From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Vegard Vesterheim Newsgroups: gmane.emacs.help Subject: Re: Using 'git bisect' to pinpoint errors in .emacs. Was: Fatal error 11: Segmentation Fault Date: Wed, 3 Apr 2019 12:47:36 +0000 Message-ID: <1sftqzgsr7.fsf@uninett.no> References: <86imvx5gyz.fsf@zoho.eu> <86ef6l5dwk.fsf@zoho.eu> <86a7h85ru5.fsf@zoho.eu> <865zrw55gm.fsf@zoho.eu> <5e7fb661-c090-4893-bcab-24ee4d96bea3@default> <86ftqzhd04.fsf@zoho.eu> <20190403081845.GA6609@tuxteam.de> <1spnq3gy4i.fsf_-_@uninett.no> <83bm1ne3xc.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="180145"; mail-complaints-to="usenet@blaine.gmane.org" Cc: "help-gnu-emacs@gnu.org" To: Eli Zaretskii Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Wed Apr 03 14:47:58 2019 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1hBfJ8-000kin-Bb for geh-help-gnu-emacs@m.gmane.org; Wed, 03 Apr 2019 14:47:58 +0200 Original-Received: from localhost ([127.0.0.1]:38273 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hBfJ7-0004Bb-7f for geh-help-gnu-emacs@m.gmane.org; Wed, 03 Apr 2019 08:47:57 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:42668) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hBfIs-0004BI-1X for help-gnu-emacs@gnu.org; Wed, 03 Apr 2019 08:47:43 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hBfIr-0001s8-0p for help-gnu-emacs@gnu.org; Wed, 03 Apr 2019 08:47:42 -0400 Original-Received: from mail-eopbgr00091.outbound.protection.outlook.com ([40.107.0.91]:3712 helo=EUR02-AM5-obe.outbound.protection.outlook.com) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hBfIq-0001r4-AL; Wed, 03 Apr 2019 08:47:40 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=uninett.no; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=vha6DWGDYKoNrY/NMC8m9IagtAuub3ijNpyIUwePoac=; b=UTTMfQfHC4paS5+BpxEWcvKWs6v8D+bBT6+HIOIqLARG0fddPYn79yqnDOf6ikRn+AwsRCAR/vmxgXpS4Q+8nmKs/RHEA5zeDEsB/hGv5+6HEzNWxou3Qquca4OjwKMIzO+vRXWhZxdQE7PS8Gzj/poIxefBFZzQ8PYjdlUJUlE= Original-Received: from VI1PR08MB3949.eurprd08.prod.outlook.com (20.178.125.146) by VI1PR08MB3024.eurprd08.prod.outlook.com (52.133.14.141) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1750.17; Wed, 3 Apr 2019 12:47:36 +0000 Original-Received: from VI1PR08MB3949.eurprd08.prod.outlook.com ([fe80::bccd:15bd:1924:d2e4]) by VI1PR08MB3949.eurprd08.prod.outlook.com ([fe80::bccd:15bd:1924:d2e4%3]) with mapi id 15.20.1750.017; Wed, 3 Apr 2019 12:47:36 +0000 Thread-Topic: Using 'git bisect' to pinpoint errors in .emacs. Was: Fatal error 11: Segmentation Fault Thread-Index: AQHU6htqoVEc52DmjEKHmOcKL2ELHw== In-Reply-To: <83bm1ne3xc.fsf@gnu.org> (Eli Zaretskii's message of "Wed, 3 Apr 2019 14:14:39 +0300") Accept-Language: en-US Content-Language: en-US x-clientproxiedby: HE1PR05CA0286.eurprd05.prod.outlook.com (2603:10a6:7:93::17) To VI1PR08MB3949.eurprd08.prod.outlook.com (2603:10a6:803:de::18) x-originating-ip: [2001:700:1:0:158:38:62:13] authentication-results: spf=none (sender IP is ) smtp.mailfrom=vegard.vesterheim@uninett.no; x-ms-exchange-messagesentrepresentingtype: 