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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 400D8C433F5 for ; Thu, 21 Oct 2021 14:49:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1E98A61221 for ; Thu, 21 Oct 2021 14:49:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231206AbhJUOvN (ORCPT ); Thu, 21 Oct 2021 10:51:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43836 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230072AbhJUOvK (ORCPT ); Thu, 21 Oct 2021 10:51:10 -0400 Received: from mail-yb1-xb2e.google.com (mail-yb1-xb2e.google.com [IPv6:2607:f8b0:4864:20::b2e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2200CC0613B9 for ; Thu, 21 Oct 2021 07:48:54 -0700 (PDT) Received: by mail-yb1-xb2e.google.com with SMTP id v200so762879ybe.11 for ; Thu, 21 Oct 2021 07:48:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=colorremedies-com.20210112.gappssmtp.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=3LL34yWxWyQ1H9uT7CS94EDIv7hnYR0661N+LGgm02Y=; b=bJeqF6ymq9hIy3Dq4d9Z7S4P+jtLv4loDbCAa/JZ3LIdST/jYEo6PK9NITtesC7rju i4CIdgH1OzLvXayFn8V+43jTSELSBHAO18s6zsaowWn7bf44lQo3NkcTOL949qkEMvbF QExe5qguQ+19tvGSJ4oFbuuXle5Bt5kg87uNNZ3K3RjrC4j5glL1QbCAU8WbnBKAc7pE MQGFg4gYA7NGQFwNE3b+DXLmS40GF5Uo0atBKFNO42XYF8yhW+7KI787mBoQsBqcFLD2 09oMR2yzCjhTiKTMe0iyj8jTVg/mmGISYkUtxYYGnJe42ynwMBYKb9bsONr7fDWy67w9 JrtQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=3LL34yWxWyQ1H9uT7CS94EDIv7hnYR0661N+LGgm02Y=; b=Ah14tYIiVF2tTKBG8kJbA9KRwILMqNgAM3PbVdWKJ9WKwbnlzAdFw0GkGkPX3xKZA2 H+9eqvql+/ESpGDyioUviwgtes76USX+zAkD7lVMdmb8jTSnoLUV7xDnAAw+xGSFacA/ RMV8zzMnsFECKNINov2cxoH+cGUevE4mLdEyYCR+0WwNS4XmXPtQjQnGz+RsDRZ/csbD /qEXLLpGsS/TwUKJTJjCKi9Q7a2Awc7io/3T5Los326Jkr4EsD5crxaKE407LS4wR7YL JuNFe7dmtpIkQBJFxgrh37iszdyf/blOaW8UHd2sz0raNtHNg2aoKfFMflR7/XcisgRK wr3A== X-Gm-Message-State: AOAM533ElL1wcyfMQbYwcEM8qxurUJBR+xIgE2Y6AdhdGvtBnfnsp0dw u90JyNwuXrZfWQuIAHpPTvSxRU/+iihfoxFNcUnpQQ== X-Google-Smtp-Source: ABdhPJxvDv2ZRHWAzy3lkO5bRKFiAp9cGarmXyOvujZI3hQzfGg21iKkCHSWKzVttgulvzi/Vqk7t/4aA771TPjsNXY= X-Received: by 2002:a05:6902:102f:: with SMTP id x15mr6373566ybt.341.1634827733385; Thu, 21 Oct 2021 07:48:53 -0700 (PDT) MIME-Version: 1.0 References: <9b153cca-2d9a-e217-a83f-1a8e663fc587@suse.com> <7de9iylb.fsf@damenly.su> <35owijrm.fsf@damenly.su> In-Reply-To: From: Chris Murphy Date: Thu, 21 Oct 2021 10:48:37 -0400 Message-ID: Subject: Re: 5.14.9 aarch64 OOPS Workqueue: btrfs-delalloc btrfs_work_helper To: Chris Murphy Cc: Su Yue , Qu Wenruo , Nikolay Borisov , Qu Wenruo , Btrfs BTRFS Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org [ 287.139760] Call trace: [ 287.141784] submit_compressed_extents+0x38/0x3d0 [ 287.145620] async_cow_submit+0x50/0xd0 [ 287.148801] run_ordered_work+0xc8/0x280 [ 287.152005] btrfs_work_helper+0x98/0x250 [ 287.155450] process_one_work+0x1f0/0x4ac [ 287.161577] worker_thread+0x188/0x504 [ 287.167461] kthread+0x110/0x114 [ 287.172872] ret_from_fork+0x10/0x18 [ 287.178558] Code: a9056bf9 f8428437 f9401400 d108c2fa (f9400356) [ 287.186268] ---[ end trace 41ec405ced3786b6 ]--- [61620.974232] audit: audit_backlog=2976 > audit_backlog_limit=64 [61620.978698] audit: audit_lost=1 audit_rate_limit=0 audit_backlog_limit=64 So it's at least 17 hours later since the splat. Is it worth sysrq+c now this long after? Or should I set it up like Nikolay suggests with kernel.panic_on_warn = 1? Maybe I should also put /var/crash on XFS to avoid problems dumping the kernel core file? -- Chris Murphy