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=-4.1 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,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 CCB49C433DF for ; Wed, 29 Jul 2020 14:44:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A798E207E8 for ; Wed, 29 Jul 2020 14:44:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="vzlCiuKB" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726820AbgG2Oor (ORCPT ); Wed, 29 Jul 2020 10:44:47 -0400 Received: from userp2130.oracle.com ([156.151.31.86]:54366 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726353AbgG2Oor (ORCPT ); Wed, 29 Jul 2020 10:44:47 -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 06TEgsaZ046823; Wed, 29 Jul 2020 14:44:36 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=4rEO8k4nNPfnY1pN/MMDY9F6Q2fLbVFIcq67BVaIyxk=; b=vzlCiuKBWeAv7hs3MtDK7rxllc6HbsR34ZvvE/neEYclt4oHjgnmL07um+sV8VqROE3n NOULNU0/vuPzzLvS+eJNrkHYzN2RiYYirGjAFkM18GQQGN+aMr14LKGEXfAg4SH9TNAK Ydt7eQWdBPz7j/MGZZYLDKhXk4TbCu2EOgy7WTvBhhpwnzcATb+FlFhWqyzO9i60an79 n+Zm08jrW/At0xxMhbrt9rZg6Ai84Dv6xyWm3uEVpRH2BdsbUBB0rRVvNW/DWRtNEMS4 WnkF8m4riK5+MWkkPtboXk6jrA1vdd1Xm7bfaCEO7LJUAOYxr0bx0jYZR0WUpnWrNQ1T /A== Received: from aserp3030.oracle.com (aserp3030.oracle.com [141.146.126.71]) by userp2130.oracle.com with ESMTP id 32hu1je2bh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 29 Jul 2020 14:44:36 +0000 Received: from pps.filterd (aserp3030.oracle.com [127.0.0.1]) by aserp3030.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 06TEglE8151910; Wed, 29 Jul 2020 14:44:35 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserp3030.oracle.com with ESMTP id 32hu5vv0m8-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 29 Jul 2020 14:44:35 +0000 Received: from abhmp0002.oracle.com (abhmp0002.oracle.com [141.146.116.8]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 06TEiVvE025291; Wed, 29 Jul 2020 14:44:31 GMT Received: from ca-mkp.ca.oracle.com (/10.159.214.123) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 29 Jul 2020 07:44:30 -0700 To: Alan Stern Cc: Martin Kepplinger , Bart Van Assche , jejb@linux.ibm.com, Can Guo , martin.petersen@oracle.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@puri.sm Subject: Re: [PATCH] scsi: sd: add runtime pm to open / release From: "Martin K. Petersen" Organization: Oracle Corporation Message-ID: References: <20200706164135.GE704149@rowland.harvard.edu> <20200728200243.GA1511887@rowland.harvard.edu> <20200729143213.GC1530967@rowland.harvard.edu> Date: Wed, 29 Jul 2020 10:44:26 -0400 In-Reply-To: <20200729143213.GC1530967@rowland.harvard.edu> (Alan Stern's message of "Wed, 29 Jul 2020 10:32:13 -0400") MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9696 signatures=668679 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=1 malwarescore=0 mlxscore=0 adultscore=0 spamscore=0 phishscore=0 mlxlogscore=848 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2007290100 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9696 signatures=668679 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 clxscore=1011 malwarescore=0 spamscore=0 suspectscore=1 bulkscore=0 priorityscore=1501 phishscore=0 mlxlogscore=855 lowpriorityscore=0 impostorscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2007290100 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Alan, >> [ 77.474632] sd 0:0:0:0: [sda] tag#0 UNKNOWN(0x2003) Result: >> hostbyte=0x00 driverbyte=0x08 cmd_age=0s >> [ 77.474647] sd 0:0:0:0: [sda] tag#0 Sense Key : 0x6 [current] >> [ 77.474655] sd 0:0:0:0: [sda] tag#0 ASC=0x28 ASCQ=0x0 >> [ 77.474667] sd 0:0:0:0: [sda] tag#0 CDB: opcode=0x28 28 00 00 00 60 >> 40 00 00 01 00 > > This error report comes from the SCSI layer, not the block layer. This the device telling us that the media (SD card?) has changed. -- Martin K. Petersen Oracle Linux Engineering