Hi, This basically happens on most shutdowns (and one of the ways to ensure it happens always is to for example change i/o schedulers after the boot via simple udev rules). Normally (on successful shutdown), the very last things displayed right after sync messages are "sending message unit reset !!", followed by "message unit reset: success". On kernel panic, the following trace was captured via serial console (tested with recent 4.19 and 4.20 kernels): [ 41.563811] systemd-shutdown[1]: All filesystems unmounted. [ 41.591078] systemd-shutdown[1]: Deactivating swaps. [ 41.618557] systemd-shutdown[1]: All swaps deactivated. [ 41.646348] systemd-shutdown[1]: Detaching loop devices. [ 41.673201] systemd-shutdown[1]: All loop devices detached. [ 41.700853] systemd-shutdown[1]: Detaching DM devices. [ 42.765286] kvm: exiting hardware virtualization [ 42.790096] sd 2:0:0:0: [sds] Synchronizing SCSI cache [ 42.814967] sd 2:0:0:0: [sds] Stopping disk [ 43.585858] sd 0:0:16:0: [sdr] Synchronizing SCSI cache [ 43.610431] sd 0:0:15:0: [sdq] Synchronizing SCSI cache [ 43.635195] sd 0:0:14:0: [sdp] Synchronizing SCSI cache [ 43.659712] sd 0:0:13:0: [sdo] Synchronizing SCSI cache [ 43.684316] sd 0:0:12:0: [sdn] Synchronizing SCSI cache [ 43.708725] sd 0:0:11:0: [sdm] Synchronizing SCSI cache [ 43.732968] sd 0:0:10:0: [sdl] Synchronizing SCSI cache [ 43.756784] sd 0:0:9:0: [sdk] Synchronizing SCSI cache [ 43.780457] sd 0:0:8:0: [sdj] Synchronizing SCSI cache [ 43.804158] sd 0:0:7:0: [sdi] Synchronizing SCSI cache [ 43.887202] sd 0:0:6:0: [sdh] Synchronizing SCSI cache [ 43.910297] sd 0:0:5:0: [sdg] Synchronizing SCSI cache [ 43.933208] sd 0:0:4:0: [sdf] Synchronizing SCSI cache [ 43.960025] sd 0:0:3:0: [sde] Synchronizing SCSI cache [ 43.986534] sd 0:0:2:0: [sdd] Synchronizing SCSI cache [ 44.012309] sd 0:0:1:0: [sdc] Synchronizing SCSI cache [ 44.038061] sd 0:0:0:0: [sdb] Synchronizing SCSI cache [ 44.059414] sd 1:0:0:0: [sda] Synchronizing SCSI cache [ 44.082177] sd 1:0:0:0: [sda] Stopping disk [ 45.131598] general protection fault: 0000 [#1] SMP NOPTI [ 45.152880] CPU: 4 PID: 1 Comm: systemd-shutdow Tainted: G E 4.20.7 #2 [ 45.176893] Hardware name: Supermicro X9DR7/E-(J)LN4F/X9DR7/E-(J)LN4F, BIOS 3.3 07/13/2018 [ 45.201312] RIP: 0010:_scsih_set_satl_pending+0xc/0x50 [mpt3sas] [ 45.224274] Code: c3 48 c1 ee 0b b8 20 00 00 00 ba 40 00 00 00 89 41 04 89 11 31 c0 89 71 08 c3 0f 1f 40 00 0f 1f 44 00 00 48 8b 87 f8 00 00 00 <0f> b6 10 80 fa a1 74 09 31 c0 80 fa 85 74 02 f3 c3 48 8b 47 38 40 [ 45.279464] RSP: 0018:ffffbb31000bfd58 EFLAGS: 00010202 [ 45.303230] RAX: 5d8824840b490000 RBX: ffff9179613c47b8 RCX: 