Attachment 311778 Details for Bug 455337 – Complete INFO spew

Complete INFO spew

messages2.txt (text/plain), 235.87 KB, created by Tom London on 2008-07-14 21:11:59 UTC

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Creator: Tom London

Created: 2008-07-14 21:11:59 UTC

Size: 235.87 KB

patch

obsolete

>
>======================================================
>[ INFO: hard-read-safe -> hard-read-unsafe lock order detected ]
>2.6.26-136.fc10.i686 #1
>------------------------------------------------------
>strace/4454 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire:
> (&utrace->lock){--..}, at: [<c045b904>] get_utrace_lock_attached+0x4a/0x8d
>
>and this task is already holding:
> (tasklist_lock){..??}, at: [<c042db06>] do_exit+0x2f3/0x784
>which would create a new lock dependency:
> (tasklist_lock){..??} -> (&utrace->lock){--..}
>
>but this new dependency connects a hard-read-irq-safe lock:
> (tasklist_lock){..??}
>... which became hard-read-irq-safe at:
>  [<c044822a>] __lock_acquire+0x46f/0xc18
>  [<c0448a3d>] lock_acquire+0x6a/0x90
>  [<c066b722>] _read_lock+0x1c/0x49
>  [<c043cee7>] run_posix_cpu_timers+0x8a/0x767
>  [<c043318e>] update_process_times+0x44/0x49
>  [<c04449f2>] tick_sched_timer+0x6d/0xa5
>  [<c043e610>] __run_hrtimer+0x5d/0x94
>  [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>  [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>  [<c040576b>] apic_timer_interrupt+0x33/0x38
>  [<c043b649>] sys_timer_create+0xb2/0x2cb
>  [<c0404c76>] syscall_call+0x7/0xb
>  [<ffffffff>] 0xffffffff
>
>to a hard-read-irq-unsafe lock:
> (&utrace->lock){--..}
>... which became hard-read-irq-unsafe at:
>...  [<c04482e9>] __lock_acquire+0x52e/0xc18
>  [<c0448a3d>] lock_acquire+0x6a/0x90
>  [<c066b2fa>] _spin_lock+0x1c/0x49
>  [<c045d2df>] utrace_attach+0x33e/0x3ef
>  [<c0431f13>] ptrace_attach_utrace+0x18/0x4f
>  [<c043269f>] ptrace_traceme+0x14/0x12f
>  [<c0432951>] sys_ptrace+0x17/0x82
>  [<c0404c76>] syscall_call+0x7/0xb
>  [<ffffffff>] 0xffffffff
>
>other info that might help us debug this:
>
>2 locks held by strace/4454:
> #0:  (tasklist_lock){..??}, at: [<c042db06>] do_exit+0x2f3/0x784
> #1:  (rcu_read_lock){..--}, at: [<c045b8ba>] get_utrace_lock_attached+0x0/0x8d
>
>the hard-read-irq-safe lock's dependencies:
>-> (tasklist_lock){..??} ops: 0 {
>   initial-use  at:
>                        [<c044831f>] __lock_acquire+0x564/0xc18
>                        [<c0448a3d>] lock_acquire+0x6a/0x90
>                        [<c066b52d>] _write_lock_irq+0x2b/0x58
>                        [<c0429ddf>] copy_process+0xc9c/0x1165
>                        [<c042a367>] do_fork+0xbf/0x1d0
>                        [<c04035f3>] kernel_thread+0x79/0x81
>                        [<c065b128>] rest_init+0x14/0x50
>                        [<c07bd8e7>] start_kernel+0x311/0x316
>                        [<c07bd008>] __init_begin+0x8/0xa
>                        [<ffffffff>] 0xffffffff
>   in-hardirq-R at:
>                        [<c044822a>] __lock_acquire+0x46f/0xc18
>                        [<c0448a3d>] lock_acquire+0x6a/0x90
>                        [<c066b722>] _read_lock+0x1c/0x49
>                        [<c043cee7>] run_posix_cpu_timers+0x8a/0x767
>                        [<c043318e>] update_process_times+0x44/0x49
>                        [<c04449f2>] tick_sched_timer+0x6d/0xa5
>                        [<c043e610>] __run_hrtimer+0x5d/0x94
>                        [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                        [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                        [<c040576b>] apic_timer_interrupt+0x33/0x38
>                        [<c043b649>] sys_timer_create+0xb2/0x2cb
>                        [<c0404c76>] syscall_call+0x7/0xb
>                        [<ffffffff>] 0xffffffff
>   in-softirq-R at:
>                        [<c0448288>] __lock_acquire+0x4cd/0xc18
>                        [<c0448a3d>] lock_acquire+0x6a/0x90
>                        [<c066b722>] _read_lock+0x1c/0x49
>                        [<c04996e2>] send_sigio+0x3d/0x197
>                        [<c049987a>] __kill_fasync+0x3e/0x4d
>                        [<c04998af>] kill_fasync+0x26/0x35
>                        [<c05c4cde>] evdev_pass_event+0x5b/0x61
>                        [<c05c4fa5>] evdev_event+0x4e/0xb5
>                        [<c05c0f4e>] input_pass_event+0x44/0x9d
>                        [<c05c1a91>] input_handle_event+0x355/0x37c
>                        [<c05c219e>] input_event+0x4b/0x61
>                        [<c05e3265>] hidinput_hid_event+0x292/0x2c1
>                        [<c05df61c>] hid_process_event+0x32/0x61
>                        [<c05dfad6>] hid_input_report+0x48b/0x492
>                        [<c05e5b28>] hid_irq_in+0x68/0x129
>                        [<c05b07b6>] usb_hcd_giveback_urb+0x63/0x93
>                        [<f885fd8c>] ehci_urb_done+0xdc/0xeb [ehci_hcd]
>                        [<f8860aab>] qh_completions+0x376/0x3fa [ehci_hcd]
>                        [<f8860db3>] ehci_work+0x284/0x7b7 [ehci_hcd]
>                        [<f8865fe5>] ehci_irq+0x25d/0x2bb [ehci_hcd]
>                        [<c05b041e>] usb_hcd_irq+0x40/0xa4
>                        [<c0466fc0>] handle_IRQ_event+0x1a/0x4f
>                        [<c0467f6a>] handle_fasteoi_irq+0x7d/0xb6
>                        [<c0407077>] do_IRQ+0x98/0xc5
>                        [<ffffffff>] 0xffffffff
>   softirq-on-R at:
>                        [<c044830a>] __lock_acquire+0x54f/0xc18
>                        [<c0448a3d>] lock_acquire+0x6a/0x90
>                        [<c066b722>] _read_lock+0x1c/0x49
>                        [<c043bb88>] kthreadd+0xd1/0x149
>                        [<c040590f>] kernel_thread_helper+0x7/0x10
>                        [<ffffffff>] 0xffffffff
>   hardirq-on-R at:
>                        [<c04482b9>] __lock_acquire+0x4fe/0xc18
>                        [<c0448a3d>] lock_acquire+0x6a/0x90
>                        [<c066b722>] _read_lock+0x1c/0x49
>                        [<c043bb88>] kthreadd+0xd1/0x149
>                        [<c040590f>] kernel_thread_helper+0x7/0x10
>                        [<ffffffff>] 0xffffffff
> }
> ... key      at: [<c07ada10>] tasklist_lock+0x10/0x80
> -> (init_sighand.siglock){....} ops: 0 {
>    initial-use  at:
>                          [<c044831f>] __lock_acquire+0x564/0xc18
>                          [<c0448a3d>] lock_acquire+0x6a/0x90
>                          [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                          [<c0566314>] tty_audit_fork+0x1c/0x57
>                          [<c0429b0c>] copy_process+0x9c9/0x1165
>                          [<c042a367>] do_fork+0xbf/0x1d0
>                          [<c04035f3>] kernel_thread+0x79/0x81
>                          [<c065b128>] rest_init+0x14/0x50
>                          [<c07bd8e7>] start_kernel+0x311/0x316
>                          [<c07bd008>] __init_begin+0x8/0xa
>                          [<ffffffff>] 0xffffffff
>  }
>  ... key      at: [<c077f2ec>] init_sighand+0x514/0x54c
> ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0429e77>] copy_process+0xd34/0x1165
>   [<c042a367>] do_fork+0xbf/0x1d0
>   [<c04035f3>] kernel_thread+0x79/0x81
>   [<c065b128>] rest_init+0x14/0x50
>   [<c07bd8e7>] start_kernel+0x311/0x316
>   [<c07bd008>] __init_begin+0x8/0xa
>   [<ffffffff>] 0xffffffff
>
> -> (&sighand->siglock){++..} ops: 0 {
>    initial-use  at:
>                          [<c044831f>] __lock_acquire+0x564/0xc18
>                          [<c0448a3d>] lock_acquire+0x6a/0x90
>                          [<c066b405>] _spin_lock_irqsave+0x38/0x68
>                          [<c04348c2>] flush_signals+0x17/0x54
>                          [<c0434923>] ignore_signals+0x24/0x26
>                          [<c043badd>] kthreadd+0x26/0x149
>                          [<c040590f>] kernel_thread_helper+0x7/0x10
>                          [<ffffffff>] 0xffffffff
>    in-hardirq-W at:
>                          [<c0448264>] __lock_acquire+0x4a9/0xc18
>                          [<c0448a3d>] lock_acquire+0x6a/0x90
>                          [<c066b2fa>] _spin_lock+0x1c/0x49
>                          [<c043cf09>] run_posix_cpu_timers+0xac/0x767
>                          [<c043318e>] update_process_times+0x44/0x49
>                          [<c04449f2>] tick_sched_timer+0x6d/0xa5
>                          [<c043e610>] __run_hrtimer+0x5d/0x94
>                          [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                          [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                          [<c040576b>] apic_timer_interrupt+0x33/0x38
>                          [<c043b649>] sys_timer_create+0xb2/0x2cb
>                          [<c0404c76>] syscall_call+0x7/0xb
>                          [<ffffffff>] 0xffffffff
>    in-softirq-W at:
>                          [<c0448288>] __lock_acquire+0x4cd/0xc18
>                          [<c0448a3d>] lock_acquire+0x6a/0x90
>                          [<c066b405>] _spin_lock_irqsave+0x38/0x68
>                          [<c04347c2>] lock_task_sighand+0x45/0x7e
>                          [<c043532f>] group_send_sig_info+0x29/0x5c
>                          [<c04353ac>] kill_pid_info+0x4a/0x6f
>                          [<c042e65b>] it_real_fn+0x15/0x1a
>                          [<c043e506>] run_hrtimer_pending+0x68/0xfd
>                          [<c043e5b1>] run_hrtimer_softirq+0x16/0x18
>                          [<c042f806>] __do_softirq+0x84/0x10a
>                          [<c0406f7e>] do_softirq+0x79/0xda
>                          [<ffffffff>] 0xffffffff
>  }
>  ... key      at: [<c08a7338>] __key.35147+0x0/0x8
>  -> (&q->lock){++..} ops: 0 {
>     initial-use  at:
>                            [<c044831f>] __lock_acquire+0x564/0xc18
>                            [<c0448a3d>] lock_acquire+0x6a/0x90
>                            [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                            [<c0669266>] wait_for_common+0x2f/0xff
>                            [<c06693a8>] wait_for_completion+0x12/0x14
>                            [<c043bd90>] kthread_create+0x69/0x91
>                            [<c0666c72>] migration_call+0x34/0x449
>                            [<c07cfd8f>] migration_init+0x1c/0x45
>                            [<c07bd161>] kernel_init+0x49/0x2dc
>                            [<c040590f>] kernel_thread_helper+0x7/0x10
>                            [<ffffffff>] 0xffffffff
>     in-hardirq-W at:
>                            [<c0448264>] __lock_acquire+0x4a9/0xc18
>                            [<c0448a3d>] lock_acquire+0x6a/0x90
>                            [<c066b405>] _spin_lock_irqsave+0x38/0x68
>                            [<c0420eb3>] __wake_up+0x15/0x3b
>                            [<c0545b4f>] acpi_ec_gpe_handler+0x74/0xea
>                            [<c053343e>] acpi_ev_gpe_dispatch+0x4e/0x112
>                            [<c0533739>] acpi_ev_gpe_detect+0x9a/0xe1
>                            [<c0531e43>] acpi_ev_sci_xrupt_handler+0x15/0x1b
>                            [<c052caee>] acpi_irq+0xe/0x23
>                            [<c0466fc0>] handle_IRQ_event+0x1a/0x4f
>                            [<c0467f6a>] handle_fasteoi_irq+0x7d/0xb6
>                            [<c0407077>] do_IRQ+0x98/0xc5
>                            [<ffffffff>] 0xffffffff
>     in-softirq-W at:
>                            [<c0448288>] __lock_acquire+0x4cd/0xc18
>                            [<c0448a3d>] lock_acquire+0x6a/0x90
>                            [<c066b405>] _spin_lock_irqsave+0x38/0x68
>                            [<c0420eb3>] __wake_up+0x15/0x3b
>                            [<c0545b4f>] acpi_ec_gpe_handler+0x74/0xea
>                            [<c053343e>] acpi_ev_gpe_dispatch+0x4e/0x112
>                            [<c0533739>] acpi_ev_gpe_detect+0x9a/0xe1
>                            [<c0531e43>] acpi_ev_sci_xrupt_handler+0x15/0x1b
>                            [<c052caee>] acpi_irq+0xe/0x23
>                            [<c0466fc0>] handle_IRQ_event+0x1a/0x4f
>                            [<c0467f6a>] handle_fasteoi_irq+0x7d/0xb6
>                            [<c0407077>] do_IRQ+0x98/0xc5
>                            [<ffffffff>] 0xffffffff
>   }
>   ... key      at: [<c08c9230>] __key.15322+0x0/0x8
>   -> (&rq->rq_lock_key){++..} ops: 0 {
>      initial-use  at:
>                              [<c044831f>] __lock_acquire+0x564/0xc18
>                              [<c0448a3d>] lock_acquire+0x6a/0x90
>                              [<c066b405>] _spin_lock_irqsave+0x38/0x68
>                              [<c0420d29>] rq_attach_root+0x13/0xc7
>                              [<c07d000e>] sched_init+0x256/0x3c0
>                              [<c07bd6eb>] start_kernel+0x115/0x316
>                              [<c07bd008>] __init_begin+0x8/0xa
>                              [<ffffffff>] 0xffffffff
>      in-hardirq-W at:
>                              [<c0448264>] __lock_acquire+0x4a9/0xc18
>                              [<c0448a3d>] lock_acquire+0x6a/0x90
>                              [<c066b2fa>] _spin_lock+0x1c/0x49
>                              [<c0428460>] scheduler_tick+0x3a/0x17e
>                              [<c0433187>] update_process_times+0x3d/0x49
>                              [<c0443c88>] tick_periodic+0x66/0x72
>                              [<c0443cad>] tick_handle_periodic+0x19/0x68
>                              [<c04070eb>] timer_interrupt+0x47/0x4e
>                              [<c0466fc0>] handle_IRQ_event+0x1a/0x4f
>                              [<c0468023>] handle_level_irq+0x80/0xc8
>                              [<c0407077>] do_IRQ+0x98/0xc5
>                              [<ffffffff>] 0xffffffff
>      in-softirq-W at:
>                              [<c0448288>] __lock_acquire+0x4cd/0xc18
>                              [<c0448a3d>] lock_acquire+0x6a/0x90
>                              [<c066b2fa>] _spin_lock+0x1c/0x49
>                              [<c0421a05>] task_rq_lock+0x49/0x73
>                              [<c0422085>] try_to_wake_up+0x2a/0x1be
>                              [<c0422241>] wake_up_process+0xf/0x11
>                              [<c0432fdf>] process_timeout+0x8/0xa
>                              [<c0432e0d>] run_timer_softirq+0x147/0x1a7
>                              [<c042f806>] __do_softirq+0x84/0x10a
>                              [<c0406f7e>] do_softirq+0x79/0xda
>                              [<ffffffff>] 0xffffffff
>    }
>    ... key      at: [<c2c560a0>] 0xc2c560a0
>    -> (&rt_b->rt_runtime_lock){++..} ops: 0 {
>       initial-use  at:
>                                [<c044831f>] __lock_acquire+0x564/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                [<c041dd50>] enqueue_task+0x4c/0x58
>                                [<c041dd7a>] activate_task+0x1e/0x32
>                                [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                [<c0422241>] wake_up_process+0xf/0x11
>                                [<c0666cf2>] migration_call+0xb4/0x449
>                                [<c07cfdab>] migration_init+0x38/0x45
>                                [<c07bd161>] kernel_init+0x49/0x2dc
>                                [<c040590f>] kernel_thread_helper+0x7/0x10
>                                [<ffffffff>] 0xffffffff
>       in-hardirq-W at:
>                                [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                [<c041dd50>] enqueue_task+0x4c/0x58
>                                [<c041dd7a>] activate_task+0x1e/0x32
>                                [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                [<c0422241>] wake_up_process+0xf/0x11
>                                [<c0466b62>] softlockup_tick+0x9e/0x117
>                                [<c0433108>] run_local_timers+0x17/0x19
>                                [<c043316e>] update_process_times+0x24/0x49
>                                [<c04449f2>] tick_sched_timer+0x6d/0xa5
>                                [<c043e610>] __run_hrtimer+0x5d/0x94
>                                [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                [<c0440dbf>] do_gettimeofday+0x11/0x2a
>                                [<c042ec95>] sys_gettimeofday+0x1d/0x58
>                                [<c0404c76>] syscall_call+0x7/0xb
>                                [<ffffffff>] 0xffffffff
>       in-softirq-W at:
>                                [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                [<c041dd50>] enqueue_task+0x4c/0x58
>                                [<c041dd7a>] activate_task+0x1e/0x32
>                                [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                [<c0422241>] wake_up_process+0xf/0x11
>                                [<c04254c0>] rebalance_domains+0x306/0x3db
>                                [<c04255c3>] run_rebalance_domains+0x2e/0x9e
>                                [<c042f806>] __do_softirq+0x84/0x10a
>                                [<c0406f7e>] do_softirq+0x79/0xda
>                                [<ffffffff>] 0xffffffff
>     }
>     ... key      at: [<c08a7248>] __key.32974+0x0/0x8
>     -> (&cpu_base->lock){++..} ops: 0 {
>        initial-use  at:
>                                  [<c044831f>] __lock_acquire+0x564/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                                  [<c043e4ae>] run_hrtimer_pending+0x10/0xfd
>                                  [<c043ea4f>] hrtimer_run_pending+0x132/0x13a
>                                  [<c0432ce3>] run_timer_softirq+0x1d/0x1a7
>                                  [<c042f806>] __do_softirq+0x84/0x10a
>                                  [<c0406f7e>] do_softirq+0x79/0xda
>                                  [<ffffffff>] 0xffffffff
>        in-hardirq-W at:
>                                  [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c043e7ef>] hrtimer_run_queues+0xf5/0x172
>                                  [<c04330f9>] run_local_timers+0x8/0x19
>                                  [<c043316e>] update_process_times+0x24/0x49
>                                  [<c0443c88>] tick_periodic+0x66/0x72
>                                  [<c0443cad>] tick_handle_periodic+0x19/0x68
>                                  [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                  [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                  [<c0508027>] __const_udelay+0x2f/0x31
>                                  [<c0665ed6>] native_cpu_up+0x331/0x6d0
>                                  [<c066781b>] _cpu_up+0x88/0xef
>                                  [<c06678cd>] cpu_up+0x4b/0x60
>                                  [<c07bd1a6>] kernel_init+0x8e/0x2dc
>                                  [<c040590f>] kernel_thread_helper+0x7/0x10
>                                  [<ffffffff>] 0xffffffff
>        in-softirq-W at:
>                                  [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                                  [<c043e4ae>] run_hrtimer_pending+0x10/0xfd
>                                  [<c043ea4f>] hrtimer_run_pending+0x132/0x13a
>                                  [<c0432ce3>] run_timer_softirq+0x1d/0x1a7
>                                  [<c042f806>] __do_softirq+0x84/0x10a
>                                  [<c0406f7e>] do_softirq+0x79/0xda
>                                  [<ffffffff>] 0xffffffff
>      }
>      ... key      at: [<c08c9258>] __key.18648+0x0/0x8
>     ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b405>] _spin_lock_irqsave+0x38/0x68
>   [<c043eb2c>] lock_hrtimer_base+0x18/0x33
>   [<c043ec76>] hrtimer_start+0x19/0x154
>   [<c0422ccb>] __enqueue_rt_entity+0x1e8/0x221
>   [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>   [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>   [<c041dd50>] enqueue_task+0x4c/0x58
>   [<c041dd7a>] activate_task+0x1e/0x32
>   [<c04221d7>] try_to_wake_up+0x17c/0x1be
>   [<c0422241>] wake_up_process+0xf/0x11
>   [<c0666cf2>] migration_call+0xb4/0x449
>   [<c07cfdab>] migration_init+0x38/0x45
>   [<c07bd161>] kernel_init+0x49/0x2dc
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>    ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>   [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>   [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>   [<c041dd50>] enqueue_task+0x4c/0x58
>   [<c041dd7a>] activate_task+0x1e/0x32
>   [<c04221d7>] try_to_wake_up+0x17c/0x1be
>   [<c0422241>] wake_up_process+0xf/0x11
>   [<c0666cf2>] migration_call+0xb4/0x449
>   [<c07cfdab>] migration_init+0x38/0x45
>   [<c07bd161>] kernel_init+0x49/0x2dc
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>    -> (&rt_rq->rt_runtime_lock){++..} ops: 0 {
>       initial-use  at:
>                                [<c044831f>] __lock_acquire+0x564/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c04230dc>] update_curr_rt+0x10c/0x409
>                                [<c04234f0>] dequeue_task_rt+0xb/0x19
>                                [<c041ddae>] deactivate_task+0x20/0x3c
>                                [<c0668b44>] schedule+0x187/0x782
>                                [<c0428016>] migration_thread+0x179/0x20b
>                                [<c043bc3b>] kthread+0x3b/0x61
>                                [<c040590f>] kernel_thread_helper+0x7/0x10
>                                [<ffffffff>] 0xffffffff
>       in-hardirq-W at:
>                                [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c0422e21>] sched_rt_period_timer+0xde/0x220
>                                [<c043e610>] __run_hrtimer+0x5d/0x94
>                                [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                [<c052f6c7>] acpi_ds_terminate_control_method+0x60/0xad
>                                [<c053cec4>] acpi_ps_parse_aml+0x14d/0x25c
>                                [<c053e03f>] acpi_ps_execute_method+0x122/0x1e3
>                                [<c053b347>] acpi_ns_evaluate+0x93/0xec
>                                [<c054099a>] acpi_ut_evaluate_object+0x5d/0x163
>                                [<c0540b11>] acpi_ut_execute_STA+0x1d/0x49
>                                [<c053bc50>] acpi_get_object_info+0x128/0x1b6
>                                [<c054d024>] container_walk_namespace_cb+0x23/0xae
>                                [<c053c40a>] acpi_ns_walk_namespace+0x9a/0x110
>                                [<c053ad4d>] acpi_walk_namespace+0x46/0x66
>                                [<c07da74c>] acpi_container_init+0x36/0x3d
>                                [<c07bd2b3>] kernel_init+0x19b/0x2dc
>                                [<c040590f>] kernel_thread_helper+0x7/0x10
>                                [<ffffffff>] 0xffffffff
>       in-softirq-W at:
>                                [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c0422e21>] sched_rt_period_timer+0xde/0x220
>                                [<c043e610>] __run_hrtimer+0x5d/0x94
>                                [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                [<c0406f7e>] do_softirq+0x79/0xda
>                                [<ffffffff>] 0xffffffff
>     }
>     ... key      at: [<c08a7250>] __key.40934+0x0/0x8
>    ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c04230dc>] update_curr_rt+0x10c/0x409
>   [<c04234f0>] dequeue_task_rt+0xb/0x19
>   [<c041ddae>] deactivate_task+0x20/0x3c
>   [<c0668b44>] schedule+0x187/0x782
>   [<c0428016>] migration_thread+0x179/0x20b
>   [<c043bc3b>] kthread+0x3b/0x61
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>    -> (&rq->rq_lock_key#2){++..} ops: 0 {
>       initial-use  at:
>                                [<c044831f>] __lock_acquire+0x564/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b405>] _spin_lock_irqsave+0x38/0x68
>                                [<c0420d29>] rq_attach_root+0x13/0xc7
>                                [<c07d000e>] sched_init+0x256/0x3c0
>                                [<c07bd6eb>] start_kernel+0x115/0x316
>                                [<c07bd008>] __init_begin+0x8/0xa
>                                [<ffffffff>] 0xffffffff
>       in-hardirq-W at:
>                                [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c0428460>] scheduler_tick+0x3a/0x17e
>                                [<c0433187>] update_process_times+0x3d/0x49
>                                [<c0443c88>] tick_periodic+0x66/0x72
>                                [<c0443cad>] tick_handle_periodic+0x19/0x68
>                                [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                [<c04723ce>] __alloc_pages_internal+0xfa/0x3dd
>                                [<c04726c8>] __alloc_pages+0xa/0xc
>                                [<c048b45c>] __slab_alloc+0x184/0x4ea
>                                [<c048ba8d>] kmem_cache_alloc+0x63/0xc4
>                                [<c049f638>] d_alloc+0x1e/0x16f
>                                [<c0495b5a>] do_lookup+0x91/0x146
>                                [<c0497491>] __link_path_walk+0x33d/0xd3a
>                                [<c0497eda>] path_walk+0x4c/0x9b
>                                [<c04981c8>] do_path_lookup+0x198/0x1e1
>                                [<c049845d>] __path_lookup_intent_open+0x45/0x76
>                                [<c049849e>] path_lookup_open+0x10/0x12
>                                [<c0493da2>] open_exec+0x1f/0x99
>                                [<c04941fd>] do_execve+0x48/0x208
>                                [<c04034fb>] sys_execve+0x29/0x51
>                                [<c0404c76>] syscall_call+0x7/0xb
>                                [<ffffffff>] 0xffffffff
>       in-softirq-W at:
>                                [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c0428460>] scheduler_tick+0x3a/0x17e
>                                [<c0433187>] update_process_times+0x3d/0x49
>                                [<c0443c88>] tick_periodic+0x66/0x72
>                                [<c0443cad>] tick_handle_periodic+0x19/0x68
>                                [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                [<c042a506>] __put_task_struct+0x8e/0xad
>                                [<c042c2a7>] delayed_put_task_struct+0x1e/0x20
>                                [<c0468cdc>] __rcu_process_callbacks+0x180/0x1ef
>                                [<c0468d65>] rcu_process_callbacks+0x1a/0x33
>                                [<c042f806>] __do_softirq+0x84/0x10a
>                                [<c0406f7e>] do_softirq+0x79/0xda
>                                [<ffffffff>] 0xffffffff
>     }
>     ... key      at: [<c2ca90a0>] 0xc2ca90a0
>     -> (&rt_rq->rt_runtime_lock){++..} ops: 0 {
>        initial-use  at:
>                                  [<c044831f>] __lock_acquire+0x564/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c04230dc>] update_curr_rt+0x10c/0x409
>                                  [<c04234f0>] dequeue_task_rt+0xb/0x19
>                                  [<c041ddae>] deactivate_task+0x20/0x3c
>                                  [<c0668b44>] schedule+0x187/0x782
>                                  [<c0428016>] migration_thread+0x179/0x20b
>                                  [<c043bc3b>] kthread+0x3b/0x61
>                                  [<c040590f>] kernel_thread_helper+0x7/0x10
>                                  [<ffffffff>] 0xffffffff
>        in-hardirq-W at:
