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 8841BC27C5E for ; Mon, 10 Jun 2024 07:51:33 +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:Subject:To:From:Cc:MIME-Version:Date:Message-ID:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=nsTUAhGPInye92bi+dTdyUmg2Q/RLoZC+TRIvK7quo8=; b=C65uphdNZuN4Mpmvnnx0oXTVbq sG7YdwpN7wIlMxH6YVsxUb37r/HnSa4zVzVwlF409n51nRQY9UxuWKXVoJJ0OTi5DU8DqKYjuaUNl lb3oa0ML2SoQGTOwKA6svpS/AK/bcdHQ0Wu9JVBEFnIekylPKmj/lbgJrHUzRaMM5alyXw6eho+Ie 1G90c5svG6/j9PMMVXDX/hNucrO4+Wz8qyiElIMmln6B1dHdAKPkg4092fsA9wqc03PG5yZ/um2y0 3Yk3Scnz0Z0ACkYEduxMiJ2NeG2vnpKI06lR9Yw6Cdd1uiXsW+5p3IQZGUeOOMjxvqUhhV9Ukae/R Lg9iRFyg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sGZoP-0000000487P-2ZJi; Mon, 10 Jun 2024 07:51:29 +0000 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sGZoK-0000000483n-3yyx for linux-nvme@lists.infradead.org; Mon, 10 Jun 2024 07:51:27 +0000 Received: from pps.filterd (m0356517.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 45A7SLlw006146; Mon, 10 Jun 2024 07:51:09 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h= message-id:date:mime-version:cc:from:to:subject:content-type :content-transfer-encoding; s=pp1; bh=nsTUAhGPInye92bi+dTdyUmg2Q /RLoZC+TRIvK7quo8=; b=VsR/uuLtLuwUM4lsfsjEXfs9GADEfsP0kkWzeBG5vX vWS7//ezrWFJ1O2MKNp8OpxLbR0eaiZlbKKsboS2JJbadZnWahqrjblvqgOmpkWm 08h6bAEzG2IOIrVjiHouAGSruIeWVkQjICDuJh313A2w/Gx0AkWK7OAl383C/F4b yKlzSEBUdgsP7zGa/wMDw7Sxrq3jOyr4oeT9pMS9A5OKfKsuJn7MF7WVtm8boQym spRqIhST2KWTen688tKH/CYPIZDixtxEbnbQDj6OLv/Wx4BZP1qsR5EK1MWKkA0E ADpr1zyifYXLoUzn/ZiqhuYVZLPoEb33J0I6bKHsl7Rg== 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 3ynw4fr29j-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 10 Jun 2024 07:51:09 +0000 (GMT) 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 45A6ajau027267; Mon, 10 Jun 2024 07:51:07 GMT Received: from smtprelay02.wdc07v.mail.ibm.com ([172.16.1.69]) by ppma22.wdc07v.mail.ibm.com (PPS) with ESMTPS id 3yn210ef3m-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 10 Jun 2024 07:51:07 +0000 Received: from smtpav04.dal12v.mail.ibm.com (smtpav04.dal12v.mail.ibm.com [10.241.53.103]) by smtprelay02.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 45A7p5pM28508714 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 10 Jun 2024 07:51:07 GMT Received: from smtpav04.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0D71658052; Mon, 10 Jun 2024 07:51:05 +0000 (GMT) Received: from smtpav04.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4025558069; Mon, 10 Jun 2024 07:51:02 +0000 (GMT) Received: from [9.43.109.30] (unknown [9.43.109.30]) by smtpav04.dal12v.mail.ibm.com (Postfix) with ESMTP; Mon, 10 Jun 2024 07:51:01 +0000 (GMT) Message-ID: <2312e6c3-a069-4388-a863-df7e261b9d70@linux.vnet.ibm.com> Date: Mon, 10 Jun 2024 13:21:00 +0530 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-GB Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org, sachinp@linux.vnet.com From: Venkat Rao Bagalkote To: kbusch@kernel.org, sagi@grimberg.me Subject: Kernel OOPS while creating a NVMe Namespace Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: GbUrgM5lRbY41DSQ2LJiM9DYhgGllun8 X-Proofpoint-ORIG-GUID: GbUrgM5lRbY41DSQ2LJiM9DYhgGllun8 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-06-10_02,2024-06-06_02,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 bulkscore=0 adultscore=0 phishscore=0 clxscore=1011 suspectscore=0 malwarescore=0 mlxscore=0 mlxlogscore=972 lowpriorityscore=0 impostorscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2405170001 definitions=main-2406100056 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240610_005125_367771_377FFE38 X-CRM114-Status: UNSURE ( 9.61 ) X-CRM114-Notice: Please train this message. 