From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#10304: 24.0.92: display bug Date: Fri, 14 Nov 2014 17:56:07 +0200 Message-ID: <831tp5ixns.fsf@gnu.org> References: <8762hihrj7.fsf@live.com> <8362gnhp9b.fsf@gnu.org> <8338yfamvk.fsf@gnu.org> <83wqvr8rci.fsf@gnu.org> <83ehhw8c15.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1415980650 9654 80.91.229.3 (14 Nov 2014 15:57:30 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 14 Nov 2014 15:57:30 +0000 (UTC) Cc: 10304@debbugs.gnu.org, schwab@linux-m68k.org To: Lars Magne Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Nov 14 16:57:22 2014 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 1XpJFN-0005ut-3s for geb-bug-gnu-emacs@m.gmane.org; Fri, 14 Nov 2014 16:57:17 +0100 Original-Received: from localhost ([::1]:37032 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XpJFM-0004CS-JP for geb-bug-gnu-emacs@m.gmane.org; Fri, 14 Nov 2014 10:57:16 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:32790) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XpJFD-0004CI-T0 for bug-gnu-emacs@gnu.org; Fri, 14 Nov 2014 10:57:13 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XpJF8-0006TB-HR for bug-gnu-emacs@gnu.org; Fri, 14 Nov 2014 10:57:07 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:35489) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XpJF8-0006T6-FN for bug-gnu-emacs@gnu.org; Fri, 14 Nov 2014 10:57:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1XpJF8-0002Jc-BY for bug-gnu-emacs@gnu.org; Fri, 14 Nov 2014 10:57:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 14 Nov 2014 15:57:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 10304 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 10304-submit@debbugs.gnu.org id=B10304.14159805888848 (code B ref 10304); Fri, 14 Nov 2014 15:57:02 +0000 Original-Received: (at 10304) by debbugs.gnu.org; 14 Nov 2014 15:56:28 +0000 Original-Received: from localhost ([127.0.0.1]:60935 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XpJEW-0002IY-KJ for submit@debbugs.gnu.org; Fri, 14 Nov 2014 10:56:28 -0500 Original-Received: from mtaout27.012.net.il ([80.179.55.183]:47054) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XpJER-0002IM-EG for 10304@debbugs.gnu.org; Fri, 14 Nov 2014 10:56:23 -0500 Original-Received: from conversion-daemon.mtaout27.012.net.il by mtaout27.012.net.il (HyperSendmail v2007.08) id <0NF100O00CT5IV00@mtaout27.012.net.il> for 10304@debbugs.gnu.org; Fri, 14 Nov 2014 17:51:33 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by mtaout27.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0NF100LJFDDXJ540@mtaout27.012.net.il>; Fri, 14 Nov 2014 17:51:33 +0200 (IST) In-reply-to: X-012-Sender: halo1@inter.net.il X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.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@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:96015 > From: Lars Magne Ingebrigtsen > Cc: 10304@debbugs.gnu.org, schwab@linux-m68k.org > Date: Fri, 14 Nov 2014 16:45:38 +0100 > > Eli Zaretskii writes: > > > I think I do understand. My suspicion is that we somehow fail to > > realize that the screen estate formerly occupied by the image, and > > everything that follows it, needs to be cleared in its entirety. On > > the display engine level, the image takes just one "line" (called > > "glyph row"), and perhaps we somehow don't realize that the height of > > that "line" is large, and all of that needs to be cleared, not just > > the number of text lines of "normal" height that will replace the > > image on display. > > Did you get any further on this? No. > I've finally found a single message in Gnus where I can reproduce this > almost 100% of the time -- but only on this display, so it's probably > closely tied to the exact geometry of the Emacs frame. > > But if you have debugging instructions, since I can now reproduce this, > I can hopefully give you the output you need to fix this... Can you run with the patch I posted back then, and report the output, together with a screenshot of the offending display corruption (so I could match the debugging output with what was on the screen)?