[    8.542203] BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
[    8.551091] PGD 0 P4D 0 
[    8.554022] Oops: 0000 [#1] SMP PTI
[    8.558020] CPU: 7 PID: 0 Comm: swapper/7 Not tainted 4.20.0-rc1.direct-00174-g9d037ad707ed #1410
[    8.568067] Hardware name: Supermicro SYS-7047GR-TRF/X9DRG-QF, BIOS 3.0a 12/05/2013
[    8.576759] RIP: 0010:t10_pi_complete+0x77/0x1c0
[    8.582021] Code: 65 4c 8b 2c 25 80 4d 01 00 4c 89 2c 24 44 88 64 24 17 48 8b 44 24 08 45 31 db f6 40 12 01 74 04 4c 8b 58 78 44 0f b6 54 24 17 <41> 8b 53 08 45 8b 43 10 45 8b 4b 14 41 8b 7b 18 45 85 c0 0f 84 ee
[    8.603162] RSP: 0018:ffff880479b83e90 EFLAGS: 00010246
[    8.609094] RAX: ffff88047569fe00 RBX: 0000000000000000 RCX: 00000000fffffff7
[    8.617172] RDX: 0000000000000008 RSI: 0000000000000000 RDI: ffff88047569fe00
[    8.625252] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000200
[    8.633329] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[    8.641407] R13: ffff8804785eee40 R14: ffff880272457080 R15: ffff880274c7a400
[    8.649485] FS:  0000000000000000(0000) GS:ffff880479b80000(0000) knlGS:0000000000000000
[    8.658654] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.665178] CR2: 0000000000000008 CR3: 0000000475aae005 CR4: 00000000000606e0
[    8.673255] Call Trace:
[    8.676090]  <IRQ>
[    8.678444]  sd_done+0xf5/0x340
[    8.682057]  scsi_finish_command+0xc3/0x120
[    8.686840]  blk_done_softirq+0x83/0xb0
[    8.691242]  __do_softirq+0xa1/0x2e6
[    8.695341]  irq_exit+0xbc/0xd0
[    8.698958]  call_function_single_interrupt+0xf/0x20
[    8.704608]  </IRQ>
[    8.707054] RIP: 0010:cpuidle_enter_state+0xbc/0x330
[    8.712695] Code: 77 7e e8 57 e2 88 ff 49 89 c7 8b 05 46 52 c9 00 85 c0 7f 79 31 ff e8 f3 ec 88 ff 80 7c 24 0f 00 0f 85 fc 00 00 00 fb 45 85 ed <0f> 88 27 02 00 00 4c 2b 7c 24 10 48 ba cf f7 53 e3 a5 9b c4 20 4c
[    8.733836] RSP: 0018:ffffc90001a27e88 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff04
[    8.742412] RAX: ffff880479ba1200 RBX: ffffffff824adfe0 RCX: 000000000000001f
[    8.750491] RDX: 00000001fd27837e RSI: 00000000355559b4 RDI: 0000000000000000
[    8.758562] RBP: ffffe8ffffd979c0 R08: 0000000000000004 R09: 0000000000020a80
[    8.766632] R10: 00000000ffffffff R11: 0000000000000169 R12: ffff8804785eee40
[    8.774711] R13: 0000000000000002 R14: 0000000000000002 R15: 00000001fd27837e
[    8.782790]  ? cpuidle_enter_state+0xad/0x330
[    8.787754]  do_idle+0x1e1/0x240
[    8.791460]  cpu_startup_entry+0x19/0x20
[    8.795948]  start_secondary+0x196/0x1e0
[    8.800432]  secondary_startup_64+0xa4/0xb0
[    8.805213] Modules linked in:
[    8.808725] CR2: 0000000000000008
[    8.812537] ---[ end trace 28b6363ca135f1f8 ]---
[    8.822574] RIP: 0010:t10_pi_complete+0x77/0x1c0
[    8.827836] Code: 65 4c 8b 2c 25 80 4d 01 00 4c 89 2c 24 44 88 64 24 17 48 8b 44 24 08 45 31 db f6 40 12 01 74 04 4c 8b 58 78 44 0f b6 54 24 17 <41> 8b 53 08 45 8b 43 10 45 8b 4b 14 41 8b 7b 18 45 85 c0 0f 84 ee
[    8.848977] RSP: 0018:ffff880479b83e90 EFLAGS: 00010246
[    8.854925] RAX: ffff88047569fe00 RBX: 0000000000000000 RCX: 00000000fffffff7
[    8.863003] RDX: 0000000000000008 RSI: 0000000000000000 RDI: ffff88047569fe00
[    8.871083] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000200
[    8.879162] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[    8.887241] R13: ffff8804785eee40 R14: ffff880272457080 R15: ffff880274c7a400
[    8.895311] FS:  0000000000000000(0000) GS:ffff880479b80000(0000) knlGS:0000000000000000
[    8.904471] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.910995] CR2: 0000000000000008 CR3: 0000000475aae005 CR4: 00000000000606e0