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 Greetings!!! Observing Kernel OOPS, while creating namespace on a NVMe device. [  140.209777] BUG: Unable to handle kernel data access at 0x18d7003065646fee [  140.209792] Faulting instruction address: 0xc00000000023b45c [  140.209798] Oops: Kernel access of bad area, sig: 11 [#1] [  140.209802] LE PAGE_SIZE=64K MMU=Hash SMP NR_CPUS=8192 NUMA pSeries [  140.209809] Modules linked in: rpadlpar_io rpaphp xsk_diag nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat bonding nf_conntrack tls nf_defrag_ipv6 nf_defrag_ipv4 rfkill ip_set nf_tables nfnetlink vmx_crypto pseries_rng binfmt_misc fuse xfs libcrc32c sd_mod sg ibmvscsi scsi_transport_srp ibmveth nvme nvme_core t10_pi crc64_rocksoft_generic crc64_rocksoft crc64 [  140.209864] CPU: 2 PID: 129 Comm: kworker/u65:3 Kdump: loaded Not tainted 6.10.0-rc3 #2 [  140.209870] Hardware name: IBM,9009-42A POWER9 (raw) 0x4e0202 0xf000005 of:IBM,FW950.A0 (VL950_141) hv:phyp pSeries [  140.209876] Workqueue: nvme-wq nvme_scan_work [nvme_core] [  140.209889] NIP:  c00000000023b45c LR: c008000006a96b20 CTR: c00000000023b42c [  140.209894] REGS: c0000000506078a0 TRAP: 0380   Not tainted (6.10.0-rc3) [  140.209899] MSR:  800000000280b033   CR: 24000244  XER: 00000000 [  140.209915] CFAR: c008000006aa80ac IRQMASK: 0 [  140.209915] GPR00: c008000006a96b20 c000000050607b40 c000000001573700 c000000004291ee0 [  140.209915] GPR04: 0000000000000000 c000000006150080 00000000c0080005 fffffffffffe0000 [  140.209915] GPR08: 0000000000000000 18d7003065646f6e 0000000000000000 c008000006aa8098 [  140.209915] GPR12: c00000000023b42c c00000000f7cdf00 c0000000001a151c c000000004f2be80 [  140.209915] GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [  140.209915] GPR20: c000000004dbcc00 0000000000000006 0000000000000002 c000000004911270 [  140.209915] GPR24: 0000000000000000 0000000000000000 c0000000ee254ffc c0000000049111f0 [  140.209915] GPR28: 0000000000000000 c000000004911260 c000000004291ee0 c000000004911260 [  140.209975] NIP [c00000000023b45c] synchronize_srcu+0x30/0x1c0 [  140.209984] LR [c008000006a96b20] nvme_ns_remove+0x80/0x2d8 [nvme_core] [  140.209994] Call Trace: [  140.209997] [c000000050607b90] [c008000006a96b20] nvme_ns_remove+0x80/0x2d8 [nvme_core] [  140.210008] [c000000050607bd0] [c008000006a972b4] nvme_remove_invalid_namespaces+0x144/0x1ac [nvme_core] [  140.210020] [c000000050607c60] [c008000006a9dbd4] nvme_scan_ns_list+0x19c/0x370 [nvme_core] [  140.210032] [c000000050607d70] [c008000006a9dfc8] nvme_scan_work+0xc8/0x278 [nvme_core] [  140.210043] [c000000050607e40] [c00000000019414c] process_one_work+0x20c/0x4f4 [  140.210051] [c000000050607ef0] [c0000000001950cc] worker_thread+0x378/0x544 [  140.210058] [c000000050607f90] [c0000000001a164c] kthread+0x138/0x140 [  140.210065] [c000000050607fe0] [c00000000000df98] start_kernel_thread+0x14/0x18 [  140.210072] Code: 3c4c0134 384282d4 7c0802a6 60000000 7c0802a6 fbc1fff0 fba1ffe8 fbe1fff8 7c7e1b78 f8010010 f821ffb1 e9230010 7c2004ac 71290003 41820008 [  140.210093] ---[ end trace 0000000000000000 ]--- Issue is introduced by the patch: be647e2c76b27f409cdd520f66c95be888b553a3. Reverting it, issue is not seen. Regards, Venkat.