0000000000000000 [ 45.330342] RDX: ffff9179613c4680 RSI: 0000000000000000 RDI: ffff9179613c47b8 [ 45.358839] RBP: 0000000000000d48 R08: 0000000000000002 R09: ffffbb31000bfd24 [ 45.385354] R10: 0000000000000000 R11: 0000000000002eaf R12: ffff91796d4d67a8 [ 45.411901] R13: 0000000000000001 R14: ffff91796cd87110 R15: 0000000000000000 [ 45.438156] FS: 00007f59cdc31900(0000) GS:ffff917d6fa00000(0000) knlGS:0000000000000000 [ 45.465301] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.490454] CR2: 00007f3caf6258dc CR3: 000000046b4f0006 CR4: 00000000001606e0 [ 45.517481] Call Trace: [ 45.539085] _scsih_flush_running_cmds+0x41/0xc0 [mpt3sas] [ 45.567700] scsih_shutdown+0x37/0xb0 [mpt3sas] [ 45.594390] pci_device_shutdown+0x34/0x60 [ 45.619163] device_shutdown+0x15d/0x210 [ 45.644653] kernel_power_off+0x31/0x70 [ 45.668895] __do_sys_reboot+0x18f/0x210 [ 45.694431] ? do_sigtimedwait+0x1ec/0x220 [ 45.718983] ? do_writev+0x5e/0xf0 [ 45.740803] ? do_writev+0x5e/0xf0 [ 45.762389] do_syscall_64+0x55/0xf0 [ 45.783393] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.806505] RIP: 0033:0x7f59cd765686 [ 45.828537] Code: 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 63 d7 be 69 19 12 28 48 c7 c7 ad de e1 fe b8 a9 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 02 f3 c3 48 8b 15 e1 77 2b 00 f7 d8 64 89 02 [ 45.886146] RSP: 002b:00007ffe18fd6c88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a9 [ 45.914428] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f59cd765686 [ 45.943101] RDX: 000000004321fedc RSI: 0000000028121969 RDI: fffffffffee1dead [ 45.971078] RBP: 0000000000000000 R08: 0000000000000100 R09: 0000000000000005 [ 46.000322] R10: 000000000000003d R11: 0000000000000206 R12: 00007ffe18fd6d20 [ 46.029825] R13: 00005629faff6360 R14: 00007ffe18fd6dc0 R15: 00007ffe18fd7018 [ 46.059573] Modules linked in: nls_ascii(E) nls_cp437(E) vfat(E) fat(E) intel_rapl(E) sb_edac(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) irqbypass(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) aesni_intel(E) aes_x86_64(E) crypto_simd(E) cryptd(E) glue_helper(E) intel_cstate(E) iTCO_wdt(E) intel_uncore(E) iTCO_vendor_support(E) snd_pcm(E) efi_pstore(E) intel_rapl_perf(E) snd_timer(E) snd(E) soundcore(E) efivars(E) pcspkr(E) lpc_ich(E) joydev(E) evdev(E) bfq(E) mei_me(E) sg(E) mei(E) ioatdma(E) ipmi_si(E) ipmi_devintf(E) ipmi_msghandler(E) pcc_cpufreq(E) button(E) efivarfs(E) ip_tables(E) x_tables(E) autofs4(E) ext4(E) crc16(E) mbcache(E) jbd2(E) fscrypto(E) btrfs(E) zstd_decompress(E) zstd_compress(E) xxhash(E) raid0(E) multipath(E) raid456(E) async_raid6_recov(E) async_memcpy(E) async_pq(E) async_xor(E) async_tx(E) xor(E) raid1(E) raid6_pq(E) libcrc32c(E) crc32c_generic(E) raid10(E) linear(E) ses(E) md_mod(E) enclosure(E) hid_generic(E) [ 