[    8.919072] Kernel panic - not syncing: Fatal exception in interrupt
[    8.926340] Kernel Offset: disabled
[    8.933578] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]---
[    8.942179] unchecked MSR access error: WRMSR to 0x83f (tried to write 0x00000000000000f6) at rIP: 0xffffffff810acf24 (native_apic_msr_write+0x24/0x40)
[    8.957469] Call Trace:
[    8.960301]  <IRQ>
[    8.962649]  arch_irq_work_raise+0x28/0x40
[    8.967331]  irq_work_queue+0x98/0xa0
[    8.971524]  enqueue_entity+0x6f3/0x7a0
[    8.975913]  enqueue_task_fair+0xa5/0x6d0
[    8.980496]  ? vt_console_print+0x223/0x3d0
[    8.985273]  ttwu_do_activate+0x44/0x80
[    8.989659]  sched_ttwu_pending+0x87/0xd0
[    8.994240]  scheduler_ipi+0x4d/0x130
[    8.998434]  reschedule_interrupt+0xf/0x20
[    9.003119] RIP: 0010:panic+0x20e/0x253
[    9.007503] Code: 48 83 c3 64 eb a6 83 3d d2 cf a6 01 00 74 05 e8 4b 40 02 00 48 c7 c6 00 28 b6 82 48 c7 c7 c8 c3 22 82 e8 e6 c9 05 00 fb 31 db <e8> a0 74 0b 00 4c 39 eb 7c 1d 41 83 f4 01 48 8b 05 80 cf a6 01 44
[    9.028644] RSP: 0018:ffff880479b83ce0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff02
[    9.037220] RAX: 0000000000000046 RBX: 0000000000000000 RCX: ffffffff82454f38
[    9.045297] RDX: 0000000000000000 RSI: 0000000000000096 RDI: ffffffff82b690cc
[    9.053374] RBP: ffff880479b83d58 R08: 0000000000000000 R09: 0000000000000000
[    9.061452] R10: 0000000000000019 R11: ffffffff82b6b10d R12: 0000000000000000
[    9.069530] R13: 0000000000000000 R14: 0000000000000046 R15: 0000000000000009
[    9.077609]  ? reschedule_interrupt+0xa/0x20
[    9.082477]  oops_end+0xbb/0xc0
[    9.086089]  no_context+0x1aa/0x3a0
[    9.090086]  page_fault+0x1e/0x30
[    9.093890] RIP: 0010:t10_pi_complete+0x77/0x1c0
[    9.099150] Code: 65 4c 8b 2c 25 80 4d 01 00 4c 89 2c 24 44 88 64 24 17 48 8b 44 24 08 45 31 db f6 40 12 01 74 04 4c 8b 58 78 44 0f b6 54 24 17 <41> 8b 53 08 45 8b 43 10 45 8b 4b 14 41 8b 7b 18 45 85 c0 0f 84 ee
[    9.120291] RSP: 0018:ffff880479b83e90 EFLAGS: 00010246
[    9.126222] RAX: ffff88047569fe00 RBX: 0000000000000000 RCX: 00000000fffffff7
[    9.134300] RDX: 0000000000000008 RSI: 0000000000000000 RDI: ffff88047569fe00
[    9.142379] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000200
[    9.150456] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[    9.158534] R13: ffff8804785eee40 R14: ffff880272457080 R15: ffff880274c7a400
[    9.166614]  sd_done+0xf5/0x340
[    9.170223]  scsi_finish_command+0xc3/0x120
[    9.174999]  blk_done_softirq+0x83/0xb0
[    9.179386]  __do_softirq+0xa1/0x2e6
[    9.183481]  irq_exit+0xbc/0xd0
[    9.187081]  call_function_single_interrupt+0xf/0x20
[    9.192730]  </IRQ>
[    9.195172] RIP: 0010:cpuidle_enter_state+0xbc/0x330
[    9.200819] Code: 77 7e e8 57 e2 88 ff 49 89 c7 8b 05 46 52 c9 00 85 c0 7f 79 31 ff e8 f3 ec 88 ff 80 7c 24 0f 00 0f 85 fc 00 00 00 fb 45 85 ed <0f> 88 27 02 00 00 4c 2b 7c 24 10 48 ba cf f7 53 e3 a5 9b c4 20 4c
[    9.221960] RSP: 0018:ffffc90001a27e88 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff04
[    9.230545] RAX: ffff880479ba1200 RBX: ffffffff824adfe0 RCX: 000000000000001f
[    9.238622] RDX: 00000001fd27837e RSI: 00000000355559b4 RDI: 0000000000000000
[    9.246700] RBP: ffffe8ffffd979c0 R08: 0000000000000004 R09: 0000000000020a80
[    9.254777] R10: 00000000ffffffff R11: 0000000000000169 R12: ffff8804785eee40
[    9.262855] R13: 0000000000000002 R14: 0000000000000002 R15: 00000001fd27837e
[    9.270935]  ? cpuidle_enter_state+0xad/0x330
[    9.275905]  do_idle+0x1e1/0x240
[    9.279610]  cpu_startup_entry+0x19/0x20
[    9.284095]  start_secondary+0x196/0x1e0
[    9.288579]  secondary_startup_64+0xa4/0xb0