Hello Corey,
I just noticed this panic message on an OpenPOWER system running 4.19.0-rc4
(plus some custom KVM PPC patches). AFAICT the system was idle and I did not
see anything similar on 4.18.
Could it be commit 2512e40e48d2 ("ipmi: Rework SMI registration failure") ?
Thanks,
C.
[42630.028933] Unable to handle kernel paging request for data at address
0xffe950008
[42630.028961] Faulting instruction address: 0xc0000000001ace28
[42630.028976] Oops: Kernel access of bad area, sig: 11 [#1]
[42630.028986] LE SMP NR_CPUS=2048 NUMA PowerNV
[42630.029018] Modules linked in: xt_CHECKSUM iptable_mangle ipt_MASQUERADE
iptable_nat nf_nat_ipv4 nf_nat xt_conntrack nf_conntrack nf_defrag_ipv6
nf_defrag_ipv4 ipt_REJECT nf_reject_ipv4 tun bridge stp llc ebtable_filter
ebtables ip6table_filter ip6_tables iptable_filter loop i2c_dev sg kvm_hv kvm
ofpart powernv_flash mtd at24 ipmi_powernv regmap_i2c ibmpowernv ipmi_devintf
uio_pdrv_genirq opal_prd ipmi_msghandler uio dm_mod ip_tables ext4 mbcache jbd2
raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor xor async_tx
raid6_pq libcrc32c raid1 raid0 sd_mod mlx5_core ast i2c_algo_bit drm_kms_helper
syscopyarea sysfillrect sysimgblt fb_sys_fops ttm drm ahci libahci libata tg3
mlxfw devlink drm_panel_orientation_quirks i2c_opal i2c_core ptp pps_core
[42630.029315] CPU: 64 PID: 744 Comm: kopald Not tainted 4.19.0-rc4-xive+ #142
[42630.029355] NIP: c0000000001ace28 LR: c00800000c7a09e4 CTR: c0000000001acde0
[42630.029397] REGS: c000200e588576d0 TRAP: 0300 Not tainted
(4.19.0-rc4-xive+)
[42630.029438] MSR: 9000000000009033 <SF,HV,EE,ME,IR,DR,RI,LE> CR: 88002282
XER: 20040000
[42630.029490] CFAR: c00800000c7a931c DAR: 0000000ffe950008 DSISR: 40000000
IRQMASK: 1
[42630.029490] GPR00: c00800000c7a09e4 c000200e58857950 c00000000132c400
0000000000000000
[42630.029490] GPR04: c000200e588579e0 0000000000000001 0000000000000030
000000000000000c
[42630.029490] GPR08: 0000000ffe950000 0000000000000008 0000000000000008
c00800000c7a9308
[42630.029490] GPR12: c0000000001acde0 c000000ffffcb000 c000000000146e58
c000200e5764e740
[42630.029490] GPR16: c000000001352230 0000000000200040 0000000000000000
0000000000000001
[42630.029490] GPR20: c000000001353b00 000000010040967c 000000000000000a
c000000000ec7080
[42630.029490] GPR24: c000000f91c04324 0000000000000000 5deadbeef0000100
5deadbeef0000200
[42630.029490] GPR28: 0000000000000000 c000200e588579e0 c000200e54b9c018
0000000000000001
[42630.029710] NIP [c0000000001ace28] __srcu_read_lock+0x48/0x80
[42630.029744] LR [c00800000c7a09e4] acquire_ipmi_user+0x3c/0xb0
[ipmi_msghandler]
[42630.029775] Call Trace:
[42630.029792] [c000200e58857950] [c000200e58857b30] 0xc000200e58857b30
(unreliable)
[42630.029836] [c000200e58857980] [c00800000c7a09e4]
acquire_ipmi_user+0x3c/0xb0 [ipmi_msghandler]
[42630.029882] [c000200e588579c0] [c00800000c7a2434]
deliver_response+0x6c/0x140 [ipmi_msghandler]
[42630.029936] [c000200e58857a00] [c00800000c7a2530]
deliver_local_response+0x28/0x88 [ipmi_msghandler]
[42630.029982] [c000200e58857a30] [c00800000c7a6d34]
handle_one_recv_msg+0x14c/0xf30 [ipmi_msghandler]
[42630.030027] [c000200e58857b40] [c00800000c7a7cbc]
handle_new_recv_msgs+0x1a4/0x2e0 [ipmi_msghandler]
[42630.030072] [c000200e58857ba0] [c000000000120d08]
tasklet_action_common.isra.4+0xb8/0x190
[42630.030116] [c000200e58857c00] [c000000000a9a8d8] __do_softirq+0x158/0x3d4
[42630.030148] [c000200e58857cf0] [c000000000120798] irq_exit+0x158/0x190
[42630.030179] [c000200e58857d20] [c0000000000af238]
opal_handle_events+0x128/0x130
[42630.030213] [c000200e58857d80] [c0000000000a877c] kopald+0x9c/0x120
[42630.030245] [c000200e58857dc0] [c000000000146ff8] kthread+0x1a8/0x1b0
[42630.030278] [c000200e58857e30] [c00000000000b65c]
ret_from_kernel_thread+0x5c/0x80
[42630.030319] Instruction dump:
[42630.030348] f8010010 f821ffd1 39400001 83e33188 7c691b78 7bff07e0 886d098a
994d098a
[42630.030394] e90d0030 e92931b0 7bea1f24 7d295214 <7d49402a> 394a0001 7d49412a
4be6c8f5
[42630.030442] ---[ end trace 710c52ca727b0258 ]---
[42631.033746]
[42632.033802] Kernel panic - not syncing: Fatal exception in interrupt
[42633.[42768.041939961,5] OPAL: Reboot request...
194571] Rebooting in 10 seconds..
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