[   76.222503] igb 0045:01:00.0 eth0: igb: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX/TX
[   76.222881] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[  236.695377] BUG: Unable to handle kernel data access at 0x77788365ef7903bf
[  236.695396] Faulting instruction address: 0xc00000000089baf8
[  236.695404] Oops: Kernel access of bad area, sig: 11 [#1]
[  236.695409] BE PAGE_SIZE=4K MMU=Hash SMP NR_CPUS=256 NUMA PowerNV
[  236.695418] Modules linked in: cfg80211 rfkill 8021q garp stp mrp llc binfmt_misc igb i2c_algo_bit ipmi_powernv ipmi_msghandler powernv_op_panel uas dm_mirror dm_region_hash dm_log dm_mod
[  236.695452] CPU: 144 PID: 0 Comm: swapper/144 Tainted: G S                5.15.132-mc6-easy #1
[  236.695462] NIP:  c00000000089baf8 LR: c000000000d3429c CTR: c000000000da6b40
[  236.695468] REGS: c000003ffff5acb0 TRAP: 0380   Tainted: G S                 (5.15.132-mc6-easy)
[  236.695476] MSR:  9000000000009032 <SF,HV,EE,ME,IR,DR,RI>  CR: 28008824  XER: 00000000
[  236.695491] CFAR: c00000000089b868 IRQMASK: 0 
[  236.695491] GPR00: c000000000d342d8 c000003ffff5af50 c000000001938700 c000003009072500 
[  236.695491] GPR04: c000000005bd3dc0 c000003009071901 c000003009071900 77788365ef7903bf 
[  236.695491] GPR08: c000003009070200 c000003009071900 c000003009070000 0000000000007e80 
[  236.695491] GPR12: 0000000028008224 c000003ffff7dd00 c00000300499f400 0000000000000000 
[  236.695491] GPR16: 0000000000000a80 c0003d00135b2330 0000000000000800 0000000000000000 
[  236.695491] GPR20: 000000000000000e 0000000000000001 0000000000000000 ffffffffffffefbf 
[  236.695491] GPR24: c000003009071000 c000000005bd3dc0 c000000005bd36d0 00000000d6f20bc7 
[  236.695491] GPR28: 0000000000000000 c000003009072500 c000003008bb4e00 c000000005bd3600 
[  236.695561] NIP [c00000000089baf8] .rb_erase+0x398/0x440
[  236.695572] LR [c000000000d3429c] .tcp_data_queue+0x34c/0xfc0
[  236.695580] Call Trace:
[  236.695583] [c000003ffff5af50] [c000000000d342d8] .tcp_data_queue+0x388/0xfc0 (unreliable)
[  236.695592] [c000003ffff5b020] [c000000000d35318] .tcp_rcv_established+0x278/0x810
[  236.695600] [c000003ffff5b0d0] [c000000000d45ec0] .tcp_v4_do_rcv+0x1c0/0x360
[  236.695608] [c000003ffff5b160] [c000000000d48868] .tcp_v4_rcv+0xf28/0x10a0
[  236.695616] [c000003ffff5b290] [c000000000d082a8] .ip_protocol_deliver_rcu+0x68/0x310
[  236.695625] [c000003ffff5b330] [c000000000d085b0] .ip_local_deliver_finish+0x60/0x80
[  236.695634] [c000003ffff5b3a0] [c000000000d08650] .ip_local_deliver+0x80/0x160
[  236.695642] [c000003ffff5b470] [c000000000d079b0] .ip_sublist_rcv_finish+0x70/0xb0
[  236.695651] [c000003ffff5b500] [c000000000d07b9c] .ip_sublist_rcv+0x1ac/0x280
[  236.695660] [c000003ffff5b600] [c000000000d089a4] .ip_list_rcv+0x154/0x1c0
[  236.695667] [c000003ffff5b6e0] [c000000000c3476c] .__netif_receive_skb_list_core+0x21c/0x340
[  236.695678] [c000003ffff5b7d0] [c000000000c34a20] .netif_receive_skb_list_internal+0x190/0x310
[  236.695687] [c000003ffff5b8a0] [c000000000c34cd4] .gro_normal_list.part.159+0x24/0x50
[  236.695695] [c000003ffff5b920] [c000000000c34e0c] .napi_gro_complete+0xbc/0x190
[  236.695704] [c000003ffff5b9c0] [c000000000c3544c] .dev_gro_receive+0x35c/0x900
[  236.695712] [c000003ffff5bab0] [c000000000c35a58] .napi_gro_receive+0x68/0x240
