Attachment 294821 Details for Bug 432675 – kernel trace

kernel trace

trace (text/plain), 162.30 KB, created by Bill Nottingham on 2008-02-13 19:04:45 UTC

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Creator: Bill Nottingham

Created: 2008-02-13 19:04:45 UTC

Size: 162.30 KB

patch

obsolete

> bonding: bond0: releasing active interface wlan0
> 
> =========================================================
> [ INFO: possible irq lock inversion dependency detected ]
> 2.6.24.1-31.fc9 #1
> ---------------------------------------------------------
> ifenslave/18845 just changed the state of lock:
>  (&bond->lock){-.-?}, at: [<ffffffff884585bd>] bond_release+0x1f1/0x39b [bonding]
> but this lock was taken by another, soft-irq-safe lock in the past:
>  (&mc->mca_lock){-+..}
> 
> and interrupts could create inverse lock ordering between them.
> 
> 
> other info that might help us debug this:
> 2 locks held by ifenslave/18845:
>  #0:  (rtnl_mutex){--..}, at: [<ffffffff8120ed79>] dev_ioctl+0x549/0x601
>  #1:  (&bonding_rwsem){--..}, at: [<ffffffff88458aa2>] bond_do_ioctl+0x228/0x401 [bonding]
> 
> the first lock's dependencies:
> -> (&bond->lock){-.-?} ops: 0 {
>    initial-use  at:
>                         [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                         [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                         [<ffffffff884559c7>] bond_get_stats+0x30/0x15f [bonding]
>                         [<ffffffff8128006b>] _read_lock_bh+0x2e/0x5a
>                         [<ffffffff884559c7>] bond_get_stats+0x30/0x15f [bonding]
>                         [<ffffffff812155dd>] rtnl_fill_ifinfo+0x321/0x61a
>                         [<ffffffff81215c27>] rtmsg_ifinfo+0xa3/0x129
>                         [<ffffffff81215cf6>] rtnetlink_event+0x49/0x4e
>                         [<ffffffff8128231b>] notifier_call_chain+0x29/0x4c
>                         [<ffffffff8120e2f2>] register_netdevice+0x350/0x389
>                         [<ffffffff88455336>] bond_create+0x2a1/0x342 [bonding]
>                         [<ffffffff880fe7ac>] 0xffffffff880fe7ac
>                         [<ffffffff81060c7d>] sys_init_module+0x182a/0x190c
>                         [<ffffffff81075632>] audit_syscall_entry+0x134/0x167
>                         [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>                         [<ffffffffffffffff>] 0xffffffffffffffff
>    hardirq-on-W at:
>                         [<ffffffff81057a24>] __lock_acquire+0x5fe/0xd8d
>                         [<ffffffff81056e1a>] trace_hardirqs_on+0xef/0x129
>                         [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                         [<ffffffff884556bf>] bond_set_multicast_list+0x2a/0x302 [bonding]
>                         [<ffffffff8127ff23>] _write_lock_bh+0x2b/0x57
>                         [<ffffffff884556bf>] bond_set_multicast_list+0x2a/0x302 [bonding]
>                         [<ffffffff8120c203>] dev_set_rx_mode+0x2f/0x45
>                         [<ffffffff8120dc6a>] dev_open+0x6c/0x90
>                         [<ffffffff8120d782>] dev_change_flags+0xaa/0x168
>                         [<ffffffff81214ef2>] do_setlink+0x288/0x34b
>                         [<ffffffff8121626f>] rtnl_newlink+0x29d/0x41f
>                         [<ffffffff81216094>] rtnl_newlink+0xc2/0x41f
>                         [<ffffffff81216472>] rtnetlink_rcv_msg+0x5a/0x1ed
>                         [<ffffffff81216418>] rtnetlink_rcv_msg+0x0/0x1ed
>                         [<ffffffff81226550>] netlink_rcv_skb+0x34/0x90
>                         [<ffffffff81216412>] rtnetlink_rcv+0x21/0x27
>                         [<ffffffff81225f9c>] netlink_unicast+0x1e0/0x24a
>                         [<ffffffff8110e1be>] selinux_netlink_send+0xd4/0xea
>                         [<ffffffff812262d5>] netlink_sendmsg+0x2cf/0x2e2
>                         [<ffffffff81201131>] sock_sendmsg+0xe2/0xff
>                         [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>                         [<ffffffff810553e2>] lock_release_holdtime+0x16/0xfe
>                         [<ffffffff81201365>] sys_sendmsg+0x217/0x28a
>                         [<ffffffff8127fc2f>] _spin_unlock_irqrestore+0x3f/0x45
>                         [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                         [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>                         [<ffffffffffffffff>] 0xffffffffffffffff
