====================================== | [ 30.037151][ C1] common_startup_64 (arch/x86/kernel/head_64.S:421) | [ 30.037288][ C1] | [ 30.037356][ C1] | [ 30.037356][ C1] stack backtrace: [ 30.037796][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 30.038179][ C1] Call Trace: [ 30.038290][ C1] <IRQ> [ 30.038362][ C1] dump_stack_lvl (lib/dump_stack.c:117) [ 30.038502][ C1] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) [ 30.038669][ C1] ? kernel_text_address (kernel/extable.c:99) [ 30.038891][ C1] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) [ 30.039059][ C1] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 30.039193][ C1] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 30.039332][ C1] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) [ 30.039554][ C1] mark_lock_irq (kernel/locking/lockdep.c:4244) [ 30.039690][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:421) [ 30.039826][ C1] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207) [ 30.039963][ C1] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 30.040176][ C1] ? save_trace (kernel/locking/lockdep.c:586) [ 30.040316][ C1] mark_lock (kernel/locking/lockdep.c:4678) [ 30.040419][ C1] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 30.040554][ C1] mark_usage (kernel/locking/lockdep.c:4567) [ 30.040656][ C1] __lock_acquire (kernel/locking/lockdep.c:5091) [ 30.040878][ C1] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 30.041013][ C1] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) [ 30.041148][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 30.041282][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) [ 30.041504][ C1] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 30.041640][ C1] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 30.041779][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) [ 30.041913][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 30.042049][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) [ 30.042340][ C1] _raw_write_lock (./include/linux/rwlock_api_smp.h:210 kernel/locking/spinlock.c:300) [ 30.042472][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) [ 30.042607][ C1] addrconf_rs_timer (net/ipv6/addrconf.c:4023) [ 30.042746][ C1] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 30.042958][ C1] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) [ 30.043105][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) [ 30.043248][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 30.043383][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) [ 30.043599][ C1] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) [ 30.043735][ C1] call_timer_fn (kernel/time/timer.c:1793) [ 30.043870][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) [ 30.044004][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) [ 30.044214][ C1] ? __pfx_call_timer_fn (kernel/time/timer.c:1770) [ 30.044349][ C1] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 30.044454][ C1] __run_timers (kernel/time/timer.c:1845 kernel/time/timer.c:2418) [ 30.044591][ C1] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) [ 30.044731][ C1] ? __pfx___run_timers (kernel/time/timer.c:2389) [ 30.044944][ C1] ? __lock_release (kernel/locking/lockdep.c:5430) [ 30.045078][ C1] ? 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) [ 30.045211][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 30.045346][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 30.045560][ C1] ? timer_expire_remote (kernel/time/timer.c:2429 kernel/time/timer.c:2422 kernel/time/timer.c:2181) [ 30.045696][ C1] timer_expire_remote (kernel/time/timer.c:2430 kernel/time/timer.c:2422 kernel/time/timer.c:2181) [ 30.045840][ C1] tmigr_handle_remote_cpu (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:67 ./arch/x86/include/asm/irqflags.h:127 kernel/time/timer_migration.c:925) [ 30.045976][ C1] ? __pfx_tmigr_handle_remote_cpu (kernel/time/timer_migration.c:869) [ 30.046225][ C1] tmigr_handle_remote_up (kernel/time/timer_migration.c:1003) [ 30.046362][ C1] tmigr_handle_remote (kernel/time/timer_migration.c:488 kernel/time/timer_migration.c:1061) [ 30.046498][ C1] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1026) [ 30.046636][ C1] __do_softirq (kernel/softirq.c:554) [ 30.046851][ C1] irq_exit_rcu (kernel/softirq.c:428 kernel/softirq.c:633 kernel/softirq.c:645) [ 30.046955][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 30.047103][ C1] </IRQ> [ 30.047172][ C1] <TASK> [ 30.047239][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 30.047406][ C1] RIP: 0010:default_idle (./arch/x86/include/asm/irqflags.h:37 ./arch/x86/include/asm/irqflags.h:72 arch/x86/kernel/process.c:743) [ 30.047637][ C1] 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 <fa> 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 [ 30.048196][ C1] RSP: 0018:ffffc9000014fdf8 EFLAGS: 00000246 [ 30.048365][ C1] RAX: 000000000006042d RBX: 1ffff92000029fc1 RCX: ffffffffb45822c5 [ 30.048567][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb1eaa4a4 [ 30.048848][ C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c1709c [ 30.049049][ C1] R10: ffff8880360b84e3 R11: ffff8880360ad9b0 R12: 0000000000000000 [ 30.049253][ C1] R13: ffff888001b82300 R14: dffffc0000000000 R15: 0000000000000000 [ 30.049539][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:147) [ 30.049671][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:192) [ 30.049804][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 30.049939][ C1] cpuidle_idle_call (kernel/sched/idle.c:192) [ 30.050149][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) [ 30.050283][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) [ 30.050420][ C1] do_idle (kernel/sched/idle.c:332) [ 30.050522][ C1] cpu_startup_entry (kernel/sched/idle.c:429 (discriminator 1)) [ 30.050657][ C1] start_secondary (arch/x86/kernel/smpboot.c:201 arch/x86/kernel/smpboot.c:281) [ 30.050870][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:231) Finger prints: common_startup_64:dump_stack_lvl:mark_lock_irq:mark_lock