From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Alan Mackenzie Newsgroups: gmane.emacs.devel Subject: Re: Emacs 25.1 RC2 - sporadic display errors on Linux virtual terminal. Date: Wed, 7 Sep 2016 16:53:38 +0000 Message-ID: <20160907165338.GF2145@acm.fritz.box> References: <20160907155927.GE2145@acm.fritz.box> <83fupbacre.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: blaine.gmane.org 1473267274 26851 195.159.176.226 (7 Sep 2016 16:54:34 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 7 Sep 2016 16:54:34 +0000 (UTC) User-Agent: Mutt/1.5.24 (2015-08-30) Cc: emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Sep 07 18:54:30 2016 Return-path: Envelope-to: ged-emacs-devel@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 1bhg77-0005OV-Ui for ged-emacs-devel@m.gmane.org; Wed, 07 Sep 2016 18:54:18 +0200 Original-Received: from localhost ([::1]:42068 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bhg75-0006ky-TO for ged-emacs-devel@m.gmane.org; Wed, 07 Sep 2016 12:54:15 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:39890) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bhg6z-0006kG-SI for emacs-devel@gnu.org; Wed, 07 Sep 2016 12:54:10 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bhg6v-0006AD-LD for emacs-devel@gnu.org; Wed, 07 Sep 2016 12:54:08 -0400 Original-Received: from mail.muc.de ([193.149.48.3]:59864) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bhg6v-00069y-Ce for emacs-devel@gnu.org; Wed, 07 Sep 2016 12:54:05 -0400 Original-Received: (qmail 10775 invoked by uid 3782); 7 Sep 2016 16:54:04 -0000 Original-Received: from acm.muc.de (p548C702C.dip0.t-ipconnect.de [84.140.112.44]) by colin.muc.de (tmda-ofmipd) with ESMTP; Wed, 07 Sep 2016 18:54:02 +0200 Original-Received: (qmail 7116 invoked by uid 1000); 7 Sep 2016 16:53:38 -0000 Content-Disposition: inline In-Reply-To: <83fupbacre.fsf@gnu.org> X-Delivery-Agent: TMDA/1.1.12 (Macallan) X-Primary-Address: acm@muc.de X-detected-operating-system: by eggs.gnu.org: FreeBSD 9.x X-Received-From: 193.149.48.3 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:207257 Archived-At: Hello, Eli. On Wed, Sep 07, 2016 at 07:35:49PM +0300, Eli Zaretskii wrote: > > Date: Wed, 7 Sep 2016 15:59:27 +0000 > > From: Alan Mackenzie > > On the Emacs 25.1-rc2, I'm seeing worrying display anomalies on a Linux > > virtual terminal. > Are you saying this happens only with that one build of Emacs, but not > with other versions? Because it sounds like a system-wide problem > that has nothing to do with Emacs. I've not noticed it happening in any other build. I've discovered I can trigger the problem by repeatedly hitting two adjacent keys "at once" in the left hand, then the same in the right hand as fast as possible. > If you open a termscript file and then type, do you see the missing > characters in the termscript file, which means they were sent to the > screen? No, the termscript file contained what I typed, not what I saw on the screen. I'll see if I can create the problem in other versions of Emacs. -- Alan Mackenzie (Nuremberg, Germany).