From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from esa2.mentor.iphmx.com (esa2.mentor.iphmx.com [68.232.141.98]) by sourceware.org (Postfix) with ESMTPS id 806F63851C1F for ; Mon, 25 Jan 2021 07:33:41 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 806F63851C1F Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=codesourcery.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=Tobias_Burnus@mentor.com IronPort-SDR: He7wlN03QBO+9WNOQtCpUUc2vcSJSv49fnWB9nlcsbh9S+ANaIjiHgfw0UO3blwo1AcwkzWD4n yP/GVIdIGiadK5nssGG7Zt02DxWkQt8WuooVcRf5rSKMaqU246lgFYhRz96x4ZBE/p7omWgrbO YapTcDXPLyL71/Cgh/gAnRPIO+okG+QkU2jZ3wfTB2vk0j9D4giH7Qdjq4aKvgqvHWd9BVoiO3 rW1VooFjTTX/LmaQ+IN+7BTMU9sHXKYvn4qwdazuTRm+ACrfUZd3Ze5uzH3InuYn2cHDpOZHmr 6jI= X-IronPort-AV: E=Sophos;i="5.79,372,1602576000"; d="scan'208";a="57377246" Received: from orw-gwy-01-in.mentorg.com ([192.94.38.165]) by esa2.mentor.iphmx.com with ESMTP; 24 Jan 2021 23:33:39 -0800 IronPort-SDR: tQ55i2z/fuxj+8GQtshBFYQmh8eJ9PqBDEKTz2nxBAKpJWYfE/e9O+1WPhwc/4KwqSUfFYCAPL 1PFc4JYsulS1VNJWE0DEU4rdWZnNnpx1eiC42w0jjgnFjoCVvDuEGwLPDO1iSNBlay308MWdxX wWBAOlBtnNu1gGj9C+oAcI6NlVCdFqjgS7LA4/e59k+WW6BKv1wGMgb54PGsr2+7nOi+sAevS4 e3JTuFdEx+bDJ1O4u+jBDKJP1xkqYH++UCcLHd70w2YltfZr/ybAo0gxQW3cy8DyN5lI/O72X1 Nk4= Subject: Re: Non-dwarf blocks detected by valgrind To: Paul Richard Thomas CC: fortran References: From: Tobias Burnus Message-ID: <362769a6-4184-e59b-ded1-7cbe972c84ba@codesourcery.com> Date: Mon, 25 Jan 2021 08:33:34 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: quoted-printable Content-Language: en-US X-Originating-IP: [137.202.0.90] X-ClientProxiedBy: SVR-IES-MBX-04.mgc.mentorg.com (139.181.222.4) To svr-ies-mbx-01.mgc.mentorg.com (139.181.222.1) X-Spam-Status: No, score=-6.3 required=5.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, KAM_DMARC_STATUS, NICE_REPLY_A, RCVD_IN_DNSWL_NONE, SPF_HELO_PASS, SPF_PASS, TXREP autolearn=no autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: fortran@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Fortran mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Jan 2021 07:33:43 -0000 Hi Paul, On 23.01.21 14:32, Paul Richard Thomas wrote: > Thanks for the quick reply. However, -gdwarf-4 does not quieten valgrind = down. Works here, trying with the third attachment to PR64290, current GCC on x86_64-gnu-linux, and Valgrind-3.15.0 of Ubuntu focal (20.04.1 LTS). With "gfortran -g" (or "gfortran -gdwarf-5), I get: --721834-- WARNING: Serious error when reading debug info --721834-- When reading debug info from /dev/shm/a.out: --721834-- Ignoring non-Dwarf2/3/4 block in .debug_info But when I use "gfortran -gdwarf-4" (or "gfortran -g -gdwarf-4"), no error = is shown. > Does this constitute a regression? From your description, yes. Can you give more details how to reproduce it? Tobias ----------------- Mentor Graphics (Deutschland) GmbH, Arnulfstra=C3=9Fe 201, 80634 M=C3=BCnch= en / Germany Registergericht M=C3=BCnchen HRB 106955, Gesch=C3=A4ftsf=C3=BChrer: Thomas = Heurung, Alexander Walter