[  236.695721] [c000003ffff5bb40] [c0003d00132045b8] .igb_poll+0x8e8/0x18d0 [igb]
[  236.695735] [c000003ffff5bcf0] [c000000000c36908] .__napi_poll+0x58/0x320
[  236.695743] [c000003ffff5bd90] [c000000000c370fc] .net_rx_action+0x2fc/0x350
[  236.695752] [c000003ffff5be90] [c000000000eaaf80] .__do_softirq+0x160/0x410
[  236.695760] [c000003ffff5bf90] [c000000000016540] .do_softirq_own_stack+0x30/0x50
[  236.695769] [c00000300411b7c0] [c00000000014c748] .irq_exit+0xd8/0x110
[  236.695778] [c00000300411b840] [c000000000015fd8] .do_IRQ+0xc8/0x1a0
[  236.695786] [c00000300411b8c0] [c000000000016264] .replay_soft_interrupts+0x1b4/0x310
[  236.695794] [c00000300411bb10] [c0000000000164a4] .arch_local_irq_restore+0xe4/0x150
[  236.695802] [c00000300411bb90] [c000000000bb657c] .cpuidle_enter_state+0xfc/0x4e0
[  236.695811] [c00000300411bc40] [c000000000bb69ec] .cpuidle_enter+0x3c/0x60
[  236.695818] [c00000300411bcc0] [c000000000196e1c] .call_cpuidle+0x3c/0x70
[  236.695827] [c00000300411bd30] [c000000000197400] .do_idle+0x330/0x380
[  236.695835] [c00000300411be00] [c000000000197658] .cpu_startup_entry+0x28/0x30
[  236.695844] [c00000300411be70] [c000000000056058] .start_secondary+0x6c8/0xb90
[  236.695852] [c00000300411bf90] [c00000000000d5e4] start_secondary_prolog+0x10/0x14
[  236.695860] Instruction dump:
[  236.695864] f9240000 7d495378 e94a0008 4bfffdd8 e8ea0008 2fa70000 f8e90010 f92a0008 
[  236.695876] f9480008 419e0084 61250001 7d264b78 <f8a70000> 7d495378 e94a0010 2faa0000 
[  236.695889] ---[ end trace bd194d1c22d14863 ]---
[  236.697224] 
[  237.697228] Kernel panic - not syncing: Aiee, killing interrupt handler!
[  237.700378] Rebooting in 120 seconds..

`dmesg -w` while background downloading a large file over HTTP: ``` [ 76.222503] igb 0045:01:00.0 eth0: igb: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX/TX [ 76.222881] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 236.695377] BUG: Unable to handle kernel data access at 0x77788365ef7903bf [ 236.695396] Faulting instruction address: 0xc00000000089baf8 [ 236.695404] Oops: Kernel access of bad area, sig: 11 [#1] [ 236.695409] BE PAGE_SIZE=4K MMU=Hash SMP NR_CPUS=256 NUMA PowerNV [ 236.695418] Modules linked in: cfg80211 rfkill 8021q garp stp mrp llc binfmt_misc igb i2c_algo_bit ipmi_powernv ipmi_msghandler powernv_op_panel uas dm_mirror dm_region_hash dm_log dm_mod [ 236.695452] CPU: 144 PID: 0 Comm: swapper/144 Tainted: G S 5.15.132-mc6-easy #1 [ 236.695462] NIP: c00000000089baf8 LR: c000000000d3429c CTR: c000000000da6b40 [ 236.695468] REGS: c000003ffff5acb0 TRAP: 0380 Tainted: G S (5.15.132-mc6-easy) [ 236.695476] MSR: 9000000000009032 <SF,HV,EE,ME,IR,DR,RI> CR: 28008824 XER: 00000000 [ 236.695491] CFAR: c00000000089b868 IRQMASK: 0 [ 236.695491] GPR00: c000000000d342d8 c000003ffff5af50 c000000001938700 c000003009072500 [ 236.695491] GPR04: c000000005bd3dc0 c000003009071901 c000003009071900 77788365ef7903bf [ 236.695491] GPR08: c000003009070200 c000003009071900 c000003009070000 0000000000007e80 [ 236.695491] GPR12: 0000000028008224 c000003ffff7dd00 c00000300499f400 0000000000000000 [ 236.695491] GPR16: 0000000000000a80 c0003d00135b2330 0000000000000800 0000000000000000 [ 236.695491] GPR20: 000000000000000e 0000000000000001 0000000000000000 ffffffffffffefbf [ 236.695491] GPR24: c000003009071000 