[ 2535.984084] rcu: INFO: rcu_sched self-detected stall on CPU
[ 2535.984165] rcu:     9-....: (15235 ticks this GP) idle=2c2/1/0x4000000000000002 softirq=24298/24302 fqs=7499
[ 2535.984263]  (t=15000 jiffies g=45757 q=493)
[ 2535.984265] NMI backtrace for cpu 9
[ 2535.984269] CPU: 9 PID: 10079 Comm: btrfs Tainted: G           O      5.5.5 #1
[ 2535.984270] Hardware name: System manufacturer System Product Name/PRIME X370-PRO, BIOS 4011 04/19/2018
[ 2535.984271] Call Trace:
[ 2535.984274]  <IRQ>
[ 2535.984280]  dump_stack+0x50/0x70
[ 2535.984284]  nmi_cpu_backtrace.cold+0x14/0x53
[ 2535.984289]  ? lapic_can_unplug_cpu.cold+0x39/0x39
[ 2535.984291]  nmi_trigger_cpumask_backtrace+0x7b/0x88
[ 2535.984295]  rcu_dump_cpu_stacks+0x7b/0xa9
[ 2535.984298]  rcu_sched_clock_irq.cold+0x152/0x392
[ 2535.984300]  update_process_times+0x1f/0x50
[ 2535.984304]  tick_sched_timer+0x40/0x90
[ 2535.984306]  ? tick_sched_do_timer+0x50/0x50
[ 2535.984309]  __hrtimer_run_queues+0xe0/0x180
[ 2535.984311]  hrtimer_interrupt+0x108/0x230
[ 2535.984314]  smp_apic_timer_interrupt+0x61/0xa0
[ 2535.984317]  apic_timer_interrupt+0xf/0x20
[ 2535.984318]  </IRQ>
[ 2535.984322] RIP: 0010:mutex_lock+0x10/0x20
[ 2535.984325] Code: 66 2e 0f 1f 84 00 00 00 00 00 be 02 00 00 00 e9 06 fb ff ff 66 0f 1f 44 00 00 31 c0 65 48 8b 14 25 c0 34 01 00 f0 48 0f b1 17 <74> 02 eb dc f3 c3 66 2e 0f 1f 84 00 00 00 00 00 48 83 ec 10 4c 89
[ 2535.984327] RSP: 0018:ffffc90000557e70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[ 2535.984329] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000000
[ 2535.984330] RDX: ffff888345ee8000 RSI: ffff8882c401e0c0 RDI: ffff8882c401e0c0
[ 2535.984331] RBP: ffff888307b14000 R08: ffff888307b14000 R09: ffff888345ee8000
[ 2535.984332] R10: 000000000000000f R11: ffff888307b22200 R12: 0000000000010000
[ 2535.984333] R13: 000000000093722f R14: ffff888307b14000 R15: ffff8882c401e0c0
[ 2535.984338]  pipe_double_lock+0x65/0x70
[ 2535.984342]  do_splice+0xf1/0x630
[ 2535.984345]  __x64_sys_splice+0x12a/0x150
[ 2535.984348]  do_syscall_64+0x43/0x130
[ 2535.984351]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 2535.984353] RIP: 0033:0x7fcfcf72d6eb
[ 2535.984355] Code: e8 8a cd 00 00 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 4c 8b 54 24 18 8b 54 24 28 b8 13 01 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 31 89 ef 48 89 44 24 08 e8 b1 cd 00 00 48 8b
[ 2535.984357] RSP: 002b:00007fcfcf62ed20 EFLAGS: 00000293 ORIG_RAX: 0000000000000113
[ 2535.984358] RAX: ffffffffffffffda RBX: 00007fff54140a88 RCX: 00007fcfcf72d6eb
[ 2535.984359] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000005
[ 2535.984360] RBP: 0000000000000000 R08: 0000000000010000 R09: 0000000000000004
[ 2535.984361] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fff5414099e
[ 2535.984362] R13: 00007fff5414099f R14: 00007fcfcf62f700 R15: 00007fcfcf62ee40