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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_2 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 B7B77ECDE27 for ; Wed, 11 Sep 2019 09:15:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8F646206A1 for ; Wed, 11 Sep 2019 09:15:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727394AbfIKJO7 (ORCPT ); Wed, 11 Sep 2019 05:14:59 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:23084 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725616AbfIKJO7 (ORCPT ); Wed, 11 Sep 2019 05:14:59 -0400 Received: from pps.filterd (m0098420.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x8B96l6G078434; Wed, 11 Sep 2019 05:14:21 -0400 Received: from ppma01wdc.us.ibm.com (fd.55.37a9.ip4.static.sl-reverse.com [169.55.85.253]) by mx0b-001b2d01.pphosted.com with ESMTP id 2uxvddbp4f-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 11 Sep 2019 05:14:21 -0400 Received: from pps.filterd (ppma01wdc.us.ibm.com [127.0.0.1]) by ppma01wdc.us.ibm.com (8.16.0.27/8.16.0.27) with SMTP id x8B9AVLm009215; Wed, 11 Sep 2019 09:14:20 GMT Received: from b01cxnp23032.gho.pok.ibm.com (b01cxnp23032.gho.pok.ibm.com [9.57.198.27]) by ppma01wdc.us.ibm.com with ESMTP id 2uv4679wf3-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 11 Sep 2019 09:14:20 +0000 Received: from b01ledav006.gho.pok.ibm.com (b01ledav006.gho.pok.ibm.com [9.57.199.111]) by b01cxnp23032.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x8B9EJ9E50004364 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 11 Sep 2019 09:14:19 GMT Received: from b01ledav006.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id BD764AC062; Wed, 11 Sep 2019 09:14:19 +0000 (GMT) Received: from b01ledav006.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4CD47AC05E; Wed, 11 Sep 2019 09:14:17 +0000 (GMT) Received: from [9.124.31.108] (unknown [9.124.31.108]) by b01ledav006.gho.pok.ibm.com (Postfix) with ESMTP; Wed, 11 Sep 2019 09:14:17 +0000 (GMT) Message-ID: <1568193255.30609.14.camel@abdul.in.ibm.com> Subject: Re: [mainline][BUG][PPC][btrfs][bisected 00801a] kernel BUG at fs/btrfs/locking.c:71! From: Abdul Haleem To: Nikolay Borisov Cc: mpe , Brian King , chandan , sachinp , linuxppc-dev , David Sterba , josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel Date: Wed, 11 Sep 2019 14:44:15 +0530 In-Reply-To: References: <1567500907.5082.12.camel@abdul> <7139ac07-db63-b984-c416-d1c94337c9bf@suse.com> <1568188807.30609.6.camel@abdul.in.ibm.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu1 Mime-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-09-11_06:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=397 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1906280000 definitions=main-1909110088 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2019-09-11 at 11:09 +0300, Nikolay Borisov wrote: > > On 11.09.19 г. 11:00 ч., Abdul Haleem wrote: > > On Tue, 2019-09-03 at 13:39 +0300, Nikolay Borisov wrote: > >> > > > > >> corresponds to? > > > > btrfs_search_slot+0x8e8/0xb80 maps to fs/btrfs/ctree.c:2751 > > write_lock_level = BTRFS_MAX_LEVEL; > > That doesn't make sense, presumably btrfs_search_slot+0x8e8/0xb80 should > point at or right after the instruction which called > btrfs_set_path_blocking. So either line 2796, 2894, 2901 or 2918 . > I might be calculating to wrong address, could you please have a look on the obj dump for files I have sent (which are less than 2MB) > > > > I have sent direct message attaching vmlinux and the obj dump for > > ctree.c and locking.c > > > > I just got a message from : InterScan Messaging Security Suite about > some policy being broken and no vmscan. Sorry, my vmlinux was above 28Mb. -- Regard's Abdul Haleem IBM Linux Technology Centre