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=-7.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 DAF72C433E6 for ; Sat, 9 Jan 2021 09:00:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AA1ED23A7C for ; Sat, 9 Jan 2021 09:00:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726745AbhAIIyO (ORCPT ); Sat, 9 Jan 2021 03:54:14 -0500 Received: from userp2130.oracle.com ([156.151.31.86]:41550 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726729AbhAIIyO (ORCPT ); Sat, 9 Jan 2021 03:54:14 -0500 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 1098rWD9157252 for ; Sat, 9 Jan 2021 08:53:33 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : subject : to : message-id : date : mime-version : content-type : content-transfer-encoding; s=corp-2020-01-29; bh=zJBllj1h82kwU5+KkqXX1dFKq3tqQ+m1jrNL6zW53+o=; b=HSDG2Yzy0ZImvrw4njHQL2993k1e8HFQSc5kiPExzSoX7TYevcE4ImtileK5hGWS7qaf NxnHjmnU1HPAaenjZkoqhU8BloNiL+jPEQ+Ala2rjAgUsAT+FzbwIeDVfxvpOrY7r1di dWazbg/qOdLUD3K6+sT/chaVu6/KGAPRhCbmL088HO24D0Ibg2zFUoZ0IICx55BDGa2O 9JatOtRbM24YGEoJpffKY6lYIeY76xw11xqrWAWkL/6OBwzyGKfdJo78zM1Z3WGB7Tdu KxOOCCH/GXkTS1f7qE7Zce981+ISDx6c/CDCQPdjtW8mTNBpt6nWj+NSJwQnkxE7NfW1 hw== Received: from userp3020.oracle.com (userp3020.oracle.com [156.151.31.79]) by userp2130.oracle.com with ESMTP id 35y3wqrdkd-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL) for ; Sat, 09 Jan 2021 08:53:33 +0000 Received: from pps.filterd (userp3020.oracle.com [127.0.0.1]) by userp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 1098iZSS133939 for ; Sat, 9 Jan 2021 08:53:32 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userp3020.oracle.com with ESMTP id 35y3tgyqx6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Sat, 09 Jan 2021 08:53:32 +0000 Received: from abhmp0006.oracle.com (abhmp0006.oracle.com [141.146.116.12]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 1098rWaX020127 for ; Sat, 9 Jan 2021 08:53:32 GMT Received: from [192.168.10.102] (/39.109.186.25) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Sat, 09 Jan 2021 08:53:31 +0000 From: Anand Jain Subject: [bug] scrub on low disk space leads to Transaction aborted To: "linux-btrfs@vger.kernel.org" Message-ID: <0f061eb2-2192-da85-0f34-43faa4e2812f@oracle.com> Date: Sat, 9 Jan 2021 16:53:28 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9858 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 malwarescore=0 spamscore=0 phishscore=0 mlxscore=0 adultscore=0 mlxlogscore=999 suspectscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101090057 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9858 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 lowpriorityscore=0 mlxlogscore=999 mlxscore=0 phishscore=0 impostorscore=0 spamscore=0 priorityscore=1501 adultscore=0 bulkscore=0 malwarescore=0 suspectscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101090058 Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org I ran scrub when disk space was low on a btrfs with some raid1 csum errors, on a system with kernel 5.11.0-rc2+. It lead to transaction aborted and rdonly FS. [ 2365.314375] ------------[ cut here ]------------ [ 2365.314385] BTRFS: Transaction aborted (error -28) [ 2365.314470] WARNING: CPU: 2 PID: 4672 at fs/btrfs/inode.c:2823 btrfs_finish_ordered_io+0x8e6/0x950 [btrfs] [ 2365.314921] CPU: 2 PID: 4672 Comm: kworker/u8:11 Not tainted 5.11.0-rc2+ #3 [ 2365.314933] Hardware name: LENOVO 20FAS6PN00/20FAS6PN00, BIOS N1CET47W (1.15 ) 08/08/2016 [ 2365.314939] Workqueue: btrfs-endio-write btrfs_work_helper [btrfs] [ 2365.315093] RIP: 0010:btrfs_finish_ordered_io+0x8e6/0x950 [btrfs] [ 2365.315290] Call Trace: [ 2365.315309] BTRFS warning (device sda6): btrfs_finish_ordered_io:2823: Aborting unused transaction(No space left). [ 2365.315305] finish_ordered_fn+0x15/0x20 [btrfs] [ 2365.315532] btrfs_work_helper+0xcc/0x2f0 [btrfs] [ 2365.315763] process_one_work+0x1ee/0x390 [ 2365.315781] worker_thread+0x50/0x3d0 [ 2365.315797] kthread+0x114/0x150 [ 2365.315811] ? process_one_work+0x390/0x390 [ 2365.315824] ? kthread_park+0x90/0x90 [ 2365.315836] ret_from_fork+0x22/0x30 [ 2365.315861] ---[ end trace b0e289a2c3d424e8 ]--- [ 2365.315871] BTRFS warning (device sda6): btrfs_finish_ordered_io:2823: Aborting unused transaction(No space left). [ 2365.316713] BTRFS warning (device sda6): btrfs_finish_ordered_io:2823: Aborting unused transaction(No space left). [ 2365.316796] BTRFS warning (device sda6): Skipping commit of aborted transaction. [ 2365.316809] BTRFS: error (device sda6) in cleanup_transaction:1938: errno=-30 Readonly filesystem [ 2365.316824] BTRFS info (device sda6): forced readonly [ 2365.359195] BTRFS info (device sda6): scrub: not finished on devid 2 with status: -125