From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CEEB0C433DB for ; Wed, 23 Dec 2020 08:47:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8E74F2067C for ; Wed, 23 Dec 2020 08:47:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727880AbgLWIrA (ORCPT ); Wed, 23 Dec 2020 03:47:00 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38886 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727050AbgLWIq7 (ORCPT ); Wed, 23 Dec 2020 03:46:59 -0500 Received: from mail-wr1-x429.google.com (mail-wr1-x429.google.com [IPv6:2a00:1450:4864:20::429]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4B533C0613D6 for ; Wed, 23 Dec 2020 00:46:19 -0800 (PST) Received: by mail-wr1-x429.google.com with SMTP id q18so17821707wrn.1 for ; Wed, 23 Dec 2020 00:46:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=kumoSmeRPiAQwJCFk+k+5XNW9leT32eSF9y1wTUfmZw=; b=YBSZTOJ+FUq+MRIsqv63haRHrT+86M9Ala4yoGuiYZLkhJLQBSP6tqLZAVxjEQMq+y jM/sgIPKN7vdtB5O8YFKi8b08ft8/JUndyF9FwYQ5tblW2g6kvGze3utBxwbdAHK3UVY /wpbwhTTCvEDq4gX/yL2vstY+qp7Aq7uGNBB0GfzC3taPFfQrJq/kCI4Ae6nR/FDD550 a7jBnVwPoyjiaYFM+LBcVr7UliWzCslEyy9aGcF1gfArz+OOUtOr5fd5PArb2xrnlZZ3 uz3OJAr6pQEV1qVAAm53C269t97PtABh53FhLBUK5rdfHFjinmJtH6n6En0GxRir0wzR iEjQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=kumoSmeRPiAQwJCFk+k+5XNW9leT32eSF9y1wTUfmZw=; b=qOv0/zU4KBQ40VC5GTkEOjGYYMR006kQPFQ6qXPuqle0jv+6Cw8bq0eQzuB9TLH6og aK3z2PZkiR6FaSOjPJP1hrSHuwBTej+X1ZPPOub76BGnNoSgLDLSwelEvgyZIGQXXBim VvqsPZ7b6DDFQX2T3oHL7HlaAL8XhidClxndC0yx7b+bSivutu8ozxe55Cy7TKH6FgDf /nNH9eFafqmj7xpcVNeC1P5aiUHv+Gxjuc5vbP7TRQA+IJYCGp5w3dCJYgR6JmYGgZK5 4/IsbXC1TJTv/aWUSFpKyGG0n9Jcnu20zPl6ReBtVE/KTNQd7VNfkQJ5wHHsdWpUDg6+ kr4w== X-Gm-Message-State: AOAM532gKCeRZnujaPr6bWaRoa1OJ+MyGgZPTJbIY/KI4xNkvlUZ8bpb bLeHI1RcnVwN4wXXewnTY6hWX4DVylmiTcR1uSOjKhpN X-Google-Smtp-Source: ABdhPJyMevuCAQO2h8IUQxkg0MAHEu4JFmoMLU8d3LbiYPRN+LkCWDnINt+SkcZ5DIZ611as9pV08rxwscVinlmeCbM= X-Received: by 2002:adf:f88d:: with SMTP id u13mr28965549wrp.161.1608713177936; Wed, 23 Dec 2020 00:46:17 -0800 (PST) MIME-Version: 1.0 References: <20191105085446.abx27ahchg2k7d2w@orion> <20191105103652.n5zwf6ty3wvhti5f@orion> In-Reply-To: From: Sitsofe Wheeler Date: Wed, 23 Dec 2020 08:45:52 +0000 Message-ID: Subject: Re: Tasks blocking forever with XFS stack traces To: linux-xfs@vger.kernel.org Cc: Carlos Maiolino Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org On Wed, 13 Nov 2019 at 10:04, Sitsofe Wheeler wrote: > > Nov 12 16:45:02 kernel: [27678.931551] INFO: task > kworker/50:0:20430 blocked for more than 120 seconds. > Nov 12 16:45:02 kernel: [27678.931613] Tainted: G > OE 5.0.0-32-generic #34~18.04.2-Ubuntu > Nov 12 16:45:02 kernel: [27678.931667] "echo 0 > > /proc/sys/kernel/hung_task_timeout_secs" disables this message. > Nov 12 16:45:02 kernel: [27678.931723] kworker/50:0 D 0 > 20430 2 0x80000080 > Nov 12 16:45:02 kernel: [27678.931801] Workqueue: > xfs-sync/md126 xfs_log_worker [xfs] > Nov 12 16:45:02 kernel: [27678.931804] Call Trace: > Nov 12 16:45:02 kernel: [27678.931814] __schedule+0x2c0/0x870 > Nov 12 16:45:02 kernel: [27678.931819] schedule+0x2c/0x70 > Nov 12 16:45:02 kernel: [27678.931823] schedule_timeout+0x1db/0x360 > Nov 12 16:45:02 kernel: [27678.931829] ? ttwu_do_activate+0x77/0x80 > Nov 12 16:45:02 kernel: [27678.931833] wait_for_completion+0xba/0x140 > Nov 12 16:45:02 kernel: [27678.931837] ? wake_up_q+0x80/0x80 > Nov 12 16:45:02 kernel: [27678.931843] __flush_work+0x15c/0x210 (Quite some time later) This issue went away after switching to an Ubuntu 18.04 5.3 LTS kernel. Later kernels (e.g. 5.4) have not manifested the issue either. -- Sitsofe