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#17173: 24.4.50; Emacs partially loses display, and redisplay via `C-l' does not fix it Date: Sat, 26 Dec 2015 18:43:59 +0200 Message-ID: <83a8oxi2i8.fsf@gnu.org> References: <17026dc9-ee25-4e83-a5c4-86140d37e250@default>> <83lhvnbrbk.fsf@gnu.org>> <849e9e65-3cc7-45b9-b388-da5993600278@default> <87si2pz4gi.fsf@gnus.org> <5a3eb48a-6574-41bc-a8c2-37659ec5ebde@default> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1451148260 9990 80.91.229.3 (26 Dec 2015 16:44:20 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 26 Dec 2015 16:44:20 +0000 (UTC) Cc: larsi@gnus.org, 17173@debbugs.gnu.org To: Drew Adams Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Dec 26 17:44:09 2015 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 1aCrwu-0001PM-VW for geb-bug-gnu-emacs@m.gmane.org; Sat, 26 Dec 2015 17:44:09 +0100 Original-Received: from localhost ([::1]:39173 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aCrwu-0003X3-9F for geb-bug-gnu-emacs@m.gmane.org; Sat, 26 Dec 2015 11:44:08 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:47137) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aCrwr-0003Wy-Mf for bug-gnu-emacs@gnu.org; Sat, 26 Dec 2015 11:44:06 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aCrwo-00057c-FA for bug-gnu-emacs@gnu.org; Sat, 26 Dec 2015 11:44:05 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:34246) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aCrwo-00057X-C7 for bug-gnu-emacs@gnu.org; Sat, 26 Dec 2015 11:44:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84) (envelope-from ) id 1aCrwo-0007Eo-68 for bug-gnu-emacs@gnu.org; Sat, 26 Dec 2015 11:44:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 26 Dec 2015 16:44:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 17173 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo Original-Received: via spool by 17173-submit@debbugs.gnu.org id=B17173.145114820527767 (code B ref 17173); Sat, 26 Dec 2015 16:44:02 +0000 Original-Received: (at 17173) by debbugs.gnu.org; 26 Dec 2015 16:43:25 +0000 Original-Received: from localhost ([127.0.0.1]:41848 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aCrwD-0007Dn-9U for submit@debbugs.gnu.org; Sat, 26 Dec 2015 11:43:25 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:56104) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aCrwB-0007Da-Jf for 17173@debbugs.gnu.org; Sat, 26 Dec 2015 11:43:23 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aCrw3-00054R-7N for 17173@debbugs.gnu.org; Sat, 26 Dec 2015 11:43:18 -0500 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:52097) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aCrw3-00054N-4N; Sat, 26 Dec 2015 11:43:15 -0500 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:1451 helo=HOME-C4E4A596F7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1aCrw2-0006IB-BX; Sat, 26 Dec 2015 11:43:14 -0500 In-reply-to: <5a3eb48a-6574-41bc-a8c2-37659ec5ebde@default> (message from Drew Adams on Sat, 26 Dec 2015 08:38:47 -0800 (PST)) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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:110696 Archived-At: > Date: Sat, 26 Dec 2015 08:38:47 -0800 (PST) > From: Drew Adams > Cc: Eli Zaretskii , 17173@debbugs.gnu.org > > > Are you still seeing this problem? > > Yes, sometimes. My impression is that Emacs 25 does redisplay > less often or something We (mostly Stefan) made redisplay faster by removing some triggers that would redraw windows unnecessarily. Such optimizations always leave some fallout that needs to be fixed. > and so there are occasions where the display is messed up. And yes, > C-l sometimes has no effect to clear it up. To clear it up, I > minimize the frame and then restore it, or sometimes it helps to > just resize the frame. > > I cannot tell you when the problem arises. I can tell you > that the problem exists. It is impossible to fix these problems without a reproducible recipe. The only alternative is to wait for someone else to come up with a bug report and a recipe, which will solve this problem as a side effect.