46.059627] usbhid(E) hid(E) sd_mod(E) ahci(E) libahci(E) ehci_pci(E) mpt3sas(E) raid_class(E) igb(E) ehci_hcd(E) scsi_transport_sas(E) libata(E) i2c_algo_bit(E) crc32c_intel(E) usbcore(E) scsi_mod(E) i2c_i801(E) dca(E) wmi(E) [ 46.453696] ---[ end trace c7f8fcdd896d33e6 ]--- [ 46.496353] RIP: 0010:_scsih_set_satl_pending+0xc/0x50 [mpt3sas] [ 46.536771] Code: c3 48 c1 ee 0b b8 20 00 00 00 ba 40 00 00 00 89 41 04 89 11 31 c0 89 71 08 c3 0f 1f 40 00 0f 1f 44 00 00 48 8b 87 f8 00 00 00 <0f> b6 10 80 fa a1 74 09 31 c0 80 fa 85 74 02 f3 c3 48 8b 47 38 40 [ 46.626011] RSP: 0018:ffffbb31000bfd58 EFLAGS: 00010202 [ 46.665499] RAX: 5d8824840b490000 RBX: ffff9179613c47b8 RCX: 0000000000000000 [ 46.706433] RDX: ffff9179613c4680 RSI: 0000000000000000 RDI: ffff9179613c47b8 [ 46.747730] RBP: 0000000000000d48 R08: 0000000000000002 R09: ffffbb31000bfd24 [ 46.788281] R10: 0000000000000000 R11: 0000000000002eaf R12: ffff91796d4d67a8 [ 46.829094] R13: 0000000000000001 R14: ffff91796cd87110 R15: 0000000000000000 [ 46.873644] FS: 00007f59cdc31900(0000) GS:ffff917d6fa00000(0000) knlGS:0000000000000000 [ 46.919720] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.958743] CR2: 00007f3caf6258dc CR3: 000000046b4f0006 CR4: 00000000001606e0 [ 47.002844] printk: systemd-shutdow: 4 output lines suppressed due to ratelimiting [ 47.044818] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b [ 47.086916] Kernel Offset: 0x36600000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 47.136709] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b ]--- [ 47.180672] ------------[ cut here ]------------ [ 47.220188] sched: Unexpected reschedule of offline CPU#0! [ 47.260447] WARNING: CPU: 5 PID: 1 at arch/x86/kernel/smp.c:128 native_smp_send_reschedule+0x34/0x40 [ 47.305700] Modules linked in: nls_ascii(E) nls_cp437(E) vfat(E) fat(E) intel_rapl(E) sb_edac(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) irqbypass(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) aesni_intel(E) aes_x86_64(E) crypto_simd(E) cryptd(E) glue_helper(E) intel_cstate(E) iTCO_wdt(E) intel_uncore(E) iTCO_vendor_support(E) snd_pcm(E) efi_pstore(E) intel_rapl_perf(E) snd_timer(E) snd(E) soundcore(E) efivars(E) pcspkr(E) lpc_ich(E) joydev(E) evdev(E) bfq(E) mei_me(E) sg(E) mei(E) ioatdma(E) ipmi_si(E) ipmi_devintf(E) ipmi_msghandler(E) pcc_cpufreq(E) button(E) efivarfs(E) ip_tables(E) x_tables(E) autofs4(E) ext4(E) crc16(E) mbcache(E) jbd2(E) fscrypto(E) btrfs(E) zstd_decompress(E) zstd_compress(E) xxhash(E) raid0(E) multipath(E) raid456(E) async_raid6_recov(E) async_memcpy(E) async_pq(E) async_xor(E) async_tx(E) xor(E) raid1(E) raid6_pq(E) libcrc32c(E) crc32c_generic(E) raid10(E) linear(E) ses(E) md_mod(E) enclosure(E) hid_generic(E) [ 