From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Kangas Newsgroups: gmane.emacs.bugs Subject: bug#21658: 24.5; Scrolling garbles text with third monitor enabled Date: Sun, 29 Sep 2019 23:58:38 +0200 Message-ID: References: <36064.72.237.174.2.1444415474.squirrel@67.228.73.20> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="136271"; mail-complaints-to="usenet@blaine.gmane.org" Cc: me@alandmoore.com, 21658-done@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Sep 29 23:59:11 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 (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iEhDj-000ZLx-E5 for geb-bug-gnu-emacs@m.gmane.org; Sun, 29 Sep 2019 23:59:11 +0200 Original-Received: from localhost ([::1]:42316 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iEhDi-0002KO-9G for geb-bug-gnu-emacs@m.gmane.org; Sun, 29 Sep 2019 17:59:10 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:59826) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iEhDb-0002K2-Cu for bug-gnu-emacs@gnu.org; Sun, 29 Sep 2019 17:59:04 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iEhDa-0003a4-6N for bug-gnu-emacs@gnu.org; Sun, 29 Sep 2019 17:59:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:47164) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iEhDa-0003Zp-2U for bug-gnu-emacs@gnu.org; Sun, 29 Sep 2019 17:59:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1iEhDZ-00060j-Sh for bug-gnu-emacs@gnu.org; Sun, 29 Sep 2019 17:59:01 -0400 In-Reply-To: <36064.72.237.174.2.1444415474.squirrel@67.228.73.20> Resent-From: Stefan Kangas Original-Sender: "Debbugs-submit" Resent-To: bug-gnu-emacs@gnu.org Resent-Date: Sun, 29 Sep 2019 21:59:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: cc-closed 21658 X-GNU-PR-Package: emacs Mail-Followup-To: 21658@debbugs.gnu.org, stefan@marxist.se, me@alandmoore.com Original-Received: via spool by 21658-done@debbugs.gnu.org id=D21658.156979433823087 (code D ref 21658); Sun, 29 Sep 2019 21:59:01 +0000 Original-Received: (at 21658-done) by debbugs.gnu.org; 29 Sep 2019 21:58:58 +0000 Original-Received: from localhost ([127.0.0.1]:55985 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iEhDV-00060I-Ui for submit@debbugs.gnu.org; Sun, 29 Sep 2019 17:58:58 -0400 Original-Received: from mail-pf1-f176.google.com ([209.85.210.176]:38781) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iEhDT-0005zz-QT for 21658-done@debbugs.gnu.org; Sun, 29 Sep 2019 17:58:56 -0400 Original-Received: by mail-pf1-f176.google.com with SMTP id h195so4408143pfe.5 for <21658-done@debbugs.gnu.org>; Sun, 29 Sep 2019 14:58:55 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc; bh=oFSXmJKAtCQJBH2raA4Ur05RPCtaFM6WUognUsIx13Y=; b=tcdFkLrGBck8oxw0bMJMoeAL25i7MM/zAQoKolRRIOoGSidMzChv/I8D2nyES7Zzlu NmkAyDfJjR6EdK4VKqujrdTZhOLf8sZ1P9nOtDE6MgsdAJz9v+WZSqAjXYUERfZrQdyy bv0DcrwuFB1zssxnIq7rAlvzubtJIvDTi4JYmXI9YoNbjvgv1QsuFDiTHiPMfwJCS6lQ nQ+CkIJkiPmy9xk/QuzcJ5XOupTjJSmJOg3/A51/FP6jfmHjI2EmPl5JlUFls3YDfdgs e1oLZPFDyIaliwcIeyd92565Zm0hB/TxBbHrVKlG1QG8E4wFi09UKjbPtoIjeYU+smYq 9q+g== X-Gm-Message-State: APjAAAV7YHEmhBLssHx1qBngl+4km5jlnyyVuPfmplYLKuzeLiW/j1KM 8masgu7SPIffUtbAmdKP9YxTefow3ihFJTDKuFo= X-Google-Smtp-Source: APXvYqz638OkKosDgqKJQlBPGDAzZmMdn7MVkOw6TPGBWf9Vk7xhd43dKSioyaBDMxDbytFMLARBSiR4XKwBqP9iEVk= X-Received: by 2002:a17:90a:1150:: with SMTP id d16mr23777855pje.2.1569794329795; Sun, 29 Sep 2019 14:58:49 -0700 (PDT) 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:167757 Archived-At: Eli Zaretskii writes: >> Date: Fri, 9 Oct 2015 18:31:14 -0000 (GMT) >> From: me@alandmoore.com >> >> When I scroll a buffer with the mouse in GTK3, GTK2, or lucid emacs, the >> buffer does not properly redraw, causing garbled text. With the mouse >> scroll, it usually appears like the text is not moving (even though the >> point is actually moving). If I scroll with keyboard controls, the >> buffer partially redraws, usually in a ~32 character square with the >> point at the upper left. The screen will redraw correctly if (1) Emacs >> loses focus or (2) I recenter the buffer with C-l. >> >> This only happens when my third monitor is enabled, however. On my >> system, I have two monitors attached to the onboard Intel GPU, and one >> additional attached to an AMD GPU card. It makes no difference what >> monitor emacs is on, but enabling the monitor on the AMD GPU causes >> emacs to behave as described. Disabling the monitor (via xrandr) >> immediately fixes the problem. >> >> I do not observe this problem with any other software on my system, only >> emacs. > > Are the problematic frames/windows displayed on the 3rd monitor? > > Do the coordinates of the frames on the 1st and the 2nd monitor change > when you enable the 3rd monitor? > > If the answer to both of these questions is NO, then I cannot see how > it could be an Emacs problem. It could be some hardware problem or > perhaps a bug in the underlying X libraries/server. AFAIK, when Emacs > redraws a window on a monitor, it doesn't inquire the system about the > monitors, the only thing it cares about is pixel coordinates of > windows and frames. More information was requested but none given within close to 4 years. It will therefore be hard to make any progress here, and I'm closing this bug report. If this is still an issue, please reopen the bug. Best regards, Stefan Kangas