1 x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 93beaa49-95ee-4dcc-f07e-08d6b8328c7b x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(7021145)(8989299)(5600139)(711020)(4605104)(4534185)(7022145)(4603075)(4627221)(201702281549075)(8990200)(7048125)(7024125)(7025125)(7027125)(7023125)(2017052603328)(7193020); SRVR:VI1PR08MB3024; x-ms-traffictypediagnostic: VI1PR08MB3024: x-microsoft-antispam-prvs: x-forefront-prvs: 0996D1900D x-forefront-antispam-report: SFV:NSPM; SFS:(10019020)(396003)(366004)(376002)(136003)(39840400004)(346002)(199004)(189003)(68736007)(486006)(11346002)(36756003)(6512007)(6916009)(7736002)(25786009)(786003)(71190400001)(6246003)(4744005)(14444005)(81156014)(14454004)(52116002)(71200400001)(8676002)(46003)(4326008)(6436002)(76176011)(6506007)(6116002)(450100002)(476003)(81166006)(102836004)(186003)(446003)(229853002)(316002)(99286004)(305945005)(44832011)(6486002)(86362001)(93886005)(386003)(5660300002)(2616005)(8936002)(106356001)(508600001)(97736004)(256004)(2906002)(105586002)(53936002)(74482002)(142923001); DIR:OUT; SFP:1102; SCL:1; SRVR:VI1PR08MB3024; H:VI1PR08MB3949.eurprd08.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: uninett.no does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: xwEhhIDl3RNgytFVWnfGsQTVK5SHRwlKr7+aDVgAt1n3cyuusK0sdowAWCcIB4OLkcRTgR6agm/Zj6ITv5Wi1+0YexE/PVeMKH6r2cmMVQ/9q3MBmr8mdi8pI4jT75tqrPno95PwaDD7quTxajXcXScuEZ0YYkkgLdb0Uug9QB0mAi8g2yF6G0eoqBukFIlrwloJlxByIQKLNYYJrPLCzv1YWHjxW9ugDURj0blmxmAXdKm0NrycZwPShXTq9KTq687gN3D7fKLdX4/aZ3hUK/fWZZvo9wS3ceOPIXbH+HO7RonqOYpylj0EgDzf9LfeP1NbrqOJIEpjhStxoG3z33X5eRjECRkRSnzsuvY2x85x+EiSxJSLSVwweZshrHQP8CWStKSrfXz9nBWDNQThHAbvfj9Z16xm/aaW/edd3ks= X-OriginatorOrg: uninett.no X-MS-Exchange-CrossTenant-Network-Message-Id: 93beaa49-95ee-4dcc-f07e-08d6b8328c7b X-MS-Exchange-CrossTenant-originalarrivaltime: 03 Apr 2019 12:47:36.6453 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 68763e3d-4615-4222-988f-90ba13e351e9 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR08MB3024 X-detected-operating-system: by eggs.gnu.org: Windows 7 or 8 [fuzzy] X-Received-From: 40.107.0.91 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.org gmane.emacs.help:119867 Archived-At: On Wed, 3 Apr 2019 14:14:39 +0300 Eli Zaretskii wrote: > FWIW, IME bisection is only helpful when you cannot reproduce the > issue at will or easily enough. I disagree, it was *very* helpful *for me* to be able to get rid of the segfaults. > If reproduction is easy, it is much more useful to debug the failure > than to find the change which is to blame, because finding that change > in most cases still doesn't tell you how to fix the problem, certainly > not with a segfault. This is a valid point. At least for those who have the necessary knowledge and determination to perform the debugging. I remember having intentions about reporting this specific bug. I tried to create a minimal configuration which still triggered the bug, but I gave up when I was unable to easily do so. --=20 - Vegard V -