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booting To: "linux-kernel@vger.kernel.org" , "linux-block@vger.kernel.org" , "linuxppc-dev@lists.ozlabs.org" Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: eRSAn1IgLACeoIXaugRY1X-ApsOlxI6z X-Proofpoint-ORIG-GUID: eRSAn1IgLACeoIXaugRY1X-ApsOlxI6z X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-02-06_10,2024-01-31_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1011 bulkscore=0 spamscore=0 suspectscore=0 impostorscore=0 lowpriorityscore=0 mlxscore=0 mlxlogscore=635 priorityscore=1501 adultscore=0 phishscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2402060116 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kch@nvidia.com, "mputtash@linux.vnet.com" , "sachinp@linux.vnet.com" , "abdhalee@linux.vnet.ibm.com" , alan.adamson@oracle.com, kbusch@kernel.org, hch@lst.de Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Greetings, [revert commit 9f079dda1433] [mainline] [6.8.0-rc3] [NVME] OOPS kernel crash while booting to kernel Reverting below commit fixes the problem commit 9f079dda14339ee87d864306a9dc8c6b4e4da40b     nvme: allow passthru cmd error logging --- Traces --- [   15.639835] BUG: Kernel NULL pointer dereference on read at 0x000003d8 [   15.639840] Faulting instruction address: 0xc0080000215b01dc [   15.639845] Oops: Kernel access of bad area, sig: 11 [#1] [   15.639849] LE PAGE_SIZE=64K MMU=Hash SMP NR_CPUS=8192 NUMA pSeries [   15.639855] Modules linked in: xsk_diag bonding tls nft_compat nf_tables nfnetlink rfkill binfmt_misc dm_multipath dm_mod pseries_rng dax_pmem drm drm_panel_orientation_quirks ext4 mbcache jbd2 ibmvfc nd_pmem nd_btt scsi_transport_fc ibmveth nvme papr_scm bnx2x nvme_core t10_pi vmx_crypto libnvdimm crc64_rocksoft_generic crc64_rocksoft mdio crc64 libcrc32c fuse [   15.639901] CPU: 1 PID: 3289 Comm: udevadm Not tainted 6.8.0-rc3-auto-g99bd3cb0d12e #1 [   15.639907] Hardware name: IBM,9009-42A POWER9 (raw) 0x4e0202 0xf000005 of:IBM,FW950.A0 (VL950_141) hv:phyp pSeries [   15.639913] NIP:  c0080000215b01dc LR: c000000000a197bc CTR: c0080000215b01b8 [   15.639918] REGS: c00000006f3177f0 TRAP: 0300   Not tainted (6.8.0-rc3-auto-g99bd3cb0d12e) [   15.639923] MSR:  8000000000009033   CR: 84888480  XER: 20040000 [   15.639936] CFAR: c00000000000dbbc DAR: 00000000000003d8 DSISR: 40000000 IRQMASK: 0 [   15.639936] GPR00: c000000000a197bc c00000006f317a90 c0080000215d8200 c000000092810000 [   15.639936] GPR04: c0080000215d2570 c000000092810000 c000000092820000 0000000000000000 [   15.639936] GPR08: c000000092810000 0000000000000000 0000000000010000 0000000022888482 [   15.639936] GPR12: c0080000215b01b8 c00000000f8cf300 0000000000000000 0000000000000000 [   15.639936] GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000001 [   15.639936] GPR20: 0000000000000000 0000000000400cc0 c000000086d14c28 000000007fff0000 [   15.639936] GPR24: fffffffffffff000 0000000000000000 c000000086d14c18 0000000000010000 [   15.639936] GPR28: c00000007509c180 c000000005bc1448 c0080000215d2570 c000000086d14bf0 [   15.639999] NIP [c0080000215b01dc] nvme_io_passthru_err_log_enabled_show+0x24/0x80 [nvme_core] [   15.640013] LR [c000000000a197bc] dev_attr_show+0x40/0xac [   15.640020] Call Trace: [   15.640023] [c00000006f317a90] [c00000006f317b10] 0xc00000006f317b10 (unreliable) [   15.640030] [c00000006f317af0] [c000000000a197bc] dev_attr_show+0x40/0xac [   15.640037] [c00000006f317b60] [c0000000006c11a0] sysfs_kf_seq_show+0xcc/0x1f0 [   15.640045] [c00000006f317bf0] [c0000000006be224] kernfs_seq_show+0x44/0x58 [   15.640052] [c00000006f317c10] [c00000000060882c] seq_read_iter+0x254/0x69c [   15.640060] [c00000006f317cf0] [c0000000006bed60] kernfs_fop_read_iter+0x4c/0x60 [   15.640067] [c00000006f317d10] [c0000000005bf61c] vfs_read+0x2bc/0x390 [   15.640074] [c00000006f317dc0] [c0000000005c040c] ksys_read+0x84/0x144 [   15.640081] [c00000006f317e10] [c000000000033358] system_call_exception+0x138/0x330 [   15.640088] [c00000006f317e50] [c00000000000d05c] system_call_vectored_common+0x15c/0x2ec [   15.640096] --- interrupt: 3000 at 0x7fff87d342e4 [   15.640101] NIP:  00007fff87d342e4 LR: 0000000000000000 CTR: 0000000000000000 [   15.640106] REGS: c00000006f317e80 TRAP: 3000   Not tainted (6.8.0-rc3-auto-g99bd3cb0d12e) [   15.640110] MSR:  800000000280f033   CR: 42884482  XER: 00000000 [   15.640126] IRQMASK: 0 [   15.640126] GPR00: 0000000000000003 00007fffea617e80 00007fff87e47200 0000000000000003 [   15.640126] GPR04: 0000010009494f20 0000000000010008 00007fff87e40e18 00000100094a4f20 [   15.640126] GPR08: 0000000000010008 0000000000000000 0000000000000000 0000000000000000 [   15.640126] GPR12: 0000000000000000 00007fff88434ba0 0000000000000000 0000000000000000 [   15.640126] GPR16: 0000000000000000 000000013e082f48 00007fffea618290 00007fffea617ee8 [   15.640126] GPR20: 00000000003ffffe 00007fffea618108 00007fffea618110 0000000000008000 [   15.640126] GPR24: 0000000000000000 0000000000000002 00000000003ffffe ffffffffffffffff [   15.640126] GPR28: 0000000000010007 0000000000010008 0000010009494f20 0000000000000003 [   15.640185] NIP [00007fff87d342e4] 0x7fff87d342e4 [   15.640189] LR [0000000000000000] 0x0 [   15.640193] --- interrupt: 3000 [   15.640196] Code: e8410018 00028048 00000000 3c4c0003 38428048 7c0802a6 60000000 7c0802a6 f8010010 f821ffa1 e9230078 7ca32b78 <892903d8> 2c090000 4082002c 3d220000 [   15.640217] ---[ end trace 0000000000000000 ]--- -- Regards, Tasmiya Nalatwad IBM Linux Technology Center