From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from simark.ca by simark.ca with LMTP id pwEpJW97y2XUvBwAWB0awg (envelope-from ) for ; Tue, 13 Feb 2024 09:23:43 -0500 Authentication-Results: simark.ca; dkim=pass (2048-bit key; unprotected) header.d=lists.lttng.org header.i=@lists.lttng.org header.a=rsa-sha256 header.s=default header.b=RmMR5YwV; dkim-atps=neutral Received: by simark.ca (Postfix, from userid 112) id 84DEC1E0D2; Tue, 13 Feb 2024 09:23:43 -0500 (EST) Received: from lists.lttng.org (lists.lttng.org [167.114.26.123]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by simark.ca (Postfix) with ESMTPS id 06BAE1E030 for ; Tue, 13 Feb 2024 09:23:41 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=lists.lttng.org; s=default; t=1707834220; bh=FdbNsSOWoAeIpt6YifwW3CGnb2YiFahQFCNhbmGf7Fo=; h=To:Date:Subject:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:From; b=RmMR5YwVYClpEhv92l/jUEeqdgfqtUkXmUmHdl/BLyzulmAcuzRMy3842ElRneVQO dyENnwJU6rVhsrvGEtIcIfK9jypFwmQUY0ZaOdBe2PddQOONWu+q15Ttd1U9owmCQI pH6ju3goPrv5iroWvZv+wEMldk7ZHQD0sJx6jhXTaiPiVN26HRLKj5/mDRbGwXoZDQ gJCH7oAslqB02YIVu1VZ0/oXMzsViN4QVkILpYKb4ifF4aYiXVPsapg5KvbGsnnXqa xWrRCdqVQkul5p/Dxj/G2qXEZMZ1xOsQrkXzL40OPwlzgVPhOIZFp/lq5yRQ83v75V hvrn2W4V7bNzg== Received: from lists-lttng01.efficios.com (localhost [IPv6:::1]) by lists.lttng.org (Postfix) with ESMTP id 4TZ3Tl6Lb7z22k4; Tue, 13 Feb 2024 09:23:39 -0500 (EST) Received: from NAM10-BN7-obe.outbound.protection.outlook.com (mail-bn7nam10on20600.outbound.protection.outlook.com [IPv6:2a01:111:f403:2009::600]) by lists.lttng.org (Postfix) with ESMTPS id 4TZ3Tk4ldwz22Rm for ; Tue, 13 Feb 2024 09:23:38 -0500 (EST) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=H3ej7MXzu8y99YiPTbhnEjQ5IEzUD5tOWe4eaGpD2XLVfKDmR4L2Udj41P+0RNX2lZvGtZuAu6/FrMwj3neN0bUn1WKtEIqVn+9aqezqSjUdbmtqjEzjq6MXu55u+sEQSli53yhWF0rjaQw0GIYEq2+HdrfJd6uAk2vwMDjyaDeMDaB2AfvSo5uAOTpj9q312A2Eav49Qx/L6heeF0MkROi4PNm+/wqsIHHu88POVR4XOBn3FQcmFhKDDKwlFKF96XjrvUndxKcHk/wXuHCcy5hF+7oOg+ZWrEscThittQMm1NeijgyIRekIT84YQhE5tZckRIz2C8Uqwo1Co4SgDA== 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-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=hrRQF/2ptmvEYBY1tJ+NOJ1S9daQ33jUUebQzDIGBZs=; b=H6qJm3ZxFLNmZPXfeb4RKSfz1Hmtr4ggPJVwGsZIYXUV6dU/JvHirrzDSPfrzLcg8OG06qfGtzermQ/Xecwv/JzdikY5+IJFeTLwb2/qJlOZSLffP6kgh1pdQVj70sRrCHrQkrUU+VmDqA1sDIBqnLZ2MRUi0sNOCBNUD1DDagpD/knpfuRRo6gRCXFF/Gbvf1u0bw+AF/j+sofxVNT2/48Cltv7CM8CnMB77BWX5JXCdu+cgrEl7d6UzrvjteDLVlF1bKEa2YlyKFeT3YO5rxDqx8TAKQOfYL3QyqHs8etn5u9FzQwPC979EMI5rTLvElxKIGvMl4BM04wW61V3Vw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nvidia.com; dmarc=pass action=none header.from=nvidia.com; dkim=pass header.d=nvidia.com; arc=none Received: from MW3PR12MB4555.namprd12.prod.outlook.com (2603:10b6:303:59::20) by MW3PR12MB4362.namprd12.prod.outlook.com (2603:10b6:303:5d::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7292.25; Tue, 13 Feb 2024 14:23:35 +0000 Received: from MW3PR12MB4555.namprd12.prod.outlook.com ([fe80::63f7:10a5:21bf:c1a]) by MW3PR12MB4555.namprd12.prod.outlook.com ([fe80::63f7:10a5:21bf:c1a%3]) with mapi id 15.20.7292.022; Tue, 13 Feb 2024 14:23:35 +0000 To: "lttng-dev@lists.lttng.org" Thread-Topic: Crash in application due to watchdog timeout with python3 lttng Thread-Index: AQHaXoaat9RDuJ44UU6XCWc2w8dXCA== Date: Tue, 13 Feb 2024 14:23:35 +0000 Message-ID: Accept-Language: en-GB, en-US Content-Language: en-GB X-MS-Has-Attach: X-MS-TNEF-Correlator: msip_labels: x-ms-publictraffictype: Email x-ms-traffictypediagnostic: MW3PR12MB4555:EE_|MW3PR12MB4362:EE_ x-ms-office365-filtering-correlation-id: 41d90cfb-ac17-4d88-c4a0-08dc2c9f5d24 x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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 x-forefront-antispam-report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:MW3PR12MB4555.namprd12.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230031)(376002)(396003)(346002)(39860400002)(136003)(366004)(230922051799003)(186009)(64100799003)(1800799012)(451199024)(55016003)(316002)(71200400001)(19627405001)(5660300002)(2906002)(66946007)(66556008)(76116006)(66476007)(86362001)(66446008)(52536014)(64756008)(6506007)(6916009)(8676002)(8936002)(91956017)(9686003)(7696005)(38070700009)(478600001)(26005)(41300700001)(122000001)(4743002)(83380400001)(33656002)(38100700002); DIR:OUT; SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?iso-8859-1?Q?Xb1pvBvSJ5HLlyhslBzdLPkaQ1T+IxaUqObQLazbfGLzkQ0+mZh2gxNvVb?= =?iso-8859-1?Q?GSKTu39/c0pddBnsGo1Z/a089a7qPa/6hV8J/QwGd9jHdOZgpnt5LdYz3t?= =?iso-8859-1?Q?KILFegjfEJbGui0N2UUWecNAcrZ8l295Yb2xceQUNv2RpSNy2PIyb99MAI?= =?iso-8859-1?Q?tKZG9dVZ4J//BN3yRRMy8DGlSQxUw8+eIaSfBRumzCphRw44jbPOGmHque?= =?iso-8859-1?Q?ChpAE4f1Op+SKl2GQNSKFQdz6BO/xC9yAACsk682E54f8dQpbKOS4FbT1E?= =?iso-8859-1?Q?XIWRsBpk+TteEzDvThe8Ad5vmAmpB0r/yccXvA8PQwGAaXKvnxvoRQpoOh?= =?iso-8859-1?Q?ZzHMVjYx+c9wgDAJS51qNYC01VF3NJ0IGP6vBSsoUnqEEKta3HA+fEl+kQ?= =?iso-8859-1?Q?PgWSStHuByefKvy7/+dtxx4iwKwzMQ2HSvMTS53XpsMsUMg6PRZloP/FFM?= =?iso-8859-1?Q?aZ3n1ZGbWUS8MUgF+LCDBtoj2u7S9nRDiIdB+tBwRJobiCnt8nIU8jJbX+?= =?iso-8859-1?Q?eGMVEF1wR2UXksxeMVqrXshcvhoZ/Fk1Xvns0CO9cI5IcmQNRTzvrXcEAX?= =?iso-8859-1?Q?2hyeVNy3X01mD6HJKd9tgirrO3dpgTkEirOqfe4Uj1ZtvV2c9nmlZ4CI1e?= =?iso-8859-1?Q?c09192U1TbMhGUaUUiVYDeRUZtlti1kuR3tVVIabEcL0aHrQ5/PTPMHViW?= =?iso-8859-1?Q?/bhzT2Mh1JNPqKNY3HDM8WKcUDw3YxEYLEtB+otEjxTjW6rUmNEWQO3+K6?= =?iso-8859-1?Q?C4oHKNPmRSVsLMwJk1LcHhtvOrnferO3himXA8vs0ozwvb8vUFeQy1ZSub?= =?iso-8859-1?Q?M8HzjW/oMC9cAdO79ahKy/0CgW4X4EKTfo53Y6WZFj6BCxWSkHW0TPfn8x?= =?iso-8859-1?Q?q3ReJaJ3M91lG4ACgc8Ihno4Numt7wQABjRLEx2CIWO93MzMxUi3m4NL9N?= =?iso-8859-1?Q?bhI28onqkRoAm0sUSL1p0TOPUpnhC4afMW9G9R+Hj254VtUoWGTd79WY2o?= =?iso-8859-1?Q?DMMvC+tv9L9VUuYljpJ3NTyh9BdVbjsrUKMvw3PBMDJT17NTVZOhK7yEgt?= =?iso-8859-1?Q?dsIUKM5kBQiY6YdVR4VAURetbQQWJ15hmqhBZTbOM4HVYF2YxiQvO6AwEq?= =?iso-8859-1?Q?4eERLbvyYeqBpT0V4Axl2UMRHBEsCp9IV1KdjUbcDRr4MzCYJQ5bv34sYr?= =?iso-8859-1?Q?88gZhFJoICJpRdimjs0XyOuzpwbMGLKleTqcWdAjAQzr8AVFXfx9gm47d5?= =?iso-8859-1?Q?h35g4lNx23lj6jfn2Xx+WZ6k1YYQb0r+Rh8GGC2f8DvD/mPxtGbC5tORzy?= =?iso-8859-1?Q?P/UnSts+1O2B6bmmtKbO/zs1tTs+zktU4q7oAF5ZSqR5mTc22u3fh49Vbk?= =?iso-8859-1?Q?nLHvztcsZ2WAZJX5JALW1BembGbSc6BXWE2UIMz5gC+5pPP6+eDEPeFCLk?= =?iso-8859-1?Q?9JcvuUpgEHPkTgwnVaBWvgxCV/nPtVXPVpStYqFb0vuPcwoQzlUX614Ybb?= =?iso-8859-1?Q?kWwyhXTLXhMGd3J2z5ESRdpeAjfSDHWX3uogTEmVUmeMLCzkXMfjb7HPpI?