>                                  [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c0422e21>] sched_rt_period_timer+0xde/0x220
>                                  [<c043e610>] __run_hrtimer+0x5d/0x94
>                                  [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                  [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                  [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                  [<c052f6c7>] acpi_ds_terminate_control_method+0x60/0xad
>                                  [<c053cec4>] acpi_ps_parse_aml+0x14d/0x25c
>                                  [<c053e03f>] acpi_ps_execute_method+0x122/0x1e3
>                                  [<c053b347>] acpi_ns_evaluate+0x93/0xec
>                                  [<c054099a>] acpi_ut_evaluate_object+0x5d/0x163
>                                  [<c0540b11>] acpi_ut_execute_STA+0x1d/0x49
>                                  [<c053bc50>] acpi_get_object_info+0x128/0x1b6
>                                  [<c054d024>] container_walk_namespace_cb+0x23/0xae
>                                  [<c053c40a>] acpi_ns_walk_namespace+0x9a/0x110
>                                  [<c053ad4d>] acpi_walk_namespace+0x46/0x66
>                                  [<c07da74c>] acpi_container_init+0x36/0x3d
>                                  [<c07bd2b3>] kernel_init+0x19b/0x2dc
>                                  [<c040590f>] kernel_thread_helper+0x7/0x10
>                                  [<ffffffff>] 0xffffffff
>        in-softirq-W at:
>                                  [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c0422e21>] sched_rt_period_timer+0xde/0x220
>                                  [<c043e610>] __run_hrtimer+0x5d/0x94
>                                  [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                  [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                  [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                  [<c0406f7e>] do_softirq+0x79/0xda
>                                  [<ffffffff>] 0xffffffff
>      }
>      ... key      at: [<c08a7250>] __key.40934+0x0/0x8
>     ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c04230dc>] update_curr_rt+0x10c/0x409
>   [<c04234f0>] dequeue_task_rt+0xb/0x19
>   [<c041ddae>] deactivate_task+0x20/0x3c
>   [<c0668b44>] schedule+0x187/0x782
>   [<c0428016>] migration_thread+0x179/0x20b
>   [<c043bc3b>] kthread+0x3b/0x61
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>     -> (&rt_b->rt_runtime_lock){++..} ops: 0 {
>        initial-use  at:
>                                  [<c044831f>] __lock_acquire+0x564/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                  [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                  [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                  [<c041dd50>] enqueue_task+0x4c/0x58
>                                  [<c041dd7a>] activate_task+0x1e/0x32
>                                  [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                  [<c0422241>] wake_up_process+0xf/0x11
>                                  [<c0666cf2>] migration_call+0xb4/0x449
>                                  [<c07cfdab>] migration_init+0x38/0x45
>                                  [<c07bd161>] kernel_init+0x49/0x2dc
>                                  [<c040590f>] kernel_thread_helper+0x7/0x10
>                                  [<ffffffff>] 0xffffffff
>        in-hardirq-W at:
>                                  [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                  [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                  [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                  [<c041dd50>] enqueue_task+0x4c/0x58
>                                  [<c041dd7a>] activate_task+0x1e/0x32
>                                  [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                  [<c0422241>] wake_up_process+0xf/0x11
>                                  [<c0466b62>] softlockup_tick+0x9e/0x117
>                                  [<c0433108>] run_local_timers+0x17/0x19
>                                  [<c043316e>] update_process_times+0x24/0x49
>                                  [<c04449f2>] tick_sched_timer+0x6d/0xa5
>                                  [<c043e610>] __run_hrtimer+0x5d/0x94
>                                  [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                  [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                  [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                  [<c0440dbf>] do_gettimeofday+0x11/0x2a
>                                  [<c042ec95>] sys_gettimeofday+0x1d/0x58
>                                  [<c0404c76>] syscall_call+0x7/0xb
>                                  [<ffffffff>] 0xffffffff
>        in-softirq-W at:
>                                  [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                  [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                  [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                  [<c041dd50>] enqueue_task+0x4c/0x58
>                                  [<c041dd7a>] activate_task+0x1e/0x32
>                                  [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                  [<c0422241>] wake_up_process+0xf/0x11
>                                  [<c04254c0>] rebalance_domains+0x306/0x3db
>                                  [<c04255c3>] run_rebalance_domains+0x2e/0x9e
>                                  [<c042f806>] __do_softirq+0x84/0x10a
>                                  [<c0406f7e>] do_softirq+0x79/0xda
>                                  [<ffffffff>] 0xffffffff
>      }
>      ... key      at: [<c08a7248>] __key.32974+0x0/0x8
>      -> (&cpu_base->lock){++..} ops: 0 {
>         initial-use  at:
>                                    [<c044831f>] __lock_acquire+0x564/0xc18
>                                    [<c0448a3d>] lock_acquire+0x6a/0x90
>                                    [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                                    [<c043e4ae>] run_hrtimer_pending+0x10/0xfd
>                                    [<c043ea4f>] hrtimer_run_pending+0x132/0x13a
>                                    [<c0432ce3>] run_timer_softirq+0x1d/0x1a7
>                                    [<c042f806>] __do_softirq+0x84/0x10a
>                                    [<c0406f7e>] do_softirq+0x79/0xda
>                                    [<ffffffff>] 0xffffffff
>         in-hardirq-W at:
>                                    [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                    [<c0448a3d>] lock_acquire+0x6a/0x90
>                                    [<c066b2fa>] _spin_lock+0x1c/0x49
>                                    [<c043e7ef>] hrtimer_run_queues+0xf5/0x172
>                                    [<c04330f9>] run_local_timers+0x8/0x19
>                                    [<c043316e>] update_process_times+0x24/0x49
>                                    [<c0443c88>] tick_periodic+0x66/0x72
>                                    [<c0443cad>] tick_handle_periodic+0x19/0x68
>                                    [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                    [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                    [<c0508027>] __const_udelay+0x2f/0x31
>                                    [<c0665ed6>] native_cpu_up+0x331/0x6d0
>                                    [<c066781b>] _cpu_up+0x88/0xef
>                                    [<c06678cd>] cpu_up+0x4b/0x60
>                                    [<c07bd1a6>] kernel_init+0x8e/0x2dc
>                                    [<c040590f>] kernel_thread_helper+0x7/0x10
>                                    [<ffffffff>] 0xffffffff
>         in-softirq-W at:
>                                    [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                    [<c0448a3d>] lock_acquire+0x6a/0x90
>                                    [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                                    [<c043e4ae>] run_hrtimer_pending+0x10/0xfd
>                                    [<c043ea4f>] hrtimer_run_pending+0x132/0x13a
>                                    [<c0432ce3>] run_timer_softirq+0x1d/0x1a7
>                                    [<c042f806>] __do_softirq+0x84/0x10a
>                                    [<c0406f7e>] do_softirq+0x79/0xda
>                                    [<ffffffff>] 0xffffffff
>       }
>       ... key      at: [<c08c9258>] __key.18648+0x0/0x8
>      ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b405>] _spin_lock_irqsave+0x38/0x68
>   [<c043eb2c>] lock_hrtimer_base+0x18/0x33
>   [<c043ec76>] hrtimer_start+0x19/0x154
>   [<c0422ccb>] __enqueue_rt_entity+0x1e8/0x221
>   [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>   [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>   [<c041dd50>] enqueue_task+0x4c/0x58
>   [<c041dd7a>] activate_task+0x1e/0x32
>   [<c04221d7>] try_to_wake_up+0x17c/0x1be
>   [<c0422241>] wake_up_process+0xf/0x11
>   [<c0666cf2>] migration_call+0xb4/0x449
>   [<c07cfdab>] migration_init+0x38/0x45
>   [<c07bd161>] kernel_init+0x49/0x2dc
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>     ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>   [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>   [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>   [<c041dd50>] enqueue_task+0x4c/0x58
>   [<c041dd7a>] activate_task+0x1e/0x32
>   [<c04221d7>] try_to_wake_up+0x17c/0x1be
>   [<c0422241>] wake_up_process+0xf/0x11
>   [<c045b406>] __stop_machine_run+0x7a/0x95
>   [<c045b43d>] stop_machine_run+0x1c/0x38
>   [<c044fb28>] sys_init_module+0x1407/0x198f
>   [<c0404c76>] syscall_call+0x7/0xb
>   [<ffffffff>] 0xffffffff
>
>    ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0421cd4>] double_rq_lock+0x3b/0x6d
>   [<c0421d50>] __migrate_task+0x4a/0xbe
>   [<c0428049>] migration_thread+0x1ac/0x20b
>   [<c043bc3b>] kthread+0x3b/0x61
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>   ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0421a05>] task_rq_lock+0x49/0x73
>   [<c0422085>] try_to_wake_up+0x2a/0x1be
>   [<c0422224>] default_wake_function+0xb/0xd
>   [<c041e28b>] __wake_up_common+0x35/0x5b
>   [<c0420e47>] complete+0x2b/0x3e
>   [<c043bc1f>] kthread+0x1f/0x61
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>   -> (&rq->rq_lock_key#2){++..} ops: 0 {
>      initial-use  at:
>                              [<c044831f>] __lock_acquire+0x564/0xc18
>                              [<c0448a3d>] lock_acquire+0x6a/0x90
>                              [<c066b405>] _spin_lock_irqsave+0x38/0x68
>                              [<c0420d29>] rq_attach_root+0x13/0xc7
>                              [<c07d000e>] sched_init+0x256/0x3c0
>                              [<c07bd6eb>] start_kernel+0x115/0x316
>                              [<c07bd008>] __init_begin+0x8/0xa
>                              [<ffffffff>] 0xffffffff
>      in-hardirq-W at:
>                              [<c0448264>] __lock_acquire+0x4a9/0xc18
>                              [<c0448a3d>] lock_acquire+0x6a/0x90
>                              [<c066b2fa>] _spin_lock+0x1c/0x49
>                              [<c0428460>] scheduler_tick+0x3a/0x17e
>                              [<c0433187>] update_process_times+0x3d/0x49
>                              [<c0443c88>] tick_periodic+0x66/0x72
>                              [<c0443cad>] tick_handle_periodic+0x19/0x68
>                              [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                              [<c040576b>] apic_timer_interrupt+0x33/0x38
>                              [<c04723ce>] __alloc_pages_internal+0xfa/0x3dd
>                              [<c04726c8>] __alloc_pages+0xa/0xc
>                              [<c048b45c>] __slab_alloc+0x184/0x4ea
>                              [<c048ba8d>] kmem_cache_alloc+0x63/0xc4
>                              [<c049f638>] d_alloc+0x1e/0x16f
>                              [<c0495b5a>] do_lookup+0x91/0x146
>                              [<c0497491>] __link_path_walk+0x33d/0xd3a
>                              [<c0497eda>] path_walk+0x4c/0x9b
>                              [<c04981c8>] do_path_lookup+0x198/0x1e1
>                              [<c049845d>] __path_lookup_intent_open+0x45/0x76
>                              [<c049849e>] path_lookup_open+0x10/0x12
>                              [<c0493da2>] open_exec+0x1f/0x99
>                              [<c04941fd>] do_execve+0x48/0x208
>                              [<c04034fb>] sys_execve+0x29/0x51
>                              [<c0404c76>] syscall_call+0x7/0xb
>                              [<ffffffff>] 0xffffffff
>      in-softirq-W at:
>                              [<c0448288>] __lock_acquire+0x4cd/0xc18
>                              [<c0448a3d>] lock_acquire+0x6a/0x90
>                              [<c066b2fa>] _spin_lock+0x1c/0x49
>                              [<c0428460>] scheduler_tick+0x3a/0x17e
>                              [<c0433187>] update_process_times+0x3d/0x49
>                              [<c0443c88>] tick_periodic+0x66/0x72
>                              [<c0443cad>] tick_handle_periodic+0x19/0x68
>                              [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                              [<c040576b>] apic_timer_interrupt+0x33/0x38
>                              [<c042a506>] __put_task_struct+0x8e/0xad
>                              [<c042c2a7>] delayed_put_task_struct+0x1e/0x20
>                              [<c0468cdc>] __rcu_process_callbacks+0x180/0x1ef
>                              [<c0468d65>] rcu_process_callbacks+0x1a/0x33
>                              [<c042f806>] __do_softirq+0x84/0x10a
>                              [<c0406f7e>] do_softirq+0x79/0xda
>                              [<ffffffff>] 0xffffffff
>    }
>    ... key      at: [<c2ca90a0>] 0xc2ca90a0
>    -> (&rt_rq->rt_runtime_lock){++..} ops: 0 {
>       initial-use  at:
>                                [<c044831f>] __lock_acquire+0x564/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c04230dc>] update_curr_rt+0x10c/0x409
>                                [<c04234f0>] dequeue_task_rt+0xb/0x19
>                                [<c041ddae>] deactivate_task+0x20/0x3c
>                                [<c0668b44>] schedule+0x187/0x782
>                                [<c0428016>] migration_thread+0x179/0x20b
>                                [<c043bc3b>] kthread+0x3b/0x61
>                                [<c040590f>] kernel_thread_helper+0x7/0x10
>                                [<ffffffff>] 0xffffffff
>       in-hardirq-W at:
>                                [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c0422e21>] sched_rt_period_timer+0xde/0x220
>                                [<c043e610>] __run_hrtimer+0x5d/0x94
>                                [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                [<c052f6c7>] acpi_ds_terminate_control_method+0x60/0xad
>                                [<c053cec4>] acpi_ps_parse_aml+0x14d/0x25c
>                                [<c053e03f>] acpi_ps_execute_method+0x122/0x1e3
>                                [<c053b347>] acpi_ns_evaluate+0x93/0xec
>                                [<c054099a>] acpi_ut_evaluate_object+0x5d/0x163
>                                [<c0540b11>] acpi_ut_execute_STA+0x1d/0x49
>                                [<c053bc50>] acpi_get_object_info+0x128/0x1b6
>                                [<c054d024>] container_walk_namespace_cb+0x23/0xae
>                                [<c053c40a>] acpi_ns_walk_namespace+0x9a/0x110
>                                [<c053ad4d>] acpi_walk_namespace+0x46/0x66
>                                [<c07da74c>] acpi_container_init+0x36/0x3d
>                                [<c07bd2b3>] kernel_init+0x19b/0x2dc
>                                [<c040590f>] kernel_thread_helper+0x7/0x10
>                                [<ffffffff>] 0xffffffff
>       in-softirq-W at:
>                                [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c0422e21>] sched_rt_period_timer+0xde/0x220
>                                [<c043e610>] __run_hrtimer+0x5d/0x94
>                                [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                [<c0406f7e>] do_softirq+0x79/0xda
>                                [<ffffffff>] 0xffffffff
>     }
>     ... key      at: [<c08a7250>] __key.40934+0x0/0x8
>    ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c04230dc>] update_curr_rt+0x10c/0x409
>   [<c04234f0>] dequeue_task_rt+0xb/0x19
>   [<c041ddae>] deactivate_task+0x20/0x3c
>   [<c0668b44>] schedule+0x187/0x782
>   [<c0428016>] migration_thread+0x179/0x20b
>   [<c043bc3b>] kthread+0x3b/0x61
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>    -> (&rt_b->rt_runtime_lock){++..} ops: 0 {
>       initial-use  at:
>                                [<c044831f>] __lock_acquire+0x564/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                [<c041dd50>] enqueue_task+0x4c/0x58
>                                [<c041dd7a>] activate_task+0x1e/0x32
>                                [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                [<c0422241>] wake_up_process+0xf/0x11
>                                [<c0666cf2>] migration_call+0xb4/0x449
>                                [<c07cfdab>] migration_init+0x38/0x45
>                                [<c07bd161>] kernel_init+0x49/0x2dc
>                                [<c040590f>] kernel_thread_helper+0x7/0x10
>                                [<ffffffff>] 0xffffffff
>       in-hardirq-W at:
>                                [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                [<c041dd50>] enqueue_task+0x4c/0x58
>                                [<c041dd7a>] activate_task+0x1e/0x32
>                                [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                [<c0422241>] wake_up_process+0xf/0x11
>                                [<c0466b62>] softlockup_tick+0x9e/0x117
>                                [<c0433108>] run_local_timers+0x17/0x19
>                                [<c043316e>] update_process_times+0x24/0x49
>                                [<c04449f2>] tick_sched_timer+0x6d/0xa5
>                                [<c043e610>] __run_hrtimer+0x5d/0x94
>                                [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                [<c0440dbf>] do_gettimeofday+0x11/0x2a
>                                [<c042ec95>] sys_gettimeofday+0x1d/0x58
>                                [<c0404c76>] syscall_call+0x7/0xb
>                                [<ffffffff>] 0xffffffff
>       in-softirq-W at:
>                                [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                [<c041dd50>] enqueue_task+0x4c/0x58
>                                [<c041dd7a>] activate_task+0x1e/0x32
>                                [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                [<c0422241>] wake_up_process+0xf/0x11
>                                [<c04254c0>] rebalance_domains+0x306/0x3db
>                                [<c04255c3>] run_rebalance_domains+0x2e/0x9e
>                                [<c042f806>] __do_softirq+0x84/0x10a
>                                [<c0406f7e>] do_softirq+0x79/0xda
>                                [<ffffffff>] 0xffffffff
>     }
>     ... key      at: [<c08a7248>] __key.32974+0x0/0x8
>     -> (&cpu_base->lock){++..} ops: 0 {
>        initial-use  at:
>                                  [<c044831f>] __lock_acquire+0x564/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                                  [<c043e4ae>] run_hrtimer_pending+0x10/0xfd
>                                  [<c043ea4f>] hrtimer_run_pending+0x132/0x13a
>                                  [<c0432ce3>] run_timer_softirq+0x1d/0x1a7
>                                  [<c042f806>] __do_softirq+0x84/0x10a
>                                  [<c0406f7e>] do_softirq+0x79/0xda
>                                  [<ffffffff>] 0xffffffff
>        in-hardirq-W at:
>                                  [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c043e7ef>] hrtimer_run_queues+0xf5/0x172
>                                  [<c04330f9>] run_local_timers+0x8/0x19
>                                  [<c043316e>] update_process_times+0x24/0x49
>                                  [<c0443c88>] tick_periodic+0x66/0x72
>                                  [<c0443cad>] tick_handle_periodic+0x19/0x68
>                                  [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                  [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                  [<c0508027>] __const_udelay+0x2f/0x31
>                                  [<c0665ed6>] native_cpu_up+0x331/0x6d0
>                                  [<c066781b>] _cpu_up+0x88/0xef
>                                  [<c06678cd>] cpu_up+0x4b/0x60
>                                  [<c07bd1a6>] kernel_init+0x8e/0x2dc
>                                  [<c040590f>] kernel_thread_helper+0x7/0x10
>                                  [<ffffffff>] 0xffffffff
>        in-softirq-W at:
>                                  [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                                  [<c043e4ae>] run_hrtimer_pending+0x10/0xfd
>                                  [<c043ea4f>] hrtimer_run_pending+0x132/0x13a
>                                  [<c0432ce3>] run_timer_softirq+0x1d/0x1a7
>                                  [<c042f806>] __do_softirq+0x84/0x10a
>                                  [<c0406f7e>] do_softirq+0x79/0xda
>                                  [<ffffffff>] 0xffffffff
>      }
>      ... key      at: [<c08c9258>] __key.18648+0x0/0x8
>     ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b405>] _spin_lock_irqsave+0x38/0x68
>   [<c043eb2c>] lock_hrtimer_base+0x18/0x33
>   [<c043ec76>] hrtimer_start+0x19/0x154
>   [<c0422ccb>] __enqueue_rt_entity+0x1e8/0x221
>   [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>   [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>   [<c041dd50>] enqueue_task+0x4c/0x58
>   [<c041dd7a>] activate_task+0x1e/0x32
>   [<c04221d7>] try_to_wake_up+0x17c/0x1be
>   [<c0422241>] wake_up_process+0xf/0x11
>   [<c0666cf2>] migration_call+0xb4/0x449
>   [<c07cfdab>] migration_init+0x38/0x45
>   [<c07bd161>] kernel_init+0x49/0x2dc
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>    ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>   [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>   [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>   [<c041dd50>] enqueue_task+0x4c/0x58
>   [<c041dd7a>] activate_task+0x1e/0x32
>   [<c04221d7>] try_to_wake_up+0x17c/0x1be
>   [<c0422241>] wake_up_process+0xf/0x11
>   [<c045b406>] __stop_machine_run+0x7a/0x95
>   [<c045b43d>] stop_machine_run+0x1c/0x38
>   [<c044fb28>] sys_init_module+0x1407/0x198f
>   [<c0404c76>] syscall_call+0x7/0xb
>   [<ffffffff>] 0xffffffff
>
>   ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0421a05>] task_rq_lock+0x49/0x73
>   [<c0422085>] try_to_wake_up+0x2a/0x1be
>   [<c0422224>] default_wake_function+0xb/0xd
>   [<c043bea6>] autoremove_wake_function+0xf/0x33
>   [<c041e28b>] __wake_up_common+0x35/0x5b
>   [<c0420ec6>] __wake_up+0x28/0x3b
>   [<c0439025>] insert_work+0x49/0x4f
>   [<c04393da>] __queue_work+0x1f/0x2d
>   [<c0439454>] queue_work+0x3e/0x48
>   [<c0438b4d>] call_usermodehelper_exec+0x72/0xc0
>   [<c0504764>] kobject_uevent_env+0x2c0/0x2f0
>   [<c050479e>] kobject_uevent+0xa/0xc
>   [<c0503feb>] kset_register+0x2e/0x34
>   [<c057a0f5>] bus_register+0x8e/0x1dd
>   [<c07dda09>] platform_bus_init+0x1e/0x33
>   [<c07ddabe>] driver_init+0x1c/0x28
>   [<c07bd267>] kernel_init+0x14f/0x2dc
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>   -> (&ep->lock){....} ops: 0 {
>      initial-use  at:
>                              [<c044831f>] __lock_acquire+0x564/0xc18
>                              [<c0448a3d>] lock_acquire+0x6a/0x90
>                              [<c066b405>] _spin_lock_irqsave+0x38/0x68
>                              [<c04b630e>] sys_epoll_ctl+0x23d/0x401
>                              [<c0404c76>] syscall_call+0x7/0xb
>                              [<ffffffff>] 0xffffffff
>    }
>    ... key      at: [<c0b016fc>] __key.20597+0x0/0x8
>    -> (&rq->rq_lock_key){++..} ops: 0 {
>       initial-use  at:
>                                [<c044831f>] __lock_acquire+0x564/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b405>] _spin_lock_irqsave+0x38/0x68
>                                [<c0420d29>] rq_attach_root+0x13/0xc7
>                                [<c07d000e>] sched_init+0x256/0x3c0
>                                [<c07bd6eb>] start_kernel+0x115/0x316
>                                [<c07bd008>] __init_begin+0x8/0xa
>                                [<ffffffff>] 0xffffffff
>       in-hardirq-W at:
>                                [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c0428460>] scheduler_tick+0x3a/0x17e
>                                [<c0433187>] update_process_times+0x3d/0x49
>                                [<c0443c88>] tick_periodic+0x66/0x72
>                                [<c0443cad>] tick_handle_periodic+0x19/0x68
>                                [<c04070eb>] timer_interrupt+0x47/0x4e
>                                [<c0466fc0>] handle_IRQ_event+0x1a/0x4f
>                                [<c0468023>] handle_level_irq+0x80/0xc8
>                                [<c0407077>] do_IRQ+0x98/0xc5
>                                [<ffffffff>] 0xffffffff
>       in-softirq-W at:
>                                [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c0421a05>] task_rq_lock+0x49/0x73
>                                [<c0422085>] try_to_wake_up+0x2a/0x1be
>                                [<c0422241>] wake_up_process+0xf/0x11
>                                [<c0432fdf>] process_timeout+0x8/0xa
>                                [<c0432e0d>] run_timer_softirq+0x147/0x1a7
>                                [<c042f806>] __do_softirq+0x84/0x10a
>                                [<c0406f7e>] do_softirq+0x79/0xda
>                                [<ffffffff>] 0xffffffff
>     }
>     ... key      at: [<c2c560a0>] 0xc2c560a0
>     -> (&rt_b->rt_runtime_lock){++..} ops: 0 {
>        initial-use  at:
>                                  [<c044831f>] __lock_acquire+0x564/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                  [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                  [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                  [<c041dd50>] enqueue_task+0x4c/0x58
>                                  [<c041dd7a>] activate_task+0x1e/0x32
>                                  [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                  [<c0422241>] wake_up_process+0xf/0x11
>                                  [<c0666cf2>] migration_call+0xb4/0x449
>                                  [<c07cfdab>] migration_init+0x38/0x45
>                                  [<c07bd161>] kernel_init+0x49/0x2dc
>                                  [<c040590f>] kernel_thread_helper+0x7/0x10
>                                  [<ffffffff>] 0xffffffff
>        in-hardirq-W at:
