====================================== | [ 32.595073][ C0] common_startup_64 (arch/x86/kernel/head_64.S:421) | [ 32.595240][ C0] | [ 32.595319][ C0] | [ 32.595319][ C0] stack backtrace: [ 32.595827][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 32.596176][ C0] Call Trace: [ 32.596486][ C0] [ 32.596567][ C0] dump_stack_lvl (lib/dump_stack.c:117) [ 32.596729][ C0] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) [ 32.596922][ C0] ? kernel_text_address (kernel/extable.c:99) [ 32.597081][ C0] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) [ 32.597276][ C0] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 32.597433][ C0] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 32.597589][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) [ 32.597748][ C0] mark_lock_irq (kernel/locking/lockdep.c:4244) [ 32.597906][ C0] ? common_startup_64 (arch/x86/kernel/head_64.S:421) [ 32.598066][ C0] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207) [ 32.598222][ C0] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 32.598383][ C0] ? save_trace (kernel/locking/lockdep.c:586) [ 32.598543][ C0] mark_lock (kernel/locking/lockdep.c:4678) [ 32.598661][ C0] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 32.598821][ C0] mark_usage (kernel/locking/lockdep.c:4567) [ 32.598940][ C0] __lock_acquire (kernel/locking/lockdep.c:5091) [ 32.599186][ C0] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 32.599347][ C0] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) [ 32.599503][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 32.599660][ C0] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) [ 32.599817][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 32.600060][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 32.600216][ C0] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) [ 32.600369][ C0] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 32.600524][ C0] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) [ 32.600769][ C0] _raw_write_lock (./include/linux/rwlock_api_smp.h:210 kernel/locking/spinlock.c:300) [ 32.600927][ C0] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) [ 32.601087][ C0] addrconf_rs_timer (net/ipv6/addrconf.c:4023) [ 32.601241][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 32.601487][ C0] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) [ 32.601643][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) [ 32.601798][ C0] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 32.601954][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) [ 32.602198][ C0] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) [ 32.602356][ C0] call_timer_fn (kernel/time/timer.c:1793) [ 32.602518][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) [ 32.602677][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) [ 32.602835][ C0] ? __pfx_call_timer_fn (kernel/time/timer.c:1770) [ 32.603082][ C0] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 32.603205][ C0] __run_timers (kernel/time/timer.c:1845 kernel/time/timer.c:2418) [ 32.603363][ C0] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) [ 32.603526][ C0] ? __pfx___run_timers (kernel/time/timer.c:2389) [ 32.603772][ 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) [ 32.603931][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 32.604089][ C0] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 32.604245][ C0] ? run_timer_softirq (kernel/time/timer.c:2429 kernel/time/timer.c:2422 kernel/time/timer.c:2438 kernel/time/timer.c:2448) [ 32.604492][ C0] run_timer_softirq (kernel/time/timer.c:2430 kernel/time/timer.c:2422 kernel/time/timer.c:2438 kernel/time/timer.c:2448) [ 32.604649][ C0] __do_softirq (kernel/softirq.c:554) [ 32.604807][ C0] irq_exit_rcu (kernel/softirq.c:428 kernel/softirq.c:633 kernel/softirq.c:645) [ 32.604927][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 32.605084][ C0] [ 32.605251][ C0] [ 32.605330][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 32.605529][ 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) [ 32.605692][ 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 c3 d1 2b 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 c3 d1 2b 00 verw 0x2bd1c3(%rip) # 0x2bd1eb 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 [ 32.606338][ C0] RSP: 0018:ffffffff8c007e00 EFLAGS: 00000242 [ 32.606537][ C0] RAX: 00000000000ab219 RBX: 1ffffffff1800fc2 RCX: ffffffff8b1a48b5 [ 32.606866][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff88aaa4a4 [ 32.607117][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c0709c [ 32.607351][ C0] R10: ffff8880360384e3 R11: 1ffff110003a910c R12: 0000000000000000 [ 32.607687][ C0] R13: ffffffff8c041000 R14: dffffc0000000000 R15: 0000000000014770 [ 32.607928][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:147) [ 32.608092][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:192) [ 32.608245][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 32.608490][ C0] cpuidle_idle_call (kernel/sched/idle.c:192) [ 32.608647][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) [ 32.608805][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) [ 32.608964][ C0] do_idle (kernel/sched/idle.c:332) [ 32.609084][ C0] cpu_startup_entry (kernel/sched/idle.c:429 (discriminator 1)) [ 32.609352][ C0] rest_init (./include/linux/rcupdate.h:782 init/main.c:703) [ 32.609475][ C0] start_kernel (init/main.c:1024 (discriminator 1)) [ 32.609635][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:495) [ 32.609791][ 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