And another example of calltrace: Sep 5 21:25:32 BelliashPC kernel: NMI backtrace for cpu 1 Sep 5 21:25:32 BelliashPC kernel: CPU: 1 PID: 13564 Comm: DOM File Tainted: P D O T 5.2.11-gentoo #1 Sep 5 21:25:32 BelliashPC kernel: Hardware name: Gigabyte Technology Co., Ltd. B450 AORUS ELITE/B450 AORUS ELITE, BIOS F42a 07/31/2019 Sep 5 21:25:32 BelliashPC kernel: Call Trace: Sep 5 21:25:32 BelliashPC kernel: Sep 5 21:25:32 BelliashPC kernel: dump_stack+0x46/0x60 Sep 5 21:25:32 BelliashPC kernel: nmi_cpu_backtrace.cold+0x14/0x53 Sep 5 21:25:32 BelliashPC kernel: ? lapic_can_unplug_cpu.cold+0x42/0x42 Sep 5 21:25:32 BelliashPC kernel: nmi_trigger_cpumask_backtrace+0x89/0x8b Sep 5 21:25:32 BelliashPC kernel: rcu_dump_cpu_stacks+0x7b/0xa9 Sep 5 21:25:32 BelliashPC kernel: rcu_sched_clock_irq.cold+0x1a2/0x38d Sep 5 21:25:32 BelliashPC kernel: ? tick_sched_do_timer+0x50/0x50 Sep 5 21:25:32 BelliashPC kernel: update_process_times+0x24/0x60 Sep 5 21:25:32 BelliashPC kernel: tick_sched_timer+0x33/0x70 Sep 5 21:25:32 BelliashPC kernel: __hrtimer_run_queues+0xe7/0x180 Sep 5 21:25:32 BelliashPC kernel: hrtimer_interrupt+0x100/0x220 Sep 5 21:25:32 BelliashPC kernel: smp_apic_timer_interrupt+0x56/0x90 Sep 5 21:25:32 BelliashPC kernel: apic_timer_interrupt+0xf/0x20 Sep 5 21:25:32 BelliashPC kernel: Sep 5 21:25:32 BelliashPC kernel: RIP: 0010:queued_spin_lock_slowpath+0x3f/0x1a0 Sep 5 21:25:32 BelliashPC kernel: Code: 0f ba 2f 08 0f 92 c0 0f b6 c0 c1 e0 08 89 c2 8b 07 30 e4 09 d0 a9 00 01 ff ff 75 18 85 c0 74 0e 8b 07 84 c0 74 08 f3 90 8b 07 <84> c0 75 f8 66 c7 07 01 00 c3 f6 c4 01 75 04 c6 47 01 00 48 c7 c0 Sep 5 21:25:32 BelliashPC kernel: RSP: 0018:ffffa299085afc48 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 Sep 5 21:25:32 BelliashPC kernel: RAX: 00000000003c0101 RBX: ffffa299085afd10 RCX: 000000008a2ee8ff Sep 5 21:25:32 BelliashPC kernel: RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa299034fdb44 Sep 5 21:25:32 BelliashPC kernel: RBP: ffffa299085afcc0 R08: ffffa299085afcc0 R09: 0000000000000000 Sep 5 21:25:32 BelliashPC kernel: R10: 0000000000000000 R11: 0000000000000000 R12: 00007fa4d675aa38 Sep 5 21:25:32 BelliashPC kernel: R13: 0000000000000000 R14: 0000000000000000 R15: ffffa299034fdb40 Sep 5 21:25:32 BelliashPC kernel: futex_wait_setup+0x77/0x110 Sep 5 21:25:32 BelliashPC kernel: futex_wait+0xcf/0x230 Sep 5 21:25:32 BelliashPC kernel: ? ep_poll_callback+0x256/0x280 Sep 5 21:25:32 BelliashPC kernel: do_futex+0x15e/0xc60 Sep 5 21:25:32 BelliashPC kernel: ? pipe_write+0x382/0x410 Sep 5 21:25:32 BelliashPC kernel: ? new_sync_write+0x12c/0x1d0 Sep 5 21:25:32 BelliashPC kernel: __x64_sys_futex+0x137/0x170 Sep 5 21:25:32 BelliashPC kernel: do_syscall_64+0x4a/0x110 Sep 5 21:25:32 BelliashPC kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9 Sep 5 21:25:32 BelliashPC kernel: RIP: 0033:0x7fa4e76c7067 Sep 5 21:25:32 BelliashPC kernel: Code: 5c 24 68 48 89 44 24 50 e8 96 38 00 00 e8 c1 3d 00 00 89 de 41 89 c1 40 80 f6 80 45 31 d2 31 d2 4c 89 ff b8 ca 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 71 44 89 cf e8 f9 3d 00 00 31 f6 4c 89 f7 e8 Sep 5 21:25:32 BelliashPC kernel: RSP: 002b:00007fa4d7c5eac0 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca Sep 5 21:25:32 BelliashPC kernel: RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa4e76c7067 Sep 5 21:25:32 BelliashPC kernel: RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fa4d675aa38 Sep 5 21:25:32 BelliashPC kernel: RBP: 0000000000000000 R08: 00007fa4d675a9e0 R09: 0000000000000000 Sep 5 21:25:32 BelliashPC kernel: R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa4d675aa10 Sep 5 21:25:32 BelliashPC kernel: R13: 00007fa4d675a9e0 R14: 00007fa4d7c5eaf0 R15: 00007fa4d675aa38