watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kworker/0:5:5832]
Modules linked in:
irq event stamp: 50404298
hardirqs last  enabled at (50404297): [<ffffffff83e35d08>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
hardirqs last  enabled at (50404297): [<ffffffff83e35d08>] _raw_spin_unlock_irqrestore+0x38/0x40 kernel/locking/spinlock.c:191
hardirqs last disabled at (50404298): [<ffffffff83e1b07b>] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1095
softirqs last  enabled at (495988): [<ffffffff84001002>] asm_call_irq_on_stack+0x12/0x20
softirqs last disabled at (495913): [<ffffffff84001002>] asm_call_irq_on_stack+0x12/0x20
CPU: 0 PID: 5832 Comm: kworker/0:5 Not tainted 5.10.167 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Workqueue: events rtc_timer_do_work
RIP: 0010:__preempt_count_sub arch/x86/include/asm/preempt.h:84 [inline]
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x25/0x40 kernel/locking/spinlock.c:191
Code: 3c 00 0f 1f 00 55 48 89 fd 48 83 c7 18 53 48 89 f3 48 8b 74 24 10 e8 7a a1 43 fd 48 89 ef e8 52 5b 44 fd f6 c7 02 75 10 53 9d <65> ff 0d 44 12 1f 7c 5b 5d e9 fd e2 3c 00 e8 d8 35 63 fd eb e9 66
RSP: 0018:ffff8880182cfa78 EFLAGS: 00000246
RAX: 0000000003011bc9 RBX: 0000000000000246 RCX: 1ffffffff0cf6e62
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff83e35d08
RBP: ffff88800f5da690 R08: 0000000000000001 R09: ffffffff8679972f
R10: fffffbfff0cf32e5 R11: 0000000000000001 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000246
FS:  0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe318fb9d68 CR3: 000000004486c000 CR4: 0000000000350ef0
Call Trace:
 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline]
 __wake_up_common_lock+0xde/0x140 kernel/sched/wait.c:125
 rtc_handle_legacy_irq drivers/rtc/interface.c:629 [inline]
 rtc_uie_update_irq+0x74/0xa0 drivers/rtc/interface.c:652
 rtc_timer_do_work+0x282/0xe00 drivers/rtc/interface.c:927
 process_one_work+0x9a9/0x1590 kernel/workqueue.c:2279
 worker_thread+0x61d/0x1310 kernel/workqueue.c:2425
 kthread+0x38f/0x470 kernel/kthread.c:313
 ret_from_fork+0x22/0x30 arch/x86/entry/entry_64.S:299
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:60 [inline]
NMI backtrace for cpu 1 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:103 [inline]
NMI backtrace for cpu 1 skipped: idling at default_idle+0xe/0x20 arch/x86/kernel/process.c:706
hpet: Lost 1 RTC interrupts
----------------
Code disassembly (best guess):
   0:	3c 00                	cmp    $0x0,%al
   2:	0f 1f 00             	nopl   (%rax)
   5:	55                   	push   %rbp
   6:	48 89 fd             	mov    %rdi,%rbp
   9:	48 83 c7 18          	add    $0x18,%rdi
   d:	53                   	push   %rbx
   e:	48 89 f3             	mov    %rsi,%rbx
  11:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
  16:	e8 7a a1 43 fd       	callq  0xfd43a195
  1b:	48 89 ef             	mov    %rbp,%rdi
  1e:	e8 52 5b 44 fd       	callq  0xfd445b75
  23:	f6 c7 02             	test   $0x2,%bh
  26:	75 10                	jne    0x38
  28:	53                   	push   %rbx
  29:	9d                   	popfq
* 2a:	65 ff 0d 44 12 1f 7c 	decl   %gs:0x7c1f1244(%rip)        # 0x7c1f1275 <-- trapping instruction
  31:	5b                   	pop    %rbx
  32:	5d                   	pop    %rbp
  33:	e9 fd e2 3c 00       	jmpq   0x3ce335
  38:	e8 d8 35 63 fd       	callq  0xfd633615
  3d:	eb e9                	jmp    0x28
  3f:	66                   	data16