= =?iso-8859-1?Q?jfOUWGn52/uIsWIumOGGDo/cVtjC5Gqyt2yIGYMlxwjbpmg2cNbyKxkMm1?= =?iso-8859-1?Q?vmUu0RSksIqDE=3D?= MIME-Version: 1.0 X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MW3PR12MB4555.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 41d90cfb-ac17-4d88-c4a0-08dc2c9f5d24 X-MS-Exchange-CrossTenant-originalarrivaltime: 13 Feb 2024 14:23:35.3676 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: GpIRSSTw1RCpEd2CFCXUmDF3+mrDqLhNA6uJbdywpVrgLdisJSSmTKvqjQDUyX4oa4fzUnSX9oqIb0lfmv4c9g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW3PR12MB4362 Subject: [lttng-dev] Crash in application due to watchdog timeout with python3 lttng X-BeenThere: lttng-dev@lists.lttng.org X-Mailman-Version: 2.1.39 Precedence: list List-Id: LTTng development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Lakshmi Deverkonda via lttng-dev Reply-To: Lakshmi Deverkonda Content-Type: multipart/mixed; boundary="===============5966129563293313972==" Errors-To: lttng-dev-bounces@lists.lttng.org Sender: "lttng-dev" --===============5966129563293313972== Content-Language: en-GB Content-Type: multipart/alternative; boundary="_000_MW3PR12MB4555D9C015549D882B1FE87BD94F2MW3PR12MB4555namp_" --_000_MW3PR12MB4555D9C015549D882B1FE87BD94F2MW3PR12MB4555namp_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi, We are able to integrate python3 lttng module in our application(python3 ba= sed). However, we are seeing that whenever the application terminates, ther= e is watchdog timeout due to timeout in joining the threads. What could be = the reason for this ? Does lttng module hold any thread event locks ? We are completely blocked on this issue. Could you please help ? Here is the snippet of the core dump (gdb) py-bt Traceback (most recent call first): File "/usr/lib/python3.7/threading.py", line 1048, in _wait_for_tstate_lo= ck elif lock.acquire(block, timeout): File "/usr/lib/python3.7/threading.py", line 1032, in join self._wait_for_tstate_lock() File "/usr/lib/python3/dist-packages/h.py", line 231, in JoinThreads self.TT.join() File "/usr/sbin/c", line 1466, in do_exit H.JoinThreads() File "/usr/sbin/c", line 7201, in main do_exit(nlm, status) File "/usr/sbin/c", line 7233, in main() (gdb) On a parallel note, thanks to Kienan who has been trying to provide pointer= s on various issues reported so far. Need help on this issue as well. Thanks in advance, Regards, Lakshmi --_000_MW3PR12MB4555D9C015549D882B1FE87BD94F2MW3PR12MB4555namp_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hi, 

We are able to integrat= e python3 lttng module in our application(python3 based). However, we are seeing that whenever the application terminates, t= here is watchdog timeout due to timeout in joining the threads. What could = be the reason for this ? Does lttng module hold any thread event locks ?&nb= sp;
Lakshmi


--_000_MW3PR12MB4555D9C015549D882B1FE87BD94F2MW3PR12MB4555namp_-- --===============5966129563293313972== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ lttng-dev mailing list lttng-dev@lists.lttng.org https://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev --===============5966129563293313972==--