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#22287: 25.1.50; Sudden jumping point in buffer Date: Tue, 05 Jan 2016 18:27:22 +0200 Message-ID: <838u4456vp.fsf@gnu.org> References: <20160101111008.GA14391@scotty.home> <87y4c6nbte.fsf@engster.org> <20160103130742.GA11570@scotty.home> <87twmumzqm.fsf@engster.org> <20160103205104.GB11570@scotty.home> <83egdx8j3p.fsf@gnu.org> <20160105150121.GA10231@scotty.home> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1452011303 1662 80.91.229.3 (5 Jan 2016 16:28:23 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 5 Jan 2016 16:28:23 +0000 (UTC) Cc: deng@randomsample.de, 22287@debbugs.gnu.org To: "Stefan-W. Hahn" Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Jan 05 17:28:11 2016 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 1aGUSw-0004bn-PH for geb-bug-gnu-emacs@m.gmane.org; Tue, 05 Jan 2016 17:28:11 +0100 Original-Received: from localhost ([::1]:50355 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aGUSv-0001S8-WD for geb-bug-gnu-emacs@m.gmane.org; Tue, 05 Jan 2016 11:28:10 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:57129) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aGUSs-0001S2-EZ for bug-gnu-emacs@gnu.org; Tue, 05 Jan 2016 11:28:07 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aGUSo-0001CU-Ew for bug-gnu-emacs@gnu.org; Tue, 05 Jan 2016 11:28:06 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:50767) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aGUSo-0001CP-BB for bug-gnu-emacs@gnu.org; Tue, 05 Jan 2016 11:28:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84) (envelope-from ) id 1aGUSo-0007Qm-4h for bug-gnu-emacs@gnu.org; Tue, 05 Jan 2016 11:28:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 05 Jan 2016 16:28:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 22287 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 22287-submit@debbugs.gnu.org id=B22287.145201124728524 (code B ref 22287); Tue, 05 Jan 2016 16:28:02 +0000 Original-Received: (at 22287) by debbugs.gnu.org; 5 Jan 2016 16:27:27 +0000 Original-Received: from localhost ([127.0.0.1]:38987 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aGUSF-0007Q0-CD for submit@debbugs.gnu.org; Tue, 05 Jan 2016 11:27:27 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:37780) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aGUSD-0007Pn-Me for 22287@debbugs.gnu.org; Tue, 05 Jan 2016 11:27:25 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aGUS4-00011Z-FL for 22287@debbugs.gnu.org; Tue, 05 Jan 2016 11:27:20 -0500 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:55169) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aGUS4-00011T-Bo; Tue, 05 Jan 2016 11:27:16 -0500 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:3877 helo=HOME-C4E4A596F7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1aGUS3-0003YD-Kz; Tue, 05 Jan 2016 11:27:16 -0500 In-reply-to: <20160105150121.GA10231@scotty.home> (stefan.hahn@s-hahn.de) 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:111237 Archived-At: > Date: Tue, 5 Jan 2016 16:01:22 +0100 > From: "Stefan-W. Hahn" > Cc: deng@randomsample.de, 22287@debbugs.gnu.org > > Thanks for this hint. I wasn't aware of this, after reading the good > documentation etc/DEBUG, great possibilities. > > I've sat it up and am able to define a watchpoint which calls xbacktrace. I > have to play around with it a little, because in this straight forward > atempt, it is to slow. There is no possibility to do any real keystrokes in > the debuged emacs. Probably because you defined the watchpoint so that GDB was forced to use software watchpoints, rather than hardware-assisted watchpoints. The latter doesn't slow down Emacs. If you tell how you defined the watchpoint, I might be able to help you redefine it so that hardware-assisted watchpoints are used by GDB.