I managed to catch this issue with IPMI console: [ 673.975988] BUG: Unable to handle kernel instruction fetch [ 673.976017] Faulting instruction address: 0x7fe000087fe00008 [ 673.976025] Oops: Kernel access of bad area, sig: 11 [#1] [ 673.976032] LE PAGE_SIZE=64K MMU=Hash SMP NR_CPUS=2048 NUMA PowerNV [ 673.976040] Modules linked in: binfmt_misc dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua leds_powernv ipmi_powernv ipmi_devintf ipmi_msghandler ibmpowernv uio_pdrv_genirq vmx_crypto uio powernv_rng powernv_op_panel sch_fq_codel ip_tables x_tables autofs4 ses enclosure scsi_transport_sas btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear crct10dif_vpmsum crc32c_vpmsum tg3 ipr [last unloaded: notifier_error_inject] [ 673.976101] CPU: 0 PID: 76667 Comm: reuseport_bpf_c Not tainted 5.3.0-42-generic #34-Ubuntu [ 673.976109] NIP: 7fe000087fe00008 LR: c000000000ca9d10 CTR: 7fe000087fe00008 [ 673.976117] REGS: c000000ffffcf580 TRAP: 0480 Not tainted (5.3.0-42-generic) [ 673.976124] MSR: 9000000000009033 CR: 24002488 XER: 20000000 [ 673.976135] CFAR: c000000000ca9d0c IRQMASK: 0 [ 673.976135] GPR00: c000000000e4094c c000000ffffcf810 c0000000019c9000 c000000a2208b6e0 [ 673.976135] GPR04: c008000007c70038 c000000a2208b6e0 0000000000000028 000000012e2e5506 [ 673.976135] GPR08: 00000000a2be9417 0000000000000000 0000000000000000 0000000000000000 [ 673.976135] GPR12: 7fe000087fe00008 c000000001d60000 0000000000000003 0000000000000101 [ 673.976135] GPR16: c000000003fe00e8 00000000000022b8 0000000000002788 c0000000018fb600 [ 673.976135] GPR20: 000000000000000a 0000000000000000 00000000000022b8 0000000000000001 [ 673.976135] GPR24: 0000000000000000 0000000000000028 00000000000000a0 c000000003fe00e8 [ 673.976135] GPR28: c008000007c70000 00000000147b1819 c000000a2208b6e0 c000001e2d8b0000 [ 673.976195] NIP [7fe000087fe00008] 0x7fe000087fe00008 [ 673.976206] LR [c000000000ca9d10] reuseport_select_sock+0x100/0x400 [ 673.976212] Call Trace: [ 673.976216] [c000000ffffcf810] [c000000fe9daf0f0] 0xc000000fe9daf0f0 (unreliable) [ 673.976226] [c000000ffffcf8b0] [c000000000e4094c] inet6_lhash2_lookup+0x1ec/0x220 [ 673.976234] [c000000ffffcf930] [c000000000e40c80] inet6_lookup_listener+0x300/0x3f0 [ 673.976244] [c000000ffffcf9d0] [c000000000e1ec38] tcp_v6_rcv+0x7d8/0xe10 [ 673.976252] [c000000ffffcfb00] [c000000000dd7e70] ip6_protocol_deliver_rcu+0x110/0x6e0 [ 673.976261] [c000000ffffcfb80] [c000000000dd846c] ip6_input_finish+0x2c/0x40 [ 673.976269] [c000000ffffcfba0] [c000000000dd8560] ip6_input+0xe0/0xf0 [ 673.976276] [c000000ffffcfc10] [c000000000dd7008] ip6_rcv_finish+0xa8/0xe0 [ 673.976283] [c000000ffffcfc40] [c000000000dd7b90] ipv6_rcv+0x100/0x110 [ 673.976291] [c000000ffffcfcc0] [c000000000c6d040] __netif_receive_skb_one_core+0x70/0xb0 [ 673.976299] [c000000ffffcfd00] [c000000000c6ee70] process_backlog+0xd0/0x230 [ 673.976307] [c000000ffffcfd70] [c000000000c6db88] net_rx_action+0x1e8/0x510 [ 673.976315] [c000000ffffcfe90] [c000000000e9c8a0] __do_softirq+0x160/0x3f4 [ 673.976324] [c000000ffffcff90] [c000000000030be8] call_do_softirq+0x14/0x24 [ 673.976332] [c000000004a4f6b0] [c00000000001c2e8] do_softirq_own_stack+0x38/0x50 [ 673.976341] [c000000004a4f6d0] [c0000000001315a0] do_softirq.part.0+0x80/0xb0 [ 673.976349] [c000000004a4f700] [c000000000131698] __local_bh_enable_ip+0xc8/0xf0 [ 673.976357] [c000000004a4f720] [c000000000dd19b8] ip6_finish_output2+0x298/0x790 [ 673.976365] [c000000004a4f7c0] [c000000000dd6124] ip6_output+0x84/0x1c0 [ 673.976372] [c000000004a4f840] [c000000000dd222c] ip6_xmit+0x37c/0x7b0 [ 673.976379] [c000000004a4f960] [c000000000e272e4] inet6_csk_xmit+0xb4/0x120 [ 673.976387] [c000000004a4fa00] [c000000000d4231c] __tcp_transmit_skb+0x55c/0xd80 [ 673.976396] [c000000004a4fab0] [c000000000d43a18] tcp_connect+0x918/0xab0 [ 673.976403] [c000000004a4fb70] [c000000000e1c25c] tcp_v6_connect+0x5ac/0x740 [ 673.976411] [c000000004a4fc50] [c000000000d7271c] __inet_stream_connect+0x12c/0x4b0 [ 673.976419] [c000000004a4fcf0] [c000000000d72afc] inet_stream_connect+0x5c/0x90 [ 673.976428] [c000000004a4fd30] [c000000000c37a0c] __sys_connect+0x11c/0x160 [ 673.976435] [c000000004a4fe00] [c000000000c37a78] sys_connect+0x28/0x40 [ 673.976443] [c000000004a4fe20] [c00000000000b388] system_call+0x5c/0x70 [ 673.976449] Instruction dump: [ 673.976454] XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX [ 673.976462] XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX [ 673.976472] ---[ end trace 0961698a90363364 ]--- [ 673.976948] [ 674.977035] Kernel panic - not syncing: Aiee, killing interrupt handler! [ 674.978187] Rebooting in 10 seconds..