From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf1-x42a.google.com (mail-pf1-x42a.google.com [IPv6:2607:f8b0:4864:20::42a]) by sourceware.org (Postfix) with ESMTPS id 47EE63858C78 for ; Wed, 31 Jan 2024 15:36:47 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 47EE63858C78 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=linaro.org ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 47EE63858C78 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=2607:f8b0:4864:20::42a ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1706715409; cv=none; b=sWb9o0cDvGAVtWOVBHwXN9cGPBjKDSf2WniDi9/ISqxqdKCRTWVXmz60VY/xfkptB7KZ8xVALSmzBeaeNRetlfhSVNkMS/zHcfGpumxc7ral+23QWbAPjnyl+okD257du1Oyj54KJzjUSTdpxvwmbud+a17626U+KOYpm8Sw93A= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1706715409; c=relaxed/simple; bh=JNpJN4uufXpYjDiNdfVvsBUS/4qBPAQHn3TMpeSpwiI=; h=DKIM-Signature:From:To:Subject:Date:Message-ID:MIME-Version; b=jALChRywIpe5N7lzlhSlQGsVJa8XGIMChM4z30K6Oa3e6ax9LaSh2iCcsnLlfUwSrRsCgKB0wxI5WDEmuetC4URUFmCayuFeg3nDR8YICqx2RFC4QOqgiSRrVW2ZHpDBXFIIGt6mvEahoLRTM4riZM0HmDk8ofIQ2lT9j99iMcA= ARC-Authentication-Results: i=1; server2.sourceware.org Received: by mail-pf1-x42a.google.com with SMTP id d2e1a72fcca58-6de2f8d6fb9so2226465b3a.1 for ; Wed, 31 Jan 2024 07:36:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1706715406; x=1707320206; darn=sourceware.org; h=content-transfer-encoding:mime-version:message-id:date:in-reply-to :subject:cc:to:from:user-agent:references:from:to:cc:subject:date :message-id:reply-to; bh=IgX2XWXEkPLGdTauVY62o/LebnIkDYxFUMWzJVENfnw=; b=p/2Fhw4vdeT7zqAEpmX260K2rEXoFK8dztH+v/ef+F4p9nNeZsLaqgcVL3E8fASCky TGAaWQCFTz6weh3374UtPRGNk+QqQJpPs+mpnP9vttIqmTP8VTCMHdAwcBiTMy+otWuV GFy5GinkPB8dps1Js5O3o9SuxhWf512aV00A1bHYVMr1zSNi4YNVKqpfIIfNV95AhvJX aOMRO1G7czNWYQHIlZmYAb3sDeXT03HyDQny0byMT9fqa5/dTUirYaS5EQ/IlW1vQzoz SmLlvEADF18IsJm+S5LrZDMzaWsZWQp23qeqN9Q257zFZkRsp7x/z25XEJExZVEFGp9R Afzg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1706715406; x=1707320206; h=content-transfer-encoding:mime-version:message-id:date:in-reply-to :subject:cc:to:from:user-agent:references:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=IgX2XWXEkPLGdTauVY62o/LebnIkDYxFUMWzJVENfnw=; b=B1Ylk7gDmVVtvXkOIFNkLCbk8+8TTt+kEN6i47PZS5813Bij/nVMnOld6EO+V+9Zr1 hU4B/w+NVnD6zsqzVDsuCl/WPmgfaVxBlFu/hI+7Ok2gvV1ppTqQpe8f3+DMm6bJ4XoO d+dvtF4B9zn3gqPWlEMwppgSsPCPNOgS7qfvF8m2WtNFrBkQ4zGrlV1dg+zi4CQTMPSm idZgxFP8K68Em55n0HIK/re7eQw5Wo86s4l6EOZp4kysCpBYWLPNbqQ8nP9JWE2S3Z05 UH4YGPUTMr6g5+sGHL6TEVc54rQMOQjk36UNWPhzfUkKlnsHYNmZmeKuGgdcWGof4RFx GRIw== X-Gm-Message-State: AOJu0YzvSsom6YPq83cD7AVy/DMutcPDepseBwnYiFEjtOCJeEb9EI+Q n8uJwF0zk/zHUjYQmGt//ER54XIirq1Ao/2LZ+lUeVr6d0MG9nKFNH9Ll1kF4jo= X-Google-Smtp-Source: AGHT+IHQPZjUjbBnSvjz+XEfM0iOAAvYYCdb9qV+Xmj8JNlRxBjXfqBp/qy3XVzGrzl9rS0IeiTQQw== X-Received: by 2002:a05:6a00:2f8c:b0:6de:8ad:dac0 with SMTP id fm12-20020a056a002f8c00b006de08addac0mr2193077pfb.4.1706715406180; Wed, 31 Jan 2024 07:36:46 -0800 (PST) X-Forwarded-Encrypted: i=0; AJvYcCXocurB828Qb1qYy3wWiXcLlLGtUt/s/ibNv7p8aprhxQF5y6oqpYwRebqfyNsBw/Rurx6yPNXRxISZ9NzwOFKU1N0M9+GLMcOgHaeDCyFrkSpJVdGmoxHjGIhXRb1ENx+gUXGaCBQ8KNI9GFEmZDfofX5uA91moNNdtw== Received: from localhost ([2804:14d:7e39:8470:60d0:8240:3f26:525b]) by smtp.gmail.com with ESMTPSA id e12-20020aa78c4c000000b006dde0df3a7esm10070908pfd.101.2024.01.31.07.36.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 31 Jan 2024 07:36:45 -0800 (PST) References: <1950113685.1112.1706650248017@jenkins.jenkins> User-agent: mu4e 1.10.8; emacs 29.1 From: Thiago Jung Bauermann To: Maxim Kuvyrkov Cc: Linaro Toolchain Working Group , Joel Brobecker , gdbadmin@sourceware.org, gdb-testers@sourceware.org Subject: Re: [Linaro-TCWG-CI] gdb-14-branchpoint-1426-gb960445a459: FAIL: 1 regressions on arm In-reply-to: Date: Wed, 31 Jan 2024 12:36:43 -0300 Message-ID: <87bk91qzuc.fsf@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: Hello, This is recorded as GDB bug #31254=C2=B9. I've been investigating it and yesterday I realised it's a memory corruption issue in a data structure used by the Arm unwinder which uses exception tables. I hope to have a fix for it soon=E2=84=A2. =C2=B9 https://sourceware.org/bugzilla/show_bug.cgi?id=3D31254 Maxim Kuvyrkov writes: > Hi All, > > This is a false positive, obviously. We do our best to filter out flaky = tests, but in > this case "gdb.threads/staticthreads.exp: up 10" PASSed twice in the prev= ious run, and > then FAILed twice in the next run. Sneaky! > > Re. the FAIL, the testcase expects to be " in main .*" after "up 10", but= ends up in > pthread_join() instead: > =3D=3D=3D > up 10 > #4 0x0001b864 in pthread_join () > (gdb) FAIL: gdb.threads/staticthreads.exp: up 10 > =3D=3D=3D > See [1] for details. > > [1] > https://ci.linaro.org/job/tcwg_gdb_check--master-arm-build/752/artifact/a= rtifacts/00-sumfiles/gdb.log.1.xz > . > > Hi Thiago, > > Would you please investigate whether ending up in pthread_join() is expec= ted/reasonable > for 32-bit ARM? In other words, whether we have a GDB bug exposed by sta= ticthreads.exp or > the testcase needs to be generalized a bit. > > Thank you, --=20 Thiago