c000000005bd3dc0 c000000005bd36d0 00000000d6f20bc7 [ 236.695491] GPR28: 0000000000000000 c000003009072500 c000003008bb4e00 c000000005bd3600 [ 236.695561] NIP [c00000000089baf8] .rb_erase+0x398/0x440 [ 236.695572] LR [c000000000d3429c] .tcp_data_queue+0x34c/0xfc0 [ 236.695580] Call Trace: [ 236.695583] [c000003ffff5af50] [c000000000d342d8] .tcp_data_queue+0x388/0xfc0 (unreliable) [ 236.695592] [c000003ffff5b020] [c000000000d35318] .tcp_rcv_established+0x278/0x810 [ 236.695600] [c000003ffff5b0d0] [c000000000d45ec0] .tcp_v4_do_rcv+0x1c0/0x360 [ 236.695608] [c000003ffff5b160] [c000000000d48868] .tcp_v4_rcv+0xf28/0x10a0 [ 236.695616] [c000003ffff5b290] [c000000000d082a8] .ip_protocol_deliver_rcu+0x68/0x310 [ 236.695625] [c000003ffff5b330] [c000000000d085b0] .ip_local_deliver_finish+0x60/0x80 [ 236.695634] [c000003ffff5b3a0] [c000000000d08650] .ip_local_deliver+0x80/0x160 [ 236.695642] [c000003ffff5b470] [c000000000d079b0] .ip_sublist_rcv_finish+0x70/0xb0 [ 236.695651] [c000003ffff5b500] [c000000000d07b9c] .ip_sublist_rcv+0x1ac/0x280 [ 236.695660] [c000003ffff5b600] [c000000000d089a4] .ip_list_rcv+0x154/0x1c0 [ 236.695667] [c000003ffff5b6e0] [c000000000c3476c] .__netif_receive_skb_list_core+0x21c/0x340 [ 236.695678] [c000003ffff5b7d0] [c000000000c34a20] .netif_receive_skb_list_internal+0x190/0x310 [ 236.695687] [c000003ffff5b8a0] [c000000000c34cd4] .gro_normal_list.part.159+0x24/0x50 [ 236.695695] [c000003ffff5b920] [c000000000c34e0c] .napi_gro_complete+0xbc/0x190 [ 236.695704] [c000003ffff5b9c0] [c000000000c3544c] .dev_gro_receive+0x35c/0x900 [ 236.695712] [c000003ffff5bab0] [c000000000c35a58] .napi_gro_receive+0x68/0x240 [ 236.695721] [c000003ffff5bb40] [c0003d00132045b8] .igb_poll+0x8e8/0x18d0 [igb] [ 236.695735] [c000003ffff5bcf0] [c000000000c36908] .__napi_poll+0x58/0x320 [ 236.695743] [c000003ffff5bd90] [c000000000c370fc] .net_rx_action+0x2fc/0x350 [ 236.695752] [c000003ffff5be90] [c000000000eaaf80] .__do_softirq+0x160/0x410 [ 236.695760] [c000003ffff5bf90] [c000000000016540] .do_softirq_own_stack+0x30/0x50 [ 236.695769] [c00000300411b7c0] [c00000000014c748] .irq_exit+0xd8/0x110 [ 236.695778] [c00000300411b840] [c000000000015fd8] .do_IRQ+0xc8/0x1a0 [ 236.695786] [c00000300411b8c0] [c000000000016264] .replay_soft_interrupts+0x1b4/0x310 [ 236.695794] [c00000300411bb10] [c0000000000164a4] .arch_local_irq_restore+0xe4/0x150 [ 236.695802] [c00000300411bb90] [c000000000bb657c] .cpuidle_enter_state+0xfc/0x4e0 [ 236.695811] [c00000300411bc40] [c000000000bb69ec] .cpuidle_enter+0x3c/0x60 [ 236.695818] [c00000300411bcc0] [c000000000196e1c] .call_cpuidle+0x3c/0x70 [ 236.695827] [c00000300411bd30] [c000000000197400] .do_idle+0x330/0x380 [ 236.695835] [c00000300411be00] [c000000000197658] .cpu_startup_entry+0x28/0x30 [ 236.695844] [c00000300411be70] [c000000000056058] .start_secondary+0x6c8/0xb90 [ 236.695852] [c00000300411bf90] [c00000000000d5e4] start_secondary_prolog+0x10/0x14 [ 236.695860] Instruction dump: [ 236.695864] f9240000 7d495378 e94a0008 4bfffdd8 e8ea0008 2fa70000 f8e90010 f92a0008 [ 236.695876] f9480008 419e0084 61250001 7d264b78 <f8a70000> 7d495378 e94a0010 2faa0000 [ 236.695889] ---[ end trace bd194d1c22d14863 ]--- [ 236.697224] [ 237.697228] Kernel panic - not syncing: Aiee, killing interrupt handler! [ 237.700378] Rebooting in 120 seconds.. ```