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=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY 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 279EFC433DF for ; Wed, 3 Jun 2020 01:32:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F09CB2072F for ; Wed, 3 Jun 2020 01:32:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="m3Zqlia+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728341AbgFCBcl (ORCPT ); Tue, 2 Jun 2020 21:32:41 -0400 Received: from userp2130.oracle.com ([156.151.31.86]:42540 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726112AbgFCBck (ORCPT ); Tue, 2 Jun 2020 21:32:40 -0400 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 0531SNAq088939; Wed, 3 Jun 2020 01:31:40 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=to : cc : subject : from : message-id : references : date : in-reply-to : mime-version : content-type; s=corp-2020-01-29; bh=/VqIWsQJCRuNm9QmFUcI5MVBJ1+PNqJu4INvjofmiUE=; b=m3Zqlia+iNC+L6X8DHaZCHC9LA0LD1IjtCpDbc6ORaq9XTlcgcOlr+zZ8Cuc1dqLcZwb b1p62qaWXJ4lXP0MT1k+e7LSaVE2AUlk9xItH3sHNkvGqKoaLbqb9N+CeNYqYIFNms/b F/6NNo/5AFjN/nW/RPEZ3OtvmvOToXOsKmKAETmteOm1HuGFUgc6zp3F0NL5yE+GOeKC oHTqocGvXkt+sol6rEsBPAYF6tBtm/fd5iPRdXTXV0UUHFaW1hddE6qiYoldx+8lSKgf QX2dJHx/3tYd/yk3Z84QvPcO1xQGPuN8Jhe/BqoK0zJxm4/aOb7y7XsKkr+TwUoW0ixm Bw== Received: from aserp3020.oracle.com (aserp3020.oracle.com [141.146.126.70]) by userp2130.oracle.com with ESMTP id 31bewqxshk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 03 Jun 2020 01:31:40 +0000 Received: from pps.filterd (aserp3020.oracle.com [127.0.0.1]) by aserp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 0531Rv5j057807; Wed, 3 Jun 2020 01:31:39 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserp3020.oracle.com with ESMTP id 31c25qjttn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 03 Jun 2020 01:31:39 +0000 Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id 0531VaN2022948; Wed, 3 Jun 2020 01:31:37 GMT Received: from ca-mkp.ca.oracle.com (/10.159.214.123) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 02 Jun 2020 18:31:36 -0700 To: kashyap.desai@broadcom.com, sumit.saxena@broadcom.com, shivasharan.srikanteshwara@broadcom.com, Chandrakanth Patil Cc: xiakaixu1987@gmail.com, jejb@linux.ibm.com, martin.petersen@oracle.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Xiaoming Gao Subject: Re: [PATCH] scsi: megaraid_sas: fix kdump kernel boot hung caused by JBOD From: "Martin K. Petersen" Organization: Oracle Corporation Message-ID: References: <1590651115-9619-1-git-send-email-newtongao@tencent.com> Date: Tue, 02 Jun 2020 21:31:33 -0400 In-Reply-To: <1590651115-9619-1-git-send-email-newtongao@tencent.com> (xiakaixu's message of "Thu, 28 May 2020 15:31:55 +0800") MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9640 signatures=668686 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 suspectscore=1 spamscore=0 malwarescore=0 bulkscore=0 mlxscore=0 phishscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2006030008 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9640 signatures=668686 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 bulkscore=0 phishscore=0 suspectscore=1 impostorscore=0 cotscore=-2147483648 lowpriorityscore=0 mlxscore=0 adultscore=0 spamscore=0 mlxlogscore=999 malwarescore=0 clxscore=1011 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2006030008 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > when kernel crash, and kexec into kdump kernel, megaraid_sas will hung > and print follow error logs > > 24.1485901 sd 0:0:G:0: [sda 1 tag809 BRCfl Debug mfi stat 0x2(1, data len requested/conpleted 0X100 > 0/0x0)] > 24.1867171 sd 0:0:G :9: [sda I tag861 BRCfl Debug mfft stat 0x2d, data len reques ted/conp1e Led 0X100 > 0/0x0] > 24.2054191 sd 0:O:6:O: [sda 1 tag861 FAILED Result: hustbyte=DIDGK drioerbyte-DRIUCR SENSE] > 24.2549711 bik_update_ request ! 1/0 error , dev sda, sector 937782912 op 0x0:(READ) flags 0x0 phys_seg 1 prio class > 21.2752791 buffer_io_error 2 callbacks suppressed > 21.2752731 Duffer IO error an dev sda, logical block 117212064, async page read > > this bug is caused by commit '59db5a931bbe73f ("scsi: megaraid_sas: > Handle sequence JBOD map failure at driver level ")' and can be fixed > by not set JOB when reset_devices on Broadcom: Please review. Thanks! -- Martin K. Petersen Oracle Linux Engineering