From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Artyom Newsgroups: gmane.emacs.bugs Subject: bug#24267: 24.5; When scrolling, parts of buffer are redrawn with a delay Date: Sat, 20 Aug 2016 13:06:43 +0300 Message-ID: <91ebdfb3-d977-a482-1b56-ef41f333323d@artyom.me> References: <83pop3dhvl.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-Trace: blaine.gmane.org 1471710913 19789 195.159.176.226 (20 Aug 2016 16:35:13 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 20 Aug 2016 16:35:13 +0000 (UTC) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 Cc: 24267@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Aug 20 18:35:09 2016 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bb9Eg-0004sz-Op for geb-bug-gnu-emacs@m.gmane.org; Sat, 20 Aug 2016 18:35:06 +0200 Original-Received: from localhost ([::1]:33788 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bb9Ed-0003Ze-W2 for geb-bug-gnu-emacs@m.gmane.org; Sat, 20 Aug 2016 12:35:04 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:51842) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bb9Ao-00015F-Sz for bug-gnu-emacs@gnu.org; Sat, 20 Aug 2016 12:31:07 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bb9Ak-0000Gl-EW for bug-gnu-emacs@gnu.org; Sat, 20 Aug 2016 12:31:05 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:37586) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bb9Ak-0000Gg-6U for bug-gnu-emacs@gnu.org; Sat, 20 Aug 2016 12:31:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1bb9Ak-0001kD-1K for bug-gnu-emacs@gnu.org; Sat, 20 Aug 2016 12:31:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Artyom Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 20 Aug 2016 16:31:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 24267 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 24267-submit@debbugs.gnu.org id=B24267.14717106266653 (code B ref 24267); Sat, 20 Aug 2016 16:31:01 +0000 Original-Received: (at 24267) by debbugs.gnu.org; 20 Aug 2016 16:30:26 +0000 Original-Received: from localhost ([127.0.0.1]:35298 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bb9A9-0001jF-UO for submit@debbugs.gnu.org; Sat, 20 Aug 2016 12:30:26 -0400 Original-Received: from mail-lf0-f52.google.com ([209.85.215.52]:36294) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bb3Ay-00065a-A6 for 24267@debbugs.gnu.org; Sat, 20 Aug 2016 06:06:52 -0400 Original-Received: by mail-lf0-f52.google.com with SMTP id g62so47921476lfe.3 for <24267@debbugs.gnu.org>; Sat, 20 Aug 2016 03:06:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=artyom-me.20150623.gappssmtp.com; s=20150623; h=subject:to:references:cc:from:message-id:date:user-agent :mime-version:in-reply-to:content-transfer-encoding; bh=+R8couknkxJyu4TOdOkJf+NtwT36SnHn48Ukwi7NXkI=; b=CXsou92zFaxl+6Dnc/J+7/Hpx78i825H8nsrDTCf8WUUNYkKDX+UT6c/JI+EqlPrA5 lI4eWue1C7GDBRZBe/gFckGu1BgCjq1zjcMwY5L0JeMQCc7u2T7jrYOJqgFUIoipCV9o RUdCPhDk8lTr53XziC20PtzZaUINKSzXvzGxURozL1vaU4P/U8lCn+IPk3lgIMqmayED sWSxX7OxJ6dNtNcyRWGnK4ZSnONZFvBK7N8Q0keUE0lEyCAn6oNQ28JvWekW7XORE6Y4 1LhvIIuWpbLXWOcgvQ0Hs08Eb8qQ89JzwYRrj81keHbGHMVjf6LIpmJfJrFK+jVDpxR/ BWeA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:subject:to:references:cc:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding; bh=+R8couknkxJyu4TOdOkJf+NtwT36SnHn48Ukwi7NXkI=; b=DPNRSaiHPzr/uSDA1jo5pwBjdh89PQBFL3j9y7oGAR5OHq4oQ8XWSHghBuaCRvs8f8 QEm2597odcB98lNdGlilfZZP4t8QGIR//0PPzghWER/eqLpIVqpuByYQtPC8yCDJwYNR aNg/8uTr9MDEPtH5CWzoyyXcl3sR0PuwF2mfQ2d5ByNMa9unV3bHKgl3WDc9YKbSkhSV jpYZs/xptUHp69U6FUV9rUai/Rpq98NqjhZiYDnI+FWUlE1UFvzkWL/GYHS4nQPBEIw9 tIAdJHeSres7j5bWRfmQLBSlZXQFPXTs/2w/9LqAnB9iBzjQS9jva4ltI39bhaa7QP96 XpPA== X-Gm-Message-State: AEkooutajwStg3GHx+99W3h8qfzcRT/2DcpdHTdQWVFQm9ddfnmujR3XktgpqFcC/15fVw== X-Received: by 10.25.18.154 with SMTP id 26mr2680227lfs.186.1471687606020; Sat, 20 Aug 2016 03:06:46 -0700 (PDT) Original-Received: from [192.168.0.106] (nat4-minsk-pool-46-53-179-125.telecom.by. [46.53.179.125]) by smtp.gmail.com with ESMTPSA id g40sm1948552ljg.22.2016.08.20.03.06.44 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 20 Aug 2016 03:06:45 -0700 (PDT) In-Reply-To: <83pop3dhvl.fsf@gnu.org> X-Mailman-Approved-At: Sat, 20 Aug 2016 12:30:24 -0400 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" Xref: news.gmane.org gmane.emacs.bugs:122432 Archived-At: On 08/20/2016 10:22 AM, Eli Zaretskii wrote: > I cannot reproduce this: I don't see these redraws at all, using the > HTML page you pointed to. > > It could be some issue specific to the default font you use (you don't > say which font is that). Or some other issue local to, or triggered > by, your local setup. I agree! However, there's still a chance of it being an Emacs issue since no other software I use (browsers, text editors, video players) show signs of tearing or incomplete redraws. (I thought it could be a bug in GTK, so I rebuilt Emacs with Lucid backend. It didn't fix the problem.) The font I used is DejaVu Sans Mono. I tried setting frame font to GNU FreeFont Mono, but it didn't fix the problem either. >> This all only started happening after I upgraded my system. >> Unfortunately, the upgrade was pretty huge and so it's hard to >> pinpoint a specific package that caused this. The version of Emacs >> stayed the same. > Which is a serious argument in favor of my theory that this is not an > Emacs problem. > > Maybe someone else bumped into such problems and could advise you > where to look. Yep, that's what I was hoping for when I was writing the bug report. Even if nobody else is able to reproduce this, I would still appreciate any help with debugging it.