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=-2.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham 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 5BEA6C04EB9 for ; Wed, 5 Dec 2018 10:59:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ECDD620672 for ; Wed, 5 Dec 2018 10:59:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="KdKNbue2" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ECDD620672 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gelma.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-btrfs-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727573AbeLEK7o (ORCPT ); Wed, 5 Dec 2018 05:59:44 -0500 Received: from mail-lf1-f44.google.com ([209.85.167.44]:46587 "EHLO mail-lf1-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727541AbeLEK7i (ORCPT ); Wed, 5 Dec 2018 05:59:38 -0500 Received: by mail-lf1-f44.google.com with SMTP id f23so14357034lfc.13 for ; Wed, 05 Dec 2018 02:59:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=kJDb0BNhdjLReSP5EDL2hrFa/VJA5hNqpaNxxH7SJSI=; b=KdKNbue2JmZsP8l/R63GpUIwj7TNFPitGzMK8A2H8HRszoNKL035eizM2+4o2HNBqH y40nMluGNPlWlmtwJ2P9sgeuwR0auV5p0J2IWZhWfa6L8fd5yY6yWrl57JyPsZ76vAzR s5Du5+u2kGbI9IhwDmo1OVYxAo+L9IXMYu6KPi63ssAv8R5rBTPa3SEifBb5wAk2Iw3f QSHr6IP1M6VtUzqPYmotLIkoQE1uZftazN23RoYjYLlW4iH3+0T3AG9ngH/1q86crSJM W9aAJJIWtdlpFxZmGr04tgWSAc7D8KrH1G1oFAdR0Zt6pVWhH2yg0QxKcU1m6NRFbiKF viBw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to:user-agent; bh=kJDb0BNhdjLReSP5EDL2hrFa/VJA5hNqpaNxxH7SJSI=; b=ps2+RnMSrVIEWyjxYZgC/QuhI3FJh1xM2njs+umde0UVMFSgvlASSdEnK2F2JwThLQ iT8A20mMwE+xufl3PmGznUcdt5fHW4bU6OxJf3K4dHGU+yNkUoeR9yYl335HN4UK9BMx 6qYpyOJEOam2r7B6cDk+XFOFjYvyMii9D0O0R06qV/ohFWHu2aV8IetWVIRlULPbCfMZ KgiDr5AuB6Fbsddz8j4RjQzev/tmmIAyuPK6hB0ua9lMtGoA/FI0RgQixhF+OwbfhOwu KPBP3DG8cHkrWSGtICy0OrXhQZm3gwYQMeqeYcARKQaoBxcU/6i7eH7vdq14IuBeGvsp 5oPQ== X-Gm-Message-State: AA+aEWZkXAhQyuqnvXihL7Zno7bCBbPtE51qb+xC9ftXrzU1Abi+MB2/ rHA8DD3n4F9IEWw+y/PckU4= X-Google-Smtp-Source: AFSGD/XXiZJpF+sYVsHWgHA9L72hZ9eMaUsX4zHs3onpURKk2CngwUoqh71wG9zkzmGMs6dvW3D+qQ== X-Received: by 2002:a19:9a8c:: with SMTP id c134mr13392084lfe.152.1544007575018; Wed, 05 Dec 2018 02:59:35 -0800 (PST) Received: from glet (anon-39-32.vpn.ipredator.se. [46.246.39.32]) by smtp.gmail.com with ESMTPSA id m77sm3558179lfg.3.2018.12.05.02.59.32 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 05 Dec 2018 02:59:34 -0800 (PST) Date: Wed, 5 Dec 2018 11:59:28 +0100 From: Andrea Gelmini To: Chris Mason Cc: Qu Wenruo , "linux-btrfs@vger.kernel.org" Subject: Re: Linux-next regression? Message-ID: <20181205105928.GA29665@glet> References: <20181126150137.GA16029@glet> <845890af-0659-fbfa-c445-d6f109bd5015@gmx.com> <20181127141144.GA23269@glet> <4f1bb6e7-434a-47d2-a75f-8aca702f5395@gmx.com> <20181128160523.GA5288@glet> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On Tue, Dec 04, 2018 at 10:29:49PM +0000, Chris Mason wrote: > I think (hope) this is: > > https://bugzilla.kernel.org/show_bug.cgi?id=201685 > > Which was just nailed down to a blkmq bug. It triggers when you have > scsi devices using elevator=none over blkmq. Thanks a lot Chris. Really. Good news: I confirm I recompiled and used blkmq and no-op (at that time). Also, the massive write of btrfs defrag can explain the massive trigger of the bug, and next corruption. Thanks again, Andrea