47.305718] usbhid(E) hid(E) sd_mod(E) ahci(E) libahci(E) ehci_pci(E) mpt3sas(E) raid_class(E) igb(E) ehci_hcd(E) scsi_transport_sas(E) libata(E) i2c_algo_bit(E) crc32c_intel(E) usbcore(E) scsi_mod(E) i2c_i801(E) dca(E) wmi(E) [ 47.826473] CPU: 5 PID: 1 Comm: systemd-shutdow Tainted: G D E 4.20.7 #2 [ 47.878173] Hardware name: Supermicro X9DR7/E-(J)LN4F/X9DR7/E-(J)LN4F, BIOS 3.3 07/13/2018 [ 47.930647] RIP: 0010:native_smp_send_reschedule+0x34/0x40 [ 47.979938] Code: 05 f1 f8 0b 01 73 15 48 8b 05 e8 81 e7 00 be fd 00 00 00 48 8b 40 30 e9 ea 56 9b 00 89 fe 48 c7 c7 48 51 42 b8 e8 ac 20 03 00 <0f> 0b c3 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 53 48 83 ec 20 [ 48.093029] RSP: 0018:ffff917d6fa83ed8 EFLAGS: 00010082 [ 48.149498] RAX: 0000000000000000 RBX: ffff917d6ddf63c0 RCX: ffffffffb864d428 [ 48.202396] RDX: 0000000000000001 RSI: 0000000000000092 RDI: 0000000000000046 [ 48.254816] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000aaaaaa [ 48.306828] R10: 0000000000000020 R11: 0000000000000001 R12: ffffbb31000bfda8 [ 48.357835] R13: ffffffffb7710cd0 R14: 0000000000000006 R15: 0000000000000000 [ 48.407961] FS: 0000000000000000(0000) GS:ffff917d6fa80000(0000) knlGS:0000000000000000 [ 48.458603] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.506629] CR2: 00007fb6b8010938 CR3: 000000067f00a004 CR4: 00000000001606e0 [ 48.556242] Call Trace: [ 48.598783] <IRQ> [ 48.639859] update_process_times+0x40/0x50 [ 48.682328] tick_sched_handle+0x22/0x60 [ 48.723880] tick_sched_timer+0x37/0x70 [ 48.765024] __hrtimer_run_queues+0xfc/0x270 [ 48.805900] hrtimer_interrupt+0x101/0x240 [ 48.846134] smp_apic_timer_interrupt+0x6a/0x130 [ 48.886532] apic_timer_interrupt+0xf/0x20 [ 48.925831] </IRQ> [ 48.962622] RIP: 0010:panic+0x21b/0x262 [ 49.001520] Code: eb a6 83 3d 58 ac 53 01 00 74 05 e8 f1 59 02 00 48 c7 c6 60 90 bb b8 48 c7 c7 a0 ee 42 b8 e8 dc 37 06 00 fb 66 0f 1f 44 00 00 <31> db e8 60 72 0c 00 4c 39 eb 7c 1d 41 83 f4 01 48 8b 05 00 ac 53 [ 49.093776] RSP: 0018:ffffbb31000bfe58 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 49.138456] RAX: 0000000000000055 RBX: ffff917d6ddf6300 RCX: ffffffffb864d428 [ 49.181707] RDX: 0000000000000000 RSI: 0000000000000096 RDI: 0000000000000046 [ 49.225590] RBP: ffffbb31000bfed0 R08: 0000000000000005 R09: 0000000000aaaaaa [ 49.268823] R10: 0000000000000019 R11: 0000000000000001 R12: 0000000000000000 [ 49.311527] R13: 