From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gnu.wildebeest.org (gnu.wildebeest.org [45.83.234.184]) by sourceware.org (Postfix) with ESMTPS id 230543858D20 for ; Tue, 29 Aug 2023 14:20:19 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 230543858D20 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=klomp.org Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=klomp.org Received: from r6.localdomain (82-217-174-174.cable.dynamic.v4.ziggo.nl [82.217.174.174]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by gnu.wildebeest.org (Postfix) with ESMTPSA id C64E230067AE; Tue, 29 Aug 2023 16:20:17 +0200 (CEST) Received: by r6.localdomain (Postfix, from userid 1000) id 4B9403403C6; Tue, 29 Aug 2023 16:20:17 +0200 (CEST) Message-ID: <6dd3d9702f5f9f67517e0f33baa6567dc7889aa7.camel@klomp.org> Subject: Re: =?UTF-8?Q?=E2=98=A0?= Buildbot (Sourceware): elfutils - failed test (failure) (master) From: Mark Wielaard To: elfutils-devel@sourceware.org Cc: Xi Ruoyao Date: Tue, 29 Aug 2023 16:20:17 +0200 In-Reply-To: <20230829140404.612E33858C20@sourceware.org> References: <20230829140404.612E33858C20@sourceware.org> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.48.4 (3.48.4-1.fc38) MIME-Version: 1.0 X-Spam-Status: No, score=-3027.5 required=5.0 tests=BAYES_00,JMQ_SPF_NEUTRAL,KAM_DMARC_STATUS,RCVD_IN_BARRACUDACENTRAL,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: Hi, On Tue, 2023-08-29 at 14:04 +0000, builder--- via Elfutils-devel wrote: > A new failure has been detected on builder elfutils-centos-x86_64 while b= uilding elfutils. >=20 > Full details are available at: > https://builder.sourceware.org/buildbot/#builders/39/builds/216 >=20 > Build state: failed test (failure) > Revision: 2ba424d65adca45b799a3973d43ccaf4002cb833 > Worker: centos-x86_64 > Build Reason: (unknown) > Blamelist: Xi Ruoyao This isn't caused by that commit. > - 7: make check ( failure ) > Logs: > - stdio: https://builder.sourceware.org/buildbot/#builders/39/bui= lds/216/steps/7/logs/stdio > - test-suite.log: https://builder.sourceware.org/buildbot/#builde= rs/39/builds/216/steps/7/logs/test-suite_log Unfortunately this happens occasionally on this centos7 x86_64 setup. The issue is that only the "child" thread can be unwound, but not the main thread. I don't know why however, since it doesn't happen always. It could be that the kernel generates a bad core file or that the main thread is in a weird state (without unwind cfi) after the clone. Cheers, Mark