>                                  [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                  [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                  [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                  [<c041dd50>] enqueue_task+0x4c/0x58
>                                  [<c041dd7a>] activate_task+0x1e/0x32
>                                  [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                  [<c0422241>] wake_up_process+0xf/0x11
>                                  [<c0466b62>] softlockup_tick+0x9e/0x117
>                                  [<c0433108>] run_local_timers+0x17/0x19
>                                  [<c043316e>] update_process_times+0x24/0x49
>                                  [<c04449f2>] tick_sched_timer+0x6d/0xa5
>                                  [<c043e610>] __run_hrtimer+0x5d/0x94
>                                  [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                  [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                  [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                  [<c0440dbf>] do_gettimeofday+0x11/0x2a
>                                  [<c042ec95>] sys_gettimeofday+0x1d/0x58
>                                  [<c0404c76>] syscall_call+0x7/0xb
>                                  [<ffffffff>] 0xffffffff
>        in-softirq-W at:
>                                  [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                  [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                  [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                  [<c041dd50>] enqueue_task+0x4c/0x58
>                                  [<c041dd7a>] activate_task+0x1e/0x32
>                                  [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                  [<c0422241>] wake_up_process+0xf/0x11
>                                  [<c04254c0>] rebalance_domains+0x306/0x3db
>                                  [<c04255c3>] run_rebalance_domains+0x2e/0x9e
>                                  [<c042f806>] __do_softirq+0x84/0x10a
>                                  [<c0406f7e>] do_softirq+0x79/0xda
>                                  [<ffffffff>] 0xffffffff
>      }
>      ... key      at: [<c08a7248>] __key.32974+0x0/0x8
>      -> (&cpu_base->lock){++..} ops: 0 {
>         initial-use  at:
>                                    [<c044831f>] __lock_acquire+0x564/0xc18
>                                    [<c0448a3d>] lock_acquire+0x6a/0x90
>                                    [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                                    [<c043e4ae>] run_hrtimer_pending+0x10/0xfd
>                                    [<c043ea4f>] hrtimer_run_pending+0x132/0x13a
>                                    [<c0432ce3>] run_timer_softirq+0x1d/0x1a7
>                                    [<c042f806>] __do_softirq+0x84/0x10a
>                                    [<c0406f7e>] do_softirq+0x79/0xda
>                                    [<ffffffff>] 0xffffffff
>         in-hardirq-W at:
>                                    [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                    [<c0448a3d>] lock_acquire+0x6a/0x90
>                                    [<c066b2fa>] _spin_lock+0x1c/0x49
>                                    [<c043e7ef>] hrtimer_run_queues+0xf5/0x172
>                                    [<c04330f9>] run_local_timers+0x8/0x19
>                                    [<c043316e>] update_process_times+0x24/0x49
>                                    [<c0443c88>] tick_periodic+0x66/0x72
>                                    [<c0443cad>] tick_handle_periodic+0x19/0x68
>                                    [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                    [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                    [<c0508027>] __const_udelay+0x2f/0x31
>                                    [<c0665ed6>] native_cpu_up+0x331/0x6d0
>                                    [<c066781b>] _cpu_up+0x88/0xef
>                                    [<c06678cd>] cpu_up+0x4b/0x60
>                                    [<c07bd1a6>] kernel_init+0x8e/0x2dc
>                                    [<c040590f>] kernel_thread_helper+0x7/0x10
>                                    [<ffffffff>] 0xffffffff
>         in-softirq-W at:
>                                    [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                    [<c0448a3d>] lock_acquire+0x6a/0x90
>                                    [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                                    [<c043e4ae>] run_hrtimer_pending+0x10/0xfd
>                                    [<c043ea4f>] hrtimer_run_pending+0x132/0x13a
>                                    [<c0432ce3>] run_timer_softirq+0x1d/0x1a7
>                                    [<c042f806>] __do_softirq+0x84/0x10a
>                                    [<c0406f7e>] do_softirq+0x79/0xda
>                                    [<ffffffff>] 0xffffffff
>       }
>       ... key      at: [<c08c9258>] __key.18648+0x0/0x8
>      ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b405>] _spin_lock_irqsave+0x38/0x68
>   [<c043eb2c>] lock_hrtimer_base+0x18/0x33
>   [<c043ec76>] hrtimer_start+0x19/0x154
>   [<c0422ccb>] __enqueue_rt_entity+0x1e8/0x221
>   [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>   [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>   [<c041dd50>] enqueue_task+0x4c/0x58
>   [<c041dd7a>] activate_task+0x1e/0x32
>   [<c04221d7>] try_to_wake_up+0x17c/0x1be
>   [<c0422241>] wake_up_process+0xf/0x11
>   [<c0666cf2>] migration_call+0xb4/0x449
>   [<c07cfdab>] migration_init+0x38/0x45
>   [<c07bd161>] kernel_init+0x49/0x2dc
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>     ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>   [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>   [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>   [<c041dd50>] enqueue_task+0x4c/0x58
>   [<c041dd7a>] activate_task+0x1e/0x32
>   [<c04221d7>] try_to_wake_up+0x17c/0x1be
>   [<c0422241>] wake_up_process+0xf/0x11
>   [<c0666cf2>] migration_call+0xb4/0x449
>   [<c07cfdab>] migration_init+0x38/0x45
>   [<c07bd161>] kernel_init+0x49/0x2dc
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>     -> (&rt_rq->rt_runtime_lock){++..} ops: 0 {
>        initial-use  at:
>                                  [<c044831f>] __lock_acquire+0x564/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c04230dc>] update_curr_rt+0x10c/0x409
>                                  [<c04234f0>] dequeue_task_rt+0xb/0x19
>                                  [<c041ddae>] deactivate_task+0x20/0x3c
>                                  [<c0668b44>] schedule+0x187/0x782
>                                  [<c0428016>] migration_thread+0x179/0x20b
>                                  [<c043bc3b>] kthread+0x3b/0x61
>                                  [<c040590f>] kernel_thread_helper+0x7/0x10
>                                  [<ffffffff>] 0xffffffff
>        in-hardirq-W at:
>                                  [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c0422e21>] sched_rt_period_timer+0xde/0x220
>                                  [<c043e610>] __run_hrtimer+0x5d/0x94
>                                  [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                  [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                  [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                  [<c052f6c7>] acpi_ds_terminate_control_method+0x60/0xad
>                                  [<c053cec4>] acpi_ps_parse_aml+0x14d/0x25c
>                                  [<c053e03f>] acpi_ps_execute_method+0x122/0x1e3
>                                  [<c053b347>] acpi_ns_evaluate+0x93/0xec
>                                  [<c054099a>] acpi_ut_evaluate_object+0x5d/0x163
>                                  [<c0540b11>] acpi_ut_execute_STA+0x1d/0x49
>                                  [<c053bc50>] acpi_get_object_info+0x128/0x1b6
>                                  [<c054d024>] container_walk_namespace_cb+0x23/0xae
>                                  [<c053c40a>] acpi_ns_walk_namespace+0x9a/0x110
>                                  [<c053ad4d>] acpi_walk_namespace+0x46/0x66
>                                  [<c07da74c>] acpi_container_init+0x36/0x3d
>                                  [<c07bd2b3>] kernel_init+0x19b/0x2dc
>                                  [<c040590f>] kernel_thread_helper+0x7/0x10
>                                  [<ffffffff>] 0xffffffff
>        in-softirq-W at:
>                                  [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c0422e21>] sched_rt_period_timer+0xde/0x220
>                                  [<c043e610>] __run_hrtimer+0x5d/0x94
>                                  [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                  [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                  [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                  [<c0406f7e>] do_softirq+0x79/0xda
>                                  [<ffffffff>] 0xffffffff
>      }
>      ... key      at: [<c08a7250>] __key.40934+0x0/0x8
>     ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c04230dc>] update_curr_rt+0x10c/0x409
>   [<c04234f0>] dequeue_task_rt+0xb/0x19
>   [<c041ddae>] deactivate_task+0x20/0x3c
>   [<c0668b44>] schedule+0x187/0x782
>   [<c0428016>] migration_thread+0x179/0x20b
>   [<c043bc3b>] kthread+0x3b/0x61
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>     -> (&rq->rq_lock_key#2){++..} ops: 0 {
>        initial-use  at:
>                                  [<c044831f>] __lock_acquire+0x564/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b405>] _spin_lock_irqsave+0x38/0x68
>                                  [<c0420d29>] rq_attach_root+0x13/0xc7
>                                  [<c07d000e>] sched_init+0x256/0x3c0
>                                  [<c07bd6eb>] start_kernel+0x115/0x316
>                                  [<c07bd008>] __init_begin+0x8/0xa
>                                  [<ffffffff>] 0xffffffff
>        in-hardirq-W at:
>                                  [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c0428460>] scheduler_tick+0x3a/0x17e
>                                  [<c0433187>] update_process_times+0x3d/0x49
>                                  [<c0443c88>] tick_periodic+0x66/0x72
>                                  [<c0443cad>] tick_handle_periodic+0x19/0x68
>                                  [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                  [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                  [<c04723ce>] __alloc_pages_internal+0xfa/0x3dd
>                                  [<c04726c8>] __alloc_pages+0xa/0xc
>                                  [<c048b45c>] __slab_alloc+0x184/0x4ea
>                                  [<c048ba8d>] kmem_cache_alloc+0x63/0xc4
>                                  [<c049f638>] d_alloc+0x1e/0x16f
>                                  [<c0495b5a>] do_lookup+0x91/0x146
>                                  [<c0497491>] __link_path_walk+0x33d/0xd3a
>                                  [<c0497eda>] path_walk+0x4c/0x9b
>                                  [<c04981c8>] do_path_lookup+0x198/0x1e1
>                                  [<c049845d>] __path_lookup_intent_open+0x45/0x76
>                                  [<c049849e>] path_lookup_open+0x10/0x12
>                                  [<c0493da2>] open_exec+0x1f/0x99
>                                  [<c04941fd>] do_execve+0x48/0x208
>                                  [<c04034fb>] sys_execve+0x29/0x51
>                                  [<c0404c76>] syscall_call+0x7/0xb
>                                  [<ffffffff>] 0xffffffff
>        in-softirq-W at:
>                                  [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c0428460>] scheduler_tick+0x3a/0x17e
>                                  [<c0433187>] update_process_times+0x3d/0x49
>                                  [<c0443c88>] tick_periodic+0x66/0x72
>                                  [<c0443cad>] tick_handle_periodic+0x19/0x68
>                                  [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                  [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                  [<c042a506>] __put_task_struct+0x8e/0xad
>                                  [<c042c2a7>] delayed_put_task_struct+0x1e/0x20
>                                  [<c0468cdc>] __rcu_process_callbacks+0x180/0x1ef
>                                  [<c0468d65>] rcu_process_callbacks+0x1a/0x33
>                                  [<c042f806>] __do_softirq+0x84/0x10a
>                                  [<c0406f7e>] do_softirq+0x79/0xda
>                                  [<ffffffff>] 0xffffffff
>      }
>      ... key      at: [<c2ca90a0>] 0xc2ca90a0
>      -> (&rt_rq->rt_runtime_lock){++..} ops: 0 {
>         initial-use  at:
>                                    [<c044831f>] __lock_acquire+0x564/0xc18
>                                    [<c0448a3d>] lock_acquire+0x6a/0x90
>                                    [<c066b2fa>] _spin_lock+0x1c/0x49
>                                    [<c04230dc>] update_curr_rt+0x10c/0x409
>                                    [<c04234f0>] dequeue_task_rt+0xb/0x19
>                                    [<c041ddae>] deactivate_task+0x20/0x3c
>                                    [<c0668b44>] schedule+0x187/0x782
>                                    [<c0428016>] migration_thread+0x179/0x20b
>                                    [<c043bc3b>] kthread+0x3b/0x61
>                                    [<c040590f>] kernel_thread_helper+0x7/0x10
>                                    [<ffffffff>] 0xffffffff
>         in-hardirq-W at:
>                                    [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                    [<c0448a3d>] lock_acquire+0x6a/0x90
>                                    [<c066b2fa>] _spin_lock+0x1c/0x49
>                                    [<c0422e21>] sched_rt_period_timer+0xde/0x220
>                                    [<c043e610>] __run_hrtimer+0x5d/0x94
>                                    [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                    [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                    [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                    [<c052f6c7>] acpi_ds_terminate_control_method+0x60/0xad
>                                    [<c053cec4>] acpi_ps_parse_aml+0x14d/0x25c
>                                    [<c053e03f>] acpi_ps_execute_method+0x122/0x1e3
>                                    [<c053b347>] acpi_ns_evaluate+0x93/0xec
>                                    [<c054099a>] acpi_ut_evaluate_object+0x5d/0x163
>                                    [<c0540b11>] acpi_ut_execute_STA+0x1d/0x49
>                                    [<c053bc50>] acpi_get_object_info+0x128/0x1b6
>                                    [<c054d024>] container_walk_namespace_cb+0x23/0xae
>                                    [<c053c40a>] acpi_ns_walk_namespace+0x9a/0x110
>                                    [<c053ad4d>] acpi_walk_namespace+0x46/0x66
>                                    [<c07da74c>] acpi_container_init+0x36/0x3d
>                                    [<c07bd2b3>] kernel_init+0x19b/0x2dc
>                                    [<c040590f>] kernel_thread_helper+0x7/0x10
>                                    [<ffffffff>] 0xffffffff
>         in-softirq-W at:
>                                    [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                    [<c0448a3d>] lock_acquire+0x6a/0x90
>                                    [<c066b2fa>] _spin_lock+0x1c/0x49
>                                    [<c0422e21>] sched_rt_period_timer+0xde/0x220
>                                    [<c043e610>] __run_hrtimer+0x5d/0x94
>                                    [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                    [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                    [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                    [<c0406f7e>] do_softirq+0x79/0xda
>                                    [<ffffffff>] 0xffffffff
>       }
>       ... key      at: [<c08a7250>] __key.40934+0x0/0x8
>      ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c04230dc>] update_curr_rt+0x10c/0x409
>   [<c04234f0>] dequeue_task_rt+0xb/0x19
>   [<c041ddae>] deactivate_task+0x20/0x3c
>   [<c0668b44>] schedule+0x187/0x782
>   [<c0428016>] migration_thread+0x179/0x20b
>   [<c043bc3b>] kthread+0x3b/0x61
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>      -> (&rt_b->rt_runtime_lock){++..} ops: 0 {
>         initial-use  at:
>                                    [<c044831f>] __lock_acquire+0x564/0xc18
>                                    [<c0448a3d>] lock_acquire+0x6a/0x90
>                                    [<c066b2fa>] _spin_lock+0x1c/0x49
>                                    [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                    [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                    [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                    [<c041dd50>] enqueue_task+0x4c/0x58
>                                    [<c041dd7a>] activate_task+0x1e/0x32
>                                    [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                    [<c0422241>] wake_up_process+0xf/0x11
>                                    [<c0666cf2>] migration_call+0xb4/0x449
>                                    [<c07cfdab>] migration_init+0x38/0x45
>                                    [<c07bd161>] kernel_init+0x49/0x2dc
>                                    [<c040590f>] kernel_thread_helper+0x7/0x10
>                                    [<ffffffff>] 0xffffffff
>         in-hardirq-W at:
>                                    [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                    [<c0448a3d>] lock_acquire+0x6a/0x90
>                                    [<c066b2fa>] _spin_lock+0x1c/0x49
>                                    [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                    [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                    [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                    [<c041dd50>] enqueue_task+0x4c/0x58
>                                    [<c041dd7a>] activate_task+0x1e/0x32
>                                    [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                    [<c0422241>] wake_up_process+0xf/0x11
>                                    [<c0466b62>] softlockup_tick+0x9e/0x117
>                                    [<c0433108>] run_local_timers+0x17/0x19
>                                    [<c043316e>] update_process_times+0x24/0x49
>                                    [<c04449f2>] tick_sched_timer+0x6d/0xa5
>                                    [<c043e610>] __run_hrtimer+0x5d/0x94
>                                    [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                    [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                    [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                    [<c0440dbf>] do_gettimeofday+0x11/0x2a
>                                    [<c042ec95>] sys_gettimeofday+0x1d/0x58
>                                    [<c0404c76>] syscall_call+0x7/0xb
>                                    [<ffffffff>] 0xffffffff
>         in-softirq-W at:
>                                    [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                    [<c0448a3d>] lock_acquire+0x6a/0x90
>                                    [<c066b2fa>] _spin_lock+0x1c/0x49
>                                    [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                    [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                    [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                    [<c041dd50>] enqueue_task+0x4c/0x58
>                                    [<c041dd7a>] activate_task+0x1e/0x32
>                                    [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                    [<c0422241>] wake_up_process+0xf/0x11
>                                    [<c04254c0>] rebalance_domains+0x306/0x3db
>                                    [<c04255c3>] run_rebalance_domains+0x2e/0x9e
>                                    [<c042f806>] __do_softirq+0x84/0x10a
>                                    [<c0406f7e>] do_softirq+0x79/0xda
>                                    [<ffffffff>] 0xffffffff
>       }
>       ... key      at: [<c08a7248>] __key.32974+0x0/0x8
>       -> (&cpu_base->lock){++..} ops: 0 {
>          initial-use  at:
>                                      [<c044831f>] __lock_acquire+0x564/0xc18
>                                      [<c0448a3d>] lock_acquire+0x6a/0x90
>                                      [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                                      [<c043e4ae>] run_hrtimer_pending+0x10/0xfd
>                                      [<c043ea4f>] hrtimer_run_pending+0x132/0x13a
>                                      [<c0432ce3>] run_timer_softirq+0x1d/0x1a7
>                                      [<c042f806>] __do_softirq+0x84/0x10a
>                                      [<c0406f7e>] do_softirq+0x79/0xda
>                                      [<ffffffff>] 0xffffffff
>          in-hardirq-W at:
>                                      [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                      [<c0448a3d>] lock_acquire+0x6a/0x90
>                                      [<c066b2fa>] _spin_lock+0x1c/0x49
>                                      [<c043e7ef>] hrtimer_run_queues+0xf5/0x172
>                                      [<c04330f9>] run_local_timers+0x8/0x19
>                                      [<c043316e>] update_process_times+0x24/0x49
>                                      [<c0443c88>] tick_periodic+0x66/0x72
>                                      [<c0443cad>] tick_handle_periodic+0x19/0x68
>                                      [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                      [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                      [<c0508027>] __const_udelay+0x2f/0x31
>                                      [<c0665ed6>] native_cpu_up+0x331/0x6d0
>                                      [<c066781b>] _cpu_up+0x88/0xef
>                                      [<c06678cd>] cpu_up+0x4b/0x60
>                                      [<c07bd1a6>] kernel_init+0x8e/0x2dc
>                                      [<c040590f>] kernel_thread_helper+0x7/0x10
>                                      [<ffffffff>] 0xffffffff
>          in-softirq-W at:
>                                      [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                      [<c0448a3d>] lock_acquire+0x6a/0x90
>                                      [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                                      [<c043e4ae>] run_hrtimer_pending+0x10/0xfd
>                                      [<c043ea4f>] hrtimer_run_pending+0x132/0x13a
>                                      [<c0432ce3>] run_timer_softirq+0x1d/0x1a7
>                                      [<c042f806>] __do_softirq+0x84/0x10a
>                                      [<c0406f7e>] do_softirq+0x79/0xda
>                                      [<ffffffff>] 0xffffffff
>        }
>        ... key      at: [<c08c9258>] __key.18648+0x0/0x8
>       ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b405>] _spin_lock_irqsave+0x38/0x68
>   [<c043eb2c>] lock_hrtimer_base+0x18/0x33
>   [<c043ec76>] hrtimer_start+0x19/0x154
>   [<c0422ccb>] __enqueue_rt_entity+0x1e8/0x221
>   [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>   [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>   [<c041dd50>] enqueue_task+0x4c/0x58
>   [<c041dd7a>] activate_task+0x1e/0x32
>   [<c04221d7>] try_to_wake_up+0x17c/0x1be
>   [<c0422241>] wake_up_process+0xf/0x11
>   [<c0666cf2>] migration_call+0xb4/0x449
>   [<c07cfdab>] migration_init+0x38/0x45
>   [<c07bd161>] kernel_init+0x49/0x2dc
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>      ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>   [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>   [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>   [<c041dd50>] enqueue_task+0x4c/0x58
>   [<c041dd7a>] activate_task+0x1e/0x32
>   [<c04221d7>] try_to_wake_up+0x17c/0x1be
>   [<c0422241>] wake_up_process+0xf/0x11
>   [<c045b406>] __stop_machine_run+0x7a/0x95
>   [<c045b43d>] stop_machine_run+0x1c/0x38
>   [<c044fb28>] sys_init_module+0x1407/0x198f
>   [<c0404c76>] syscall_call+0x7/0xb
>   [<ffffffff>] 0xffffffff
>
>     ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0421cd4>] double_rq_lock+0x3b/0x6d
>   [<c0421d50>] __migrate_task+0x4a/0xbe
>   [<c0428049>] migration_thread+0x1ac/0x20b
>   [<c043bc3b>] kthread+0x3b/0x61
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>    ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0421a05>] task_rq_lock+0x49/0x73
>   [<c0422085>] try_to_wake_up+0x2a/0x1be
>   [<c0422224>] default_wake_function+0xb/0xd
>   [<c041e28b>] __wake_up_common+0x35/0x5b
>   [<c041e2c2>] __wake_up_locked+0x11/0x15
>   [<c04b6093>] ep_poll_callback+0x76/0xb4
>   [<c041e28b>] __wake_up_common+0x35/0x5b
>   [<c0420e8b>] __wake_up_sync+0x31/0x44
>   [<c05ef9fe>] sock_def_readable+0x38/0x63
>   [<c06536b6>] unix_stream_connect+0x32f/0x38d
>   [<c05ee329>] sys_connect+0x60/0x7d
>   [<c05ee968>] sys_socketcall+0x8c/0x188
>   [<c0404c76>] syscall_call+0x7/0xb
>   [<ffffffff>] 0xffffffff
>
>    -> (&rq->rq_lock_key#2){++..} ops: 0 {
>       initial-use  at:
>                                [<c044831f>] __lock_acquire+0x564/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b405>] _spin_lock_irqsave+0x38/0x68
>                                [<c0420d29>] rq_attach_root+0x13/0xc7
>                                [<c07d000e>] sched_init+0x256/0x3c0
>                                [<c07bd6eb>] start_kernel+0x115/0x316
>                                [<c07bd008>] __init_begin+0x8/0xa
>                                [<ffffffff>] 0xffffffff
>       in-hardirq-W at:
>                                [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c0428460>] scheduler_tick+0x3a/0x17e
>                                [<c0433187>] update_process_times+0x3d/0x49
>                                [<c0443c88>] tick_periodic+0x66/0x72
>                                [<c0443cad>] tick_handle_periodic+0x19/0x68
>                                [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                [<c04723ce>] __alloc_pages_internal+0xfa/0x3dd
>                                [<c04726c8>] __alloc_pages+0xa/0xc
>                                [<c048b45c>] __slab_alloc+0x184/0x4ea
>                                [<c048ba8d>] kmem_cache_alloc+0x63/0xc4
>                                [<c049f638>] d_alloc+0x1e/0x16f
>                                [<c0495b5a>] do_lookup+0x91/0x146
>                                [<c0497491>] __link_path_walk+0x33d/0xd3a
>                                [<c0497eda>] path_walk+0x4c/0x9b
>                                [<c04981c8>] do_path_lookup+0x198/0x1e1
>                                [<c049845d>] __path_lookup_intent_open+0x45/0x76
>                                [<c049849e>] path_lookup_open+0x10/0x12
>                                [<c0493da2>] open_exec+0x1f/0x99
