======================================
| [ 43.346047][ C0] common_startup_64 (arch/x86/kernel/head_64.S:421)
| [ 43.346209][ C0]
| [ 43.346287][ C0]
| [ 43.346287][ C0] stack backtrace:
[ 43.346802][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 43.347144][ C0] Call Trace:
[ 43.347273][ C0]
[ 43.347439][ C0] dump_stack_lvl (lib/dump_stack.c:117)
[ 43.347601][ C0] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024)
[ 43.347804][ C0] ? common_startup_64 (arch/x86/kernel/head_64.S:421)
[ 43.347980][ C0] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024)
[ 43.348277][ C0] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264)
[ 43.348444][ C0] ? __pfx_usage_match (kernel/locking/lockdep.c:2256)
[ 43.348614][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24)
[ 43.348780][ C0] mark_lock_irq (kernel/locking/lockdep.c:4244)
[ 43.349035][ C0] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207)
[ 43.349227][ C0] ? stack_trace_save (kernel/stacktrace.c:123)
[ 43.349382][ C0] ? add_chain_cache (kernel/locking/lockdep.c:3730)
[ 43.349564][ C0] ? save_trace (kernel/locking/lockdep.c:586)
[ 43.349732][ C0] mark_lock (kernel/locking/lockdep.c:4678)
[ 43.349957][ C0] mark_usage (kernel/locking/lockdep.c:4567)
[ 43.350105][ C0] __lock_acquire (kernel/locking/lockdep.c:5091)
[ 43.350263][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5137)
[ 43.350433][ C0] ? __pfx_br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:80)
[ 43.350739][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 43.350896][ C0] ? br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:87)
[ 43.351088][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 43.351242][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52))
[ 43.351484][ C0] ? br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:87)
[ 43.351675][ C0] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 43.351827][ C0] ? br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:87)
[ 43.352023][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154)
[ 43.352271][ C0] ? br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:87)
[ 43.352462][ C0] br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:87)
[ 43.352664][ C0] ? __pfx_br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:80)
[ 43.352856][ C0] call_timer_fn (kernel/time/timer.c:1793)
[ 43.353014][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783)
[ 43.353170][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783)
[ 43.353324][ C0] ? __pfx_call_timer_fn (kernel/time/timer.c:1770)
[ 43.353479][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 43.353723][ C0] __run_timers (kernel/time/timer.c:1845 kernel/time/timer.c:2418)
[ 43.353879][ C0] ? __pfx_br_forward_delay_timer_expired (net/bridge/br_stp_timer.c:80)
[ 43.354074][ C0] ? __pfx___run_timers (kernel/time/timer.c:2389)
[ 43.354230][ C0] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:115 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[ 43.354470][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 43.354624][ C0] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 43.354777][ C0] ? run_timer_softirq (kernel/time/timer.c:2429 kernel/time/timer.c:2422 kernel/time/timer.c:2438 kernel/time/timer.c:2448)
[ 43.354933][ C0] run_timer_softirq (kernel/time/timer.c:2430 kernel/time/timer.c:2422 kernel/time/timer.c:2438 kernel/time/timer.c:2448)
[ 43.355184][ C0] __do_softirq (kernel/softirq.c:554)
[ 43.355341][ C0] irq_exit_rcu (kernel/softirq.c:428 kernel/softirq.c:633 kernel/softirq.c:645)
[ 43.355456][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043)
[ 43.355612][ C0]
[ 43.355692][ C0]
[ 43.355972][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702)
[ 43.356169][ C0] RIP: 0010:default_idle (./arch/x86/include/asm/irqflags.h:37 ./arch/x86/include/asm/irqflags.h:72 arch/x86/kernel/process.c:743)
[ 43.356335][ C0] Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d b3 f7 2d 00 fb f4 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90
All code
========
0: 4c 01 c7 add %r8,%rdi
3: 4c 29 c2 sub %r8,%rdx
6: e9 72 ff ff ff jmp 0xffffffffffffff7d
b: 90 nop
c: 90 nop
d: 90 nop
e: 90 nop
f: 90 nop
10: 90 nop
11: 90 nop
12: 90 nop
13: 90 nop
14: 90 nop
15: 90 nop
16: 90 nop
17: 90 nop
18: 90 nop
19: 90 nop
1a: 90 nop
1b: f3 0f 1e fa endbr64
1f: 66 90 xchg %ax,%ax
21: 0f 00 2d b3 f7 2d 00 verw 0x2df7b3(%rip) # 0x2df7db
28: fb sti
29: f4 hlt
2a:* fa cli <-- trapping instruction
2b: c3 ret
2c: cc int3
2d: cc int3
2e: cc int3
2f: cc int3
30: 66 66 2e 0f 1f 84 00 data16 cs nopw 0x0(%rax,%rax,1)
37: 00 00 00 00
3b: 90 nop
3c: 90 nop
3d: 90 nop
3e: 90 nop
3f: 90 nop
Code starting with the faulting instruction
===========================================
0: fa cli
1: c3 ret
2: cc int3
3: cc int3
4: cc int3
5: cc int3
6: 66 66 2e 0f 1f 84 00 data16 cs nopw 0x0(%rax,%rax,1)
d: 00 00 00 00
11: 90 nop
12: 90 nop
13: 90 nop
14: 90 nop
15: 90 nop
[ 43.356976][ C0] RSP: 0018:ffffffffba207e00 EFLAGS: 00000246
[ 43.357176][ C0] RAX: 00000000000aac47 RBX: 1ffffffff7440fc2 RCX: ffffffffb93822c5
[ 43.357500][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb6caa4a4
[ 43.357733][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c0709c
[ 43.357965][ C0] R10: ffff8880360384e3 R11: ffff88803602d9b0 R12: 0000000000000000
[ 43.358282][ C0] R13: ffffffffba21d000 R14: dffffc0000000000 R15: 0000000000014770
[ 43.358514][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:147)
[ 43.358674][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:192)
[ 43.358829][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118)
[ 43.359071][ C0] cpuidle_idle_call (kernel/sched/idle.c:192)
[ 43.359228][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168)
[ 43.359383][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59)
[ 43.359539][ C0] do_idle (kernel/sched/idle.c:332)
[ 43.359762][ C0] cpu_startup_entry (kernel/sched/idle.c:429 (discriminator 1))
[ 43.359946][ C0] rest_init (./include/linux/rcupdate.h:782 init/main.c:703)
[ 43.360064][ C0] start_kernel (init/main.c:1024 (discriminator 1))
[ 43.360226][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:495)
[ 43.360396][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:437 (discriminator 17))
Finger prints:
common_startup_64:dump_stack_lvl:mark_lock_irq:mark_lock