[  396.252891][    C1] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:623
[  396.253080][    C1] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/1
[  396.253212][    C1] preempt_count: 101, expected: 0
[  396.253291][    C1] RCU nest depth: 0, expected: 0
[  396.253367][    C1] INFO: lockdep is turned off.
[  396.253445][    C1] Preemption disabled at:
[  396.253446][    C1] [<0000000000000000>] 0x0
[  396.253583][    C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) 
[  396.253586][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  396.253588][    C1] Call Trace:
[  396.253590][    C1]  <IRQ>
[  396.253591][    C1]  dump_stack_lvl+0x6f/0xa0
[  396.253599][    C1]  __might_resched.cold+0x20d/0x2d6
[  396.253602][    C1]  ? default_idle_call+0x6e/0xb0
[  396.253606][    C1]  ? perf_trace_sched_switch+0x7d0/0x7d0
[  396.253610][    C1]  ? start_secondary+0x204/0x2b0
[  396.253613][    C1]  __mutex_lock+0x118/0x2010
[  396.253615][    C1]  ? __tcf_chain_put+0x5f/0xb20
[  396.253619][    C1]  ? ww_mutex_lock+0x160/0x160
[  396.253622][    C1]  ? __tcf_chain_put+0x5f/0xb20
[  396.253624][    C1]  __tcf_chain_put+0x5f/0xb20
[  396.253626][    C1]  ? free_percpu.part.0+0x5f7/0xc80
[  396.253629][    C1]  tcf_action_rcu_free+0x14f/0x1a0
[  396.253631][    C1]  ? rcu_do_batch+0x2b4/0x1020
[  396.253634][    C1]  rcu_do_batch+0x2b6/0x1020
[  396.253637][    C1]  ? trace_rcu_batch_end+0x330/0x330
[  396.253639][    C1]  ? rcu_is_watching+0x15/0xd0
[  396.253641][    C1]  ? trace_irq_enable.constprop.0+0x9b/0x180
[  396.253644][    C1]  ? trace_irq_disable.constprop.0+0x9b/0x180
[  396.253650][    C1]  rcu_core+0x2bf/0x640
[  396.253652][    C1]  handle_softirqs+0x1d8/0x940
[  396.253654][    C1]  ? clockevents_tick_resume+0x60/0x60
[  396.253657][    C1]  ? _local_bh_enable+0xd0/0xd0
[  396.253658][    C1]  ? rcu_is_watching+0x15/0xd0
[  396.253660][    C1]  ? lock_release+0x17c/0x1f0
[  396.253663][    C1]  __irq_exit_rcu+0x103/0x1c0
[  396.253664][    C1]  irq_exit_rcu+0xe/0x30
[  396.253666][    C1]  sysvec_apic_timer_interrupt+0x9d/0xe0
[  396.253668][    C1]  </IRQ>
[  396.253668][    C1]  <TASK>
[  396.253669][    C1]  ? rcu_is_watching+0x15/0xd0
[  396.253670][    C1]  asm_sysvec_apic_timer_interrupt+0x1a/0x20
[  396.253673][    C1] RIP: 0010:pv_native_safe_halt+0xf/0x10
[  396.253675][    C1] Code: 48 8b 3d 44 d3 00 02 e8 1f 00 00 00 48 2b 05 c8 71 a3 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 43 f4 22 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
[  396.253677][    C1] RSP: 0018:ffa0000000147de8 EFLAGS: 00000246
[  396.253680][    C1] RAX: 0000000000000001 RBX: ff11000001bb2340 RCX: 0000000000000001
[  396.253681][    C1] RDX: 0000000000000001 RSI: ffffffff85a6f640 RDI: ffffffff832d9667
[  396.253682][    C1] RBP: 0000000000000000 R08: ffffffff856694f1 R09: 1fe2200006a5639a
[  396.253683][    C1] R10: 0000000000000001 R11: 0000000000000000 R12: 1ff4000000028fc0
[  396.253684][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[  396.253685][    C1]  ? ct_kernel_exit.constprop.0+0x101/0x160
[  396.253687][    C1]  ? cpuidle_idle_call.constprop.0+0x237/0x410
[  396.253691][    C1]  default_idle+0x9/0x10
[  396.253692][    C1]  default_idle_call+0x6e/0xb0
[  396.253694][    C1]  cpuidle_idle_call.constprop.0+0x237/0x410
[  396.253695][    C1]  ? arch_cpu_idle_exit+0x40/0x40
[  396.253697][    C1]  ? mark_tsc_async_resets+0x30/0x30
[  396.253699][    C1]  ? rcu_is_watching+0x15/0xd0
[  396.253700][    C1]  do_idle+0xf5/0x160
[  396.253702][    C1]  cpu_startup_entry+0x53/0x70
[  396.253703][    C1]  start_secondary+0x204/0x2b0
[  396.253705][    C1]  ? set_cpu_sibling_map+0x1fb0/0x1fb0
[  396.253707][    C1]  common_startup_64+0x13e/0x148
[  396.253711][    C1]  </TASK>