>                                [<c04941fd>] do_execve+0x48/0x208
>                                [<c04034fb>] sys_execve+0x29/0x51
>                                [<c0404c76>] syscall_call+0x7/0xb
>                                [<ffffffff>] 0xffffffff
>       in-softirq-W at:
>                                [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c0428460>] scheduler_tick+0x3a/0x17e
>                                [<c0433187>] update_process_times+0x3d/0x49
>                                [<c0443c88>] tick_periodic+0x66/0x72
>                                [<c0443cad>] tick_handle_periodic+0x19/0x68
>                                [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                [<c042a506>] __put_task_struct+0x8e/0xad
>                                [<c042c2a7>] delayed_put_task_struct+0x1e/0x20
>                                [<c0468cdc>] __rcu_process_callbacks+0x180/0x1ef
>                                [<c0468d65>] rcu_process_callbacks+0x1a/0x33
>                                [<c042f806>] __do_softirq+0x84/0x10a
>                                [<c0406f7e>] do_softirq+0x79/0xda
>                                [<ffffffff>] 0xffffffff
>     }
>     ... key      at: [<c2ca90a0>] 0xc2ca90a0
>     -> (&rt_rq->rt_runtime_lock){++..} ops: 0 {
>        initial-use  at:
>                                  [<c044831f>] __lock_acquire+0x564/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c04230dc>] update_curr_rt+0x10c/0x409
>                                  [<c04234f0>] dequeue_task_rt+0xb/0x19
>                                  [<c041ddae>] deactivate_task+0x20/0x3c
>                                  [<c0668b44>] schedule+0x187/0x782
>                                  [<c0428016>] migration_thread+0x179/0x20b
>                                  [<c043bc3b>] kthread+0x3b/0x61
>                                  [<c040590f>] kernel_thread_helper+0x7/0x10
>                                  [<ffffffff>] 0xffffffff
>        in-hardirq-W at:
>                                  [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c0422e21>] sched_rt_period_timer+0xde/0x220
>                                  [<c043e610>] __run_hrtimer+0x5d/0x94
>                                  [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                  [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                  [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                  [<c052f6c7>] acpi_ds_terminate_control_method+0x60/0xad
>                                  [<c053cec4>] acpi_ps_parse_aml+0x14d/0x25c
>                                  [<c053e03f>] acpi_ps_execute_method+0x122/0x1e3
>                                  [<c053b347>] acpi_ns_evaluate+0x93/0xec
>                                  [<c054099a>] acpi_ut_evaluate_object+0x5d/0x163
>                                  [<c0540b11>] acpi_ut_execute_STA+0x1d/0x49
>                                  [<c053bc50>] acpi_get_object_info+0x128/0x1b6
>                                  [<c054d024>] container_walk_namespace_cb+0x23/0xae
>                                  [<c053c40a>] acpi_ns_walk_namespace+0x9a/0x110
>                                  [<c053ad4d>] acpi_walk_namespace+0x46/0x66
>                                  [<c07da74c>] acpi_container_init+0x36/0x3d
>                                  [<c07bd2b3>] kernel_init+0x19b/0x2dc
>                                  [<c040590f>] kernel_thread_helper+0x7/0x10
>                                  [<ffffffff>] 0xffffffff
>        in-softirq-W at:
>                                  [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c0422e21>] sched_rt_period_timer+0xde/0x220
>                                  [<c043e610>] __run_hrtimer+0x5d/0x94
>                                  [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                  [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                  [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                  [<c0406f7e>] do_softirq+0x79/0xda
>                                  [<ffffffff>] 0xffffffff
>      }
>      ... key      at: [<c08a7250>] __key.40934+0x0/0x8
>     ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c04230dc>] update_curr_rt+0x10c/0x409
>   [<c04234f0>] dequeue_task_rt+0xb/0x19
>   [<c041ddae>] deactivate_task+0x20/0x3c
>   [<c0668b44>] schedule+0x187/0x782
>   [<c0428016>] migration_thread+0x179/0x20b
>   [<c043bc3b>] kthread+0x3b/0x61
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>     -> (&rt_b->rt_runtime_lock){++..} ops: 0 {
>        initial-use  at:
>                                  [<c044831f>] __lock_acquire+0x564/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                  [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                  [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                  [<c041dd50>] enqueue_task+0x4c/0x58
>                                  [<c041dd7a>] activate_task+0x1e/0x32
>                                  [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                  [<c0422241>] wake_up_process+0xf/0x11
>                                  [<c0666cf2>] migration_call+0xb4/0x449
>                                  [<c07cfdab>] migration_init+0x38/0x45
>                                  [<c07bd161>] kernel_init+0x49/0x2dc
>                                  [<c040590f>] kernel_thread_helper+0x7/0x10
>                                  [<ffffffff>] 0xffffffff
>        in-hardirq-W at:
>                                  [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                  [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                  [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                  [<c041dd50>] enqueue_task+0x4c/0x58
>                                  [<c041dd7a>] activate_task+0x1e/0x32
>                                  [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                  [<c0422241>] wake_up_process+0xf/0x11
>                                  [<c0466b62>] softlockup_tick+0x9e/0x117
>                                  [<c0433108>] run_local_timers+0x17/0x19
>                                  [<c043316e>] update_process_times+0x24/0x49
>                                  [<c04449f2>] tick_sched_timer+0x6d/0xa5
>                                  [<c043e610>] __run_hrtimer+0x5d/0x94
>                                  [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                  [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                  [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                  [<c0440dbf>] do_gettimeofday+0x11/0x2a
>                                  [<c042ec95>] sys_gettimeofday+0x1d/0x58
>                                  [<c0404c76>] syscall_call+0x7/0xb
>                                  [<ffffffff>] 0xffffffff
>        in-softirq-W at:
>                                  [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                  [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                  [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                  [<c041dd50>] enqueue_task+0x4c/0x58
>                                  [<c041dd7a>] activate_task+0x1e/0x32
>                                  [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                  [<c0422241>] wake_up_process+0xf/0x11
>                                  [<c04254c0>] rebalance_domains+0x306/0x3db
>                                  [<c04255c3>] run_rebalance_domains+0x2e/0x9e
>                                  [<c042f806>] __do_softirq+0x84/0x10a
>                                  [<c0406f7e>] do_softirq+0x79/0xda
>                                  [<ffffffff>] 0xffffffff
>      }
>      ... key      at: [<c08a7248>] __key.32974+0x0/0x8
>      -> (&cpu_base->lock){++..} ops: 0 {
>         initial-use  at:
>                                    [<c044831f>] __lock_acquire+0x564/0xc18
>                                    [<c0448a3d>] lock_acquire+0x6a/0x90
>                                    [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                                    [<c043e4ae>] run_hrtimer_pending+0x10/0xfd
>                                    [<c043ea4f>] hrtimer_run_pending+0x132/0x13a
>                                    [<c0432ce3>] run_timer_softirq+0x1d/0x1a7
>                                    [<c042f806>] __do_softirq+0x84/0x10a
>                                    [<c0406f7e>] do_softirq+0x79/0xda
>                                    [<ffffffff>] 0xffffffff
>         in-hardirq-W at:
>                                    [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                    [<c0448a3d>] lock_acquire+0x6a/0x90
>                                    [<c066b2fa>] _spin_lock+0x1c/0x49
>                                    [<c043e7ef>] hrtimer_run_queues+0xf5/0x172
>                                    [<c04330f9>] run_local_timers+0x8/0x19
>                                    [<c043316e>] update_process_times+0x24/0x49
>                                    [<c0443c88>] tick_periodic+0x66/0x72
>                                    [<c0443cad>] tick_handle_periodic+0x19/0x68
>                                    [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                    [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                    [<c0508027>] __const_udelay+0x2f/0x31
>            re+0x6a/0x90
>   [<c066b405>] _spin_lock_irqsave+0x38/0x68
>   [<c043eb2c>] lock_hrtimer_base+0x18/0x33
>   [<c043ec76>] hrtimer_start+0x19/0x154
>   [<c0422ccb>] __enqueue_rt_entity+0x1e8/0x221
>   [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>   [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>   [<c041dd50>] enqueue_task+0x4c/0x58
>   [<c041dd7a>] activate_task+0x1e/0x32
>   [<c04221d7>] try_to_wake_up+0x17c/0x1be
>   [<c0422241>] wake_up_process+0xf/0x11
>   [<c0666cf2>] migration_call+0xb4/0x449
>   [<c07cfdab>] migration_init+0x38/0x45
>   [<c07bd161>] kernel_init+0x49/0x2dc
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>   ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>   [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>   [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>   [<c041dd50>] enqueue_task+0x4c/0x58
>   [<c041dd7a>] activate_task+0x1e/0x32
>   [<c04221d7>] try_to_wake_up+0x17c/0x1be
>   [<c0422241>] wake_up_process+0xf/0x11
>   [<c045b406>] __stop_machine_run+0x7a/0x95
>   [<c045b43d>] stop_machine_run+0x1c/0x38
>   [<c044fb28>] sys_init_module+0x1407/0x198f
>   [<c0404c76>] syscall_call+0x7/0xb
>   [<ffffffff>] 0xffffffff
>
>  ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0421a05>] task_rq_lock+0x49/0x73
>   [<c0422085>] try_to_wake_up+0x2a/0x1be
>   [<c0422230>] wake_up_state+0xa/0xc
>   [<c043494c>] signal_wake_up+0x27/0x35
>   [<c0434b02>] complete_signal+0x1a8/0x1cc
>   [<c0434d3c>] send_signal+0x216/0x22c
>   [<c0434f23>] __group_send_sig_info+0xa/0xc
>   [<c04351f3>] do_notify_parent+0x17e/0x1b7
>   [<c042dec1>] do_exit+0x6ae/0x784
>   [<c042dff5>] do_group_exit+0x5e/0x85
>   [<c042e02f>] sys_exit_group+0x13/0x15
>   [<c0404c76>] syscall_call+0x7/0xb
>   [<ffffffff>] 0xffffffff
>
>  -> (&tsk->delays->lock){....} ops: 0 {
>     initial-use  at:
>                            [<c044831f>] __lock_acquire+0x564/0xc18
>                            [<c0448a3d>] lock_acquire+0x6a/0x90
>                            [<c066b405>] _spin_lock_irqsave+0x38/0x68
>                            [<c046a45a>] delayacct_end+0x53/0x77
>                            [<c046a4b0>] __delayacct_blkio_end+0x32/0x38
>                            [<c06691ac>] io_schedule+0x6d/0x8a
>                            [<c046d2f2>] sync_page+0x3f/0x43
>                            [<c06694e1>] __wait_on_bit_lock+0x34/0x5e
>                            [<c046d29e>] __lock_page+0x78/0x81
>                            [<c046d874>] read_cache_page_async+0xa0/0x119
>                            [<c046d8f9>] read_cache_page+0xc/0x44
>                            [<c04c87e0>] read_dev_sector+0x34/0x6a
>                            [<c04ca219>] read_lba+0x69/0xc6
>                            [<c04ca4d1>] efi_partition+0xa3/0x676
>                            [<c04c8dcc>] rescan_partitions+0x10c/0x227
>                            [<c04b1be5>] do_open+0x221/0x2b5
>                            [<c04b1d45>] __blkdev_get+0x7b/0x86
>                            [<c04b1d5d>] blkdev_get+0xd/0xf
>                            [<c04c8909>] register_disk+0xf3/0x144
>                            [<c04fc9ca>] add_disk+0x34/0x79
>                            [<c058bd81>] sd_probe+0x2c6/0x366
>                            [<c057a52a>] driver_probe_device+0xa0/0x13c
>                            [<c057a62d>] __device_attach+0x8/0xa
>                            [<c0579cd5>] bus_for_each_drv+0x3f/0x69
>                            [<c057a69e>] device_attach+0x50/0x66
>                            [<c0579b4d>] bus_attach_device+0x24/0x4e
>                            [<c0578dc8>] device_add+0x29a/0x3cd
>                            [<c0588c3b>] scsi_sysfs_add_sdev+0xb6/0x200
>                            [<c05871a7>] scsi_probe_and_add_lun+0x8cc/0x9ae
>                            [<c0587eb9>] __scsi_add_device+0x85/0xab
>                            [<c0598804>] ata_scsi_scan_host+0x8a/0x212
>                            [<c0596659>] ata_host_register+0x1ec/0x1fc
>                            [<c05966fc>] ata_host_activate+0x93/0xb3
>                            [<f8b9daaf>] ahci_init_one+0x813/0x828 [ahci]
>                            [<c0513522>] pci_device_probe+0x39/0x59
>                            [<c057a52a>] driver_probe_device+0xa0/0x13c
>                            [<c057a603>] __driver_attach+0x3d/0x5f
>                            [<c0579f26>] bus_for_each_dev+0x3e/0x68
>                            [<c057a3c1>] driver_attach+0x14/0x16
>                            [<c057996d>] bus_add_driver+0xa3/0x1c3
>                            [<c057a795>] driver_register+0x84/0xe4
>                            [<c05136e8>] __pci_register_driver+0x43/0x6f
>                            [<f8852017>] 0xf8852017
>                            [<c044ff02>] sys_init_module+0x17e1/0x198f
>                            [<c0404c76>] syscall_call+0x7/0xb
>                            [<ffffffff>] 0xffffffff
>   }
>   ... key      at: [<c0af5378>] __key.21264+0x0/0x8
>  ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b405>] _spin_lock_irqsave+0x38/0x68
>   [<c046a35d>] __delayacct_add_tsk+0x175/0x206
>   [<c046ad7c>] taskstats_exit+0xdb/0x27b
>   [<c042da08>] do_exit+0x1f5/0x784
>   [<c042e044>] complete_and_exit+0x0/0x18
>   [<c0404c76>] syscall_call+0x7/0xb
>   [<ffffffff>] 0xffffffff
>
> ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0429e77>] copy_process+0xd34/0x1165
>   [<c042a367>] do_fork+0xbf/0x1d0
>   [<c04035f3>] kernel_thread+0x79/0x81
>   [<c043bb64>] kthreadd+0xad/0x149
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
> -> (&n->list_lock){++..} ops: 0 {
>    initial-use  at:
>                          [<c044831f>] __lock_acquire+0x564/0xc18
>                          [<c0448a3d>] lock_acquire+0x6a/0x90
>                          [<c066b2fa>] _spin_lock+0x1c/0x49
>                          [<c048a6e6>] unfreeze_slab+0x43/0x9c
>                          [<c048b3a0>] __slab_alloc+0xc8/0x4ea
>                          [<c048c120>] __kmalloc+0x9b/0xfc
>                          [<c048ca54>] kmem_cache_create+0x221/0x22d
>                          [<c07d4a47>] vfs_caches_init+0x63/0x105
>                          [<c07bd8b0>] start_kernel+0x2da/0x316
>                          [<c07bd008>] __init_begin+0x8/0xa
>                          [<ffffffff>] 0xffffffff
>    in-hardirq-W at:
>                          [<c0448264>] __lock_acquire+0x4a9/0xc18
>                          [<c0448a3d>] lock_acquire+0x6a/0x90
>                          [<c066b2fa>] _spin_lock+0x1c/0x49
>                          [<c048a6e6>] unfreeze_slab+0x43/0x9c
>                          [<c048b3a0>] __slab_alloc+0xc8/0x4ea
>                          [<c048c120>] __kmalloc+0x9b/0xfc
>                          [<c05df869>] hid_input_report+0x21e/0x492
>                          [<c05e5b28>] hid_irq_in+0x68/0x129
>                          [<c05b07b6>] usb_hcd_giveback_urb+0x63/0x93
>                          [<f885fd8c>] ehci_urb_done+0xdc/0xeb [ehci_hcd]
>                          [<f8860aab>] qh_completions+0x376/0x3fa [ehci_hcd]
>                          [<f8860db3>] ehci_work+0x284/0x7b7 [ehci_hcd]
>                          [<f8865fe5>] ehci_irq+0x25d/0x2bb [ehci_hcd]
>                          [<c05b041e>] usb_hcd_irq+0x40/0xa4
>                          [<c0466fc0>] handle_IRQ_event+0x1a/0x4f
>                          [<c0467f6a>] handle_fasteoi_irq+0x7d/0xb6
>                          [<c0407077>] do_IRQ+0x98/0xc5
>                          [<ffffffff>] 0xffffffff
>    in-softirq-W at:
>                          [<c0448288>] __lock_acquire+0x4cd/0xc18
>                          [<c0448a3d>] lock_acquire+0x6a/0x90
>                          [<c066b2fa>] _spin_lock+0x1c/0x49
>                          [<c048b965>] __slab_free+0x1a3/0x268
>                          [<c048cc83>] kmem_cache_free+0xa5/0xde
>                          [<c049e766>] d_callback+0x24/0x27
>                          [<c0468cdc>] __rcu_process_callbacks+0x180/0x1ef
>                          [<c0468d65>] rcu_process_callbacks+0x1a/0x33
>                          [<c042f806>] __do_softirq+0x84/0x10a
>                          [<c0406f7e>] do_softirq+0x79/0xda
>                          [<ffffffff>] 0xffffffff
>  }
>  ... key      at: [<c0b00f38>] __key.18128+0x0/0x8
> ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c048b965>] __slab_free+0x1a3/0x268
>   [<c048cc83>] kmem_cache_free+0xa5/0xde
>   [<c0428966>] __cleanup_signal+0x17/0x1a
>   [<c042cc96>] release_task+0x2d7/0x360
>   [<c042df2a>] do_exit+0x717/0x784
>   [<c0405915>] kernel_thread_helper+0xd/0x10
>   [<ffffffff>] 0xffffffff
>
> -> (&zone->lock){.+..} ops: 0 {
>    initial-use  at:
>                          [<c044831f>] __lock_acquire+0x564/0xc18
>                          [<c0448a3d>] lock_acquire+0x6a/0x90
>                          [<c066b2fa>] _spin_lock+0x1c/0x49
>                          [<c0470f93>] free_pages_bulk+0x1e/0x220
>                          [<c0471b32>] free_hot_cold_page+0x171/0x1e7
>                          [<c0471be6>] free_hot_page+0xa/0xc
>                          [<c0471c0d>] __free_pages+0x25/0x30
>                          [<c0471cbe>] __free_pages_bootmem+0x7b/0x7f
>                          [<c07d2c7f>] free_all_bootmem_core+0xd0/0x153
>                          [<c07d2d0f>] free_all_bootmem+0xd/0xf
>                          [<c07cf07e>] mem_init+0x82/0x339
>                          [<c07bd833>] start_kernel+0x25d/0x316
>                          [<c07bd008>] __init_begin+0x8/0xa
>                          [<ffffffff>] 0xffffffff
>    in-softirq-W at:
>                          [<c0448288>] __lock_acquire+0x4cd/0xc18
>                          [<c0448a3d>] lock_acquire+0x6a/0x90
>                          [<c066b2fa>] _spin_lock+0x1c/0x49
>                          [<c0471795>] __free_pages_ok+0x122/0x334
>                          [<c0471c16>] __free_pages+0x2e/0x30
>                          [<c048a669>] __free_slab+0xa7/0xaf
>                          [<c048a6a1>] discard_slab+0x30/0x32
>                          [<c048b872>] __slab_free+0xb0/0x268
>                          [<c048cc83>] kmem_cache_free+0xa5/0xde
>                          [<c0429140>] free_task+0x2c/0x2f
>                          [<c042a522>] __put_task_struct+0xaa/0xad
>                          [<c042c2a7>] delayed_put_task_struct+0x1e/0x20
>                          [<c0468cdc>] __rcu_process_callbacks+0x180/0x1ef
>                          [<c0468d65>] rcu_process_callbacks+0x1a/0x33
>                          [<c042f806>] __do_softirq+0x84/0x10a
>                          [<c0406f7e>] do_softirq+0x79/0xda
>                          [<ffffffff>] 0xffffffff
>  }
>  ... key      at: [<c0af7340>] __key.27464+0x0/0x8
> ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0471795>] __free_pages_ok+0x122/0x334
>   [<c0471c16>] __free_pages+0x2e/0x30
>   [<c048a669>] __free_slab+0xa7/0xaf
>   [<c048a6a1>] discard_slab+0x30/0x32
>   [<c048b872>] __slab_free+0xb0/0x268
>   [<c048cc83>] kmem_cache_free+0xa5/0xde
>   [<c0428966>] __cleanup_signal+0x17/0x1a
>   [<c042cc96>] release_task+0x2d7/0x360
>   [<c042d15b>] wait_consider_task+0x43c/0x746
>   [<c042d52e>] do_wait+0xc9/0x284
>   [<c042d767>] sys_wait4+0x7e/0x94
>   [<c042d790>] sys_waitpid+0x13/0x15
>   [<c0404c76>] syscall_call+0x7/0xb
>   [<ffffffff>] 0xffffffff
>
>
>the hard-read-irq-unsafe lock's dependencies:
>-> (&utrace->lock){--..} ops: 0 {
>   initial-use  at:
>                        [<c044831f>] __lock_acquire+0x564/0xc18
>                        [<c0448a3d>] lock_acquire+0x6a/0x90
>                        [<c066b2fa>] _spin_lock+0x1c/0x49
>                        [<c045d2df>] utrace_attach+0x33e/0x3ef
>                        [<c0431f13>] ptrace_attach_utrace+0x18/0x4f
>                        [<c043269f>] ptrace_traceme+0x14/0x12f
>                        [<c0432951>] sys_ptrace+0x17/0x82
>                        [<c0404c76>] syscall_call+0x7/0xb
>                        [<ffffffff>] 0xffffffff
>   softirq-on-W at:
>                        [<c044830a>] __lock_acquire+0x54f/0xc18
>                        [<c0448a3d>] lock_acquire+0x6a/0x90
>                        [<c066b2fa>] _spin_lock+0x1c/0x49
>                        [<c045d2df>] utrace_attach+0x33e/0x3ef
>                        [<c0431f13>] ptrace_attach_utrace+0x18/0x4f
>                        [<c043269f>] ptrace_traceme+0x14/0x12f
>                        [<c0432951>] sys_ptrace+0x17/0x82
>                        [<c0404c76>] syscall_call+0x7/0xb
>                        [<ffffffff>] 0xffffffff
>   hardirq-on-W at:
>                        [<c04482e9>] __lock_acquire+0x52e/0xc18
>                        [<c0448a3d>] lock_acquire+0x6a/0x90
>                        [<c066b2fa>] _spin_lock+0x1c/0x49
>                        [<c045d2df>] utrace_attach+0x33e/0x3ef
>                        [<c0431f13>] ptrace_attach_utrace+0x18/0x4f
>                        [<c043269f>] ptrace_traceme+0x14/0x12f
>                        [<c0432951>] sys_ptrace+0x17/0x82
>                        [<c0404c76>] syscall_call+0x7/0xb
>                        [<ffffffff>] 0xffffffff
> }
> ... key      at: [<c0aefe24>] __key.20716+0x0/0x8
> -> (&p->alloc_lock){--..} ops: 0 {
>    initial-use  at:
>                          [<c044831f>] __lock_acquire+0x564/0xc18
>                          [<c0448a3d>] lock_acquire+0x6a/0x90
>                          [<c066b2fa>] _spin_lock+0x1c/0x49
>                          [<c04935ab>] set_task_comm+0x1d/0x37
>                          [<c043bad3>] kthreadd+0x1c/0x149
>                          [<c040590f>] kernel_thread_helper+0x7/0x10
>                          [<ffffffff>] 0xffffffff
>    softirq-on-W at:
>                                      [<c04330f9>] run_local_timers+0x8/0x19
>                                    [<c043316e>] update_process_times+0x24/0x49
>                                    [<c0443c88>] tick_periodic+0x66/0x72
>                                    [<c0443cad>] tick_handle_periodic+0x19/0x68
>                                    [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                    [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                    [<c0508027>] __const_udelay+0x2f/0x31
>                                    [<c0665ed6>] native_cpu_up+0x331/0x6d0
>                                    [<c066781b>] _cpu_up+0x88/0xef
>                                    [<c06678cd>] cpu_up+0x4b/0x60
>                                    [<c07bd1a6>] kernel_init+0x8e/0x2dc
>                                    [<c040590f>] kernel_thread_helper+0x7/0x10
>                                    [<ffffffff>] 0xffffffff
>         in-softirq-W at:
>                                    [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                    [<c0448a3d>] lock_acquire+0x6a/0x90
>                                    [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                                    [<c043e4ae>] run_hrtimer_pending+0x10/0xfd
>                                    [<c043ea4f>] hrtimer_run_pending+0x132/0x13a
>                                    [<c0432ce3>] run_timer_softirq+0x1d/0x1a7
>                                    [<c042f806>] __do_softirq+0x84/0x10a
>                                    [<c0406f7e>] do_softirq+0x79/0xda
>                                    [<ffffffff>] 0xffffffff
>       }
>       ... key      at: [<c08c9258>] __key.18648+0x0/0x8
>      ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b405>] _spin_lock_irqsave+0x38/0x68
>   [<c043eb2c>] lock_hrtimer_base+0x18/0x33
>   [<c043ec76>] hrtimer_start+0x19/0x154
>   [<c0422ccb>] __enqueue_rt_entity+0x1e8/0x221
>   [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>   [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>   [<c041dd50>] enqueue_task+0x4c/0x58
>   [<c041dd7a>] activate_task+0x1e/0x32
>   [<c04221d7>] try_to_wake_up+0x17c/0x1be
>   [<c0422241>] wake_up_process+0xf/0x11
>   [<c0666cf2>] migration_call+0xb4/0x449
>   [<c07cfdab>] migration_init+0x38/0x45
>   [<c07bd161>] kernel_init+0x49/0x2dc
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>     ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>   [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>   [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>   [<c041dd50>] enqueue_task+0x4c/0x58
>   [<c041dd7a>] activate_task+0x1e/0x32
>   [<c04221d7>] try_to_wake_up+0x17c/0x1be
>   [<c0422241>] wake_up_process+0xf/0x11
>   [<c045b406>] __stop_machine_run+0x7a/0x95
>   [<c045b43d>] stop_machine_run+0x1c/0x38
>   [<c044fb28>] sys_init_module+0x1407/0x198f
>   [<c0404c76>] syscall_call+0x7/0xb
>   [<ffffffff>] 0xffffffff
>
>    ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0421cd4>] double_rq_lock+0x3b/0x6d
>   [<c0421d50>] __migrate_task+0x4a/0xbe
>   [<c0428049>] migration_thread+0x1ac/0x20b
>   [<c043bc3b>] kthread+0x3b/0x61
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>   ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0421a05>] task_rq_lock+0x49/0x73
>   [<c0422085>] try_to_wake_up+0x2a/0x1be
>   [<c0422224>] default_wake_function+0xb/0xd
>   [<c041e28b>] __wake_up_common+0x35/0x5b
>   [<c0420e47>] complete+0x2b/0x3e
>   [<c043bc1f>] kthread+0x1f/0x61
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>   -> (&rq->rq_lock_key#2){++..} ops: 0 {
>      initial-use  at:
>                              [<c044831f>] __lock_acquire+0x564/0xc18
>                              [<c0448a3d>] lock_acquire+0x6a/0x90
>                              [<c066b405>] _spin_lock_irqsave+0x38/0x68
>                              [<c0420d29>] rq_attach_root+0x13/0xc7
>                              [<c07d000e>] sched_init+0x256/0x3c0
>                              [<c07bd6eb>] start_kernel+0x115/0x316
>                              [<c07bd008>] __init_begin+0x8/0xa
>                              [<ffffffff>] 0xffffffff
>      in-hardirq-W at:
>                              [<c0448264>] __lock_acquire+0x4a9/0xc18
>                              [<c0448a3d>] lock_acquire+0x6a/0x90
>                              [<c066b2fa>] _spin_lock+0x1c/0x49