0000000000000000 R14: ffffffffb86452e0 R15: ffff917d6ddf63c0 [ 49.357866] ? panic+0x214/0x262 [ 49.395102] do_exit+0xc0c/0xc10 [ 49.432198] ? do_writev+0x5e/0xf0 [ 49.468598] rewind_stack_do_exit+0x17/0x20 [ 49.505879] ---[ end trace c7f8fcdd896d33e7 ]--- [ 49.543704] WARNING: CPU: 5 PID: 1 at kernel/sched/core.c:1168 set_task_cpu+0x167/0x170 [ 49.588858] Modules linked in: nls_ascii(E) nls_cp437(E) vfat(E) fat(E) intel_rapl(E) sb_edac(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) irqbypass(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) aesni_intel(E) aes_x86_64(E) crypto_simd(E) cryptd(E) glue_helper(E) intel_cstate(E) iTCO_wdt(E) intel_uncore(E) iTCO_vendor_support(E) snd_pcm(E) efi_pstore(E) intel_rapl_perf(E) snd_timer(E) snd(E) soundcore(E) efivars(E) pcspkr(E) lpc_ich(E) joydev(E) evdev(E) bfq(E) mei_me(E) sg(E) mei(E) ioatdma(E) ipmi_si(E) ipmi_devintf(E) ipmi_msghandler(E) pcc_cpufreq(E) button(E) efivarfs(E) ip_tables(E) x_tables(E) autofs4(E) ext4(E) crc16(E) mbcache(E) jbd2(E) fscrypto(E) btrfs(E) zstd_decompress(E) zstd_compress(E) xxhash(E) raid0(E) multipath(E) raid456(E) async_raid6_recov(E) async_memcpy(E) async_pq(E) async_xor(E) async_tx(E) xor(E) raid1(E) raid6_pq(E) libcrc32c(E) crc32c_generic(E) raid10(E) linear(E) ses(E) md_mod(E) enclosure(E) hid_generic(E) [ 49.588874] usbhid(E) hid(E) sd_mod(E) ahci(E) libahci(E) ehci_pci(E) mpt3sas(E) raid_class(E) igb(E) ehci_hcd(E) scsi_transport_sas(E) libata(E) i2c_algo_bit(E) crc32c_intel(E) usbcore(E) scsi_mod(E) i2c_i801(E) dca(E) wmi(E) [ 50.036919] CPU: 5 PID: 1 Comm: systemd-shutdow Tainted: G D W E 4.20.7 #2 [ 50.078246] Hardware name: Supermicro X9DR7/E-(J)LN4F/X9DR7/E-(J)LN4F, BIOS 3.3 07/13/2018 [ 50.118827] RIP: 0010:set_task_cpu+0x167/0x170 [ 50.155031] Code: ff ff ff 80 8b 4c 04 00 00 04 e9 54 ff ff ff 0f 0b e9 de fe ff ff f7 43 60 fd ff ff ff 0f 84 e8 fe ff ff 0f 0b e9 e1 fe ff ff <0f> 0b e9 eb fe ff ff 66 90 0f 1f 44 00 00 41 55 41 54 49 89 f5 55 [ 50.240066] RSP: 0018:ffff917d6fa83e58 EFLAGS: 00010006 [ 50.278297] RAX: 0000000000000200 RBX: ffff91796d40e3c0 RCX: 000000000000018a [ 50.319641] RDX: ffffffffffffff58 RSI: 0000000000000006 RDI: ffff91796d40e3c0 [ 50.360526] RBP: ffff91796d40e728 R08: 0000000000000006 R09: 0000000000021240 [ 50.401357] R10: 0000000000000005 R11: 0000000000000001 R12: 0000000000000006 [ 50.442145] R13: 0000000000000006 R14: 0000000000000046 R15: 0000000000021980 [ 50.482260] FS: 0000000000000000(0000) GS:ffff917d6fa80000(0000) knlGS:0000000000000000 [ 50.524269] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.564296] CR2: 00007fb6b8010938 CR3: 000000067f00a004 CR4: 