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Message-ID: <a54c8860-18c7-474d-95e2-a0153a2da885@linux.vnet.ibm.com>
Date: Tue, 6 Feb 2024 22:05:20 +0530
From: Tasmiya Nalatwad <tasmiya@...ux.vnet.ibm.com>
To: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>
Cc: alan.adamson@...cle.com, kch@...dia.com, hch@....de, kbusch@...nel.org,
"sachinp@...ux.vnet.com" <sachinp@...ux.vnet.com>,
"mputtash@...ux.vnet.com" <mputtash@...ux.vnet.com>,
"abdhalee@...ux.vnet.ibm.com" <abdhalee@...ux.vnet.ibm.com>
Subject: [revert commit 9f079dda1433] [mainline] [6.8.0-rc3] [NVME] OOPS
kernel crash while booting
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 <SF,EE,ME,IR,DR,RI,LE> 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
<SF,VEC,VSX,EE,PR,FP,ME,IR,DR,RI,LE> 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
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