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#21658: 24.5; Scrolling garbles text with third monitor enabled Date: Mon, 12 Oct 2015 21:35:51 +0300 Message-ID: <83pp0knddk.fsf@gnu.org> References: <36064.72.237.174.2.1444415474.squirrel@67.228.73.20> <83d1wntbsv.fsf@gnu.org> <44352.72.237.174.2.1444674068.squirrel@67.228.73.20> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1444674990 27893 80.91.229.3 (12 Oct 2015 18:36:30 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 12 Oct 2015 18:36:30 +0000 (UTC) Cc: 21658@debbugs.gnu.org To: me@alandmoore.com Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Oct 12 20:36:18 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 1ZlhxD-0003he-Dz for geb-bug-gnu-emacs@m.gmane.org; Mon, 12 Oct 2015 20:36:11 +0200 Original-Received: from localhost ([::1]:58038 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZlhxC-0001z8-P9 for geb-bug-gnu-emacs@m.gmane.org; Mon, 12 Oct 2015 14:36:10 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:50836) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zlhx9-0001yy-2s for bug-gnu-emacs@gnu.org; Mon, 12 Oct 2015 14:36:07 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Zlhx3-0007Ov-VR for bug-gnu-emacs@gnu.org; Mon, 12 Oct 2015 14:36:06 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:48534) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zlhx3-0007Or-SK for bug-gnu-emacs@gnu.org; Mon, 12 Oct 2015 14:36:01 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1Zlhx3-0001qm-PU for bug-gnu-emacs@gnu.org; Mon, 12 Oct 2015 14:36:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 12 Oct 2015 18:36:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 21658 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 21658-submit@debbugs.gnu.org id=B21658.14446749457090 (code B ref 21658); Mon, 12 Oct 2015 18:36:01 +0000 Original-Received: (at 21658) by debbugs.gnu.org; 12 Oct 2015 18:35:45 +0000 Original-Received: from localhost ([127.0.0.1]:37505 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Zlhwn-0001qI-4g for submit@debbugs.gnu.org; Mon, 12 Oct 2015 14:35:45 -0400 Original-Received: from mtaout26.012.net.il ([80.179.55.182]:48937) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Zlhwk-0001q8-4h for 21658@debbugs.gnu.org; Mon, 12 Oct 2015 14:35:43 -0400 Original-Received: from conversion-daemon.mtaout26.012.net.il by mtaout26.012.net.il (HyperSendmail v2007.08) id <0NW400I00E3UDV00@mtaout26.012.net.il> for 21658@debbugs.gnu.org; Mon, 12 Oct 2015 21:38:44 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([84.94.185.246]) by mtaout26.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0NW400A4ZEGK2W90@mtaout26.012.net.il>; Mon, 12 Oct 2015 21:38:44 +0300 (IDT) In-reply-to: <44352.72.237.174.2.1444674068.squirrel@67.228.73.20> X-012-Sender: halo1@inter.net.il X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x 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:107546 Archived-At: [Please keep the bug address on the CC list.] > Date: Mon, 12 Oct 2015 18:21:08 -0000 (GMT) > From: me@alandmoore.com > > > 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. > > > > The frames do the same thing on any monitor. I don't think the > coordinates should change at all, the additional monitor is appended to > the right of the others (though it makes no difference where I add it, > even if I just clone one of the other screens). > > Is there anything special about the way emacs buffers are drawn compared > to other programs that would give me a clue as to why this only happens in > emacs? We just use Xlib calls, see xterm.c and xfns.c.