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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 01E0BC433EF for ; Sun, 19 Dec 2021 15:46:34 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 4520A6B0071; Sun, 19 Dec 2021 10:46:18 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 401D66B0073; Sun, 19 Dec 2021 10:46:18 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 2A2FA6B0074; Sun, 19 Dec 2021 10:46:18 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0154.hostedemail.com [216.40.44.154]) by kanga.kvack.org (Postfix) with ESMTP id 167E46B0071 for ; Sun, 19 Dec 2021 10:46:18 -0500 (EST) Received: from smtpin15.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id C46AF8249980 for ; Sun, 19 Dec 2021 15:46:01 +0000 (UTC) X-FDA: 78934969722.15.A632C1C Received: from www262.sakura.ne.jp (www262.sakura.ne.jp [202.181.97.72]) by imf02.hostedemail.com (Postfix) with ESMTP id CC2A480040 for ; Sun, 19 Dec 2021 15:45:57 +0000 (UTC) Received: from fsav415.sakura.ne.jp (fsav415.sakura.ne.jp [133.242.250.114]) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTP id 1BJFjmpr061440; Mon, 20 Dec 2021 00:45:48 +0900 (JST) (envelope-from penguin-kernel@i-love.sakura.ne.jp) Received: from www262.sakura.ne.jp (202.181.97.72) by fsav415.sakura.ne.jp (F-Secure/fsigk_smtp/550/fsav415.sakura.ne.jp); Mon, 20 Dec 2021 00:45:48 +0900 (JST) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/fsav415.sakura.ne.jp) Received: from [192.168.1.9] (M106072142033.v4.enabler.ne.jp [106.72.142.33]) (authenticated bits=0) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTPSA id 1BJFjm28061437 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NO); Mon, 20 Dec 2021 00:45:48 +0900 (JST) (envelope-from penguin-kernel@i-love.sakura.ne.jp) Message-ID: Date: Mon, 20 Dec 2021 00:45:46 +0900 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.4.0 Subject: Re: [loop] 322c4293ec: xfstests.xfs.049.fail Content-Language: en-US To: kernel test robot Cc: Jens Axboe , syzbot , Christoph Hellwig , Jan Kara , Christoph Hellwig , LKML , Linux Memory Management List , lkp@lists.01.org, lkp@intel.com References: <20211219150933.GJ14057@xsang-OptiPlex-9020> From: Tetsuo Handa In-Reply-To: <20211219150933.GJ14057@xsang-OptiPlex-9020> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: CC2A480040 X-Stat-Signature: 9ohd697dxqc415c9tcsnc5i6ku9snjy7 Authentication-Results: imf02.hostedemail.com; dkim=none; dmarc=none; spf=none (imf02.hostedemail.com: domain of penguin-kernel@i-love.sakura.ne.jp has no SPF policy when checking 202.181.97.72) smtp.mailfrom=penguin-kernel@i-love.sakura.ne.jp X-HE-Tag: 1639928757-716589 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 2021/12/20 0:09, kernel test robot wrote: > @@ -13,3 +13,5 @@ > --- clean > --- umount ext2 on xfs > --- umount xfs > +!!! umount xfs failed > +(see /lkp/benchmarks/xfstests/results//xfs/049.full for details) > ... > (Run 'diff -u /lkp/benchmarks/xfstests/tests/xfs/049.out /lkp/benchmarks/xfstests/results//xfs/049.out.bad' to see the entire diff) Yes, we know this race condition can happen. https://lkml.kernel.org/r/16c7d304-60ef-103f-1b2c-8592b48f47c6@i-love.sakura.ne.jp https://lkml.kernel.org/r/YaYfu0H2k0PSQL6W@infradead.org Should we try to wait for autoclear operation to complete?