00000000001606e0 [ 50.605120] Call Trace: [ 50.641247] <IRQ> [ 50.676445] try_to_wake_up+0x151/0x490 [ 50.713369] swake_up_locked+0x20/0x50 [ 50.750958] swake_up_one+0x1a/0x30 [ 50.787796] rcu_process_callbacks+0xb3/0x460 [ 50.826035] __do_softirq+0x112/0x2e0 [ 50.867060] irq_exit+0xc2/0xd0 [ 50.908429] smp_apic_timer_interrupt+0x74/0x130 [ 50.946337] apic_timer_interrupt+0xf/0x20 [ 50.983312] </IRQ> [ 51.016891] RIP: 0010:panic+0x21b/0x262 [ 51.053172] Code: eb a6 83 3d 58 ac 53 01 00 74 05 e8 f1 59 02 00 48 c7 c6 60 90 bb b8 48 c7 c7 a0 ee 42 b8 e8 dc 37 06 00 fb 66 0f 1f 44 00 00 <31> db e8 60 72 0c 00 4c 39 eb 7c 1d 41 83 f4 01 48 8b 05 00 ac 53 [ 51.138104] RSP: 0018:ffffbb31000bfe58 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 51.178857] RAX: 0000000000000055 RBX: ffff917d6ddf6300 RCX: ffffffffb864d428 [ 51.219368] RDX: 0000000000000000 RSI: 0000000000000096 RDI: 0000000000000046 [ 51.259723] RBP: ffffbb31000bfed0 R08: 0000000000000005 R09: 0000000000aaaaaa [ 51.299906] R10: 0000000000000019 R11: 0000000000000001 R12: 0000000000000000 [ 51.340981] R13: 0000000000000000 R14: ffffffffb86452e0 R15: ffff917d6ddf63c0 [ 51.381547] ? panic+0x214/0x262 [ 51.417817] do_exit+0xc0c/0xc10 [ 51.454187] ? do_writev+0x5e/0xf0 [ 51.490356] rewind_stack_do_exit+0x17/0x20 [ 51.526915] ---[ end trace c7f8fcdd896d33e8 ]--- [ 51.563684] ------------[ cut here ]------------ [ 51.598307] sched: Unexpected reschedule of offline CPU#6! [ 51.634384] WARNING: CPU: 5 PID: 1 at arch/x86/kernel/smp.c:128 native_smp_send_reschedule+0x34/0x40 [ 51.673548] Modules linked in: nls_ascii(E) nls_cp437(E) vfat(E) fat(E) intel_rapl(E) sb_edac(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) irqbypass(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) aesni_intel(E) aes_x86_64(E) crypto_simd(E) cryptd(E) glue_helper(E) intel_cstate(E) iTCO_wdt(E) intel_uncore(E) iTCO_vendor_support(E) snd_pcm(E) efi_pstore(E) intel_rapl_perf(E) snd_timer(E) snd(E) soundcore(E) efivars(E) pcspkr(E) lpc_ich(E) joydev(E) evdev(E) bfq(E) mei_me(E) sg(E) mei(E) ioatdma(E) ipmi_si(E) ipmi_devintf(E) ipmi_msghandler(E) pcc_cpufreq(E) button(E) efivarfs(E) ip_tables(E) x_tables(E) autofs4(E) ext4(E) crc16(E) mbcache(E) jbd2(E) fscrypto(E) btrfs(E) zstd_decompress(E) zstd_compress(E) xxhash(E) raid0(E) multipath(E) raid456(E) async_raid6_recov(E) async_memcpy(E) async_pq(E) async_xor(E) async_tx(E) xor(E) raid1(E) raid6_pq(E) libcrc32c(E) crc32c_generic(E) raid10(E) linear(E) ses(E) md_mod(E) enclosure(E) hid_generic(E) [ 51.673564] usbhid(E) hid(E) sd_mod(E) ahci(E) libahci(E) ehci_pci(E) mpt3sas(E) raid_class(E) igb(E) ehci_hcd(E) scsi_transport_sas(E) libata(E) i2c_algo_bit(E) crc32c_intel(E) usbcore(E) scsi_mod(E) i2c_i801(E) dca(E) wmi(E) [ 