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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E8624C4167D for ; Tue, 7 Nov 2023 13:26:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:Message-ID:References:In-Reply-To:Subject:Cc:To:From:Date: MIME-Version:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=QrV7KPPQNlo9xPAidPGn+XCm2lqUfK/rXjEzmRapG6Q=; b=QFc2QNiQQwjV/BEVyd7O09Fu6u S5JkPOOpD0GBbw57nd3zU2lhgugwGT4SrkRWTLBnxXfnyduzbpG5fDKddvEZ8QwwZvbjKbjKE+iNN oQSlfu56R6v3vqvCpKbbTI/X/9p5hQajeO8yZAohMRuFhnhpNBThsE4vdEy5is6f1BaoovQ1HD4eD M7d1CWlEj7G8o4f98Ya6HWuFUSLZYZPY4LERDHxxQ/4eyhMEqsp/kwZtcHwtayaNPYnX2KIRzBQ7k joxuRx+9bHdV9rVhIdcNCkArNfRe8Nj5e3i9RRVVEhqyOwofIDcogm9k2z4DPZMhlA9MJVijTo7pw udc5NbeA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1r0M6K-001bvD-17; Tue, 07 Nov 2023 13:26:40 +0000 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1r0M6H-001bt1-1I; Tue, 07 Nov 2023 13:26:38 +0000 Received: from pps.filterd (m0353722.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3A7DK46X032641; Tue, 7 Nov 2023 13:26:30 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=mime-version : date : from : to : cc : subject : in-reply-to : references : message-id : content-type : content-transfer-encoding; s=pp1; bh=QrV7KPPQNlo9xPAidPGn+XCm2lqUfK/rXjEzmRapG6Q=; b=ZCVhjhpU1F9/FHtBaqdRRE9vSRw6t6C6Gsf3rG4056Omow42kkBOgRfvk0WJ/prXX6CJ jeqYldCajs2FKVHWktlZo7s5GR0Dn+lU1PD4IqwfjGVq5OEwc8ZSMXGBd1Vn5Mv9SbZl BR0VwokvKnXG9vLQHIwbazNiznxR8UnUvKEKGuIdtz0lrFlsf32sBnzAwIlTqpLMrHUo kIEo6/Qa0wupIdyMOTOvFqFEL0q7QLsHdVfxZbGzcHxCORm8QFPik8uNs0e2tBtXIRXr WaoIG0fueCZUbKDJXP56ccaozGa5MfdDNeo/MbOzs6N6NcCmy69SwrkkjiFp4jTcWPbe Jw== Received: from ppma22.wdc07v.mail.ibm.com (5c.69.3da9.ip4.static.sl-reverse.com [169.61.105.92]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3u7p1cg6t8-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 07 Nov 2023 13:26:30 +0000 Received: from pps.filterd (ppma22.wdc07v.mail.ibm.com [127.0.0.1]) by ppma22.wdc07v.mail.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 3A7CjMBJ007961; Tue, 7 Nov 2023 13:26:29 GMT Received: from smtprelay02.dal12v.mail.ibm.com ([172.16.1.4]) by ppma22.wdc07v.mail.ibm.com (PPS) with ESMTPS id 3u60nygxeg-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 07 Nov 2023 13:26:29 +0000 Received: from smtpav04.wdc07v.mail.ibm.com (smtpav04.wdc07v.mail.ibm.com [10.39.53.231]) by smtprelay02.dal12v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 3A7DQRwF29491864 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 7 Nov 2023 13:26:27 GMT Received: from smtpav04.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 42A6258052; Tue, 7 Nov 2023 13:26:27 +0000 (GMT) Received: from smtpav04.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E027558050; Tue, 7 Nov 2023 13:26:26 +0000 (GMT) Received: from ltc.linux.ibm.com (unknown [9.5.196.140]) by smtpav04.wdc07v.mail.ibm.com (Postfix) with ESMTP; Tue, 7 Nov 2023 13:26:26 +0000 (GMT) MIME-Version: 1.0 Date: Tue, 07 Nov 2023 07:26:26 -0600 From: Wen Xiong To: Christoph Hellwig Cc: linux-nvme@lists.infradead.org, Wenxiong Subject: Re: Saw I/O errors while delete/create/attach a namespace on nvme device. In-Reply-To: References: Message-ID: X-Sender: wenxiong@linux.ibm.com Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: VsbDzEjyUwJO8XWRaiiJK84sQRcwTp5s X-Proofpoint-ORIG-GUID: VsbDzEjyUwJO8XWRaiiJK84sQRcwTp5s X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-07_04,2023-11-07_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 clxscore=1011 malwarescore=0 adultscore=0 mlxlogscore=708 priorityscore=1501 bulkscore=0 mlxscore=0 phishscore=0 suspectscore=0 spamscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2310240000 definitions=main-2311070111 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231107_052637_560628_E2878E45 X-CRM114-Status: GOOD ( 14.25 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org > What exactly are you doing? To the Linux host code this looks like the > NGUID changed for an existing namespace. Are you deleting and > recreating nsid1 rapidly and the controller is assigning a different > nguid? Hi Christoph, Good morning! Yes. controller assigned a difference nguid to a namespace. Steps: Executed nvme detach-ns /dev/nvme0 --namespace-id=1 --controllers=0x81 Executed nvme delete-ns /dev/nvme0 --namespace-id=1 Executed nvme create-ns /dev/nvme0 --nsze=1562805846 --ncap=1562805846 --flbas=0 -dps=0 -nmic=1 Executed nvme attach-ns /dev/nvme --namespace-id=1 --controllers=0x81 Saw NGUID changed and IO errors when executing attach-ns command. Thanks a lot! Wendy