[  863.753451][    C1] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:623
[  863.753655][    C1] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/1
[  863.753795][    C1] preempt_count: 101, expected: 0
[  863.753875][    C1] RCU nest depth: 0, expected: 0
[  863.753953][    C1] INFO: lockdep is turned off.
[  863.754036][    C1] Preemption disabled at:
[  863.754037][    C1] [<0000000000000000>] 0x0
[  863.754189][    C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) 
[  863.754192][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  863.754194][    C1] Call Trace:
[  863.754196][    C1]  <IRQ>
[  863.754198][    C1]  dump_stack_lvl+0x6f/0xa0
[  863.754205][    C1]  __might_resched.cold+0x20d/0x2d6
[  863.754209][    C1]  ? default_idle_call+0x6e/0xb0
[  863.754213][    C1]  ? perf_trace_sched_switch+0x7d0/0x7d0
[  863.754217][    C1]  ? start_secondary+0x204/0x2b0
[  863.754220][    C1]  __mutex_lock+0x118/0x2010
[  863.754222][    C1]  ? __tcf_chain_put+0x5f/0xb20
[  863.754226][    C1]  ? ww_mutex_lock+0x160/0x160
[  863.754229][    C1]  ? __tcf_chain_put+0x5f/0xb20
[  863.754231][    C1]  __tcf_chain_put+0x5f/0xb20
[  863.754233][    C1]  ? free_percpu.part.0+0x5f7/0xc80
[  863.754237][    C1]  tcf_action_rcu_free+0x14f/0x1a0
[  863.754238][    C1]  ? rcu_do_batch+0x2b4/0x1020
[  863.754242][    C1]  rcu_do_batch+0x2b6/0x1020
[  863.754244][    C1]  ? trace_rcu_batch_end+0x330/0x330
[  863.754246][    C1]  ? rcu_is_watching+0x15/0xd0
[  863.754248][    C1]  ? trace_irq_enable.constprop.0+0x9b/0x180
[  863.754251][    C1]  ? trace_irq_disable.constprop.0+0x9b/0x180
[  863.754253][    C1]  rcu_core+0x2bf/0x640
[  863.754255][    C1]  handle_softirqs+0x1d8/0x940
[  863.754258][    C1]  ? clockevents_tick_resume+0x60/0x60
[  863.754261][    C1]  ? _local_bh_enable+0xd0/0xd0
[  863.754262][    C1]  ? rcu_is_watching+0x15/0xd0
[  863.754264][    C1]  ? lock_release+0x17c/0x1f0
[  863.754266][    C1]  __irq_exit_rcu+0x103/0x1c0
[  863.754268][    C1]  irq_exit_rcu+0xe/0x30
[  863.754269][    C1]  sysvec_apic_timer_interrupt+0x9d/0xe0
[  863.754271][    C1]  </IRQ>
[  863.754272][    C1]  <TASK>
[  863.754273][    C1]  ? rcu_is_watching+0x15/0xd0
[  863.754274][    C1]  asm_sysvec_apic_timer_interrupt+0x1a/0x20
[  863.754277][    C1] RIP: 0010:pv_native_safe_halt+0xf/0x10
[  863.754279][    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
[  863.754281][    C1] RSP: 0018:ffa0000000147de8 EFLAGS: 00000246
[  863.754285][    C1] RAX: 0000000000000001 RBX: ff11000001bb2340 RCX: 0000000000000001
[  863.754286][    C1] RDX: 0000000000000001 RSI: ffffffffb086f640 RDI: ffffffffae0d9667
[  863.754287][    C1] RBP: 0000000000000000 R08: ffffffffb04694f1 R09: 1fe2200006a5639a
[  863.754288][    C1] R10: 0000000000000001 R11: 0000000000000000 R12: 1ff4000000028fc0
[  863.754288][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[  863.754290][    C1]  ? ct_kernel_exit.constprop.0+0x101/0x160
[  863.754292][    C1]  ? cpuidle_idle_call.constprop.0+0x237/0x410
[  863.754295][    C1]  default_idle+0x9/0x10
[  863.754297][    C1]  default_idle_call+0x6e/0xb0
[  863.754299][    C1]  cpuidle_idle_call.constprop.0+0x237/0x410
[  863.754300][    C1]  ? arch_cpu_idle_exit+0x40/0x40
[  863.754302][    C1]  ? mark_tsc_async_resets+0x30/0x30
[  863.754304][    C1]  ? flush_smp_call_function_queue+0xec/0x160
[  863.754306][    C1]  ? rcu_is_watching+0x15/0xd0
[  863.754307][    C1]  do_idle+0xf5/0x160
[  863.754309][    C1]  cpu_startup_entry+0x53/0x70
[  863.754311][    C1]  start_secondary+0x204/0x2b0
[  863.754312][    C1]  ? set_cpu_sibling_map+0x1fb0/0x1fb0
[  863.754314][    C1]  common_startup_64+0x13e/0x148
[  863.754318][    C1]  </TASK>