From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Gregory Heytings Newsgroups: gmane.emacs.bugs Subject: bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs Date: Thu, 08 Apr 2021 16:20:13 +0000 Message-ID: <9ff81b52faf8b5c07387@heytings.org> References: <87im5ofp3z.fsf@md5i.com> <870479cc-efd3-3a19-98a3-1d7a8b9346e8@gmx.at> <79cfe67d-3a2c-952d-7c51-20e8a4859380@gmx.at> <87czv6q1f8.fsf@md5i.com> <233daa4b-ca64-955f-2612-49a0503b1938@gmx.at> <8735w2p8oc.fsf@md5i.com> <5181da75-e80d-22e0-bdcb-a0ffdc1bac6a@gmx.at> <5c4e5857-6a76-b8e8-204b-b4a855e95a16@gmx.at> <8f4516d5-1080-71bb-7da7-acf7832d5529@gmx.at> <87r1jlvnrc.fsf@md5i.com> <9ff81b52fa1cb82320c6@heytings.org> <835z0x9f9p.fsf@gnu.org> <87czv5ugjt.fsf@igel.home> <834kgh9cxo.fsf@gnu.org> <9ff81b52fa1f308133de@heytings.org> <8335w19bjq.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="40043"; mail-complaints-to="usenet@ciao.gmane.io" Cc: mwd@md5i.com, schwab@linux-m68k.org, 47244@debbugs.gnu.org, mwd@cert.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Apr 08 18:35:39 2021 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lUXd2-000ACT-Tm for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 08 Apr 2021 18:35:37 +0200 Original-Received: from localhost ([::1]:60278 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lUXcy-0002sU-9B for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 08 Apr 2021 12:35:35 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:47452) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lUXWx-0006Eu-5v for bug-gnu-emacs@gnu.org; Thu, 08 Apr 2021 12:29:19 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:36513) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lUXOw-0002CY-6T for bug-gnu-emacs@gnu.org; Thu, 08 Apr 2021 12:21:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lUXOw-0001Il-1B for bug-gnu-emacs@gnu.org; Thu, 08 Apr 2021 12:21:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Gregory Heytings Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 08 Apr 2021 16:21:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 47244 X-GNU-PR-Package: emacs Original-Received: via spool by 47244-submit@debbugs.gnu.org id=B47244.16178988174928 (code B ref 47244); Thu, 08 Apr 2021 16:21:01 +0000 Original-Received: (at 47244) by debbugs.gnu.org; 8 Apr 2021 16:20:17 +0000 Original-Received: from localhost ([127.0.0.1]:48058 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lUXOD-0001HQ-7X for submit@debbugs.gnu.org; Thu, 08 Apr 2021 12:20:17 -0400 Original-Received: from heytings.org ([95.142.160.155]:58566) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lUXOB-0001HH-7J for 47244@debbugs.gnu.org; Thu, 08 Apr 2021 12:20:15 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20210101; t=1617898813; bh=sOjnv749/ekqkOgZoaHp9Zw/oIEj62IPfM4TTbu1N6k=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=Z8P8kzMFGdTzLWrZYLtN3o61P39v1wdC5Ngo7Da6WcTsd41xO7i/SCWyYpPp5i/Rd kl7wcONQKpTtD960BQhvLoSlgcn1EFHpXJkHLlVL9oO5/KJ/BhCLEgYe4YHabiZSDs sWra0vOjZ5u3eCpSrMy8pG4y3A0oCjDVCVfTK1hMnm7ggzEi73p2LoDNeyrSL73Vv4 etExEmPZ1nMgvpHOdq4WDYvo3/AEjwtfnLuE/KVomPMi/ZaT8lE2bmQG68aZFK8s83 ln8aB6kFLtdma03aN/5pT5fTeXu3rvjVshgDTqfBeDQqOfdb8oeKjaU9Rl3fK5PKlc stk/Tae0vOizA== In-Reply-To: <8335w19bjq.fsf@gnu.org> X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:203739 Archived-At: >>>>> Bisection requires to know the last commit where the bug didn't >>>>> exist. >>>> >>>> Not the *last* commit, that what bisection is for to find out. It >>>> just requires *any* commit where the bug didn't exist. >>> >>> Right, but that's unknown as well here. >> >> Usually the first step in bisecting is to find some distant commit >> where the bug did not exist. > > Sure, but given the time it takes to reproduce the problem, that could > take much longer than what Martin is doing now. And if you go far > enough into the past, Emacs will stop building successfully, so you are > stuck there. > IIUC the problems happens once a day or so. I'd try to see if it still happens with HEAD~2500, HEAD~5000, HEAD~7500, HEAD~10000. All of them build successfully, and doing this doesn't cost anything.