0.90; Error running timer 'jit-lock-stealth-fontify': (err
From: |
Basil L. Contovounesios |
Subject: |
bug#28850: 26.0.90; Error running timer 'jit-lock-stealth-fontify': (error "Invalid search bound (wrong side of point)") |
Date: |
Tue, 30 Apr 2019 02:51:03 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) |
Eli Zaretskii <eliz@gnu.org> writes:
>> Date: Wed, 25 Oct 2017 19:11:37 +0000
>> Cc: 28850@debbugs.gnu.org
>> From: Alan Mackenzie <acm@muc.de>
>>
>> Actually, it wasn't that difficult to amend that form generator. Would
>> you please try out the patch below, which should apply cleanly to
>> master.
>
> I think you've solved the problem, because I let Emacs run idle for 10
> hours, and it didn't hit this error even once.
It seems to have returned in some way. I can't reproduce this on Emacs
26, but on latest master, the following steps:
0. emacs -Q
1. (progn (setq debug-on-error t)
(setq jit-lock-stealth-nice nil)
(setq jit-lock-stealth-time 0)
(find-function #'next-property-change))
2. C-x C-e
almost immediately lead to the following backtrace:
Debugger entered--Lisp error: (error "Invalid search bound (wrong side of
point)")
search-forward-regexp("\\<\\(\\(?:enum\\)\\)\\>[^][{};/#=]*{" 1673 t)
c-font-lock-enum-body(1673)
font-lock-fontify-keywords-region(1123 1673 nil)
font-lock-default-fontify-region(1123 1673 nil)
c-font-lock-fontify-region(1173 1673 nil)
font-lock-fontify-region(1173 1673)
#f(compiled-function (fun) #<bytecode
0x1565bb8a9581>)(font-lock-fontify-region)
run-hook-wrapped(#f(compiled-function (fun) #<bytecode 0x1565bb8a9581>)
font-lock-fontify-region)
jit-lock--run-functions(1173 1673)
jit-lock-fontify-now(1173 1673)
jit-lock-stealth-fontify(t)
apply(jit-lock-stealth-fontify t)
timer-event-handler([t 0 0 974323 nil jit-lock-stealth-fontify (t) idle
261000])
I'm not sure if this says anything, but when the *Backtrace* buffer is
displayed, the textprop.c buffer is marked as modified. Could this be
related to the before/after change machinery?
A similar error I occasionally see, but have not yet figured out how to
reproduce:
Error during redisplay: (jit-lock-function 19569)
signaled (error "Invalid search bound (wrong side of point)")
Thanks,
--
Basil
In GNU Emacs 27.0.50 (build 1, x86_64-pc-linux-gnu, X toolkit, Xaw3d scroll
bars)
of 2019-04-30 built on thunk
Repository revision: f478082f9ff22ff41fbd9616ebea75757f9a0311
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12003000
System Description: Debian GNU/Linux buster/sid
Configured using:
'configure 'CC=ccache gcc' 'CFLAGS=-O2 -march=native' --config-cache
--prefix=/home/blc/.local --with-mailutils --with-x-toolkit=lucid
--with-modules --with-file-notification=yes --with-x'
Configured features:
XAW3D XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GSETTINGS
GLIB NOTIFY INOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT
LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS LUCID X11 XDBE XIM MODULES THREADS
LIBSYSTEMD JSON PDUMPER LCMS2 GMP
Package: CC Mode 5.33.2 (C/*l)
Buffer Style: GNU
c-emacs-features: (pps-extended-state col-0-paren posix-char-classes
gen-string-delim gen-comment-delim syntax-properties 1-bit)
current state:
==============
(setq
c-basic-offset 2
c-comment-only-line-offset '(0 . 0)
c-indent-comment-alist '((anchored-comment column . 0) (end-block space . 1)
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c-indent-comments-syntactically-p nil
c-block-comment-prefix ""
c-comment-prefix-regexp '((pike-mode . "//+!?\\|\\**") (awk-mode . "#+")
(other . "//+\\|\\**"))
c-doc-comment-style '((java-mode . javadoc) (pike-mode . autodoc)
(c-mode . gtkdoc))
c-cleanup-list '(scope-operator)
c-hanging-braces-alist '((substatement-open before after)
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c-hanging-colons-alist nil
c-hanging-semi&comma-criteria '(c-semi&comma-inside-parenlist)
c-backslash-column 48
c-backslash-max-column 72
c-special-indent-hook '(c-gnu-impose-minimum)
c-label-minimum-indentation 1
c-offsets-alist '((inexpr-class . +)
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(inlambda . c-lineup-inexpr-block)
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(objc-method-call-cont
c-lineup-ObjC-method-call-colons
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+
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(objc-method-intro . [0])
(friend . 0)
(cpp-define-intro c-lineup-cpp-define +)
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(comment-intro c-lineup-knr-region-comment c-lineup-comment)
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)
(brace-list-intro
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(brace-list-open . +)
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(arglist-close . c-lineup-arglist)
(arglist-intro . c-lineup-arglist-intro-after-paren)
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(label . 0)
(substatement-label . 0)
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(knr-argdecl-intro . 5)
(statement-block-intro . +)
)
c-buffer-is-cc-mode 'c-mode
c-tab-always-indent t
c-syntactic-indentation t
c-syntactic-indentation-in-macros t
c-ignore-auto-fill '(string cpp code)
c-auto-align-backslashes t
c-backspace-function 'backward-delete-char-untabify
c-delete-function 'delete-char
c-electric-pound-behavior nil
c-default-style '((java-mode . "java") (awk-mode . "awk") (other . "gnu"))
c-enable-xemacs-performance-kludge-p nil
c-old-style-variable-behavior nil
defun-prompt-regexp nil
tab-width 8
comment-column 32
parse-sexp-ignore-comments t
parse-sexp-lookup-properties t
auto-fill-function nil
comment-multi-line t
comment-start-skip "\\(//+\\|/\\*+\\)\\s *"
fill-prefix nil
fill-column 70
paragraph-start "[ ]*\\(//+\\|\\**\\)[ ]*$\\|^\f"
adaptive-fill-mode t
adaptive-fill-regexp "[ ]*\\(//+\\|\\**\\)[ ]*\\([
]*\\([-–!|#%;>*·•‣⁃◦]+[ ]*\\)*\\)"
)