>                              [<c0428460>] scheduler_tick+0x3a/0x17e
>                              [<c0433187>] update_process_times+0x3d/0x49
>                              [<c0443c88>] tick_periodic+0x66/0x72
>                              [<c0443cad>] tick_handle_periodic+0x19/0x68
>                              [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                              [<c040576b>] apic_timer_interrupt+0x33/0x38
>                              [<c04723ce>] __alloc_pages_internal+0xfa/0x3dd
>                              [<c04726c8>] __alloc_pages+0xa/0xc
>                              [<c048b45c>] __slab_alloc+0x184/0x4ea
>                              [<c048ba8d>] kmem_cache_alloc+0x63/0xc4
>                              [<c049f638>] d_alloc+0x1e/0x16f
>                              [<c0495b5a>] do_lookup+0x91/0x146
>                              [<c0497491>] __link_path_walk+0x33d/0xd3a
>                              [<c0497eda>] path_walk+0x4c/0x9b
>                              [<c04981c8>] do_path_lookup+0x198/0x1e1
>                              [<c049845d>] __path_lookup_intent_open+0x45/0x76
>                              [<c049849e>] path_lookup_open+0x10/0x12
>                              [<c0493da2>] open_exec+0x1f/0x99
>                              [<c04941fd>] do_execve+0x48/0x208
>                              [<c04034fb>] sys_execve+0x29/0x51
>                              [<c0404c76>] syscall_call+0x7/0xb
>                              [<ffffffff>] 0xffffffff
>      in-softirq-W at:
>                              [<c0448288>] __lock_acquire+0x4cd/0xc18
>                              [<c0448a3d>] lock_acquire+0x6a/0x90
>                              [<c066b2fa>] _spin_lock+0x1c/0x49
>                              [<c0428460>] scheduler_tick+0x3a/0x17e
>                              [<c0433187>] update_process_times+0x3d/0x49
>                              [<c0443c88>] tick_periodic+0x66/0x72
>                              [<c0443cad>] tick_handle_periodic+0x19/0x68
>                              [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                              [<c040576b>] apic_timer_interrupt+0x33/0x38
>                              [<c042a506>] __put_task_struct+0x8e/0xad
>                              [<c042c2a7>] delayed_put_task_struct+0x1e/0x20
>                              [<c0468cdc>] __rcu_process_callbacks+0x180/0x1ef
>                              [<c0468d65>] rcu_process_callbacks+0x1a/0x33
>                              [<c042f806>] __do_softirq+0x84/0x10a
>                              [<c0406f7e>] do_softirq+0x79/0xda
>                              [<ffffffff>] 0xffffffff
>    }
>    ... key      at: [<c2ca90a0>] 0xc2ca90a0
>    -> (&rt_rq->rt_runtime_lock){++..} ops: 0 {
>       initial-use  at:
>                                [<c044831f>] __lock_acquire+0x564/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c04230dc>] update_curr_rt+0x10c/0x409
>                                [<c04234f0>] dequeue_task_rt+0xb/0x19
>                                [<c041ddae>] deactivate_task+0x20/0x3c
>                                [<c0668b44>] schedule+0x187/0x782
>                                [<c0428016>] migration_thread+0x179/0x20b
>                                [<c043bc3b>] kthread+0x3b/0x61
>                                [<c040590f>] kernel_thread_helper+0x7/0x10
>                                [<ffffffff>] 0xffffffff
>       in-hardirq-W at:
>                                [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c0422e21>] sched_rt_period_timer+0xde/0x220
>                                [<c043e610>] __run_hrtimer+0x5d/0x94
>                                [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                [<c052f6c7>] acpi_ds_terminate_control_method+0x60/0xad
>                                [<c053cec4>] acpi_ps_parse_aml+0x14d/0x25c
>                                [<c053e03f>] acpi_ps_execute_method+0x122/0x1e3
>                                [<c053b347>] acpi_ns_evaluate+0x93/0xec
>                                [<c054099a>] acpi_ut_evaluate_object+0x5d/0x163
>                                [<c0540b11>] acpi_ut_execute_STA+0x1d/0x49
>                                [<c053bc50>] acpi_get_object_info+0x128/0x1b6
>                                [<c054d024>] container_walk_namespace_cb+0x23/0xae
>                                [<c053c40a>] acpi_ns_walk_namespace+0x9a/0x110
>                                [<c053ad4d>] acpi_walk_namespace+0x46/0x66
>                                [<c07da74c>] acpi_container_init+0x36/0x3d
>                                [<c07bd2b3>] kernel_init+0x19b/0x2dc
>                                [<c040590f>] kernel_thread_helper+0x7/0x10
>                                [<ffffffff>] 0xffffffff
>       in-softirq-W at:
>                                [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c0422e21>] sched_rt_period_timer+0xde/0x220
>                                [<c043e610>] __run_hrtimer+0x5d/0x94
>                                [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                [<c0406f7e>] do_softirq+0x79/0xda
>                                [<ffffffff>] 0xffffffff
>     }
>     ... key      at: [<c08a7250>] __key.40934+0x0/0x8
>    ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c04230dc>] update_curr_rt+0x10c/0x409
>   [<c04234f0>] dequeue_task_rt+0xb/0x19
>   [<c041ddae>] deactivate_task+0x20/0x3c
>   [<c0668b44>] schedule+0x187/0x782
>   [<c0428016>] migration_thread+0x179/0x20b
>   [<c043bc3b>] kthread+0x3b/0x61
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>    -> (&rt_b->rt_runtime_lock){++..} ops: 0 {
>       initial-use  at:
>                                [<c044831f>] __lock_acquire+0x564/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                [<c041dd50>] enqueue_task+0x4c/0x58
>                                [<c041dd7a>] activate_task+0x1e/0x32
>                                [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                [<c0422241>] wake_up_process+0xf/0x11
>                                [<c0666cf2>] migration_call+0xb4/0x449
>                                [<c07cfdab>] migration_init+0x38/0x45
>                                [<c07bd161>] kernel_init+0x49/0x2dc
>                                [<c040590f>] kernel_thread_helper+0x7/0x10
>                                [<ffffffff>] 0xffffffff
>       in-hardirq-W at:
>                                [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                [<c041dd50>] enqueue_task+0x4c/0x58
>                                [<c041dd7a>] activate_task+0x1e/0x32
>                                [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                [<c0422241>] wake_up_process+0xf/0x11
>                                [<c0466b62>] softlockup_tick+0x9e/0x117
>                                [<c0433108>] run_local_timers+0x17/0x19
>                                [<c043316e>] update_process_times+0x24/0x49
>                                [<c04449f2>] tick_sched_timer+0x6d/0xa5
>                                [<c043e610>] __run_hrtimer+0x5d/0x94
>                                [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                [<c0440dbf>] do_gettimeofday+0x11/0x2a
>                                [<c042ec95>] sys_gettimeofday+0x1d/0x58
>                                [<c0404c76>] syscall_call+0x7/0xb
>                                [<ffffffff>] 0xffffffff
>       in-softirq-W at:
>                                [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                [<c041dd50>] enqueue_task+0x4c/0x58
>                                [<c041dd7a>] activate_task+0x1e/0x32
>                                [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                [<c0422241>] wake_up_process+0xf/0x11
>                                [<c04254c0>] rebalance_domains+0x306/0x3db
>                                [<c04255c3>] run_rebalance_domains+0x2e/0x9e
>                                [<c042f806>] __do_softirq+0x84/0x10a
>                                [<c0406f7e>] do_softirq+0x79/0xda
>                                [<ffffffff>] 0xffffffff
>     }
>     ... key      at: [<c08a7248>] __key.32974+0x0/0x8
>     -> (&cpu_base->lock){++..} ops: 0 {
>        initial-use  at:
>                                  [<c044831f>] __lock_acquire+0x564/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                                  [<c043e4ae>] run_hrtimer_pending+0x10/0xfd
>                                  [<c043ea4f>] hrtimer_run_pending+0x132/0x13a
>                                  [<c0432ce3>] run_timer_softirq+0x1d/0x1a7
>                                  [<c042f806>] __do_softirq+0x84/0x10a
>                                  [<c0406f7e>] do_softirq+0x79/0xda
>                                  [<ffffffff>] 0xffffffff
>        in-hardirq-W at:
>                                  [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c043e7ef>] hrtimer_run_queues+0xf5/0x172
>                                  [<c04330f9>] run_local_timers+0x8/0x19
>                                  [<c043316e>] update_process_times+0x24/0x49
>                                  [<c0443c88>] tick_periodic+0x66/0x72
>                                  [<c0443cad>] tick_handle_periodic+0x19/0x68
>                                  [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                  [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                  [<c0508027>] __const_udelay+0x2f/0x31
>                                  [<c0665ed6>] native_cpu_up+0x331/0x6d0
>                                  [<c066781b>] _cpu_up+0x88/0xef
>                                  [<c06678cd>] cpu_up+0x4b/0x60
>                                  [<c07bd1a6>] kernel_init+0x8e/0x2dc
>                                  [<c040590f>] kernel_thread_helper+0x7/0x10
>                                  [<ffffffff>] 0xffffffff
>        in-softirq-W at:
>                                  [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                                  [<c043e4ae>] run_hrtimer_pending+0x10/0xfd
>                                  [<c043ea4f>] hrtimer_run_pending+0x132/0x13a
>                                  [<c0432ce3>] run_timer_softirq+0x1d/0x1a7
>                                  [<c042f806>] __do_softirq+0x84/0x10a
>                                  [<c0406f7e>] do_softirq+0x79/0xda
>                                  [<ffffffff>] 0xffffffff
>      }
>      ... key      at: [<c08c9258>] __key.18648+0x0/0x8
>     ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b405>] _spin_lock_irqsave+0x38/0x68
>   [<c043eb2c>] lock_hrtimer_base+0x18/0x33
>   [<c043ec76>] hrtimer_start+0x19/0x154
>   [<c0422ccb>] __enqueue_rt_entity+0x1e8/0x221
>   [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>   [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>   [<c041dd50>] enqueue_task+0x4c/0x58
>   [<c041dd7a>] activate_task+0x1e/0x32
>   [<c04221d7>] try_to_wake_up+0x17c/0x1be
>   [<c0422241>] wake_up_process+0xf/0x11
>   [<c0666cf2>] migration_call+0xb4/0x449
>   [<c07cfdab>] migration_init+0x38/0x45
>   [<c07bd161>] kernel_init+0x49/0x2dc
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>    ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>   [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>   [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>   [<c041dd50>] enqueue_task+0x4c/0x58
>   [<c041dd7a>] activate_task+0x1e/0x32
>   [<c04221d7>] try_to_wake_up+0x17c/0x1be
>   [<c0422241>] wake_up_process+0xf/0x11
>   [<c045b406>] __stop_machine_run+0x7a/0x95
>   [<c045b43d>] stop_machine_run+0x1c/0x38
>   [<c044fb28>] sys_init_module+0x1407/0x198f
>   [<c0404c76>] syscall_call+0x7/0xb
>   [<ffffffff>] 0xffffffff
>
>   ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0421a05>] task_rq_lock+0x49/0x73
>   [<c0422085>] try_to_wake_up+0x2a/0x1be
>   [<c0422224>] default_wake_function+0xb/0xd
>   [<c043bea6>] autoremove_wake_function+0xf/0x33
>   [<c041e28b>] __wake_up_common+0x35/0x5b
>   [<c0420ec6>] __wake_up+0x28/0x3b
>   [<c0439025>] insert_work+0x49/0x4f
>   [<c04393da>] __queue_work+0x1f/0x2d
>   [<c0439454>] queue_work+0x3e/0x48
>   [<c0438b4d>] call_usermodehelper_exec+0x72/0xc0
>   [<c0504764>] kobject_uevent_env+0x2c0/0x2f0
>   [<c050479e>] kobject_uevent+0xa/0xc
>   [<c0503feb>] kset_register+0x2e/0x34
>   [<c057a0f5>] bus_register+0x8e/0x1dd
>   [<c07dda09>] platform_bus_init+0x1e/0x33
>   [<c07ddabe>] driver_init+0x1c/0x28
>   [<c07bd267>] kernel_init+0x14f/0x2dc
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>   -> (&ep->lock){....} ops: 0 {
>      initial-use  at:
>                              [<c044831f>] __lock_acquire+0x564/0xc18
>                              [<c0448a3d>] lock_acquire+0x6a/0x90
>                              [<c066b405>] _spin_lock_irqsave+0x38/0x68
>                              [<c04b630e>] sys_epoll_ctl+0x23d/0x401
>                              [<c0404c76>] syscall_call+0x7/0xb
>                              [<ffffffff>] 0xffffffff
>    }
>    ... key      at: [<c0b016fc>] __key.20597+0x0/0x8
>    -> (&rq->rq_lock_key){++..} ops: 0 {
>       initial-use  at:
>                                [<c044831f>] __lock_acquire+0x564/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b405>] _spin_lock_irqsave+0x38/0x68
>                                [<c0420d29>] rq_attach_root+0x13/0xc7
>                                [<c07d000e>] sched_init+0x256/0x3c0
>                                [<c07bd6eb>] start_kernel+0x115/0x316
>                                [<c07bd008>] __init_begin+0x8/0xa
>                                [<ffffffff>] 0xffffffff
>       in-hardirq-W at:
>                                [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c0428460>] scheduler_tick+0x3a/0x17e
>                                [<c0433187>] update_process_times+0x3d/0x49
>                                [<c0443c88>] tick_periodic+0x66/0x72
>                                [<c0443cad>] tick_handle_periodic+0x19/0x68
>                                [<c04070eb>] timer_interrupt+0x47/0x4e
>                                [<c0466fc0>] handle_IRQ_event+0x1a/0x4f
>                                [<c0468023>] handle_level_irq+0x80/0xc8
>                                [<c0407077>] do_IRQ+0x98/0xc5
>                                [<ffffffff>] 0xffffffff
>       in-softirq-W at:
>                                [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c0421a05>] task_rq_lock+0x49/0x73
>                                [<c0422085>] try_to_wake_up+0x2a/0x1be
>                                [<c0422241>] wake_up_process+0xf/0x11
>                                [<c0432fdf>] process_timeout+0x8/0xa
>                                [<c0432e0d>] run_timer_softirq+0x147/0x1a7
>                                [<c042f806>] __do_softirq+0x84/0x10a
>                                [<c0406f7e>] do_softirq+0x79/0xda
>                                [<ffffffff>] 0xffffffff
>     }
>     ... key      at: [<c2c560a0>] 0xc2c560a0
>     -> (&rt_b->rt_runtime_lock){++..} ops: 0 {
>        initial-use  at:
>                                  [<c044831f>] __lock_acquire+0x564/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                  [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                  [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                  [<c041dd50>] enqueue_task+0x4c/0x58
>                                  [<c041dd7a>] activate_task+0x1e/0x32
>                                  [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                  [<c0422241>] wake_up_process+0xf/0x11
>                                  [<c0666cf2>] migration_call+0xb4/0x449
>                                  [<c07cfdab>] migration_init+0x38/0x45
>                                  [<c07bd161>] kernel_init+0x49/0x2dc
>                                  [<c040590f>] kernel_thread_helper+0x7/0x10
>                                  [<ffffffff>] 0xffffffff
>        in-hardirq-W at:
>                                  [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                  [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                  [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                  [<c041dd50>] enqueue_task+0x4c/0x58
>                                  [<c041dd7a>] activate_task+0x1e/0x32
>                                  [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                  [<c0422241>] wake_up_process+0xf/0x11
>                                  [<c0466b62>] softlockup_tick+0x9e/0x117
>                                  [<c0433108>] run_local_timers+0x17/0x19
>                                  [<c043316e>] update_process_times+0x24/0x49
>                                  [<c04449f2>] tick_sched_timer+0x6d/0xa5
>                                  [<c043e610>] __run_hrtimer+0x5d/0x94
>                                  [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                  [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                  [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                  [<c0440dbf>] do_gettimeofday+0x11/0x2a
>                                  [<c042ec95>] sys_gettimeofday+0x1d/0x58
>                                  [<c0404c76>] syscall_call+0x7/0xb
>                                  [<ffffffff>] 0xffffffff
>        in-softirq-W at:
>                                  [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                  [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                  [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                  [<c041dd50>] enqueue_task+0x4c/0x58
>                                  [<c041dd7a>] activate_task+0x1e/0x32
>                                  [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                  [<c0422241>] wake_up_process+0xf/0x11
>                                  [<c04254c0>] rebalance_domains+0x306/0x3db
>                                  [<c04255c3>] run_rebalance_domains+0x2e/0x9e
>                                  [<c042f806>] __do_softirq+0x84/0x10a
>                                  [<c0406f7e>] do_softirq+0x79/0xda
>                                  [<ffffffff>] 0xffffffff
>      }
>      ... key      at: [<c08a7248>] __key.32974+0x0/0x8
>      -> (&cpu_base->lock){++..} ops: 0 {
>         initial-use  at:
>                                    [<c044831f>] __lock_acquire+0x564/0xc18
>                                    [<c0448a3d>] lock_acquire+0x6a/0x90
>                                    [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                                    [<c043e4ae>] run_hrtimer_pending+0x10/0xfd
>                                    [<c043ea4f>] hrtimer_run_pending+0x132/0x13a
>                                    [<c0432ce3>] run_timer_softirq+0x1d/0x1a7
>                                    [<c042f806>] __do_softirq+0x84/0x10a
>                                    [<c0406f7e>] do_softirq+0x79/0xda
>                                    [<ffffffff>] 0xffffffff
>         in-hardirq-W at:
>                                    [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                    [<c0448a3d>] lock_acquire+0x6a/0x90
>                                    [<c066b2fa>] _spin_lock+0x1c/0x49
>                                    [<c043e7ef>] hrtimer_run_queues+0xf5/0x172
>                                    [<c04330f9>] run_local_timers+0x8/0x19
>                                    [<c043316e>] update_process_times+0x24/0x49
>                                    [<c0443c88>] tick_periodic+0x66/0x72
>                                    [<c0443cad>] tick_handle_periodic+0x19/0x68
>                                    [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                    [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                    [<c0508027>] __const_udelay+0x2f/0x31
>                                    [<c0665ed6>] native_cpu_up+0x331/0x6d0
>                                    [<c066781b>] _cpu_up+0x88/0xef
>                                    [<c06678cd>] cpu_up+0x4b/0x60
>                                    [<c07bd1a6>] kernel_init+0x8e/0x2dc
>                                    [<c040590f>] kernel_thread_helper+0x7/0x10
>                                    [<ffffffff>] 0xffffffff
>         in-softirq-W at:
>                                    [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                    [<c0448a3d>] lock_acquire+0x6a/0x90
>                                    [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                                    [<c043e4ae>] run_hrtimer_pending+0x10/0xfd
>                                    [<c043ea4f>] hrtimer_run_pending+0x132/0x13a
>                                    [<c0432ce3>] run_timer_softirq+0x1d/0x1a7
>                                    [<c042f806>] __do_softirq+0x84/0x10a
>                                    [<c0406f7e>] do_softirq+0x79/0xda
>                                    [<ffffffff>] 0xffffffff
>       }
>       ... key      at: [<c08c9258>] __key.18648+0x0/0x8
>      ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b405>] _spin_lock_irqsave+0x38/0x68
>   [<c043eb2c>] lock_hrtimer_base+0x18/0x33
>   [<c043ec76>] hrtimer_start+0x19/0x154
>   [<c0422ccb>] __enqueue_rt_entity+0x1e8/0x221
>   [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>   [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>   [<c041dd50>] enqueue_task+0x4c/0x58
>   [<c041dd7a>] activate_task+0x1e/0x32
>   [<c04221d7>] try_to_wake_up+0x17c/0x1be
>   [<c0422241>] wake_up_process+0xf/0x11
>   [<c0666cf2>] migration_call+0xb4/0x449
>   [<c07cfdab>] migration_init+0x38/0x45
>   [<c07bd161>] kernel_init+0x49/0x2dc
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>     ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>   [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>   [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>   [<c041dd50>] enqueue_task+0x4c/0x58
>   [<c041dd7a>] activate_task+0x1e/0x32
>   [<c04221d7>] try_to_wake_up+0x17c/0x1be
>   [<c0422241>] wake_up_process+0xf/0x11
>   [<c0666cf2>] migration_call+0xb4/0x449
>   [<c07cfdab>] migration_init+0x38/0x45
>   [<c07bd161>] kernel_init+0x49/0x2dc
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>     -> (&rt_rq->rt_runtime_lock){++..} ops: 0 {
>        initial-use  at:
>                                  [<c044831f>] __lock_acquire+0x564/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c04230dc>] update_curr_rt+0x10c/0x409
>                                  [<c04234f0>] dequeue_task_rt+0xb/0x19
>                                  [<c041ddae>] deactivate_task+0x20/0x3c
>                                  [<c0668b44>] schedule+0x187/0x782
>                                  [<c0428016>] migration_thread+0x179/0x20b
>                                  [<c043bc3b>] kthread+0x3b/0x61
>                                  [<c040590f>] kernel_thread_helper+0x7/0x10
>                                  [<ffffffff>] 0xffffffff
>        in-hardirq-W at:
>                                  [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c0422e21>] sched_rt_period_timer+0xde/0x220
>                                  [<c043e610>] __run_hrtimer+0x5d/0x94
>                                  [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                  [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                  [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                  [<c052f6c7>] acpi_ds_terminate_control_method+0x60/0xad
>                                  [<c053cec4>] acpi_ps_parse_aml+0x14d/0x25c
>                                  [<c053e03f>] acpi_ps_execute_method+0x122/0x1e3
>                                  [<c053b347>] acpi_ns_evaluate+0x93/0xec
>                                  [<c054099a>] acpi_ut_evaluate_object+0x5d/0x163
>                                  [<c0540b11>] acpi_ut_execute_STA+0x1d/0x49
>                                  [<c053bc50>] acpi_get_object_info+0x128/0x1b6
>                                  [<c054d024>] container_walk_namespace_cb+0x23/0xae
>                                  [<c053c40a>] acpi_ns_walk_namespace+0x9a/0x110
>                                  [<c053ad4d>] acpi_walk_namespace+0x46/0x66
>                                  [<c07da74c>] acpi_container_init+0x36/0x3d
>                                  [<c07bd2b3>] kernel_init+0x19b/0x2dc
>                                  [<c040590f>] kernel_thread_helper+0x7/0x10
>                                  [<ffffffff>] 0xffffffff
>        in-softirq-W at:
>                                  [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c0422e21>] sched_rt_period_timer+0xde/0x220
>                                  [<c043e610>] __run_hrtimer+0x5d/0x94
>                                  [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                  [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                  [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                  [<c0406f7e>] do_softirq+0x79/0xda
>                                  [<ffffffff>] 0xffffffff
>      }
>      ... key      at: [<c08a7250>] __key.40934+0x0/0x8
>     ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c04230dc>] update_curr_rt+0x10c/0x409
>   [<c04234f0>] dequeue_task_rt+0xb/0x19
>   [<c041ddae>] deactivate_task+0x20/0x3c
>   [<c0668b44>] schedule+0x187/0x782
>   [<c0428016>] migration_thread+0x179/0x20b
>   [<c043bc3b>] kthread+0x3b/0x61
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>     -> (&rq->rq_lock_key#2){++..} ops: 0 {
>        initial-use  at:
>                                  [<c044831f>] __lock_acquire+0x564/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b405>] _spin_lock_irqsave+0x38/0x68
>                                  [<c0420d29>] rq_attach_root+0x13/0xc7
>                                  [<c07d000e>] sched_init+0x256/0x3c0
>                                  [<c07bd6eb>] start_kernel+0x115/0x316
>                                  [<c07bd008>] __init_begin+0x8/0xa
>                                  [<ffffffff>] 0xffffffff
>        in-hardirq-W at:
>                                  [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c0428460>] scheduler_tick+0x3a/0x17e
>                                  [<c0433187>] update_process_times+0x3d/0x49
>                                  [<c0443c88>] tick_periodic+0x66/0x72
>                                  [<c0443cad>] tick_handle_periodic+0x19/0x68
>                                  [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                  [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                  [<c04723ce>] __alloc_pages_internal+0xfa/0x3dd
>                                  [<c04726c8>] __alloc_pages+0xa/0xc
>                                  [<c048b45c>] __slab_alloc+0x184/0x4ea
>                                  [<c048ba8d>] kmem_cache_alloc+0x63/0xc4
>                                  [<c049f638>] d_alloc+0x1e/0x16f
>                                  [<c0495b5a>] do_lookup+0x91/0x146
>                                  [<c0497491>] __link_path_walk+0x33d/0xd3a
>                                  [<c0497eda>] path_walk+0x4c/0x9b
>                                  [<c04981c8>] do_path_lookup+0x198/0x1e1
>                                  [<c049845d>] __path_lookup_intent_open+0x45/0x76
