From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Andreas Schwab Newsgroups: gmane.emacs.bugs Subject: bug#18912: 24.4; mode-line corruption on graphical frames in dual-headed display Date: Wed, 05 Nov 2014 10:17:18 +0100 Message-ID: References: <54524135.8090405@gnu.org> <8361ezz56z.fsf@gnu.org> <5454D7EB.6060407@gnu.org> <83sii3xecv.fsf@gnu.org> <5456A6FE.90108@gnu.org> <83tx2hvtwp.fsf@gnu.org> <54571ABB.7020000@gnu.org> <83ppd4w910.fsf@gnu.org> <5457E044.9080300@gnu.org> <83bnoovxpi.fsf@gnu.org> <83a948vxh6.fsf@gnu.org> <837fzcvwph.fsf@gnu.org> <5457ED37.5080807@gnu.org> <8338a0vv6w.fsf@gnu.org> <54586C9D.2000801@gnu.org> <54588D65.8060506@gnu.org> <83sihzufav.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1415179103 2064 80.91.229.3 (5 Nov 2014 09:18:23 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 5 Nov 2014 09:18:23 +0000 (UTC) Cc: Bruno =?UTF-8?Q?F=C3=A9lix?= Rezende Ribeiro , 18912@debbugs.gnu.org To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Nov 05 10:18:16 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 1XlwjH-0001lx-IG for geb-bug-gnu-emacs@m.gmane.org; Wed, 05 Nov 2014 10:18:15 +0100 Original-Received: from localhost ([::1]:45274 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XlwjH-0004yE-3q for geb-bug-gnu-emacs@m.gmane.org; Wed, 05 Nov 2014 04:18:15 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:50294) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xlwj9-0004oj-6o for bug-gnu-emacs@gnu.org; Wed, 05 Nov 2014 04:18:12 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Xlwj3-0001CB-U2 for bug-gnu-emacs@gnu.org; Wed, 05 Nov 2014 04:18:07 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:52246) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xlwj3-0001C7-Qs for bug-gnu-emacs@gnu.org; Wed, 05 Nov 2014 04:18:01 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1Xlwj3-0006pr-KV for bug-gnu-emacs@gnu.org; Wed, 05 Nov 2014 04:18:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Andreas Schwab Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 05 Nov 2014 09:18:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 18912 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 18912-submit@debbugs.gnu.org id=B18912.141517904226219 (code B ref 18912); Wed, 05 Nov 2014 09:18:01 +0000 Original-Received: (at 18912) by debbugs.gnu.org; 5 Nov 2014 09:17:22 +0000 Original-Received: from localhost ([127.0.0.1]:49459 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XlwiP-0006oo-W1 for submit@debbugs.gnu.org; Wed, 05 Nov 2014 04:17:22 -0500 Original-Received: from cantor2.suse.de ([195.135.220.15]:43089 helo=mx2.suse.de) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XlwiN-0006og-Q3 for 18912@debbugs.gnu.org; Wed, 05 Nov 2014 04:17:20 -0500 Original-Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 15B3DAD5D; Wed, 5 Nov 2014 09:17:19 +0000 (UTC) X-Yow: LOU GRANT froze my ASSETS!! In-Reply-To: (Stefan Monnier's message of "Tue, 04 Nov 2014 15:13:51 -0500") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) 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:95527 Stefan Monnier writes: >> Moreover, the fact that running xrefresh, which is not an Emacs >> command, fixes the display is yet another argument against this >> hypothesis. xrefresh doesn't communicate with Emacs, so the only way >> it could fix the display is if the data supplied by Emacs was correct. > > Actually xrefresh does (indirectly) communicate with Emacs, IIRC, since > it causes the X server to generate "expose" events to redraw everything. That doesn't mean that the X server (or the compositor) has to ask the application to redraw the window contents, it may be reusing an off-screen copy of it. Andreas. -- Andreas Schwab, SUSE Labs, schwab@suse.de GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 "And now for something completely different."