EXT4-fs (loop6): mounted filesystem without journal. Opts: ,errors=continue watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kworker/0:1:12] Modules linked in: irq event stamp: 44586190 hardirqs last enabled at (44586189): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (44586189): [] _raw_spin_unlock_irqrestore+0x38/0x40 kernel/locking/spinlock.c:191 hardirqs last disabled at (44586190): [] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1094 softirqs last enabled at (432504): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (432415): [] asm_call_irq_on_stack+0x12/0x20 CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.10.186 #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: 3b 00 0f 1f 00 55 48 89 fd 48 83 c7 18 53 48 89 f3 48 8b 74 24 10 e8 ba e4 41 fd 48 89 ef e8 82 9e 42 fd f6 c7 02 75 10 53 9d <65> ff 0d 34 50 1d 7c 5b 5d e9 2d 20 3b 00 e8 88 9a 61 fd eb e9 66 RSP: 0018:ffff888008967b58 EFLAGS: 00000293 RAX: 0000000002a854cd RBX: 0000000000000293 RCX: 1ffffffff0d0f662 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff83e51f18 RBP: ffff888009a96650 R08: 0000000000000001 R09: ffffffff8685d72f R10: fffffbfff0d0bae5 R11: 0000000000000001 R12: ffff888009a96740 R13: 19ebbf4b289c8000 R14: ffffffff82e722a0 R15: ffff888009a967c8 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffcaf93fc28 CR3: 0000000004e26000 CR4: 0000000000350ef0 Call Trace: spin_unlock_irqrestore include/linux/spinlock.h:409 [inline] rtc_handle_legacy_irq drivers/rtc/interface.c:627 [inline] rtc_uie_update_irq+0x5c/0xa0 drivers/rtc/interface.c:652 rtc_timer_do_work+0x282/0xbd0 drivers/rtc/interface.c:927 process_one_work+0x9a9/0x14b0 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 3 RTC interrupts ---------------- Code disassembly (best guess): 0: 3b 00 cmp (%rax),%eax 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 ba e4 41 fd callq 0xfd41e4d5 1b: 48 89 ef mov %rbp,%rdi 1e: e8 82 9e 42 fd callq 0xfd429ea5 23: f6 c7 02 test $0x2,%bh 26: 75 10 jne 0x38 28: 53 push %rbx 29: 9d popfq * 2a: 65 ff 0d 34 50 1d 7c decl %gs:0x7c1d5034(%rip) # 0x7c1d5065 <-- trapping instruction 31: 5b pop %rbx 32: 5d pop %rbp 33: e9 2d 20 3b 00 jmpq 0x3b2065 38: e8 88 9a 61 fd callq 0xfd619ac5 3d: eb e9 jmp 0x28 3f: 66 data16