>                                  [<c049849e>] path_lookup_open+0x10/0x12
>                                  [<c0493da2>] open_exec+0x1f/0x99
>                                  [<c04941fd>] do_execve+0x48/0x208
>                                  [<c04034fb>] sys_execve+0x29/0x51
>                                  [<c0404c76>] syscall_call+0x7/0xb
>                                  [<ffffffff>] 0xffffffff
>        in-softirq-W at:
>                                  [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c0428460>] scheduler_tick+0x3a/0x17e
>                                  [<c0433187>] update_process_times+0x3d/0x49
>                                  [<c0443c88>] tick_periodic+0x66/0x72
>                                  [<c0443cad>] tick_handle_periodic+0x19/0x68
>                                  [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                  [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                  [<c042a506>] __put_task_struct+0x8e/0xad
>                                  [<c042c2a7>] delayed_put_task_struct+0x1e/0x20
>                                  [<c0468cdc>] __rcu_process_callbacks+0x180/0x1ef
>                                  [<c0468d65>] rcu_process_callbacks+0x1a/0x33
>                                  [<c042f806>] __do_softirq+0x84/0x10a
>                                  [<c0406f7e>] do_softirq+0x79/0xda
>                                  [<ffffffff>] 0xffffffff
>      }
>      ... key      at: [<c2ca90a0>] 0xc2ca90a0
>      -> (&rt_rq->rt_runtime_lock){++..} ops: 0 {
>         initial-use  at:
>                                    [<c044831f>] __lock_acquire+0x564/0xc18
>                                    [<c0448a3d>] lock_acquire+0x6a/0x90
>                                    [<c066b2fa>] _spin_lock+0x1c/0x49
>                                    [<c04230dc>] update_curr_rt+0x10c/0x409
>                                    [<c04234f0>] dequeue_task_rt+0xb/0x19
>                                    [<c041ddae>] deactivate_task+0x20/0x3c
>                                    [<c0668b44>] schedule+0x187/0x782
>                                    [<c0428016>] migration_thread+0x179/0x20b
>                                    [<c043bc3b>] kthread+0x3b/0x61
>                                    [<c040590f>] kernel_thread_helper+0x7/0x10
>                                    [<ffffffff>] 0xffffffff
>         in-hardirq-W at:
>                                    [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                    [<c0448a3d>] lock_acquire+0x6a/0x90
>                                    [<c066b2fa>] _spin_lock+0x1c/0x49
>                                    [<c0422e21>] sched_rt_period_timer+0xde/0x220
>                                    [<c043e610>] __run_hrtimer+0x5d/0x94
>                                    [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                    [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                    [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                    [<c052f6c7>] acpi_ds_terminate_control_method+0x60/0xad
>                                    [<c053cec4>] acpi_ps_parse_aml+0x14d/0x25c
>                                    [<c053e03f>] acpi_ps_execute_method+0x122/0x1e3
>                                    [<c053b347>] acpi_ns_evaluate+0x93/0xec
>                                    [<c054099a>] acpi_ut_evaluate_object+0x5d/0x163
>                                    [<c0540b11>] acpi_ut_execute_STA+0x1d/0x49
>                                    [<c053bc50>] acpi_get_object_info+0x128/0x1b6
>                                    [<c054d024>] container_walk_namespace_cb+0x23/0xae
>                                    [<c053c40a>] acpi_ns_walk_namespace+0x9a/0x110
>                                    [<c053ad4d>] acpi_walk_namespace+0x46/0x66
>                                    [<c07da74c>] acpi_container_init+0x36/0x3d
>                                    [<c07bd2b3>] kernel_init+0x19b/0x2dc
>                                    [<c040590f>] kernel_thread_helper+0x7/0x10
>                                    [<ffffffff>] 0xffffffff
>         in-softirq-W at:
>                                    [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                    [<c0448a3d>] lock_acquire+0x6a/0x90
>                                    [<c066b2fa>] _spin_lock+0x1c/0x49
>                                    [<c0422e21>] sched_rt_period_timer+0xde/0x220
>                                    [<c043e610>] __run_hrtimer+0x5d/0x94
>                                    [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                    [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                    [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                    [<c0406f7e>] do_softirq+0x79/0xda
>                                    [<ffffffff>] 0xffffffff
>       }
>       ... key      at: [<c08a7250>] __key.40934+0x0/0x8
>      ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c04230dc>] update_curr_rt+0x10c/0x409
>   [<c04234f0>] dequeue_task_rt+0xb/0x19
>   [<c041ddae>] deactivate_task+0x20/0x3c
>   [<c0668b44>] schedule+0x187/0x782
>   [<c0428016>] migration_thread+0x179/0x20b
>   [<c043bc3b>] kthread+0x3b/0x61
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>      -> (&rt_b->rt_runtime_lock){++..} ops: 0 {
>         initial-use  at:
>                                    [<c044831f>] __lock_acquire+0x564/0xc18
>                                    [<c0448a3d>] lock_acquire+0x6a/0x90
>                                    [<c066b2fa>] _spin_lock+0x1c/0x49
>                                    [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                    [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                    [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                    [<c041dd50>] enqueue_task+0x4c/0x58
>                                    [<c041dd7a>] activate_task+0x1e/0x32
>                                    [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                    [<c0422241>] wake_up_process+0xf/0x11
>                                    [<c0666cf2>] migration_call+0xb4/0x449
>                                    [<c07cfdab>] migration_init+0x38/0x45
>                                    [<c07bd161>] kernel_init+0x49/0x2dc
>                                    [<c040590f>] kernel_thread_helper+0x7/0x10
>                                    [<ffffffff>] 0xffffffff
>         in-hardirq-W at:
>                                    [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                    [<c0448a3d>] lock_acquire+0x6a/0x90
>                                    [<c066b2fa>] _spin_lock+0x1c/0x49
>                                    [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                    [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                    [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                    [<c041dd50>] enqueue_task+0x4c/0x58
>                                    [<c041dd7a>] activate_task+0x1e/0x32
>                                    [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                    [<c0422241>] wake_up_process+0xf/0x11
>                                    [<c0466b62>] softlockup_tick+0x9e/0x117
>                                    [<c0433108>] run_local_timers+0x17/0x19
>                                    [<c043316e>] update_process_times+0x24/0x49
>                                    [<c04449f2>] tick_sched_timer+0x6d/0xa5
>                                    [<c043e610>] __run_hrtimer+0x5d/0x94
>                                    [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                    [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                    [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                    [<c0440dbf>] do_gettimeofday+0x11/0x2a
>                                    [<c042ec95>] sys_gettimeofday+0x1d/0x58
>                                    [<c0404c76>] syscall_call+0x7/0xb
>                                    [<ffffffff>] 0xffffffff
>         in-softirq-W at:
>                                    [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                    [<c0448a3d>] lock_acquire+0x6a/0x90
>                                    [<c066b2fa>] _spin_lock+0x1c/0x49
>                                    [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                    [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                    [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                    [<c041dd50>] enqueue_task+0x4c/0x58
>                                    [<c041dd7a>] activate_task+0x1e/0x32
>                                    [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                    [<c0422241>] wake_up_process+0xf/0x11
>                                    [<c04254c0>] rebalance_domains+0x306/0x3db
>                                    [<c04255c3>] run_rebalance_domains+0x2e/0x9e
>                                    [<c042f806>] __do_softirq+0x84/0x10a
>                                    [<c0406f7e>] do_softirq+0x79/0xda
>                                    [<ffffffff>] 0xffffffff
>       }
>       ... key      at: [<c08a7248>] __key.32974+0x0/0x8
>       -> (&cpu_base->lock){++..} ops: 0 {
>          initial-use  at:
>                                      [<c044831f>] __lock_acquire+0x564/0xc18
>                                      [<c0448a3d>] lock_acquire+0x6a/0x90
>                                      [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                                      [<c043e4ae>] run_hrtimer_pending+0x10/0xfd
>                                      [<c043ea4f>] hrtimer_run_pending+0x132/0x13a
>                                      [<c0432ce3>] run_timer_softirq+0x1d/0x1a7
>                                      [<c042f806>] __do_softirq+0x84/0x10a
>                                      [<c0406f7e>] do_softirq+0x79/0xda
>                                      [<ffffffff>] 0xffffffff
>          in-hardirq-W at:
>                                      [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                      [<c0448a3d>] lock_acquire+0x6a/0x90
>                                      [<c066b2fa>] _spin_lock+0x1c/0x49
>                                      [<c043e7ef>] hrtimer_run_queues+0xf5/0x172
>                                      [<c04330f9>] run_local_timers+0x8/0x19
>                                      [<c043316e>] update_process_times+0x24/0x49
>                                      [<c0443c88>] tick_periodic+0x66/0x72
>                                      [<c0443cad>] tick_handle_periodic+0x19/0x68
>                                      [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                      [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                      [<c0508027>] __const_udelay+0x2f/0x31
>                                      [<c0665ed6>] native_cpu_up+0x331/0x6d0
>                                      [<c066781b>] _cpu_up+0x88/0xef
>                                      [<c06678cd>] cpu_up+0x4b/0x60
>                                      [<c07bd1a6>] kernel_init+0x8e/0x2dc
>                                      [<c040590f>] kernel_thread_helper+0x7/0x10
>                                      [<ffffffff>] 0xffffffff
>          in-softirq-W at:
>                                      [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                      [<c0448a3d>] lock_acquire+0x6a/0x90
>                                      [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                                      [<c043e4ae>] run_hrtimer_pending+0x10/0xfd
>                                      [<c043ea4f>] hrtimer_run_pending+0x132/0x13a
>                                      [<c0432ce3>] run_timer_softirq+0x1d/0x1a7
>                                      [<c042f806>] __do_softirq+0x84/0x10a
>                                      [<c0406f7e>] do_softirq+0x79/0xda
>                                      [<ffffffff>] 0xffffffff
>        }
>        ... key      at: [<c08c9258>] __key.18648+0x0/0x8
>       ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b405>] _spin_lock_irqsave+0x38/0x68
>   [<c043eb2c>] lock_hrtimer_base+0x18/0x33
>   [<c043ec76>] hrtimer_start+0x19/0x154
>   [<c0422ccb>] __enqueue_rt_entity+0x1e8/0x221
>   [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>   [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>   [<c041dd50>] enqueue_task+0x4c/0x58
>   [<c041dd7a>] activate_task+0x1e/0x32
>   [<c04221d7>] try_to_wake_up+0x17c/0x1be
>   [<c0422241>] wake_up_process+0xf/0x11
>   [<c0666cf2>] migration_call+0xb4/0x449
>   [<c07cfdab>] migration_init+0x38/0x45
>   [<c07bd161>] kernel_init+0x49/0x2dc
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>      ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>   [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>   [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>   [<c041dd50>] enqueue_task+0x4c/0x58
>   [<c041dd7a>] activate_task+0x1e/0x32
>   [<c04221d7>] try_to_wake_up+0x17c/0x1be
>   [<c0422241>] wake_up_process+0xf/0x11
>   [<c045b406>] __stop_machine_run+0x7a/0x95
>   [<c045b43d>] stop_machine_run+0x1c/0x38
>   [<c044fb28>] sys_init_module+0x1407/0x198f
>   [<c0404c76>] syscall_call+0x7/0xb
>   [<ffffffff>] 0xffffffff
>
>     ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0421cd4>] double_rq_lock+0x3b/0x6d
>   [<c0421d50>] __migrate_task+0x4a/0xbe
>   [<c0428049>] migration_thread+0x1ac/0x20b
>   [<c043bc3b>] kthread+0x3b/0x61
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>    ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0421a05>] task_rq_lock+0x49/0x73
>   [<c0422085>] try_to_wake_up+0x2a/0x1be
>   [<c0422224>] default_wake_function+0xb/0xd
>   [<c041e28b>] __wake_up_common+0x35/0x5b
>   [<c041e2c2>] __wake_up_locked+0x11/0x15
>   [<c04b6093>] ep_poll_callback+0x76/0xb4
>   [<c041e28b>] __wake_up_common+0x35/0x5b
>   [<c0420e8b>] __wake_up_sync+0x31/0x44
>   [<c05ef9fe>] sock_def_readable+0x38/0x63
>   [<c06536b6>] unix_stream_connect+0x32f/0x38d
>   [<c05ee329>] sys_connect+0x60/0x7d
>   [<c05ee968>] sys_socketcall+0x8c/0x188
>   [<c0404c76>] syscall_call+0x7/0xb
>   [<ffffffff>] 0xffffffff
>
>    -> (&rq->rq_lock_key#2){++..} ops: 0 {
>       initial-use  at:
>                                [<c044831f>] __lock_acquire+0x564/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b405>] _spin_lock_irqsave+0x38/0x68
>                                [<c0420d29>] rq_attach_root+0x13/0xc7
>                                [<c07d000e>] sched_init+0x256/0x3c0
>                                [<c07bd6eb>] start_kernel+0x115/0x316
>                                [<c07bd008>] __init_begin+0x8/0xa
>                                [<ffffffff>] 0xffffffff
>       in-hardirq-W at:
>                                [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c0428460>] scheduler_tick+0x3a/0x17e
>                                [<c0433187>] update_process_times+0x3d/0x49
>                                [<c0443c88>] tick_periodic+0x66/0x72
>                                [<c0443cad>] tick_handle_periodic+0x19/0x68
>                                [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                [<c04723ce>] __alloc_pages_internal+0xfa/0x3dd
>                                [<c04726c8>] __alloc_pages+0xa/0xc
>                                [<c048b45c>] __slab_alloc+0x184/0x4ea
>                                [<c048ba8d>] kmem_cache_alloc+0x63/0xc4
>                                [<c049f638>] d_alloc+0x1e/0x16f
>                                [<c0495b5a>] do_lookup+0x91/0x146
>                                [<c0497491>] __link_path_walk+0x33d/0xd3a
>                                [<c0497eda>] path_walk+0x4c/0x9b
>                                [<c04981c8>] do_path_lookup+0x198/0x1e1
>                                [<c049845d>] __path_lookup_intent_open+0x45/0x76
>                                [<c049849e>] path_lookup_open+0x10/0x12
>                                [<c0493da2>] open_exec+0x1f/0x99
>                                [<c04941fd>] do_execve+0x48/0x208
>                                [<c04034fb>] sys_execve+0x29/0x51
>                                [<c0404c76>] syscall_call+0x7/0xb
>                                [<ffffffff>] 0xffffffff
>       in-softirq-W at:
>                                [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c0428460>] scheduler_tick+0x3a/0x17e
>                                [<c0433187>] update_process_times+0x3d/0x49
>                                [<c0443c88>] tick_periodic+0x66/0x72
>                                [<c0443cad>] tick_handle_periodic+0x19/0x68
>                                [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                [<c042a506>] __put_task_struct+0x8e/0xad
>                                [<c042c2a7>] delayed_put_task_struct+0x1e/0x20
>                                [<c0468cdc>] __rcu_process_callbacks+0x180/0x1ef
>                                [<c0468d65>] rcu_process_callbacks+0x1a/0x33
>                                [<c042f806>] __do_softirq+0x84/0x10a
>                                [<c0406f7e>] do_softirq+0x79/0xda
>                                [<ffffffff>] 0xffffffff
>     }
>     ... key      at: [<c2ca90a0>] 0xc2ca90a0
>     -> (&rt_rq->rt_runtime_lock){++..} ops: 0 {
>        initial-use  at:
>                                  [<c044831f>] __lock_acquire+0x564/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c04230dc>] update_curr_rt+0x10c/0x409
>                                  [<c04234f0>] dequeue_task_rt+0xb/0x19
>                                  [<c041ddae>] deactivate_task+0x20/0x3c
>                                  [<c0668b44>] schedule+0x187/0x782
>                                  [<c0428016>] migration_thread+0x179/0x20b
>                                  [<c043bc3b>] kthread+0x3b/0x61
>                                  [<c040590f>] kernel_thread_helper+0x7/0x10
>                                  [<ffffffff>] 0xffffffff
>        in-hardirq-W at:
>                                  [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c0422e21>] sched_rt_period_timer+0xde/0x220
>                                  [<c043e610>] __run_hrtimer+0x5d/0x94
>                                  [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                  [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                  [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                  [<c052f6c7>] acpi_ds_terminate_control_method+0x60/0xad
>                                  [<c053cec4>] acpi_ps_parse_aml+0x14d/0x25c
>                                  [<c053e03f>] acpi_ps_execute_method+0x122/0x1e3
>                                  [<c053b347>] acpi_ns_evaluate+0x93/0xec
>                                  [<c054099a>] acpi_ut_evaluate_object+0x5d/0x163
>                                  [<c0540b11>] acpi_ut_execute_STA+0x1d/0x49
>                                  [<c053bc50>] acpi_get_object_info+0x128/0x1b6
>                                  [<c054d024>] container_walk_namespace_cb+0x23/0xae
>                                  [<c053c40a>] acpi_ns_walk_namespace+0x9a/0x110
>                                  [<c053ad4d>] acpi_walk_namespace+0x46/0x66
>                                  [<c07da74c>] acpi_container_init+0x36/0x3d
>                                  [<c07bd2b3>] kernel_init+0x19b/0x2dc
>                                  [<c040590f>] kernel_thread_helper+0x7/0x10
>                                  [<ffffffff>] 0xffffffff
>        in-softirq-W at:
>                                  [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c0422e21>] sched_rt_period_timer+0xde/0x220
>                                  [<c043e610>] __run_hrtimer+0x5d/0x94
>                                  [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                  [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                  [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                  [<c0406f7e>] do_softirq+0x79/0xda
>                                  [<ffffffff>] 0xffffffff
>      }
>      ... key      at: [<c08a7250>] __key.40934+0x0/0x8
>     ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c04230dc>] update_curr_rt+0x10c/0x409
>   [<c04234f0>] dequeue_task_rt+0xb/0x19
>   [<c041ddae>] deactivate_task+0x20/0x3c
>   [<c0668b44>] schedule+0x187/0x782
>   [<c0428016>] migration_thread+0x179/0x20b
>   [<c043bc3b>] kthread+0x3b/0x61
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>     -> (&rt_b->rt_runtime_lock){++..} ops: 0 {
>        initial-use  at:
>                                  [<c044831f>] __lock_acquire+0x564/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                  [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                  [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                  [<c041dd50>] enqueue_task+0x4c/0x58
>                                  [<c041dd7a>] activate_task+0x1e/0x32
>                                  [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                  [<c0422241>] wake_up_process+0xf/0x11
>                                  [<c0666cf2>] migration_call+0xb4/0x449
>                                  [<c07cfdab>] migration_init+0x38/0x45
>                                  [<c07bd161>] kernel_init+0x49/0x2dc
>                                  [<c040590f>] kernel_thread_helper+0x7/0x10
>                                  [<ffffffff>] 0xffffffff
>        in-hardirq-W at:
>                                  [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                  [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                  [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                  [<c041dd50>] enqueue_task+0x4c/0x58
>                                  [<c041dd7a>] activate_task+0x1e/0x32
>                                  [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                  [<c0422241>] wake_up_process+0xf/0x11
>                                  [<c0466b62>] softlockup_tick+0x9e/0x117
>                                  [<c0433108>] run_local_timers+0x17/0x19
>                                  [<c043316e>] update_process_times+0x24/0x49
>                                  [<c04449f2>] tick_sched_timer+0x6d/0xa5
>                                  [<c043e610>] __run_hrtimer+0x5d/0x94
>                                  [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                  [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                  [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                  [<c0440dbf>] do_gettimeofday+0x11/0x2a
>                                  [<c042ec95>] sys_gettimeofday+0x1d/0x58
>                                  [<c0404c76>] syscall_call+0x7/0xb
>                                  [<ffffffff>] 0xffffffff
>        in-softirq-W at:
>                                  [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                  [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                  [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                  [<c041dd50>] enqueue_task+0x4c/0x58
>                                  [<c041dd7a>] activate_task+0x1e/0x32
>                                  [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                  [<c0422241>] wake_up_process+0xf/0x11
>                                  [<c04254c0>] rebalance_domains+0x306/0x3db
>                                  [<c04255c3>] run_rebalance_domains+0x2e/0x9e
>                                  [<c042f806>] __do_softirq+0x84/0x10a
>                                  [<c0406f7e>] do_softirq+0x79/0xda
>                                  [<ffffffff>] 0xffffffff
>      }
>      ... key      at: [<c08a7248>] __key.32974+0x0/0x8
>      -> (&cpu_base->lock){++..} ops: 0 {
>         initial-use  at:
>                                    [<c044831f>] __lock_acquire+0x564/0xc18
>                                    [<c0448a3d>] lock_acquire+0x6a/0x90
>                                    [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                                    [<c043e4ae>] run_hrtimer_pending+0x10/0xfd
>                                    [<c043ea4f>] hrtimer_run_pending+0x132/0x13a
>                                    [<c0432ce3>] run_timer_softirq+0x1d/0x1a7
>                                    [<c042f806>] __do_softirq+0x84/0x10a
>                                    [<c0406f7e>] do_softirq+0x79/0xda
>                                    [<ffffffff>] 0xffffffff
>         in-hardirq-W at:
>                                    [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                    [<c0448a3d>] lock_acquire+0x6a/0x90
>                                    [<c066b2fa>] _spin_lock+0x1c/0x49
>                                    [<c043e7ef>] hrtimer_run_queues+0xf5/0x172
>                                    [<c04330f9>] run_local_timers+0x8/0x19
>                                    [<c043316e>] update_process_times+0x24/0x49
>                                    [<c0443c88>] tick_periodic+0x66/0x72
>                                    [<c0443cad>] tick_handle_periodic+0x19/0x68
>                                    [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                    [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                    [<c0508027>] __const_udelay+0x2f/0x31
>                                    [<c0665ed6>] native_cpu_up+0x331/0x6d0
>                                    [<c066781b>] _cpu_up+0x88/0xef
>                                    [<c06678cd>] cpu_up+0x4b/0x60
>                                    [<c07bd1a6>] kernel_init+0x8e/0x2dc
>                                    [<c040590f>] kernel_thread_helper+0x7/0x10
>                                    [<ffffffff>] 0xffffffff
>         in-softirq-W at:
>                                    [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                    [<c0448a3d>] lock_acquire+0x6a/0x90
>                                    [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                                    [<c043e4ae>] run_hrtimer_pending+0x10/0xfd
>                                    [<c043ea4f>] hrtimer_run_pending+0x132/0x13a
>                                    [<c0432ce3>] run_timer_softirq+0x1d/0x1a7
>                                    [<c042f806>] __do_softirq+0x84/0x10a
>                                    [<c0406f7e>] do_softirq+0x79/0xda
>                                    [<ffffffff>] 0xffffffff
>       }
>       ... key      at: [<c08c9258>] __key.18648+0x0/0x8
>      ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b405>] _spin_lock_irqsave+0x38/0x68
>   [<c043eb2c>] lock_hrtimer_base+0x18/0x33
>   [<c043ec76>] hrtimer_start+0x19/0x154
>   [<c0422ccb>] __enqueue_rt_entity+0x1e8/0x221
>   [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>   [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>   [<c041dd50>] enqueue_task+0x4c/0x58
>   [<c041dd7a>] activate_task+0x1e/0x32
>   [<c04221d7>] try_to_wake_up+0x17c/0x1be
>   [<c0422241>] wake_up_process+0xf/0x11
>   [<c0666cf2>] migration_call+0xb4/0x449
>   [<c07cfdab>] migration_init+0x38/0x45
>   [<c07bd161>] kernel_init+0x49/0x2dc
