From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: "T. V. Raman" Newsgroups: gmane.emacs.bugs Subject: bug#16711: 24.3.50; Error: pre-redisplay-function Date: Wed, 12 Feb 2014 18:35:31 -0800 Message-ID: <21244.12147.914405.305921@gargle.gargle.HOWL> References: Reply-To: tv.raman.tv@gmail.com NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1392258970 4999 80.91.229.3 (13 Feb 2014 02:36:10 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 13 Feb 2014 02:36:10 +0000 (UTC) Cc: tv.raman.tv@gmail.com, 16711@debbugs.gnu.org To: monnier@iro.umontreal.ca Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Feb 13 03:36:17 2014 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 1WDm9x-0005IT-5e for geb-bug-gnu-emacs@m.gmane.org; Thu, 13 Feb 2014 03:36:17 +0100 Original-Received: from localhost ([::1]:43769 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WDm9w-0004g1-QE for geb-bug-gnu-emacs@m.gmane.org; Wed, 12 Feb 2014 21:36:16 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:56624) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WDm9o-0004ft-9h for bug-gnu-emacs@gnu.org; Wed, 12 Feb 2014 21:36:14 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WDm9i-0002rp-F5 for bug-gnu-emacs@gnu.org; Wed, 12 Feb 2014 21:36:08 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:48585) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WDm9i-0002ri-B7 for bug-gnu-emacs@gnu.org; Wed, 12 Feb 2014 21:36:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1WDm9h-0001rJ-RJ for bug-gnu-emacs@gnu.org; Wed, 12 Feb 2014 21:36:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: "T. 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[71.202.188.217]) by mx.google.com with ESMTPSA id qq5sm842537pbb.24.2014.02.12.18.35.32 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 12 Feb 2014 18:35:33 -0800 (PST) In-Reply-To: X-Mailer: VM 8.1.1 under 24.3.50.2 (i686-pc-linux-gnu) x-attribution: tvr 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: 140.186.70.43 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:85449 Archived-At: loading something like cnn.com in eww appears to trigger it. But the problem is that it doesn't *always* trigger it >>>>> "Stefan" == Stefan Monnier writes: >> I've been bitten by this intermitently for the last few >> weeks; it appears to be happening more often now. Observed >> initially in W3 when rendering heavy-weight web pages; it >> also shows up in eww. You get a variable depth exeeds max >> eval depth error repeatedly -- Stefan> Stefan> Hmm.. can you come up with a recipe to reproduce it? Stefan> >> turning on debug doesn't yield any additional info. Stefan> Stefan> Indeed, pre-redisplay-function is run at a time where Stefan> we can't conveniently redisplay, I think, so we can't Stefan> drop into the debugger. Stefan> >> The fix appears to be to set pre-redisplay-function to nil Stefan> Stefan> That's obviously just a workaround. Stefan> >> --- looking at the code, I've not figured out what that >> variable does Stefan> Stefan> The variable doesn't do anything, it's just a Stefan> hook. Its default value is used to implement the Stefan> highlighting of the active region. Stefan> Stefan> Stefan> Stefan