====================================== | [ 21.700732][ C3] common_startup_64 (arch/x86/kernel/head_64.S:421) | [ 21.700865][ C3] | [ 21.700932][ C3] | [ 21.700932][ C3] stack backtrace: [ 21.701370][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 21.701751][ C3] Call Trace: [ 21.701853][ C3] [ 21.701925][ C3] dump_stack_lvl (lib/dump_stack.c:117) [ 21.702065][ C3] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) [ 21.702234][ C3] ? kernel_text_address (kernel/extable.c:99) [ 21.702370][ C3] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) [ 21.702536][ C3] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 21.702672][ C3] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 21.702809][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) [ 21.702943][ C3] mark_lock_irq (kernel/locking/lockdep.c:4244) [ 21.703154][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:421) [ 21.703363][ C3] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207) [ 21.703499][ C3] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 21.703641][ C3] ? save_trace (kernel/locking/lockdep.c:586) [ 21.703783][ C3] mark_lock (kernel/locking/lockdep.c:4678) [ 21.703962][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 21.704104][ C3] mark_usage (kernel/locking/lockdep.c:4567) [ 21.704210][ C3] __lock_acquire (kernel/locking/lockdep.c:5091) [ 21.704346][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 21.704563][ C3] ? rt6_uncached_list_del (./include/linux/list.h:111 ./include/linux/list.h:215 ./include/linux/list.h:287 net/ipv6/route.c:155) [ 21.704700][ C3] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:960) [ 21.704871][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 21.705008][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 21.705164][ C3] ? rt6_uncached_list_del (./include/linux/list.h:111 ./include/linux/list.h:215 ./include/linux/list.h:287 net/ipv6/route.c:155) [ 21.705312][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 21.705446][ C3] ? rt6_uncached_list_del (./include/linux/list.h:111 ./include/linux/list.h:215 ./include/linux/list.h:287 net/ipv6/route.c:155) [ 21.705576][ C3] _raw_spin_lock_bh (./include/linux/spinlock_api_smp.h:127 kernel/locking/spinlock.c:178) [ 21.705712][ C3] ? rt6_uncached_list_del (./include/linux/list.h:111 ./include/linux/list.h:215 ./include/linux/list.h:287 net/ipv6/route.c:155) [ 21.705924][ C3] rt6_uncached_list_del (./include/linux/list.h:111 ./include/linux/list.h:215 ./include/linux/list.h:287 net/ipv6/route.c:155) [ 21.706061][ C3] ip6_dst_destroy (net/ipv6/route.c:364) [ 21.706198][ C3] dst_destroy (net/core/dst.c:116) [ 21.706301][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2196) [ 21.706524][ C3] rcu_do_batch (kernel/rcu/tree.c:2196) [ 21.706660][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 21.706794][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2120) [ 21.706930][ C3] rcu_core (kernel/rcu/tree.c:2473) [ 21.707036][ C3] __do_softirq (kernel/softirq.c:554) [ 21.707180][ C3] irq_exit_rcu (kernel/softirq.c:428 kernel/softirq.c:633 kernel/softirq.c:645) [ 21.707280][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 21.707412][ C3] [ 21.707481][ C3] [ 21.707552][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 21.707728][ C3] RIP: 0010:default_idle (./arch/x86/include/asm/irqflags.h:37 ./arch/x86/include/asm/irqflags.h:72 arch/x86/kernel/process.c:743) [ 21.707869][ C3] 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 d3 eb 32 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 d3 eb 32 00 verw 0x32ebd3(%rip) # 0x32ebfb 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 [ 21.708514][ C3] RSP: 0018:ffffc9000016fdf8 EFLAGS: 00000246 [ 21.708693][ C3] RAX: 0000000000045abd RBX: 1ffff9200002dfc1 RCX: ffffffff9f332ea5 [ 21.708901][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9caac1d4 [ 21.709262][ C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1005ef709c [ 21.709471][ C3] R10: ffff88802f7b84e3 R11: 1ffff110003ac34c R12: 0000000000000000 [ 21.709670][ C3] R13: ffff888001b98040 R14: dffffc0000000000 R15: 0000000000000000 [ 21.709873][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:147) [ 21.710005][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:192) [ 21.710147][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 21.710364][ C3] cpuidle_idle_call (kernel/sched/idle.c:192) [ 21.710498][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) [ 21.710633][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) [ 21.710867][ C3] do_idle (kernel/sched/idle.c:332) [ 21.710971][ C3] cpu_startup_entry (kernel/sched/idle.c:429 (discriminator 1)) [ 21.711103][ C3] start_secondary (arch/x86/kernel/smpboot.c:201 arch/x86/kernel/smpboot.c:281) [ 21.711237][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:231) Finger prints: common_startup_64:dump_stack_lvl:mark_lock_irq:mark_lock