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>     ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>   [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>   [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>   [<c041dd50>] enqueue_task+0x4c/0x58
>   [<c041dd7a>] activate_task+0x1e/0x32
>   [<c04221d7>] try_to_wake_up+0x17c/0x1be
>   [<c0422241>] wake_up_process+0xf/0x11
>   [<c045b406>] __stop_machine_run+0x7a/0x95
>   [<c045b43d>] stop_machine_run+0x1c/0x38
>   [<c044fb28>] sys_init_module+0x1407/0x198f
>   [<c0404c76>] syscall_call+0x7/0xb
>   [<ffffffff>] 0xffffffff
>
>    ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0421a05>] task_rq_lock+0x49/0x73
>   [<c0422085>] try_to_wake_up+0x2a/0x1be
>   [<c0422224>] default_wake_function+0xb/0xd
>   [<c041e28b>] __wake_up_common+0x35/0x5b
>   [<c041e2c2>] __wake_up_locked+0x11/0x15
>   [<c04b6093>] ep_poll_callback+0x76/0xb4
>   [<c041e28b>] __wake_up_common+0x35/0x5b
>   [<c0420e8b>] __wake_up_sync+0x31/0x44
>   [<c0652b56>] unix_write_space+0x49/0x74
>   [<c05f0251>] sock_wfree+0x25/0x3a
>   [<c05f341d>] skb_release_all+0x50/0xa5
>   [<c05f2b91>] __kfree_skb+0xb/0x66
>   [<c05f2c1a>] kfree_skb+0x2e/0x30
>   [<c06525df>] unix_stream_recvmsg+0x392/0x4a8
>   [<c05ed3a6>] sock_aio_read+0x107/0x115
>   [<c048f1d1>] do_sync_read+0xab/0xe9
>   [<c048fb65>] vfs_read+0x98/0x12b
>   [<c048fc91>] sys_read+0x3b/0x60
>   [<c0404c76>] syscall_call+0x7/0xb
>   [<ffffffff>] 0xffffffff
>
>   ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b405>] _spin_lock_irqsave+0x38/0x68
>   [<c04b6033>] ep_poll_callback+0x16/0xb4
>   [<c041e28b>] __wake_up_common+0x35/0x5b
>   [<c0420e8b>] __wake_up_sync+0x31/0x44
>   [<c05ef9fe>] sock_def_readable+0x38/0x63
>   [<c06536b6>] unix_stream_connect+0x32f/0x38d
>   [<c05ee329>] sys_connect+0x60/0x7d
>   [<c05ee968>] sys_socketcall+0x8c/0x188
>   [<c0404c76>] syscall_call+0x7/0xb
>   [<ffffffff>] 0xffffffff
>
>  ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b405>] _spin_lock_irqsave+0x38/0x68
>   [<c0420e73>] __wake_up_sync+0x19/0x44
>   [<c0435211>] do_notify_parent+0x19c/0x1b7
>   [<c042dec1>] do_exit+0x6ae/0x784
>   [<c0438abc>] call_usermodehelper_freeinfo+0x0/0x1f
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>  -> (pidmap_lock){....} ops: 0 {
>     initial-use  at:
>                            [<c044831f>] __lock_acquire+0x564/0xc18
>                            [<c0448a3d>] lock_acquire+0x6a/0x90
>                            [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                            [<c0439f2b>] alloc_pid+0x229/0x2ea
>                            [<c0429c87>] copy_process+0xb44/0x1165
>                            [<c042a367>] do_fork+0xbf/0x1d0
>                            [<c04035f3>] kernel_thread+0x79/0x81
>                            [<c065b128>] rest_init+0x14/0x50
>                            [<c07bd8e7>] start_kernel+0x311/0x316
>                            [<c07bd008>] __init_begin+0x8/0xa
>                            [<ffffffff>] 0xffffffff
>   }
>   ... key      at: [<c07adc90>] pidmap_lock+0x10/0x80
>  ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b405>] _spin_lock_irqsave+0x38/0x68
>   [<c043a005>] free_pid+0x19/0x8b
>   [<c043a17d>] detach_pid+0x5d/0x61
>   [<c042cb9c>] release_task+0x1dd/0x360
>   [<c042df2a>] do_exit+0x717/0x784
>   [<c0438abc>] call_usermodehelper_freeinfo+0x0/0x1f
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>  -> (&tty->ctrl_lock){....} ops: 0 {
>     initial-use  at:
>                            [<c044831f>] __lock_acquire+0x564/0xc18
>                            [<c0448a3d>] lock_acquire+0x6a/0x90
>                            [<c066b405>] _spin_lock_irqsave+0x38/0x68
>                            [<c0555a09>] __proc_set_tty+0x1e/0xa6
>                            [<c0558762>] tty_open+0x22a/0x282
>                            [<c0491a64>] chrdev_open+0x119/0x135
>                            [<c048dd19>] __dentry_open+0x159/0x251
>                            [<c048de98>] nameidata_to_filp+0x1f/0x33
>                            [<c0499194>] do_filp_open+0x348/0x6c8
>                            [<c048dadf>] do_sys_open+0x40/0xb6
>                            [<c048db97>] sys_open+0x1e/0x26
>                            [<c0404c76>] syscall_call+0x7/0xb
>                            [<ffffffff>] 0xffffffff
>   }
>   ... key      at: [<c0b9f5a0>] __key.23603+0x0/0x8
>  ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b405>] _spin_lock_irqsave+0x38/0x68
>   [<c0555a09>] __proc_set_tty+0x1e/0xa6
>   [<c0558762>] tty_open+0x22a/0x282
>   [<c0491a64>] chrdev_open+0x119/0x135
>   [<c048dd19>] __dentry_open+0x159/0x251
>   [<c048de98>] nameidata_to_filp+0x1f/0x33
>   [<c0499194>] do_filp_open+0x348/0x6c8
>   [<c048dadf>] do_sys_open+0x40/0xb6
>   [<c048db97>] sys_open+0x1e/0x26
>   [<c0404c76>] syscall_call+0x7/0xb
>   [<ffffffff>] 0xffffffff
>
>  -> (&cpu_base->lock){++..} ops: 0 {
>     initial-use  at:
>                            [<c044831f>] __lock_acquire+0x564/0xc18
>                            [<c0448a3d>] lock_acquire+0x6a/0x90
>                            [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                            [<c043e4ae>] run_hrtimer_pending+0x10/0xfd
>                            [<c043ea4f>] hrtimer_run_pending+0x132/0x13a
>                            [<c0432ce3>] run_timer_softirq+0x1d/0x1a7
>                            [<c042f806>] __do_softirq+0x84/0x10a
>                            [<c0406f7e>] do_softirq+0x79/0xda
>                            [<ffffffff>] 0xffffffff
>     in-hardirq-W at:
>                            [<c0448264>] __lock_acquire+0x4a9/0xc18
>                            [<c0448a3d>] lock_acquire+0x6a/0x90
>                            [<c066b2fa>] _spin_lock+0x1c/0x49
>                            [<c043e7ef>] hrtimer_run_queues+0xf5/0x172
>                            [<c04330f9>] run_local_timers+0x8/0x19
>                            [<c043316e>] update_process_times+0x24/0x49
>                            [<c0443c88>] tick_periodic+0x66/0x72
>                            [<c0443cad>] tick_handle_periodic+0x19/0x68
>                            [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                            [<c040576b>] apic_timer_interrupt+0x33/0x38
>                            [<c0508027>] __const_udelay+0x2f/0x31
>                            [<c0665ed6>] native_cpu_up+0x331/0x6d0
>                            [<c066781b>] _cpu_up+0x88/0xef
>                            [<c06678cd>] cpu_up+0x4b/0x60
>                            [<c07bd1a6>] kernel_init+0x8e/0x2dc
>                            [<c040590f>] kernel_thread_helper+0x7/0x10
>                            [<ffffffff>] 0xffffffff
>     in-softirq-W at:
>                            [<c0448288>] __lock_acquire+0x4cd/0xc18
>                            [<c0448a3d>] lock_acquire+0x6a/0x90
>                            [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                            [<c043e4ae>] run_hrtimer_pending+0x10/0xfd
>                            [<c043ea4f>] hrtimer_run_pending+0x132/0x13a
>                            [<c0432ce3>] run_timer_softirq+0x1d/0x1a7
>                            [<c042f806>] __do_softirq+0x84/0x10a
>                            [<c0406f7e>] do_softirq+0x79/0xda
>                            [<ffffffff>] 0xffffffff
>   }
>   ... key      at: [<c08c9258>] __key.18648+0x0/0x8
>  ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b405>] _spin_lock_irqsave+0x38/0x68
>   [<c043eb2c>] lock_hrtimer_base+0x18/0x33
>   [<c043eb5a>] hrtimer_get_remaining+0x13/0x37
>   [<c042e067>] itimer_get_remtime+0xb/0x30
>   [<c042e10d>] do_setitimer+0x81/0x2fc
>   [<c042e42e>] alarm_setitimer+0x35/0x54
>   [<c0433044>] sys_alarm+0xb/0xd
>   [<c0404c76>] syscall_call+0x7/0xb
>   [<ffffffff>] 0xffffffff
>
>  -> (&rq->rq_lock_key){++..} ops: 0 {
>     initial-use  at:
>                            [<c044831f>] __lock_acquire+0x564/0xc18
>                            [<c0448a3d>] lock_acquire+0x6a/0x90
>                            [<c066b405>] _spin_lock_irqsave+0x38/0x68
>                            [<c0420d29>] rq_attach_root+0x13/0xc7
>                            [<c07d000e>] sched_init+0x256/0x3c0
>                            [<c07bd6eb>] start_kernel+0x115/0x316
>                            [<c07bd008>] __init_begin+0x8/0xa
>                            [<ffffffff>] 0xffffffff
>     in-hardirq-W at:
>                            [<c0448264>] __lock_acquire+0x4a9/0xc18
>                            [<c0448a3d>] lock_acquire+0x6a/0x90
>                            [<c066b2fa>] _spin_lock+0x1c/0x49
>                            [<c0428460>] scheduler_tick+0x3a/0x17e
>                            [<c0433187>] update_process_times+0x3d/0x49
>                            [<c0443c88>] tick_periodic+0x66/0x72
>                            [<c0443cad>] tick_handle_periodic+0x19/0x68
>                            [<c04070eb>] timer_interrupt+0x47/0x4e
>                            [<c0466fc0>] handle_IRQ_event+0x1a/0x4f
>                            [<c0468023>] handle_level_irq+0x80/0xc8
>                            [<c0407077>] do_IRQ+0x98/0xc5
>                            [<ffffffff>] 0xffffffff
>     in-softirq-W at:
>                            [<c0448288>] __lock_acquire+0x4cd/0xc18
>                            [<c0448a3d>] lock_acquire+0x6a/0x90
>                            [<c066b2fa>] _spin_lock+0x1c/0x49
>                            [<c0421a05>] task_rq_lock+0x49/0x73
>                            [<c0422085>] try_to_wake_up+0x2a/0x1be
>                            [<c0422241>] wake_up_process+0xf/0x11
>                            [<c0432fdf>] process_timeout+0x8/0xa
>                            [<c0432e0d>] run_timer_softirq+0x147/0x1a7
>                            [<c042f806>] __do_softirq+0x84/0x10a
>                            [<c0406f7e>] do_softirq+0x79/0xda
>                            [<ffffffff>] 0xffffffff
>   }
>   ... key      at: [<c2c560a0>] 0xc2c560a0
>   -> (&rt_b->rt_runtime_lock){++..} ops: 0 {
>      initial-use  at:
>                              [<c044831f>] __lock_acquire+0x564/0xc18
>                              [<c0448a3d>] lock_acquire+0x6a/0x90
>                              [<c066b2fa>] _spin_lock+0x1c/0x49
>                              [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                              [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                              [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                              [<c041dd50>] enqueue_task+0x4c/0x58
>                              [<c041dd7a>] activate_task+0x1e/0x32
>                              [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                              [<c0422241>] wake_up_process+0xf/0x11
>                              [<c0666cf2>] migration_call+0xb4/0x449
>                              [<c07cfdab>] migration_init+0x38/0x45
>                              [<c07bd161>] kernel_init+0x49/0x2dc
>                              [<c040590f>] kernel_thread_helper+0x7/0x10
>                              [<ffffffff>] 0xffffffff
>      in-hardirq-W at:
>                              [<c0448264>] __lock_acquire+0x4a9/0xc18
>                              [<c0448a3d>] lock_acquire+0x6a/0x90
>                              [<c066b2fa>] _spin_lock+0x1c/0x49
>                              [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                              [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                              [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                              [<c041dd50>] enqueue_task+0x4c/0x58
>                              [<c041dd7a>] activate_task+0x1e/0x32
>                              [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                              [<c0422241>] wake_up_process+0xf/0x11
>                              [<c0466b62>] softlockup_tick+0x9e/0x117
>                              [<c0433108>] run_local_timers+0x17/0x19
>                              [<c043316e>] update_process_times+0x24/0x49
>                              [<c04449f2>] tick_sched_timer+0x6d/0xa5
>                              [<c043e610>] __run_hrtimer+0x5d/0x94
>                              [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                              [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                              [<c040576b>] apic_timer_interrupt+0x33/0x38
>                              [<c0440dbf>] do_gettimeofday+0x11/0x2a
>                              [<c042ec95>] sys_gettimeofday+0x1d/0x58
>                              [<c0404c76>] syscall_call+0x7/0xb
>                              [<ffffffff>] 0xffffffff
>      in-softirq-W at:
>                              [<c0448288>] __lock_acquire+0x4cd/0xc18
>                              [<c0448a3d>] lock_acquire+0x6a/0x90
>                              [<c066b2fa>] _spin_lock+0x1c/0x49
>                              [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                              [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                              [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                              [<c041dd50>] enqueue_task+0x4c/0x58
>                              [<c041dd7a>] activate_task+0x1e/0x32
>                              [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                              [<c0422241>] wake_up_process+0xf/0x11
>                              [<c04254c0>] rebalance_domains+0x306/0x3db
>                              [<c04255c3>] run_rebalance_domains+0x2e/0x9e
>                              [<c042f806>] __do_softirq+0x84/0x10a
>                              [<c0406f7e>] do_softirq+0x79/0xda
>                              [<ffffffff>] 0xffffffff
>    }
>    ... key      at: [<c08a7248>] __key.32974+0x0/0x8
>    -> (&cpu_base->lock){++..} ops: 0 {
>       initial-use  at:
>                                [<c044831f>] __lock_acquire+0x564/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                                [<c043e4ae>] run_hrtimer_pending+0x10/0xfd
>                                [<c043ea4f>] hrtimer_run_pending+0x132/0x13a
>                                [<c0432ce3>] run_timer_softirq+0x1d/0x1a7
>                                [<c042f806>] __do_softirq+0x84/0x10a
>                                [<c0406f7e>] do_softirq+0x79/0xda
>                                [<ffffffff>] 0xffffffff
>       in-hardirq-W at:
>                                [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c043e7ef>] hrtimer_run_queues+0xf5/0x172
>                                [<c04330f9>] run_local_timers+0x8/0x19
>                                [<c043316e>] update_process_times+0x24/0x49
>                                [<c0443c88>] tick_periodic+0x66/0x72
>                                [<c0443cad>] tick_handle_periodic+0x19/0x68
>                                [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                [<c0508027>] __const_udelay+0x2f/0x31
>                                [<c0665ed6>] native_cpu_up+0x331/0x6d0
>                                [<c066781b>] _cpu_up+0x88/0xef
>                                [<c06678cd>] cpu_up+0x4b/0x60
>                                [<c07bd1a6>] kernel_init+0x8e/0x2dc
>                                [<c040590f>] kernel_thread_helper+0x7/0x10
>                                [<ffffffff>] 0xffffffff
>       in-softirq-W at:
>                                [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                                [<c043e4ae>] run_hrtimer_pending+0x10/0xfd
>                                [<c043ea4f>] hrtimer_run_pending+0x132/0x13a
>                                [<c0432ce3>] run_timer_softirq+0x1d/0x1a7
>                                [<c042f806>] __do_softirq+0x84/0x10a
>                                [<c0406f7e>] do_softirq+0x79/0xda
>                                [<ffffffff>] 0xffffffff
>     }
>     ... key      at: [<c08c9258>] __key.18648+0x0/0x8
>    ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b405>] _spin_lock_irqsave+0x38/0x68
>   [<c043eb2c>] lock_hrtimer_base+0x18/0x33
>   [<c043ec76>] hrtimer_start+0x19/0x154
>   [<c0422ccb>] __enqueue_rt_entity+0x1e8/0x221
>   [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>   [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>   [<c041dd50>] enqueue_task+0x4c/0x58
>   [<c041dd7a>] activate_task+0x1e/0x32
>   [<c04221d7>] try_to_wake_up+0x17c/0x1be
>   [<c0422241>] wake_up_process+0xf/0x11
>   [<c0666cf2>] migration_call+0xb4/0x449
>   [<c07cfdab>] migration_init+0x38/0x45
>   [<c07bd161>] kernel_init+0x49/0x2dc
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>   ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>   [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>   [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>   [<c041dd50>] enqueue_task+0x4c/0x58
>   [<c041dd7a>] activate_task+0x1e/0x32
>   [<c04221d7>] try_to_wake_up+0x17c/0x1be
>   [<c0422241>] wake_up_process+0xf/0x11
>   [<c0666cf2>] migration_call+0xb4/0x449
>   [<c07cfdab>] migration_init+0x38/0x45
>   [<c07bd161>] kernel_init+0x49/0x2dc
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>   -> (&rt_rq->rt_runtime_lock){++..} ops: 0 {
>      initial-use  at:
>                              [<c044831f>] __lock_acquire+0x564/0xc18
>                              [<c0448a3d>] lock_acquire+0x6a/0x90
>                              [<c066b2fa>] _spin_lock+0x1c/0x49
>                              [<c04230dc>] update_curr_rt+0x10c/0x409
>                              [<c04234f0>] dequeue_task_rt+0xb/0x19
>                              [<c041ddae>] deactivate_task+0x20/0x3c
>                              [<c0668b44>] schedule+0x187/0x782
>                              [<c0428016>] migration_thread+0x179/0x20b
>                              [<c043bc3b>] kthread+0x3b/0x61
>                              [<c040590f>] kernel_thread_helper+0x7/0x10
>                              [<ffffffff>] 0xffffffff
>      in-hardirq-W at:
>                              [<c0448264>] __lock_acquire+0x4a9/0xc18
>                              [<c0448a3d>] lock_acquire+0x6a/0x90
>                              [<c066b2fa>] _spin_lock+0x1c/0x49
>                              [<c0422e21>] sched_rt_period_timer+0xde/0x220
>                              [<c043e610>] __run_hrtimer+0x5d/0x94
>                              [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                              [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                              [<c040576b>] apic_timer_interrupt+0x33/0x38
>                              [<c052f6c7>] acpi_ds_terminate_control_method+0x60/0xad
>                              [<c053cec4>] acpi_ps_parse_aml+0x14d/0x25c
>                              [<c053e03f>] acpi_ps_execute_method+0x122/0x1e3
>                              [<c053b347>] acpi_ns_evaluate+0x93/0xec
>                              [<c054099a>] acpi_ut_evaluate_object+0x5d/0x163
>                              [<c0540b11>] acpi_ut_execute_STA+0x1d/0x49
>                              [<c053bc50>] acpi_get_object_info+0x128/0x1b6
>                              [<c054d024>] container_walk_namespace_cb+0x23/0xae
>                              [<c053c40a>] acpi_ns_walk_namespace+0x9a/0x110
>                              [<c053ad4d>] acpi_walk_namespace+0x46/0x66
>                              [<c07da74c>] acpi_container_init+0x36/0x3d
>                              [<c07bd2b3>] kernel_init+0x19b/0x2dc
>                              [<c040590f>] kernel_thread_helper+0x7/0x10
>                              [<ffffffff>] 0xffffffff
>      in-softirq-W at:
>                              [<c0448288>] __lock_acquire+0x4cd/0xc18
>                              [<c0448a3d>] lock_acquire+0x6a/0x90
>                              [<c066b2fa>] _spin_lock+0x1c/0x49
>                              [<c0422e21>] sched_rt_period_timer+0xde/0x220
>                              [<c043e610>] __run_hrtimer+0x5d/0x94
>                              [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                              [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                              [<c040576b>] apic_timer_interrupt+0x33/0x38
>                              [<c0406f7e>] do_softirq+0x79/0xda
>                              [<ffffffff>] 0xffffffff
>    }
>    ... key      at: [<c08a7250>] __key.40934+0x0/0x8
>   ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c04230dc>] update_curr_rt+0x10c/0x409
>   [<c04234f0>] dequeue_task_rt+0xb/0x19
>   [<c041ddae>] deactivate_task+0x20/0x3c
>   [<c0668b44>] schedule+0x187/0x782
>   [<c0428016>] migration_thread+0x179/0x20b
>   [<c043bc3b>] kthread+0x3b/0x61
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>   -> (&rq->rq_lock_key#2){++..} ops: 0 {
>      initial-use  at:
>                              [<c044831f>] __lock_acquire+0x564/0xc18
>                              [<c0448a3d>] lock_acquire+0x6a/0x90
>                              [<c066b405>] _spin_lock_irqsave+0x38/0x68
>                              [<c0420d29>] rq_attach_root+0x13/0xc7
>                              [<c07d000e>] sched_init+0x256/0x3c0
>                              [<c07bd6eb>] start_kernel+0x115/0x316
>                              [<c07bd008>] __init_begin+0x8/0xa
>                              [<ffffffff>] 0xffffffff
>      in-hardirq-W at:
>                              [<c0448264>] __lock_acquire+0x4a9/0xc18
>                              [<c0448a3d>] lock_acquire+0x6a/0x90
>                              [<c066b2fa>] _spin_lock+0x1c/0x49
>                              [<c0428460>] scheduler_tick+0x3a/0x17e
>                              [<c0433187>] update_process_times+0x3d/0x49
>                              [<c0443c88>] tick_periodic+0x66/0x72
>                              [<c0443cad>] tick_handle_periodic+0x19/0x68
>                              [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                              [<c040576b>] apic_timer_interrupt+0x33/0x38
>                              [<c04723ce>] __alloc_pages_internal+0xfa/0x3dd
>                              [<c04726c8>] __alloc_pages+0xa/0xc
>                              [<c048b45c>] __slab_alloc+0x184/0x4ea
>                              [<c048ba8d>] kmem_cache_alloc+0x63/0xc4
>                              [<c049f638>] d_alloc+0x1e/0x16f
>                              [<c0495b5a>] do_lookup+0x91/0x146
>                              [<c0497491>] __link_path_walk+0x33d/0xd3a
>                              [<c0497eda>] path_walk+0x4c/0x9b
>                              [<c04981c8>] do_path_lookup+0x198/0x1e1
>                              [<c049845d>] __path_lookup_intent_open+0x45/0x76
>                              [<c049849e>] path_lookup_open+0x10/0x12
>                              [<c0493da2>] open_exec+0x1f/0x99
>                              [<c04941fd>] do_execve+0x48/0x208
>                              [<c04034fb>] sys_execve+0x29/0x51
>                              [<c0404c76>] syscall_call+0x7/0xb
>                              [<ffffffff>] 0xffffffff
>      in-softirq-W at:
>                              [<c0448288>] __lock_acquire+0x4cd/0xc18
>                              [<c0448a3d>] lock_acquire+0x6a/0x90
>                              [<c066b2fa>] _spin_lock+0x1c/0x49
>                              [<c0428460>] scheduler_tick+0x3a/0x17e
>                              [<c0433187>] update_process_times+0x3d/0x49
>                              [<c0443c88>] tick_periodic+0x66/0x72
>                              [<c0443cad>] tick_handle_periodic+0x19/0x68
>                              [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                              [<c040576b>] apic_timer_interrupt+0x33/0x38
>                              [<c042a506>] __put_task_struct+0x8e/0xad
>                              [<c042c2a7>] delayed_put_task_struct+0x1e/0x20
>                              [<c0468cdc>] __rcu_process_callbacks+0x180/0x1ef
>                              [<c0468d65>] rcu_process_callbacks+0x1a/0x33
>                              [<c042f806>] __do_softirq+0x84/0x10a
>                              [<c0406f7e>] do_softirq+0x79/0xda
>                              [<ffffffff>] 0xffffffff
>    }
>    ... key      at: [<c2ca90a0>] 0xc2ca90a0
>    -> (&rt_rq->rt_runtime_lock){++..} ops: 0 {
>       initial-use  at:
>                                [<c044831f>] __lock_acquire+0x564/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c04230dc>] update_curr_rt+0x10c/0x409
>                                [<c04234f0>] dequeue_task_rt+0xb/0x19
>                                [<c041ddae>] deactivate_task+0x20/0x3c
>                                [<c0668b44>] schedule+0x187/0x782
>                                [<c0428016>] migration_thread+0x179/0x20b
>                                [<c043bc3b>] kthread+0x3b/0x61
>                                [<c040590f>] kernel_thread_helper+0x7/0x10
>                                [<ffffffff>] 0xffffffff
>       in-hardirq-W at:
>                                [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c0422e21>] sched_rt_period_timer+0xde/0x220
>                                [<c043e610>] __run_hrtimer+0x5d/0x94
>                                [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                [<c052f6c7>] acpi_ds_terminate_control_method+0x60/0xad
>                                [<c053cec4>] acpi_ps_parse_aml+0x14d/0x25c
>                                [<c053e03f>] acpi_ps_execute_method+0x122/0x1e3
>                                [<c053b347>] acpi_ns_evaluate+0x93/0xec
>                                [<c054099a>] acpi_ut_evaluate_object+0x5d/0x163
>                                [<c0540b11>] acpi_ut_execute_STA+0x1d/0x49
>                                [<c053bc50>] acpi_get_object_info+0x128/0x1b6
>                                [<c054d024>] container_walk_namespace_cb+0x23/0xae
>                                [<c053c40a>] acpi_ns_walk_namespace+0x9a/0x110
>                                [<c053ad4d>] acpi_walk_namespace+0x46/0x66
>                                [<c07da74c>] acpi_container_init+0x36/0x3d
>                                [<c07bd2b3>] kernel_init+0x19b/0x2dc
>                                [<c040590f>] kernel_thread_helper+0x7/0x10
>                                [<ffffffff>] 0xffffffff
>       in-softirq-W at:
>                                [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c0422e21>] sched_rt_period_timer+0xde/0x220
>                                [<c043e610>] __run_hrtimer+0x5d/0x94
>                                [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                [<c0406f7e>] do_softirq+0x79/0xda
>                                [<ffffffff>] 0xffffffff
>     }
>     ... key      at: [<c08a7250>] __key.40934+0x0/0x8
>    ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c04230dc>] update_curr_rt+0x10c/0x409
>   [<c04234f0>] dequeue_task_rt+0xb/0x19
>   [<c041ddae>] deactivate_task+0x20/0x3c
>   [<c0668b44>] schedule+0x187/0x782
>   [<c0428016>] migration_thread+0x179/0x20b
>   [<c043bc3b>] kthread+0x3b/0x61
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>    -> (&rt_b->rt_runtime_lock){++..} ops: 0 {
>       initial-use  at:
