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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED 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 CB419C00449 for ; Fri, 5 Oct 2018 20:42:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7AD3420652 for ; Fri, 5 Oct 2018 20:42:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7AD3420652 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lichtvoll.de 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 S1729225AbeJFDmg convert rfc822-to-8bit (ORCPT ); Fri, 5 Oct 2018 23:42:36 -0400 Received: from mondschein.lichtvoll.de ([194.150.191.11]:46811 "EHLO mail.lichtvoll.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729220AbeJFDmg (ORCPT ); Fri, 5 Oct 2018 23:42:36 -0400 Authentication-Results: auth=pass smtp.auth=martin smtp.mailfrom=martin@lichtvoll.de Received: from 127.0.0.1 (localhost [127.0.0.1]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.lichtvoll.de (Postfix) with ESMTPSA id 4F29C3C4B85; Fri, 5 Oct 2018 22:42:12 +0200 (CEST) From: Martin Steigerwald To: fdmanana@gmail.com Cc: linux-btrfs Subject: Re: BTRFS related kernel backtrace on boot on 4.18.7 after blackout due to discharged battery Date: Fri, 05 Oct 2018 22:42:11 +0200 Message-ID: <1788048.LBgZkGOCjK@merkaba> In-Reply-To: References: <3666619.NTnn27ZJZE@merkaba> MIME-Version: 1.0 Content-Transfer-Encoding: 8BIT Content-Type: text/plain; charset="UTF-8" Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Filipe Manana - 05.10.18, 17:21: > On Fri, Oct 5, 2018 at 3:23 PM Martin Steigerwald wrote: > > Hello! > > > > On ThinkPad T520 after battery was discharged and machine just > > blacked out. > > > > Is that some sign of regular consistency check / replay or something > > to investigate further? > > I think it's harmless, if anything were messed up with link counts or > mismatches between those and dir entries, fsck (btrfs check) should > have reported something. > I'll dig a big further and remove the warning if it's really harmless. I just scrubbed the filesystem. I did not run btrfs check on it. > > I already scrubbed all data and there are no errors. Also btrfs > > device stats reports no errors. SMART status appears to be okay as > > well on both SSD. > > > > [ 4.524355] BTRFS info (device dm-4): disk space caching is > > enabled [… backtrace …] -- Martin