GNU bug report logs - #29691
25.3; Flashing characters in large window and large files

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Sven Fischer <sven <at> leiderfischer.de>
To: bug-gnu-emacs <at> gnu.org
Subject: 25.3; Flashing characters in large window and large files
Date: Wed, 13 Dec 2017 14:30:57 +0100

[Message part 1 (text/plain, inline)]

Hello,

I have the problem that parts of the edited files are flashing
significantly. This occurs especially when using large windows. It is
reproducable, but not always observable. I could not figure out, what
exactly is triggering the behaviour. I try to attach a screen recording
showing the error for reference. In the video I do nothing, pure emacs idling 
on a nxml file.

Regards,
Sven

In GNU Emacs 25.3.1 (x86_64-pc-linux-gnu, GTK+ Version 3.22.19)
 of 2017-09-16 built on juergen
Windowing system distributor 'The X.Org Foundation', version 11.0.11905000
System Description:	Manjaro Linux

Configured using:
 'configure --prefix=/usr --sysconfdir=/etc --libexecdir=/usr/lib
 --localstatedir=/var --with-x-toolkit=gtk3 --with-xft --with-modules
 'CFLAGS=-march=x86-64 -mtune=generic -O2 -pipe -fstack-protector-strong
 -fno-plt' CPPFLAGS=-D_FORTIFY_SOURCE=2
 LDFLAGS=-Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now'

Configured features:
XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GCONF GSETTINGS
NOTIFY ACL GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB
TOOLKIT_SCROLL_BARS GTK3 X11 MODULES

Important settings:
  value of $LC_MONETARY: de_DE.UTF-8
  value of $LC_NUMERIC: de_DE.UTF-8
  value of $LC_TIME: de_DE.UTF-8
  value of $LANG: de_DE.UTF-8
  locale-coding-system: utf-8-unix

Major mode: nXML

Minor modes in effect:
  diff-auto-refine-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
  line-number-mode: t
  transient-mark-mode: t

Recent messages:
For information about GNU Emacs and the GNU system, type C-h C-a.
Using vacuous schema
Please type y, n, or !: !
(New file)
Saving file /tmp/.emacs...
Wrote /tmp/.emacs [2 times]

Load-path shadows:
/usr/share/emacs/site-lisp/flim/hex-util hides /usr/share/emacs/25.3/lisp/hex-
util
/usr/share/emacs/site-lisp/flim/md4 hides /usr/share/emacs/25.3/lisp/md4
/usr/share/emacs/site-lisp/flim/ntlm hides /usr/share/emacs/25.3/lisp/net/ntlm
/usr/share/emacs/site-lisp/flim/sasl-cram hides /usr/share/emacs/25.3/lisp/net/
sasl-cram
/usr/share/emacs/site-lisp/flim/hmac-def hides /usr/share/emacs/25.3/lisp/net/
hmac-def
/usr/share/emacs/site-lisp/flim/hmac-md5 hides /usr/share/emacs/25.3/lisp/net/
hmac-md5
/usr/share/emacs/site-lisp/flim/sasl-ntlm hides /usr/share/emacs/25.3/lisp/net/
sasl-ntlm
/usr/share/emacs/site-lisp/flim/sasl hides /usr/share/emacs/25.3/lisp/net/sasl
/usr/share/emacs/site-lisp/flim/sasl-digest hides /usr/share/emacs/25.3/lisp/
net/sasl-digest
/usr/share/emacs/site-lisp/semi/smime hides /usr/share/emacs/25.3/lisp/gnus/
smime
/usr/share/emacs/site-lisp/semi/pgg-def hides /usr/share/emacs/25.3/lisp/
obsolete/pgg-def
/usr/share/emacs/site-lisp/semi/pgg-parse hides /usr/share/emacs/25.3/lisp/
obsolete/pgg-parse
/usr/share/emacs/site-lisp/semi/pgg-gpg hides /usr/share/emacs/25.3/lisp/
obsolete/pgg-gpg
/usr/share/emacs/site-lisp/semi/pgg-pgp5 hides /usr/share/emacs/25.3/lisp/
obsolete/pgg-pgp5
/usr/share/emacs/site-lisp/semi/pgg hides /usr/share/emacs/25.3/lisp/obsolete/
pgg
/usr/share/emacs/site-lisp/semi/pgg-pgp hides /usr/share/emacs/25.3/lisp/
obsolete/pgg-pgp

Features:
(shadow sort mail-extr emacsbug message idna 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 mail-prsvr
mail-utils vc-git diff-mode easy-mmode pp cus-edit cus-start cus-load
wid-edit cl-loaddefs pcase cl-lib nxml-uchnm rng-xsd xsd-regexp
rng-cmpct rng-nxml rng-valid rng-loc rng-uri rng-parse nxml-parse
rng-match rng-dt rng-util rng-pttrn nxml-ns easymenu nxml-mode
nxml-outln nxml-rap nxml-util nxml-glyph nxml-enc xmltok time-date
mule-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
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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)

 (miscs 40 87 90)
 (strings 32 23950 4973)

-- 
Sven Fischer -- Platzer Höhenweg 34, 51429 Bergisch Gladbach, Germany
                Tel: +49-(0)2204-480985, Fax: +49-(0)2204-9670019
                sven <at> leiderfischer.de

[emacs-flashing-chars.ogg (video/x-theora+ogg, attachment)]

Message #8 received at 29691 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Kangas <stefan <at> marxist.se>
To: Sven Fischer <sven <at> leiderfischer.de>
Cc: 29691 <at> debbugs.gnu.org
Subject: Re: bug#29691: 25.3;
 Flashing characters in large window and large files
Date: Mon, 10 Aug 2020 08:42:36 -0700

tags 29691 + unreproducible
thanks

Sven Fischer <sven <at> leiderfischer.de> writes:

> Hello,
>
> I have the problem that parts of the edited files are flashing
> significantly. This occurs especially when using large windows. It is
> reproducable, but not always observable. I could not figure out, what
> exactly is triggering the behaviour. I try to attach a screen recording
> showing the error for reference. In the video I do nothing, pure emacs idling
> on a nxml file.

Are you still seeing this?  Did you find out more about the conditions
under which this is reproducible?

Best regards,
Stefan Kangas

Message #15 received at 29691-done <at> debbugs.gnu.org (full text, mbox):

From: Stefan Kangas <stefan <at> marxist.se>
To: Sven Fischer <sven <at> leiderfischer.de>
Cc: 29691-done <at> debbugs.gnu.org
Subject: Re: bug#29691: 25.3;
 Flashing characters in large window and large files
Date: Sun, 18 Oct 2020 01:50:08 +0000

Stefan Kangas <stefan <at> marxist.se> writes:

> tags 29691 + unreproducible
> thanks
>
> Sven Fischer <sven <at> leiderfischer.de> writes:
>
>> Hello,
>>
>> I have the problem that parts of the edited files are flashing
>> significantly. This occurs especially when using large windows. It is
>> reproducable, but not always observable. I could not figure out, what
>> exactly is triggering the behaviour. I try to attach a screen recording
>> showing the error for reference. In the video I do nothing, pure emacs idling
>> on a nxml file.
>
> Are you still seeing this?  Did you find out more about the conditions
> under which this is reproducible?

More information was requested, but none was given within 10 weeks, so
I'm closing this bug.  If this is still an issue, please reply to this
email (use "Reply to all" in your email client) and we can reopen the
bug report.

Best regards,
Stefan Kangas

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