>                                [<c044831f>] __lock_acquire+0x564/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                [<c041dd50>] enqueue_task+0x4c/0x58
>                                [<c041dd7a>] activate_task+0x1e/0x32
>                                [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                [<c0422241>] wake_up_process+0xf/0x11
>                                [<c0666cf2>] migration_call+0xb4/0x449
>                                [<c07cfdab>] migration_init+0x38/0x45
>                                [<c07bd161>] kernel_init+0x49/0x2dc
>                                [<c040590f>] kernel_thread_helper+0x7/0x10
>                                [<ffffffff>] 0xffffffff
>       in-hardirq-W at:
>                                [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                [<c041dd50>] enqueue_task+0x4c/0x58
>                                [<c041dd7a>] activate_task+0x1e/0x32
>                                [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                [<c0422241>] wake_up_process+0xf/0x11
>                                [<c0466b62>] softlockup_tick+0x9e/0x117
>                                [<c0433108>] run_local_timers+0x17/0x19
>                                [<c043316e>] update_process_times+0x24/0x49
>                                [<c04449f2>] tick_sched_timer+0x6d/0xa5
>                                [<c043e610>] __run_hrtimer+0x5d/0x94
>                                [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                                [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                [<c0440dbf>] do_gettimeofday+0x11/0x2a
>                                [<c042ec95>] sys_gettimeofday+0x1d/0x58
>                                [<c0404c76>] syscall_call+0x7/0xb
>                                [<ffffffff>] 0xffffffff
>       in-softirq-W at:
>                                [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                                [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                                [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                                [<c041dd50>] enqueue_task+0x4c/0x58
>                                [<c041dd7a>] activate_task+0x1e/0x32
>                                [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                                [<c0422241>] wake_up_process+0xf/0x11
>                                [<c04254c0>] rebalance_domains+0x306/0x3db
>                                [<c04255c3>] run_rebalance_domains+0x2e/0x9e
>                                [<c042f806>] __do_softirq+0x84/0x10a
>                                [<c0406f7e>] do_softirq+0x79/0xda
>                                [<ffffffff>] 0xffffffff
>     }
>     ... key      at: [<c08a7248>] __key.32974+0x0/0x8
>     -> (&cpu_base->lock){++..} ops: 0 {
>        initial-use  at:
>                                  [<c044831f>] __lock_acquire+0x564/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                                  [<c043e4ae>] run_hrtimer_pending+0x10/0xfd
>                                  [<c043ea4f>] hrtimer_run_pending+0x132/0x13a
>                                  [<c0432ce3>] run_timer_softirq+0x1d/0x1a7
>                                  [<c042f806>] __do_softirq+0x84/0x10a
>                                  [<c0406f7e>] do_softirq+0x79/0xda
>                                  [<ffffffff>] 0xffffffff
>        in-hardirq-W at:
>                                  [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b2fa>] _spin_lock+0x1c/0x49
>                                  [<c043e7ef>] hrtimer_run_queues+0xf5/0x172
>                                  [<c04330f9>] run_local_timers+0x8/0x19
>                                  [<c043316e>] update_process_times+0x24/0x49
>                                  [<c0443c88>] tick_periodic+0x66/0x72
>                                  [<c0443cad>] tick_handle_periodic+0x19/0x68
>                                  [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                  [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                  [<c0508027>] __const_udelay+0x2f/0x31
>                                  [<c0665ed6>] native_cpu_up+0x331/0x6d0
>                                  [<c066781b>] _cpu_up+0x88/0xef
>                                  [<c06678cd>] cpu_up+0x4b/0x60
>                                  [<c07bd1a6>] kernel_init+0x8e/0x2dc
>                                  [<c040590f>] kernel_thread_helper+0x7/0x10
>                                  [<ffffffff>] 0xffffffff
>        in-softirq-W at:
>                                  [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                  [<c0448a3d>] lock_acquire+0x6a/0x90
>                                  [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                                  [<c043e4ae>] run_hrtimer_pending+0x10/0xfd
>                                  [<c043ea4f>] hrtimer_run_pending+0x132/0x13a
>                                  [<c0432ce3>] run_timer_softirq+0x1d/0x1a7
>                                  [<c042f806>] __do_softirq+0x84/0x10a
>                                  [<c0406f7e>] do_softirq+0x79/0xda
>                                  [<ffffffff>] 0xffffffff
>      }
>      ... key      at: [<c08c9258>] __key.18648+0x0/0x8
>     ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b405>] _spin_lock_irqsave+0x38/0x68
>   [<c043eb2c>] lock_hrtimer_base+0x18/0x33
>   [<c043ec76>] hrtimer_start+0x19/0x154
>   [<c0422ccb>] __enqueue_rt_entity+0x1e8/0x221
>   [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>   [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>   [<c041dd50>] enqueue_task+0x4c/0x58
>   [<c041dd7a>] activate_task+0x1e/0x32
>   [<c04221d7>] try_to_wake_up+0x17c/0x1be
>   [<c0422241>] wake_up_process+0xf/0x11
>   [<c0666cf2>] migration_call+0xb4/0x449
>   [<c07cfdab>] migration_init+0x38/0x45
>   [<c07bd161>] kernel_init+0x49/0x2dc
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>    ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>   [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>   [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>   [<c041dd50>] enqueue_task+0x4c/0x58
>   [<c041dd7a>] activate_task+0x1e/0x32
>   [<c04221d7>] try_to_wake_up+0x17c/0x1be
>   [<c0422241>] wake_up_process+0xf/0x11
>   [<c045b406>] __stop_machine_run+0x7a/0x95
>   [<c045b43d>] stop_machine_run+0x1c/0x38
>   [<c044fb28>] sys_init_module+0x1407/0x198f
>   [<c0404c76>] syscall_call+0x7/0xb
>   [<ffffffff>] 0xffffffff
>
>   ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0421cd4>] double_rq_lock+0x3b/0x6d
>   [<c0421d50>] __migrate_task+0x4a/0xbe
>   [<c0428049>] migration_thread+0x1ac/0x20b
>   [<c043bc3b>] kthread+0x3b/0x61
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>  ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0421a05>] task_rq_lock+0x49/0x73
>   [<c0422085>] try_to_wake_up+0x2a/0x1be
>   [<c0422230>] wake_up_state+0xa/0xc
>   [<c043494c>] signal_wake_up+0x27/0x35
>   [<c0434b02>] complete_signal+0x1a8/0x1cc
>   [<c0434d3c>] send_signal+0x216/0x22c
>   [<c0434f23>] __group_send_sig_info+0xa/0xc
>   [<c04351f3>] do_notify_parent+0x17e/0x1b7
>   [<c042dec1>] do_exit+0x6ae/0x784
>   [<c042dff5>] do_group_exit+0x5e/0x85
>   [<c042e02f>] sys_exit_group+0x13/0x15
>   [<c0404c76>] syscall_call+0x7/0xb
>   [<ffffffff>] 0xffffffff
>
>  -> (&rq->rq_lock_key#2){++..} ops: 0 {
>     initial-use  at:
>                            [<c044831f>] __lock_acquire+0x564/0xc18
>                            [<c0448a3d>] lock_acquire+0x6a/0x90
>                            [<c066b405>] _spin_lock_irqsave+0x38/0x68
>                            [<c0420d29>] rq_attach_root+0x13/0xc7
>                            [<c07d000e>] sched_init+0x256/0x3c0
>                            [<c07bd6eb>] start_kernel+0x115/0x316
>                            [<c07bd008>] __init_begin+0x8/0xa
>                            [<ffffffff>] 0xffffffff
>     in-hardirq-W at:
>                            [<c0448264>] __lock_acquire+0x4a9/0xc18
>                            [<c0448a3d>] lock_acquire+0x6a/0x90
>                            [<c066b2fa>] _spin_lock+0x1c/0x49
>                            [<c0428460>] scheduler_tick+0x3a/0x17e
>                            [<c0433187>] update_process_times+0x3d/0x49
>                            [<c0443c88>] tick_periodic+0x66/0x72
>                            [<c0443cad>] tick_handle_periodic+0x19/0x68
>                            [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                            [<c040576b>] apic_timer_interrupt+0x33/0x38
>                            [<c04723ce>] __alloc_pages_internal+0xfa/0x3dd
>                            [<c04726c8>] __alloc_pages+0xa/0xc
>                            [<c048b45c>] __slab_alloc+0x184/0x4ea
>                            [<c048ba8d>] kmem_cache_alloc+0x63/0xc4
>                            [<c049f638>] d_alloc+0x1e/0x16f
>                            [<c0495b5a>] do_lookup+0x91/0x146
>                            [<c0497491>] __link_path_walk+0x33d/0xd3a
>                            [<c0497eda>] path_walk+0x4c/0x9b
>                            [<c04981c8>] do_path_lookup+0x198/0x1e1
>                            [<c049845d>] __path_lookup_intent_open+0x45/0x76
>                            [<c049849e>] path_lookup_open+0x10/0x12
>                            [<c0493da2>] open_exec+0x1f/0x99
>                            [<c04941fd>] do_execve+0x48/0x208
>                            [<c04034fb>] sys_execve+0x29/0x51
>                            [<c0404c76>] syscall_call+0x7/0xb
>                            [<ffffffff>] 0xffffffff
>     in-softirq-W at:
>                            [<c0448288>] __lock_acquire+0x4cd/0xc18
>                            [<c0448a3d>] lock_acquire+0x6a/0x90
>                            [<c066b2fa>] _spin_lock+0x1c/0x49
>                            [<c0428460>] scheduler_tick+0x3a/0x17e
>                            [<c0433187>] update_process_times+0x3d/0x49
>                            [<c0443c88>] tick_periodic+0x66/0x72
>                            [<c0443cad>] tick_handle_periodic+0x19/0x68
>                            [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                            [<c040576b>] apic_timer_interrupt+0x33/0x38
>                            [<c042a506>] __put_task_struct+0x8e/0xad
>                            [<c042c2a7>] delayed_put_task_struct+0x1e/0x20
>                            [<c0468cdc>] __rcu_process_callbacks+0x180/0x1ef
>                            [<c0468d65>] rcu_process_callbacks+0x1a/0x33
>                            [<c042f806>] __do_softirq+0x84/0x10a
>                            [<c0406f7e>] do_softirq+0x79/0xda
>                            [<ffffffff>] 0xffffffff
>   }
>   ... key      at: [<c2ca90a0>] 0xc2ca90a0
>   -> (&rt_rq->rt_runtime_lock){++..} ops: 0 {
>      initial-use  at:
>                              [<c044831f>] __lock_acquire+0x564/0xc18
>                              [<c0448a3d>] lock_acquire+0x6a/0x90
>                              [<c066b2fa>] _spin_lock+0x1c/0x49
>                              [<c04230dc>] update_curr_rt+0x10c/0x409
>                              [<c04234f0>] dequeue_task_rt+0xb/0x19
>                              [<c041ddae>] deactivate_task+0x20/0x3c
>                              [<c0668b44>] schedule+0x187/0x782
>                              [<c0428016>] migration_thread+0x179/0x20b
>                              [<c043bc3b>] kthread+0x3b/0x61
>                              [<c040590f>] kernel_thread_helper+0x7/0x10
>                              [<ffffffff>] 0xffffffff
>      in-hardirq-W at:
>                              [<c0448264>] __lock_acquire+0x4a9/0xc18
>                              [<c0448a3d>] lock_acquire+0x6a/0x90
>                              [<c066b2fa>] _spin_lock+0x1c/0x49
>                              [<c0422e21>] sched_rt_period_timer+0xde/0x220
>                              [<c043e610>] __run_hrtimer+0x5d/0x94
>                              [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                              [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                              [<c040576b>] apic_timer_interrupt+0x33/0x38
>                              [<c052f6c7>] acpi_ds_terminate_control_method+0x60/0xad
>                              [<c053cec4>] acpi_ps_parse_aml+0x14d/0x25c
>                              [<c053e03f>] acpi_ps_execute_method+0x122/0x1e3
>                              [<c053b347>] acpi_ns_evaluate+0x93/0xec
>                              [<c054099a>] acpi_ut_evaluate_object+0x5d/0x163
>                              [<c0540b11>] acpi_ut_execute_STA+0x1d/0x49
>                              [<c053bc50>] acpi_get_object_info+0x128/0x1b6
>                              [<c054d024>] container_walk_namespace_cb+0x23/0xae
>                              [<c053c40a>] acpi_ns_walk_namespace+0x9a/0x110
>                              [<c053ad4d>] acpi_walk_namespace+0x46/0x66
>                              [<c07da74c>] acpi_container_init+0x36/0x3d
>                              [<c07bd2b3>] kernel_init+0x19b/0x2dc
>                              [<c040590f>] kernel_thread_helper+0x7/0x10
>                              [<ffffffff>] 0xffffffff
>      in-softirq-W at:
>                              [<c0448288>] __lock_acquire+0x4cd/0xc18
>                              [<c0448a3d>] lock_acquire+0x6a/0x90
>                              [<c066b2fa>] _spin_lock+0x1c/0x49
>                              [<c0422e21>] sched_rt_period_timer+0xde/0x220
>                              [<c043e610>] __run_hrtimer+0x5d/0x94
>                              [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                              [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                              [<c040576b>] apic_timer_interrupt+0x33/0x38
>                              [<c0406f7e>] do_softirq+0x79/0xda
>                              [<ffffffff>] 0xffffffff
>    }
>    ... key      at: [<c08a7250>] __key.40934+0x0/0x8
>   ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c04230dc>] update_curr_rt+0x10c/0x409
>   [<c04234f0>] dequeue_task_rt+0xb/0x19
>   [<c041ddae>] deactivate_task+0x20/0x3c
>   [<c0668b44>] schedule+0x187/0x782
>   [<c0428016>] migration_thread+0x179/0x20b
>   [<c043bc3b>] kthread+0x3b/0x61
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>   -> (&rt_b->rt_runtime_lock){++..} ops: 0 {
>      initial-use  at:
>                              [<c044831f>] __lock_acquire+0x564/0xc18
>                              [<c0448a3d>] lock_acquire+0x6a/0x90
>                              [<c066b2fa>] _spin_lock+0x1c/0x49
>                              [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                              [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                              [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                              [<c041dd50>] enqueue_task+0x4c/0x58
>                              [<c041dd7a>] activate_task+0x1e/0x32
>                              [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                              [<c0422241>] wake_up_process+0xf/0x11
>                              [<c0666cf2>] migration_call+0xb4/0x449
>                              [<c07cfdab>] migration_init+0x38/0x45
>                              [<c07bd161>] kernel_init+0x49/0x2dc
>                              [<c040590f>] kernel_thread_helper+0x7/0x10
>                              [<ffffffff>] 0xffffffff
>      in-hardirq-W at:
>                              [<c0448264>] __lock_acquire+0x4a9/0xc18
>                              [<c0448a3d>] lock_acquire+0x6a/0x90
>                              [<c066b2fa>] _spin_lock+0x1c/0x49
>                              [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                              [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                              [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                              [<c041dd50>] enqueue_task+0x4c/0x58
>                              [<c041dd7a>] activate_task+0x1e/0x32
>                              [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                              [<c0422241>] wake_up_process+0xf/0x11
>                              [<c0466b62>] softlockup_tick+0x9e/0x117
>                              [<c0433108>] run_local_timers+0x17/0x19
>                              [<c043316e>] update_process_times+0x24/0x49
>                              [<c04449f2>] tick_sched_timer+0x6d/0xa5
>                              [<c043e610>] __run_hrtimer+0x5d/0x94
>                              [<c043f0ee>] hrtimer_interrupt+0xf8/0x163
>                              [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                              [<c040576b>] apic_timer_interrupt+0x33/0x38
>                              [<c0440dbf>] do_gettimeofday+0x11/0x2a
>                              [<c042ec95>] sys_gettimeofday+0x1d/0x58
>                              [<c0404c76>] syscall_call+0x7/0xb
>                              [<ffffffff>] 0xffffffff
>      in-softirq-W at:
>                              [<c0448288>] __lock_acquire+0x4cd/0xc18
>                              [<c0448a3d>] lock_acquire+0x6a/0x90
>                              [<c066b2fa>] _spin_lock+0x1c/0x49
>                              [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>                              [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>                              [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>                              [<c041dd50>] enqueue_task+0x4c/0x58
>                              [<c041dd7a>] activate_task+0x1e/0x32
>                              [<c04221d7>] try_to_wake_up+0x17c/0x1be
>                              [<c0422241>] wake_up_process+0xf/0x11
>                              [<c04254c0>] rebalance_domains+0x306/0x3db
>                              [<c04255c3>] run_rebalance_domains+0x2e/0x9e
>                              [<c042f806>] __do_softirq+0x84/0x10a
>                              [<c0406f7e>] do_softirq+0x79/0xda
>                              [<ffffffff>] 0xffffffff
>    }
>    ... key      at: [<c08a7248>] __key.32974+0x0/0x8
>    -> (&cpu_base->lock){++..} ops: 0 {
>       initial-use  at:
>                                [<c044831f>] __lock_acquire+0x564/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                                [<c043e4ae>] run_hrtimer_pending+0x10/0xfd
>                                [<c043ea4f>] hrtimer_run_pending+0x132/0x13a
>                                [<c0432ce3>] run_timer_softirq+0x1d/0x1a7
>                                [<c042f806>] __do_softirq+0x84/0x10a
>                                [<c0406f7e>] do_softirq+0x79/0xda
>                                [<ffffffff>] 0xffffffff
>       in-hardirq-W at:
>                                [<c0448264>] __lock_acquire+0x4a9/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b2fa>] _spin_lock+0x1c/0x49
>                                [<c043e7ef>] hrtimer_run_queues+0xf5/0x172
>                                [<c04330f9>] run_local_timers+0x8/0x19
>                                [<c043316e>] update_process_times+0x24/0x49
>                                [<c0443c88>] tick_periodic+0x66/0x72
>                                [<c0443cad>] tick_handle_periodic+0x19/0x68
>                                [<c04147ce>] smp_apic_timer_interrupt+0x69/0x7c
>                                [<c040576b>] apic_timer_interrupt+0x33/0x38
>                                [<c0508027>] __const_udelay+0x2f/0x31
>                                [<c0665ed6>] native_cpu_up+0x331/0x6d0
>                                [<c066781b>] _cpu_up+0x88/0xef
>                                [<c06678cd>] cpu_up+0x4b/0x60
>                                [<c07bd1a6>] kernel_init+0x8e/0x2dc
>                                [<c040590f>] kernel_thread_helper+0x7/0x10
>                                [<ffffffff>] 0xffffffff
>       in-softirq-W at:
>                                [<c0448288>] __lock_acquire+0x4cd/0xc18
>                                [<c0448a3d>] lock_acquire+0x6a/0x90
>                                [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>                                [<c043e4ae>] run_hrtimer_pending+0x10/0xfd
>                                [<c043ea4f>] hrtimer_run_pending+0x132/0x13a
>                                [<c0432ce3>] run_timer_softirq+0x1d/0x1a7
>                                [<c042f806>] __do_softirq+0x84/0x10a
>                                [<c0406f7e>] do_softirq+0x79/0xda
>                                [<ffffffff>] 0xffffffff
>     }
>     ... key      at: [<c08c9258>] __key.18648+0x0/0x8
>    ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b405>] _spin_lock_irqsave+0x38/0x68
>   [<c043eb2c>] lock_hrtimer_base+0x18/0x33
>   [<c043ec76>] hrtimer_start+0x19/0x154
>   [<c0422ccb>] __enqueue_rt_entity+0x1e8/0x221
>   [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>   [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>   [<c041dd50>] enqueue_task+0x4c/0x58
>   [<c041dd7a>] activate_task+0x1e/0x32
>   [<c04221d7>] try_to_wake_up+0x17c/0x1be
>   [<c0422241>] wake_up_process+0xf/0x11
>   [<c0666cf2>] migration_call+0xb4/0x449
>   [<c07cfdab>] migration_init+0x38/0x45
>   [<c07bd161>] kernel_init+0x49/0x2dc
>   [<c040590f>] kernel_thread_helper+0x7/0x10
>   [<ffffffff>] 0xffffffff
>
>   ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0422c96>] __enqueue_rt_entity+0x1b3/0x221
>   [<c0422d38>] enqueue_rt_entity+0x34/0x3f
>   [<c0422f7f>] enqueue_task_rt+0x1c/0x1e
>   [<c041dd50>] enqueue_task+0x4c/0x58
>   [<c041dd7a>] activate_task+0x1e/0x32
>   [<c04221d7>] try_to_wake_up+0x17c/0x1be
>   [<c0422241>] wake_up_process+0xf/0x11
>   [<c045b406>] __stop_machine_run+0x7a/0x95
>   [<c045b43d>] stop_machine_run+0x1c/0x38
>   [<c044fb28>] sys_init_module+0x1407/0x198f
>   [<c0404c76>] syscall_call+0x7/0xb
>   [<ffffffff>] 0xffffffff
>
>  ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b2fa>] _spin_lock+0x1c/0x49
>   [<c0421a05>] task_rq_lock+0x49/0x73
>   [<c0422085>] try_to_wake_up+0x2a/0x1be
>   [<c0422230>] wake_up_state+0xa/0xc
>   [<c043494c>] signal_wake_up+0x27/0x35
>   [<c0434b02>] complete_signal+0x1a8/0x1cc
>   [<c0434d3c>] send_signal+0x216/0x22c
>   [<c0434f23>] __group_send_sig_info+0xa/0xc
>   [<c04351f3>] do_notify_parent+0x17e/0x1b7
>   [<c042dec1>] do_exit+0x6ae/0x784
>   [<c042dff5>] do_group_exit+0x5e/0x85
>   [<c042e02f>] sys_exit_group+0x13/0x15
>   [<c0404c76>] syscall_call+0x7/0xb
>   [<ffffffff>] 0xffffffff
>
>  -> (&tsk->delays->lock){....} ops: 0 {
>     initial-use  at:
>                            [<c044831f>] __lock_acquire+0x564/0xc18
>                            [<c0448a3d>] lock_acquire+0x6a/0x90
>                            [<c066b405>] _spin_lock_irqsave+0x38/0x68
>                            [<c046a45a>] delayacct_end+0x53/0x77
>                            [<c046a4b0>] __delayacct_blkio_end+0x32/0x38
>                            [<c06691ac>] io_schedule+0x6d/0x8a
>                            [<c046d2f2>] sync_page+0x3f/0x43
>                            [<c06694e1>] __wait_on_bit_lock+0x34/0x5e
>                            [<c046d29e>] __lock_page+0x78/0x81
>                            [<c046d874>] read_cache_page_async+0xa0/0x119
>                            [<c046d8f9>] read_cache_page+0xc/0x44
>                            [<c04c87e0>] read_dev_sector+0x34/0x6a
>                            [<c04ca219>] read_lba+0x69/0xc6
>                            [<c04ca4d1>] efi_partition+0xa3/0x676
>                            [<c04c8dcc>] rescan_partitions+0x10c/0x227
>                            [<c04b1be5>] do_open+0x221/0x2b5
>                            [<c04b1d45>] __blkdev_get+0x7b/0x86
>                            [<c04b1d5d>] blkdev_get+0xd/0xf
>                            [<c04c8909>] register_disk+0xf3/0x144
>                            [<c04fc9ca>] add_disk+0x34/0x79
>                            [<c058bd81>] sd_probe+0x2c6/0x366
>                            [<c057a52a>] driver_probe_device+0xa0/0x13c
>                            [<c057a62d>] __device_attach+0x8/0xa
>                            [<c0579cd5>] bus_for_each_drv+0x3f/0x69
>                            [<c057a69e>] device_attach+0x50/0x66
>                            [<c0579b4d>] bus_attach_device+0x24/0x4e
>                            [<c0578dc8>] device_add+0x29a/0x3cd
>                            [<c0588c3b>] scsi_sysfs_add_sdev+0xb6/0x200
>                            [<c05871a7>] scsi_probe_and_add_lun+0x8cc/0x9ae
>                            [<c0587eb9>] __scsi_add_device+0x85/0xab
>                            [<c0598804>] ata_scsi_scan_host+0x8a/0x212
>                            [<c0596659>] ata_host_register+0x1ec/0x1fc
>                            [<c05966fc>] ata_host_activate+0x93/0xb3
>                            [<f8b9daaf>] ahci_init_one+0x813/0x828 [ahci]
>                            [<c0513522>] pci_device_probe+0x39/0x59
>                            [<c057a52a>] driver_probe_device+0xa0/0x13c
>                            [<c057a603>] __driver_attach+0x3d/0x5f
>                            [<c0579f26>] bus_for_each_dev+0x3e/0x68
>                            [<c057a3c1>] driver_attach+0x14/0x16
>                            [<c057996d>] bus_add_driver+0xa3/0x1c3
>                            [<c057a795>] driver_register+0x84/0xe4
>                            [<c05136e8>] __pci_register_driver+0x43/0x6f
>                            [<f8852017>] 0xf8852017
>                            [<c044ff02>] sys_init_module+0x17e1/0x198f
>                            [<c0404c76>] syscall_call+0x7/0xb
>                            [<ffffffff>] 0xffffffff
>   }
>   ... key      at: [<c0af5378>] __key.21264+0x0/0x8
>  ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b405>] _spin_lock_irqsave+0x38/0x68
>   [<c046a35d>] __delayacct_add_tsk+0x175/0x206
>   [<c046ad7c>] taskstats_exit+0xdb/0x27b
>   [<c042da08>] do_exit+0x1f5/0x784
>   [<c042e044>] complete_and_exit+0x0/0x18
>   [<c0404c76>] syscall_call+0x7/0xb
>   [<ffffffff>] 0xffffffff
>
> ... acquired at:
>   [<c044885b>] __lock_acquire+0xaa0/0xc18
>   [<c0448a3d>] lock_acquire+0x6a/0x90
>   [<c066b3a0>] _spin_lock_irq+0x2b/0x58
>   [<c045c464>] utrace_stop+0x2e/0x10c
>   [<c045c5b9>] finish_resume_report+0x77/0x8f
>   [<c045ca5e>] utrace_get_signal+0x48d/0x546
>   [<c0436234>] get_signal_to_deliver+0xf5/0x2a4
>   [<c0403e5e>] do_notify_resume+0x71/0x791
>   [<c0404d8e>] work_notifysig+0x13/0x19
>   [<ffffffff>] 0xffffffff
>
>
>stack backtrace:
>Pid: 4454, comm: strace Not tainted 2.6.26-136.fc10.i686 #1
> [<c0447daa>] check_usage+0x1fa/0x20b
> [<c04487b6>] __lock_acquire+0x9fb/0xc18
> [<c0448a3d>] lock_acquire+0x6a/0x90
> [<c045b904>] ? get_utrace_lock_attached+0x4a/0x8d
> [<c066b2fa>] _spin_lock+0x1c/0x49
> [<c045b904>] ? get_utrace_lock_attached+0x4a/0x8d
> [<c045b904>] get_utrace_lock_attached+0x4a/0x8d
> [<c045cdc8>] utrace_control+0x27/0x200
> [<c04320de>] __ptrace_unlink+0x6f/0x74
> [<c042db3f>] do_exit+0x32c/0x784
> [<c0463a26>] ? audit_syscall_entry+0xf9/0x123
> [<c042dff5>] do_group_exit+0x5e/0x85
> [<c042e02f>] sys_exit_group+0x13/0x15
> [<c0404c76>] syscall_call+0x7/0xb
> =======================

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Attachments on bug 455337: 311778