From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 114921 invoked by alias); 28 Dec 2019 22:03:22 -0000 Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Received: (qmail 114913 invoked by uid 89); 28 Dec 2019 22:03:22 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_NONE,SPF_HELO_PASS,SPF_PASS autolearn=ham version=3.3.1 spammy=HX-Spam-Relays-External:2604, H*r:2604, H*RU:2604 X-HELO: NAM12-DM6-obe.outbound.protection.outlook.com Received: from mail-dm6nam12on2122.outbound.protection.outlook.com (HELO NAM12-DM6-obe.outbound.protection.outlook.com) (40.107.243.122) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Sat, 28 Dec 2019 22:03:20 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=nFKmpkyULJf3+wmjkujhYXD++cHzhDNxvSeoAtSSmalBY70ORcd4WXB33jmkrTyUOL98IK00Hqw0ia9gdulrH/oEureAlCiEuV81Q87rdZdMihQKIGwe7wonalz1KBhysmz8PqTuo+EyAIshJdh1pGXU+K7RgPpssbhs6wB6NhdBYIZ7H2Mn45dNGbWp4qSBnzSG54ae7PdbKpVguhzMsoCopDojU3DBx9c4lhS+ilpXJnX5/08HFE0dOyVKK99f/psN+maJkEF1YzK2AksUFqOFbcuMBzYiJjYMAxDitfDSByDbCBN5C6CuzKrYueK7sr0do++VFY46I2K853ahMA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=Ol3+DPVnwdG2Z9acuZv5wV0jYzgeXnAgE+zDwrrAkXM=; b=jS1ndY9qVYB/psxeCpiQ0x5kIRaRGM3wwR3R9Y178xhs6ULMrrTQ39i+urKGIJWrHNrbswfxEGYh3SyihtuWDQkUVOZtx4iJ1dXdrGDwEJ9fd9jSselMi/HfV3EmKKAxsXMbK5AoYouSSL9RwE3lIfkpsZUfal5KR+63gDKKFaGq8wbok/P0s9UbNyTpWEEgv/yyHVl/In8RqdEHxauinoMmVuUCXBqJcOZrGVscW05PkfO57glImiaYFwWXb/DlGtu3rOeKDnQgdslqaZrVUiktNngCxD93XXR+aAwrs+oiq6iSa2YQ+fJV+f7NgXoR6rgHTv2tAhlL8+IsN39wlg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=cornell.edu; dmarc=pass action=none header.from=cornell.edu; dkim=pass header.d=cornell.edu; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cornell.edu; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=Ol3+DPVnwdG2Z9acuZv5wV0jYzgeXnAgE+zDwrrAkXM=; b=DWZto3LRNxZ5KXV0FDujQHCs2cXY/wT81L98zkz5JDGag8D7I1wAy94DTb94HC2riFlnaZLFsSj/NMZTroEOKrR7cxikcpMn5hRqIG6SdZuy1jS7FWTg8tRJbN2OM6pnEpMtVO/IVvGSg651wQCLIVKBA03C72f4dqk7bDashjk= Received: from DM6PR04MB5738.namprd04.prod.outlook.com (20.179.51.81) by DM6PR04MB3979.namprd04.prod.outlook.com (20.176.88.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2581.11; Sat, 28 Dec 2019 22:03:17 +0000 Received: from DM6PR04MB5738.namprd04.prod.outlook.com ([fe80::f894:edec:b80c:d524]) by DM6PR04MB5738.namprd04.prod.outlook.com ([fe80::f894:edec:b80c:d524%3]) with mapi id 15.20.2581.007; Sat, 28 Dec 2019 22:03:17 +0000 Received: from [IPv6:2604:6000:b407:7f00:616e:ac43:c6dc:cd68] (2604:6000:b407:7f00:616e:ac43:c6dc:cd68) by CH2PR03CA0030.namprd03.prod.outlook.com (2603:10b6:610:59::40) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2581.11 via Frontend Transport; Sat, 28 Dec 2019 22:03:16 +0000 From: Ken Brown To: "cygwin@cygwin.com" Subject: Re: GDB and thread Date: Sat, 28 Dec 2019 22:28:00 -0000 Message-ID: References: In-Reply-To: user-agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.1 authentication-results: spf=none (sender IP is ) smtp.mailfrom=kbrown@cornell.edu; x-ms-oob-tlc-oobclassifiers: OLM:9508; received-spf: None (protection.outlook.com: cornell.edu does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="Windows-1252" Content-ID: <7B5F7C62BAB35D40B7D6B9CD43AA8899@namprd04.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: D80Rjr2KfF7rtQvbYfFqVzDeJPI1PdZfA8ueH+xWKUchkxDjJ8QoB/gFKzXMmH8wwUXGIRD1p5UwUrfLoA9geg== X-IsSubscribed: yes X-SW-Source: 2019-12/txt/msg00306.txt.bz2 On 12/28/2019 4:27 PM, Marco Atzeri wrote: > Hi, > I am trying to debug the libuv test failures, > but it seems I am not able to convince GDB on stopping > just before the failure. >=20 > Is "thread apply all" working on Cygwin ? > The fact that produces no output in comparison to > a normal break command is a bit strange >=20 > (gdb) break test-dlerror.c:34 > Breakpoint 1 at 0x10040b0b0: file /pub/devel/libuv/libuv-1.34.0/test/test= -dlerro > r.c, line 34. > (gdb) thread apply all break test-dlerror.c:34 Others know this better than I do, but I seem to recall that a break comman= d=20 automatically applies to all threads. In other words, "thread apply all" i= s=20 redundant. > (gdb) run dlerror > Starting program: /cygdrive/d/cyg_pub/devel/libuv/libuv-1.34.0-build/test= /.libs/ > run-tests.exe dlerror > [New Thread 139176.0x231a0] > [New Thread 139176.0x231c8] > [New Thread 139176.0x21a0c] > [New Thread 139176.0x2332c] > [New Thread 139176.0x230b0] > [New Thread 139176.0x231cc] > [New Thread 139176.0x23028] > [New Thread 139176.0x23214] > [Thread 139176.0x23028 exited with code 0] > not ok 1 - dlerror > # exit code 134 > # Output from process `dlerror`: > # Assertion failed in /pub/devel/libuv/libuv-1.34.0/test/test-dlerror.c o= n line > 45: strstr(msg, path) !=3D NULL > [Thread 139176.0x231c8 exited with code 134] > [Thread 139176.0x230b0 exited with code 134] > [Thread 139176.0x2332c exited with code 134] > [Thread 139176.0x23214 exited with code 134] > [Thread 139176.0x21a0c exited with code 134] > [Inferior 1 (process 139176) exited with code 0206] > (gdb) >=20 >=20 > Any hint will be appreciated Might this be related to optimization? That could change the order in whic= h=20 lines of code are executed. Have you tried building without optimization? Ken -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple