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 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 B9D5DC43441 for ; Wed, 10 Oct 2018 16:04:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5A3232086E for ; Wed, 10 Oct 2018 16:04:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5A3232086E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=applied-asynchrony.com 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 S1726649AbeJJX1K (ORCPT ); Wed, 10 Oct 2018 19:27:10 -0400 Received: from mail02.iobjects.de ([188.40.134.68]:40438 "EHLO mail02.iobjects.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726479AbeJJX1K (ORCPT ); Wed, 10 Oct 2018 19:27:10 -0400 Received: from tux.wizards.de (p3EE2F45F.dip0.t-ipconnect.de [62.226.244.95]) by mail02.iobjects.de (Postfix) with ESMTPSA id AD8B34165138; Wed, 10 Oct 2018 18:04:19 +0200 (CEST) Received: from [192.168.100.223] (ragnarok.applied-asynchrony.com [192.168.100.223]) by tux.wizards.de (Postfix) with ESMTP id 4EBB6F015FB; Wed, 10 Oct 2018 18:04:19 +0200 (CEST) Subject: Re: Scrub aborts due to corrupt leaf To: Larkin Lowrey , Qu Wenruo , Chris Murphy Cc: Btrfs BTRFS References: <3af15796-2629-ef87-21c9-2bb3c1366732@nuclearwinter.com> <3725e6f2-b1ed-8d3d-aec7-1518dad1cb03@gmx.com> <3bf7c73d-ce25-88ce-271f-ab8c9ae6c01d@nuclearwinter.com> <3d82a2b9-41da-26b8-9b74-71d17d8a8a76@gmx.com> <273c99b2-d7e0-bea3-a4a4-7337115beb6f@nuclearwinter.com> <0136878c-d4ae-37b0-4903-601367286cf7@nuclearwinter.com> <9c7290ea-668d-c10a-9328-91adfac14d5a@nuclearwinter.com> From: =?UTF-8?Q?Holger_Hoffst=c3=a4tte?= Organization: Applied Asynchrony, Inc. Message-ID: <4652a690-26ed-fb90-9386-3020ee9e9841@applied-asynchrony.com> Date: Wed, 10 Oct 2018 18:04:19 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On 10/10/18 17:44, Larkin Lowrey wrote: (..) > About once a week, or so, I'm running into the above situation where > FS seems to deadlock. All IO to the FS blocks, there is no IO > activity at all. I have to hard reboot the system to recover. There > are no error indications except for the following which occurs well > before the FS freezes up: > > BTRFS warning (device dm-3): block group 78691883286528 has wrong amount of free space > BTRFS warning (device dm-3): failed to load free space cache for block group 78691883286528, rebuilding it now > > Do I have any options other the nuking the FS and starting over? Unmount cleanly & mount again with -o space_cache=v2. -h