From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Dmitry Antipov Newsgroups: gmane.emacs.bugs Subject: bug#12286: MEM_TYPE_SPARE change causes core dump on Fedora x86 Date: Mon, 27 Aug 2012 13:33:07 +0400 Message-ID: <503B3ED3.70104@yandex.ru> References: <503B2C85.5060609@cs.ucla.edu> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1346059885 2235 80.91.229.3 (27 Aug 2012 09:31:25 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 27 Aug 2012 09:31:25 +0000 (UTC) Cc: 12286@debbugs.gnu.org To: Paul Eggert Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Aug 27 11:31:26 2012 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 1T5vfJ-0003ZZ-FX for geb-bug-gnu-emacs@m.gmane.org; Mon, 27 Aug 2012 11:31:25 +0200 Original-Received: from localhost ([::1]:36532 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1T5vfH-0001ov-CF for geb-bug-gnu-emacs@m.gmane.org; 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d=yandex.ru; s=mail; t=1346059836; bh=hAo/vUeOXitZCncsHc6PRASvlw60WHNiN3F4t/1MIQ8=; h=Message-ID:Date:From:User-Agent:MIME-Version:To:CC:Subject: References:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=p8NNT/PCrH5dxelGy1lX7SQSdKBg09jesiDZDmovismzED6VTuCRrBWptnPW4AK8Z mHyhx4UQUIZJUeld8MaLXafPUF0bMcAOT1hQucjEOjwQWuUz7EaMcReZLNI0z7aqPf rVyG4gHk5w2G0vKOdI94rw4h0rYWEDDH0JlownfY= User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:14.0) Gecko/20120713 Thunderbird/14.0 In-Reply-To: <503B2C85.5060609@cs.ucla.edu> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) 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:63526 Archived-At: On 08/27/2012 12:15 PM, Paul Eggert wrote: > Severity: important > > On the Emacs trunk, the changes in revision 109788 > (Special MEM_TYPE_SPARE to denote reserved memory) > cause Emacs to dump core on x86 Fedora 15. > > The previous trunk revision 109787 works fine. > > The problem goes away if I disable optimization, > by configuring with CFLAGS=-g3. This depends on values on a C stack, which aren't predictable in general. But an issue looks almost obvious, should be fixed in 109791. Dmitry