GNU bug report logs - #29
23.0.60: Images flicker at cursor-blink rate when emacs is run in X-over-ssh

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From: help-debbugs <at> gnu.org (Emacs bug Tracking System)
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Subject: bug#29: marked as done (23.0.60: Images flicker at cursor-blink 
 rate when emacs is run in X-over-ssh)

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

Your message dated Tue, 10 Jun 2008 15:13:46 -0400
with message-id <jwvskvlqf2p.fsf-monnier+emacsbugreports <at> gnu.org>
and subject line Re: Images flicker at cursor-blink rate when emacs is run in X-over-ssh
has caused the Emacs bug report #29,
regarding 23.0.60: Images flicker at cursor-blink rate when emacs is run in X-over-ssh
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact don <at> donarmstrong.com
immediately.)


-- 
29: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=29
Emacs Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]

From: "David O'Toole" <dto <at> gnu.org>
To: emacs-pretest-bug <at> gnu.org
Subject: 23.0.60: Images flicker at cursor-blink rate when emacs is run in
	X-over-ssh
Date: Fri, 29 Feb 2008 23:08:08 -0500

I almost always run Emacs in X forwarded via SSH. I've noticed that
with doc-view and everything that displays large images. the image
flickers at the same rate of the cursor blink. When the flicker
happens, I see white horizontal bands of various widths (usually 1 or
2) in different places across the image, for brief instants.
When I turn off the cursor with (setf cursor-type nil) the flickering goes away.

In GNU Emacs 23.0.60.2 (i686-pc-linux-gnu, X toolkit)
 of 2008-02-27 on pod
Windowing system distributor `The X.Org Foundation', version 11.0.10300000
configured using `configure  '--with-xft' '--enable-font-backend'
'--without-toolkit-scroll-bars' '--with-x-toolkit=lucid'
'--prefix=/opt''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: nil
  locale-coding-system: utf-8-unix
  default-enable-multibyte-characters: t

Major mode: Info

Minor modes in effect:
  erc-track-mode: t
  erc-track-minor-mode: t
  erc-services-mode: t
  erc-ring-mode: t
  erc-notify-mode: t
  erc-networks-mode: t
  erc-netsplit-mode: t
  erc-menu-mode: t
  erc-match-mode: t
  erc-log-mode: t
  erc-pcomplete-mode: t
  erc-button-mode: t
  erc-fill-mode: t
  erc-stamp-mode: t
  erc-autojoin-mode: t
  erc-autoaway-mode: t
  shell-dirtrack-mode: t
  recentf-mode: t
  global-visible-mark-mode: t
  visible-mark-mode: t
  erc-smiley-mode: t
  erc-irccontrols-mode: t
  erc-noncommands-mode: t
  erc-readonly-mode: t
  erc-scrolltobottom-mode: t
  eev-mode: t
  iswitchb-mode: t
  display-time-mode: t
  show-paren-mode: t
  mouse-wheel-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  global-auto-composition-mode: t
  auto-composition-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
e e l SPC s o SPC p o w e r f u l SPC n o w <return>
i SPC f e e l SPC l i k e SPC i ' m SPC u s i n g SPC
SPC <backspace> a SPC W O R K S T A T I O N SPC a n
d SPC n o w <backspace> t SPC a SPC c h e a p SPC C
o m p a q SPC l a p t o p <return> i ' m SPC f o r
c e d SPC t o SPC b u y SPC H P S-SPC s t u f f SPC
b e c a s u e <backspace> <backspace> <backspace> u
s e SPC m y SPC d a d SPC w o r k s SPC t h e r e SPC
a n d SPC g e t s SPC a SPC d i s c o u n t <return>
t h e i r SPC c a m e r a s SPC a n d SPC m o n i t
o r s SPC S U K <backspace> <backspace> <backspace>
s u c k SPC d e a d SPC c u n t <return> <C-tab> M->
l u <tab> l o o k s SPC n i c e . SPC u b u b n t u
? <return> M-3 M-4 <C-tab> <C-tab> h m m ? <return>
C-c <help-echo> <help-echo> <help-echo> <down-mouse-1>
<mouse-1> <help-echo> <down-mouse-1> <mouse-1> <help-echo>
T C-x 1 <help-echo> <help-echo> C-x k C-g C-x k <return>
C-x <left> C-x <left> <C-tab> <C-tab> M-> <C-tab> M-x
r e p o r t - e m a c s - b u g <return>

Recent messages:
Quit [2 times]
Mark saved where search started
Winner undo (1 / 82)
Winner undo (1 / 84)
Winner undo (2 / 82)
Mark set
Quit
Winner undo (1 / 85)
Winner undo (2 / 85)
Mark set

[Message part 3 (message/rfc822, inline)]

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: 29-done <at> debbugs.gnu.org
Subject: Re: Images flicker at cursor-blink rate when emacs is run in X-over-ssh
Date: Tue, 10 Jun 2008 15:13:46 -0400

I believe this has been fixed (or at least worked around) by setting
cursor-type to nil.


        Stefan

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