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=-3.0 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 09F04C07E99 for ; Fri, 9 Jul 2021 19:01:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C5144610C7 for ; Fri, 9 Jul 2021 19:01:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229535AbhGITEe (ORCPT ); Fri, 9 Jul 2021 15:04:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37570 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229459AbhGITEe (ORCPT ); Fri, 9 Jul 2021 15:04:34 -0400 Received: from mail-pj1-x1032.google.com (mail-pj1-x1032.google.com [IPv6:2607:f8b0:4864:20::1032]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D5810C0613DD for ; Fri, 9 Jul 2021 12:01:50 -0700 (PDT) Received: by mail-pj1-x1032.google.com with SMTP id x21-20020a17090aa395b029016e25313bfcso6595677pjp.2 for ; Fri, 09 Jul 2021 12:01:50 -0700 (PDT) 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=zjPYFNP/4bWKiS4Tt52QOU/BI4y3bdEiErjfd5IVs2c=; b=uBWIWPPYjSttNfmPCuemXtVlpX4iVC/cS83hzvgsEx6opc6oP/yFcj2aLHBI0pOxO1 c0MgAhUMwKZcUK43aozGDWPUwSSckiRbn1Mo99t/7v0W5DBVLYy1mWLDwHOuuk7VBRrv O7pA1RJ60z4vD83qRFd3RHIHk2nFqGxdSV0z1i1+COiGmr8wkrcc43sIO0GnHFVT0Vff u+oo1NSU4NsRtjamF69bOXV72jK8s/82RmSigddcieA4W4DOGCHS/JO8qeEW0wj7+QSb T883Tusk5i8owiUHZ0OZ1bj0iXw/C3XzXWnDbn1dfMm4eCcRltr3dExSzeN7UsDk5vfN GUAg== 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=zjPYFNP/4bWKiS4Tt52QOU/BI4y3bdEiErjfd5IVs2c=; b=hE2bABGRAU/Ixi8Y37olfM2LuCEClx7L4nfKeXk+DX33WmR98cF2UVL79JwIfCdoi2 /gSNrIMO+b6KTpREyBV03IeYM7Ah4kZdmoYKYHmn4l3pBtMin2ky/KHK8uuSWwctd1Qi 6QNPmXwF1HOCAb5NI9bPk9DMo+T4EaOejzsGuxCCgNGFt6y7sjxlyXuK5I5huSXGo6zp 7QWh6emTKtbK/HKeDwD126NR7pJVqmLi/is24I7sVqxvALnzwClMpXTGEgvMZhbbYh1R +o5D4VJz+W3Wggn3bh+dMrF6mB1URblU+IsjVAttif+xxpzWH09kiuZpembqNhytb9IT k1Dw== X-Gm-Message-State: AOAM531MUpMYWtBa8FRRlwBtvxdEFtDM3t5YNN5Nz8pfQRcSQErme9CS y0G/5EfeLG7Id1QSvu+oxsTjRaKplLiuWLML04CH5MSdRPwafg== X-Google-Smtp-Source: ABdhPJwjFqf9rtBsmxAPuHaUFvFSqBTJpUBYcjiwWVIaX8KPBw0r3R0kedMylE8ACGDUOoCc8jnhQGJ64ku/XuZvzGk= X-Received: by 2002:a17:90b:3647:: with SMTP id nh7mr5419457pjb.228.1625857310313; Fri, 09 Jul 2021 12:01:50 -0700 (PDT) MIME-Version: 1.0 References: <20210706161908.BE32.409509F4@e16-tech.com> In-Reply-To: <20210706161908.BE32.409509F4@e16-tech.com> From: Yan Li Date: Fri, 9 Jul 2021 12:01:39 -0700 Message-ID: Subject: Re: autodefrag causing freezes under heavy writes? To: wangyugui@e16-tech.com Cc: linux-btrfs@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On Tue, Jul 6, 2021 at 1:19 AM Wang Yugui wrote: > The message 'blocked for more than 120 seconds.' show which job is > blocked. > > Is there some message like 'watchdog: BUG: soft lockup - CPU#XX stuck for XXs!'? > that show which job blocked others. Nope. There was no such a message. > so a full dmesg is useful. Here you go https://pastebin.com/TwChmFmC > If there is no good info in the full dmesg, the call trace of 'freeze' > status is useful too. > > echo "t" >/proc/sysrq-trigger will output all jobs call stace. I'll try next time. I can't reboot this system very often, since it's a production system. Thanks! -- Yan