From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: "Fabrice Niessen" Newsgroups: gmane.emacs.bugs Subject: bug#12906: 24.2.50; Parts of the screen are completely white Date: Sun, 18 Nov 2012 21:24:37 +0100 Organization: Mission Critical IT Message-ID: <808v9ymzga.fsf@somewhere.org> References: <80k3tlh9mb.fsf@somewhere.org> <83sj894kpr.fsf@gnu.org> <80d2zan04b.fsf@somewhere.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1353270311 20998 80.91.229.3 (18 Nov 2012 20:25:11 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 18 Nov 2012 20:25:11 +0000 (UTC) Cc: 12906-ubl+/3LiMTaZdePnXv/OxA@public.gmane.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org-mXXj517/zsQ@public.gmane.org Sun Nov 18 21:25:22 2012 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1TaBQf-0001r4-S8 for geb-bug-gnu-emacs@m.gmane.org; Sun, 18 Nov 2012 21:25:22 +0100 Original-Received: from localhost ([::1]:60918 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TaBQV-0003Uh-H0 for geb-bug-gnu-emacs@m.gmane.org; Sun, 18 Nov 2012 15:25:11 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:49877) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TaBQQ-0003Ps-4Y for bug-gnu-emacs-mXXj517/zsQ@public.gmane.org; Sun, 18 Nov 2012 15:25:09 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TaBQN-0003Fb-2G for bug-gnu-emacs-mXXj517/zsQ@public.gmane.org; Sun, 18 Nov 2012 15:25:06 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:43109) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TaBQM-0003FP-UD for bug-gnu-emacs-mXXj517/zsQ@public.gmane.org; Sun, 18 Nov 2012 15:25:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1TaBRJ-0005iP-Ok for bug-gnu-emacs-mXXj517/zsQ@public.gmane.org; Sun, 18 Nov 2012 15:26:02 -0500 X-Loop: help-debbugs-mXXj517/zsQ@public.gmane.org Resent-From: "Fabrice Niessen" Original-Sender: debbugs-submit-bounces-ubl+/3LiMTaZdePnXv/OxA@public.gmane.org Resent-CC: bug-gnu-emacs-mXXj517/zsQ@public.gmane.org Resent-Date: Sun, 18 Nov 2012 20:26:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs-mXXj517/zsQ@public.gmane.org X-GNU-PR-Message: followup 12906 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 12906-submit-ubl+/3LiMTaZdePnXv/OxA@public.gmane.org id=B12906.135327034121940 (code B ref 12906); Sun, 18 Nov 2012 20:26:01 +0000 Original-Received: (at 12906) by debbugs.gnu.org; 18 Nov 2012 20:25:41 +0000 Original-Received: from localhost ([127.0.0.1]:53360 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TaBQy-0005hp-Ld for submit-ubl+/3LiMTaZdePnXv/OxA@public.gmane.org; Sun, 18 Nov 2012 15:25:41 -0500 Original-Received: from 81-188-7-133.sdsl.easynet.be ([81.188.7.133]:41322 helo=mail.missioncriticalit.com) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TaBQw-0005hi-Nn for 12906-ubl+/3LiMTaZdePnXv/OxA@public.gmane.org; Sun, 18 Nov 2012 15:25:40 -0500 Original-Received: from MEDIACENTER. (ip-83-101-44-240.customer.schedom-europe.net [83.101.44.240]) by mail.missioncriticalit.com (Postfix) with ESMTPSA id EBD47500DE8; Sun, 18 Nov 2012 21:24:37 +0100 (CET) X-Archive: encrypt In-Reply-To: <80d2zan04b.fsf-oHC15RC7JGTNLxjTenLetw@public.gmane.org> (Fabrice Niessen's message of "Sun, 18 Nov 2012 21:10:12 +0100") User-Agent: Gnus/5.130006 (Ma Gnus v0.6) Emacs/24.2.50 (windows-nt) X-Spam-Score: 1.8 (+) X-BeenThere: debbugs-submit-ubl+/3LiMTaZdePnXv/OxA@public.gmane.org X-Mailman-Version: 2.1.13 Precedence: list X-Spam-Score: 1.8 (+) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs-mXXj517/zsQ@public.gmane.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org-mXXj517/zsQ@public.gmane.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org-mXXj517/zsQ@public.gmane.org Xref: news.gmane.org gmane.emacs.bugs:67136 Archived-At: Elli, "Fabrice Niessen" wrote: > Eli Zaretskii wrote: >>> From: "Fabrice Niessen" >>> >>> I sometimes have parts of the screen "undisplayed" such in the >>> example at http://screencast.com/t/qLMxmSLxYvJ8. >>> >>> In the beginning, all the line was white (even the fringe!). >>> >>> While moving the cursor around, some characters are redisplayed correctly. >>> >>> Paging up and down makes the display correct again. >> >> This is a clear sign that some redisplay optimization is applied when >> it shouldn't be. IOW, Emacs mistakenly thinks the display does not >> need to be redrawn. >> >>> However, this is not occurring often, and not reproducible per se -- unluckily. >> >> When that happens next, try typing "M-x". Just "M-x", without any >> command. > > That did not help, in the Org buffer I was just looking at... > >> If that doesn't help, try "M-x redraw-display RET". > > That did work -- in fact, before applying it! Why? Because I typed M-x red > TAB, and a buffer came on the right side of my screen, full with completions. > When that one appeared, the display was corrected. > >> More importantly, post the result of "C-h l" (that's ell, not the >> digit one), and try to remember what were you doing immediately before >> the incident. Also, in what mode was the current buffer. > > Just browsing the file with C-v/M-v. > > I'm sorry, but, by answering to this email first, I'd lost what you wanted > from C-h l. This time, I could write redraw-display without TAB'ing. It did redraw the screen correctly. And here the lossage view you asked for: --8<---------------cut here---------------start------------->8--- SPC SPC SPC SPC SPC SPC C-a C-c C-v C-d C-c C-v C-d C-x C-s M-x r e d r a w - d s i s p l a y C-h l [back] --8<---------------cut here---------------end--------------->8--- On the big Org file (13,000 lines, 454 KB) I'm working on, the problem is pretty reproducible... Best regards, Fabrice