52.089150] CPU: 5 PID: 1 Comm: systemd-shutdow Tainted: G D W E 4.20.7 #2 [ 52.132938] Hardware name: Supermicro X9DR7/E-(J)LN4F/X9DR7/E-(J)LN4F, BIOS 3.3 07/13/2018 [ 52.173615] RIP: 0010:native_smp_send_reschedule+0x34/0x40 [ 52.210372] Code: 05 f1 f8 0b 01 73 15 48 8b 05 e8 81 e7 00 be fd 00 00 00 48 8b 40 30 e9 ea 56 9b 00 89 fe 48 c7 c7 48 51 42 b8 e8 ac 20 03 00 <0f> 0b c3 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 53 48 83 ec 20 [ 52.294550] RSP: 0018:ffff917d6fa83e40 EFLAGS: 00010086 [ 52.333796] RAX: 0000000000000000 RBX: ffff917d6fb21980 RCX: ffffffffb864d428 [ 52.374430] RDX: 0000000000000001 RSI: 0000000000000086 RDI: 0000000000000046 [ 52.414733] RBP: ffff91796d40e3c0 R08: 0000000000000005 R09: 0000000000aaaaaa [ 52.455089] R10: ffff917d6fa83d78 R11: 0000000000000001 R12: ffff917d6fb21980 [ 52.495131] R13: ffff917d6fa83e90 R14: 0000000000000046 R15: 0000000000021980 [ 52.535792] FS: 0000000000000000(0000) GS:ffff917d6fa80000(0000) knlGS:0000000000000000 [ 52.577984] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.617169] CR2: 00007fb6b8010938 CR3: 000000067f00a004 CR4: 00000000001606e0 [ 52.657878] Call Trace: [ 52.694014] <IRQ> [ 52.729620] check_preempt_curr+0x4e/0x90 [ 52.767410] ttwu_do_wakeup+0x19/0x140 [ 52.804758] try_to_wake_up+0x1ce/0x490 [ 52.842279] swake_up_locked+0x20/0x50 [ 52.879522] swake_up_one+0x1a/0x30 [ 52.916160] rcu_process_callbacks+0xb3/0x460 [ 52.953326] __do_softirq+0x112/0x2e0 [ 52.989287] irq_exit+0xc2/0xd0 [ 53.023912] smp_apic_timer_interrupt+0x74/0x130 [ 53.061088] apic_timer_interrupt+0xf/0x20 [ 53.096701] </IRQ> [ 53.130400] RIP: 0010:panic+0x21b/0x262 [ 53.165971] Code: eb a6 83 3d 58 ac 53 01 00 74 05 e8 f1 59 02 00 48 c7 c6 60 90 bb b8 48 c7 c7 a0 ee 42 b8 e8 dc 37 06 00 fb 66 0f 1f 44 00 00 <31> db e8 60 72 0c 00 4c 39 eb 7c 1d 41 83 f4 01 48 8b 05 00 ac 53 [ 53.250400] RSP: 0018:ffffbb31000bfe58 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 53.291294] RAX: 0000000000000055 RBX: ffff917d6ddf6300 RCX: ffffffffb864d428 [ 53.334309] RDX: 0000000000000000 RSI: 0000000000000096 RDI: 0000000000000046 [ 53.376528] RBP: ffffbb31000bfed0 R08: 0000000000000005 R09: 0000000000aaaaaa [ 53.417038] R10: 0000000000000019 R11: 0000000000000001 R12: 0000000000000000 [ 53.457751] R13: 0000000000000000 R14: ffffffffb86452e0 R15: ffff917d6ddf63c0 [ 53.498695] ? panic+0x214/0x262 [ 53.535368] do_exit+0xc0c/0xc10 [ 53.574925] ? do_writev+0x5e/0xf0 [ 53.614015] rewind_stack_do_exit+0x17/0x20 [ 53.653035] ---[ end trace c7f8fcdd896d33e9 ]---
