From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: npostavs@gmail.com Newsgroups: gmane.emacs.bugs Subject: bug#35740: 26.1; scroll bar jaggies / tearing Date: Wed, 15 May 2019 15:04:04 -0400 Message-ID: <85h89vwndn.fsf@gmail.com> References: Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="251637"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1.92 (windows-nt) Cc: 35740@debbugs.gnu.org To: Bob Hepple Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed May 15 21:08:45 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1hQzGe-0013MY-WB for geb-bug-gnu-emacs@m.gmane.org; Wed, 15 May 2019 21:08:45 +0200 Original-Received: from localhost ([127.0.0.1]:41222 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hQzGd-0005d6-NK for geb-bug-gnu-emacs@m.gmane.org; Wed, 15 May 2019 15:08:43 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:33799) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hQzGV-0005a6-LR for bug-gnu-emacs@gnu.org; Wed, 15 May 2019 15:08:36 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hQzD4-0005a7-Gd for bug-gnu-emacs@gnu.org; Wed, 15 May 2019 15:05:04 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:39849) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hQzD4-0005a3-DO for bug-gnu-emacs@gnu.org; Wed, 15 May 2019 15:05:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1hQzD4-0006zE-5r for bug-gnu-emacs@gnu.org; Wed, 15 May 2019 15:05:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: npostavs@gmail.com Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 15 May 2019 19:05:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 35740 X-GNU-PR-Package: emacs Original-Received: via spool by 35740-submit@debbugs.gnu.org id=B35740.155794705426789 (code B ref 35740); Wed, 15 May 2019 19:05:02 +0000 Original-Received: (at 35740) by debbugs.gnu.org; 15 May 2019 19:04:14 +0000 Original-Received: from localhost ([127.0.0.1]:53393 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hQzCH-0006y1-Ov for submit@debbugs.gnu.org; Wed, 15 May 2019 15:04:13 -0400 Original-Received: from mail-io1-f54.google.com ([209.85.166.54]:42748) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hQzCG-0006xm-6U for 35740@debbugs.gnu.org; Wed, 15 May 2019 15:04:12 -0400 Original-Received: by mail-io1-f54.google.com with SMTP id g16so457269iom.9 for <35740@debbugs.gnu.org>; Wed, 15 May 2019 12:04:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version; bh=Y3vUBECEWz5YgiRLs4QgGnGYxgXZT5Nvv8qCco2p7BA=; b=CsheSZhcymDJ3vrAFUCam3IRKCS9Kv+CLrHXWQM74o0JRyfgABRhfRbOFjoOsgcqCW 6HJHX4o5/NwDuwQZFUX5BawkHlcO2EDUTRpEjzIGIbSNOTk0qraAYznJgLFEdOA4RkfR 3UqQeQuK0YXn6xLlIhN8GtwE62Hqy/H9yhTDXrNistGYMORpJmO4Hf7RRJ2PwPOIN3oG vsNuISbsEaY6gnMtIHovJZUyHoLffHFrP4nBebGa+QFdd6IrOA9sJ/OgcLfDAKW2yW0y g2w8tFSmEEfGxNUZQ2Zjyml0EHmyIFgCadnDYEHM2876OEkUmbyHPlRJ36T4GS0jIn0u v7Jw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:references:date:in-reply-to :message-id:user-agent:mime-version; bh=Y3vUBECEWz5YgiRLs4QgGnGYxgXZT5Nvv8qCco2p7BA=; b=hBXXBZb1zB+8uwLPOOat1T7bCXLcAPakHzzWYH7fN9E10SbwGTPbdgfA56uLOE0BUu N+Jmy5fSNdOq/6lvXrDXuJzC5mh/g+n0HFTwPEBeCdvgtJNbZFLblXjQIUiyiLCzmzNh VUVfTZwbhghv0jmnJJTIpzZTGhLLpRAk3HuzISzy0uisLi8Ov0FalP6s0gFxn1S8qEN1 KMw7BE9oQovOLnOIT/Ryx0VuZZtrGOF41dnVx4+0AfYABN+ZIO/4VaQMEWDLwLCYPtre WJtL7P2u4H2QosprVskIffi1YQFED1vDmFefr3AWLFq4jWV3YtaPyrtrCk8zwUGWgCeh udOw== X-Gm-Message-State: APjAAAUmCbkCMS/6FF8IphnmCDb6lEZ1nD+c0OhBWRKx8UDh9zw2Znjb EzUduX/FwOw2m21AxBT3KfqdcURT X-Google-Smtp-Source: APXvYqz63zFlN/MLHGkAIBkPLxKJnrg4VTQJciuQQXTDikcwed3DAlJJoGspwE/sGANMclEmSoTR3A== X-Received: by 2002:a6b:28a:: with SMTP id 132mr25137605ioc.253.1557947046487; Wed, 15 May 2019 12:04:06 -0700 (PDT) Original-Received: from vhost2 (CPE001143542e1f-CMf81d0f809fa0.cpe.net.cable.rogers.com. [99.230.51.196]) by smtp.gmail.com with ESMTPSA id x74sm504390itb.33.2019.05.15.12.04.05 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 15 May 2019 12:04:05 -0700 (PDT) In-Reply-To: (Bob Hepple's message of "Wed, 15 May 2019 09:06:49 +1000") 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: 209.51.188.43 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:159351 Archived-At: Bob Hepple writes: > When I drift the sprite (mouse cursor) in and out of emacs the scroll > bar goes a little bit crazy with animated jaggies running up and down > its length. No other window (eg terminals, firefox etc) shows this > artifact. > > I've put up a video of the glitch at https://youtu.be/EMa1OWDhVS4. It > shows both emacs -Q and plain emacs running. Does disabling double buffering have any effect? (modify-all-frames-parameters '((inhibit-double-buffering . t)))