From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#28695: 26.0.60; Rendering lag spikes caused by double-buffering on Linux Date: Wed, 04 Oct 2017 14:36:37 +0300 Message-ID: <83wp4bxhyy.fsf@gnu.org> References: <8760bvd2w7.fsf@bryan.sh> <59D4A431.7010801@gmx.at> <831smjz2b2.fsf@gnu.org> <874lrfcg4s.fsf@bryan.sh> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1507117100 7243 195.159.176.226 (4 Oct 2017 11:38:20 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 4 Oct 2017 11:38:20 +0000 (UTC) Cc: 28695@debbugs.gnu.org To: Bryan Gilbert Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Oct 04 13:38:15 2017 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 1dzi0E-0001M7-4q for geb-bug-gnu-emacs@m.gmane.org; Wed, 04 Oct 2017 13:38:14 +0200 Original-Received: from localhost ([::1]:34503 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dzi0L-0007iN-Bk for geb-bug-gnu-emacs@m.gmane.org; Wed, 04 Oct 2017 07:38:21 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:40861) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dzi05-0007fO-43 for bug-gnu-emacs@gnu.org; Wed, 04 Oct 2017 07:38:08 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dzi01-0003Hl-VN for bug-gnu-emacs@gnu.org; Wed, 04 Oct 2017 07:38:05 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:38972) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1dzi01-0003Hb-Sp for bug-gnu-emacs@gnu.org; Wed, 04 Oct 2017 07:38:01 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1dzi01-0003mL-Mm for bug-gnu-emacs@gnu.org; Wed, 04 Oct 2017 07:38:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 04 Oct 2017 11:38:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 28695 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 28695-submit@debbugs.gnu.org id=B28695.150711702314454 (code B ref 28695); Wed, 04 Oct 2017 11:38:01 +0000 Original-Received: (at 28695) by debbugs.gnu.org; 4 Oct 2017 11:37:03 +0000 Original-Received: from localhost ([127.0.0.1]:47652 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dzhz5-0003l4-Cc for submit@debbugs.gnu.org; Wed, 04 Oct 2017 07:37:03 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:49499) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dzhz3-0003kW-Py for 28695@debbugs.gnu.org; Wed, 04 Oct 2017 07:37:02 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dzhyv-0002Cq-DY for 28695@debbugs.gnu.org; Wed, 04 Oct 2017 07:36:56 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:54210) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dzhyv-0002Ck-B7; Wed, 04 Oct 2017 07:36:53 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:1462 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1dzhyu-0006d2-BO; Wed, 04 Oct 2017 07:36:53 -0400 In-reply-to: <874lrfcg4s.fsf@bryan.sh> (message from Bryan Gilbert on Wed, 04 Oct 2017 07:21:55 -0400) 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" Xref: news.gmane.org gmane.emacs.bugs:137897 Archived-At: > From: Bryan Gilbert > Cc: martin rudalics , bryan@bryan.sh, 28695@debbugs.gnu.org > Date: Wed, 04 Oct 2017 07:21:55 -0400 > > I'm currently using a Dell XPS 15 laptop with a 4K display and running > at a resolution of 3840x2160. I've noticed that the problem almost > entirely disappears when I resize the window to a smaller size (roughly > between 1/2 and 1/3 of the screen) instead of being fullscreen. It's > possible that this is only being noticed at higher resolutions. Can you try lowering the screen resolution and using fullscreen Emacs frames under that lower resolution? Thanks.