From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Ryan Johnson Newsgroups: gmane.emacs.devel Subject: Re: 64-bit emacs crashes a lot Date: Fri, 16 Aug 2013 07:41:44 -0400 Message-ID: <520E0FF8.1070709@cs.utoronto.ca> References: <51F3151D.7040000@cs.utoronto.ca> <51F33565.1090406@cornell.edu> <51F33F52.4060405@cs.utoronto.ca> <51FB1D9E.5090102@cs.utoronto.ca> <20130802080211.GA18054@calimero.vinschen.de> <51FB9228.2020309@cornell.edu> <51FBA100.90005@cs.utoronto.ca> <51FD5462.5020400@cs.utoronto.ca> <51FFBDFF.7040501@cornell.edu> <51FFC4F2.8080909@cs.utoronto.ca> <5203D89E.6030801@cornell.edu> <5203DCCA.1010105@cs.utoronto.ca> <5205B364.8090007@cs.utoronto.ca> <52064730.50404@cornell.edu> <"52065B3C.6060104@cs.utoronto <520CCA41.3000107"@cs.utoronto.ca> <520D089A.1020806@cornell.edu> <83ioz6op5v.fsf@gnu.org> <520D4036.8010303@cs.utoronto.ca> <520D900A.8000907@cornell.edu> <834naqnh9t.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1376658657 28536 80.91.229.3 (16 Aug 2013 13:10:57 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 16 Aug 2013 13:10:57 +0000 (UTC) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Aug 16 15:11:00 2013 Return-path: Envelope-to: ged-emacs-devel@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 1VAJnn-0006ZV-TY for ged-emacs-devel@m.gmane.org; Fri, 16 Aug 2013 15:10:52 +0200 Original-Received: from localhost ([::1]:58871 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VAJnn-0004it-FH for ged-emacs-devel@m.gmane.org; Fri, 16 Aug 2013 09:10:51 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:35846) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VAIPm-0008Bk-6P for emacs-devel@gnu.org; Fri, 16 Aug 2013 07:42:03 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VAIPg-00048W-UE for emacs-devel@gnu.org; Fri, 16 Aug 2013 07:41:58 -0400 Original-Received: from bureau85.ns.utoronto.ca ([128.100.132.185]:43326) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VAIPg-00048R-Ok for emacs-devel@gnu.org; Fri, 16 Aug 2013 07:41:52 -0400 Original-Received: from [192.168.0.106] (76-10-140-156.dsl.teksavvy.com [76.10.140.156]) (authenticated bits=0) by bureau85.ns.utoronto.ca (8.13.8/8.13.8) with ESMTP id r7GBfoZl025682 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Fri, 16 Aug 2013 07:41:51 -0400 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/20130801 Thunderbird/17.0.8 In-Reply-To: <834naqnh9t.fsf@gnu.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 128.100.132.185 X-Mailman-Approved-At: Fri, 16 Aug 2013 09:10:12 -0400 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 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-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:162808 Archived-At: On 16/08/2013 4:58 AM, Eli Zaretskii wrote: > Again, please move this discussion to emacs-devel. Back pointer: http://cygwin.com/ml/cygwin/2013-08/msg00273.html >> Date: Thu, 15 Aug 2013 22:35:54 -0400 >> From: Ken Brown >> >> 1. Invoke 'emacs-nox -Q' in mintty. >> >> 2. M-x compile C-a C-k ls RET >> >> 3. C-x o >> >> 4. Hit 'g' repeatedly. >> >> I got it to abort with Fatal error 6 after slightly over 100 repetitions. >> >> I then tried the same thing with emacs-X11 (running under X, not in >> mintty). I hit 'g' 200 times without a problem. I repeated this with >> emacs-w32, again 200 times without a problem. >> >> So there's a bug somewhere. But if it's an emacs bug, it's strange that >> it only occurs with emacs-nox and not with either of the GUI versions of >> emacs. > I suspect that buffer relocation might be the reason. Can you show a > backtrace from the fatal error in an unoptimized build, with the above > recipe? I'll try to get one. Meanwhile, is there a quick way to disable buffer relocation as a sanity test? Some configure option, perhaps? If the optimized build still crashes reliably without it, the real problem is probably something else. Ryan