>    in-softirq-R at:
>                         [<ffffffffffffffff>] 0xffffffffffffffff
>    softirq-on-R at:
>                         [<ffffffff81057a46>] __lock_acquire+0x620/0xd8d
>                         [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                         [<ffffffff884585bd>] bond_release+0x1f1/0x39b [bonding]
>                         [<ffffffff8128017c>] _read_lock+0x29/0x55
>                         [<ffffffff884585bd>] bond_release+0x1f1/0x39b [bonding]
>                         [<ffffffff88458b32>] bond_do_ioctl+0x2b8/0x401 [bonding]
>                         [<ffffffff8120b78c>] __dev_get_by_name+0x72/0x89
>                         [<ffffffff8120ed86>] dev_ioctl+0x556/0x601
>                         [<ffffffff8127fc2f>] _spin_unlock_irqrestore+0x3f/0x45
>                         [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                         [<ffffffff81281f9d>] do_page_fault+0x405/0x75a
>                         [<ffffffff81200765>] sock_ioctl+0x1f8/0x206
>                         [<ffffffff810b9589>] do_ioctl+0x21/0x6c
>                         [<ffffffff810b9810>] vfs_ioctl+0x23c/0x252
>                         [<ffffffff810b9877>] sys_ioctl+0x51/0x72
>                         [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>                         [<ffffffffffffffff>] 0xffffffffffffffff
>    hardirq-on-R at:
>                         [<ffffffff810579fb>] __lock_acquire+0x5d5/0xd8d
>                         [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                         [<ffffffff884559c7>] bond_get_stats+0x30/0x15f [bonding]
>                         [<ffffffff8128006b>] _read_lock_bh+0x2e/0x5a
>                         [<ffffffff884559c7>] bond_get_stats+0x30/0x15f [bonding]
>                         [<ffffffff812155dd>] rtnl_fill_ifinfo+0x321/0x61a
>                         [<ffffffff81215c27>] rtmsg_ifinfo+0xa3/0x129
>                         [<ffffffff81215cf6>] rtnetlink_event+0x49/0x4e
>                         [<ffffffff8128231b>] notifier_call_chain+0x29/0x4c
>                         [<ffffffff8120e2f2>] register_netdevice+0x350/0x389
>                         [<ffffffff88455336>] bond_create+0x2a1/0x342 [bonding]
>                         [<ffffffff880fe7ac>] 0xffffffff880fe7ac
>                         [<ffffffff81060c7d>] sys_init_module+0x182a/0x190c
>                         [<ffffffff81075632>] audit_syscall_entry+0x134/0x167
>                         [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>                         [<ffffffffffffffff>] 0xffffffffffffffff
>  }
>  ... key      at: [<ffffffff8846a230>] __key.34521+0x0/0xffffffffffff4e1e [bonding]
>  -> (lweventlist_lock){.+..} ops: 0 {
>     initial-use  at:
>                           [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                           [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                           [<ffffffff81216b8e>] linkwatch_fire_event+0x51/0x89
>                           [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>                           [<ffffffff81216b8e>] linkwatch_fire_event+0x51/0x89
>                           [<ffffffff8811726d>] e1000_probe+0xb6b/0xc8c [e1000]
>                           [<ffffffff810553e2>] lock_release_holdtime+0x16/0xfe
>                           [<ffffffff88120065>] e1000_get_strings+0x4d/0x4f [e1000]
>                           [<ffffffff81140907>] pci_device_probe+0xd4/0x13c
>                           [<ffffffff811ac31c>] driver_probe_device+0xc5/0x169
>                           [<ffffffff811ac450>] __driver_attach+0x90/0xcd
>                           [<ffffffff811ac3c0>] __driver_attach+0x0/0xcd
>                           [<ffffffff811abb93>] bus_for_each_dev+0x43/0x77
>                           [<ffffffff811ab48a>] bus_add_driver+0x7c/0x1be
>                           [<ffffffff81140af2>] __pci_register_driver+0x6b/0x9d
>                           [<ffffffff8813204c>] 0xffffffff8813204c
>                           [<ffffffff81060c7d>] sys_init_module+0x182a/0x190c
>                           [<ffffffff8100bf5e>] system_call+0x7e/0x83
>                           [<ffffffffffffffff>] 0xffffffffffffffff
>     in-softirq-W at:
>                           [<ffffffffffffffff>] 0xffffffffffffffff
>   }
>   ... key      at: [<ffffffff813e9588>] lweventlist_lock+0x18/0x40
>  ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff81216b8e>] linkwatch_fire_event+0x51/0x89
>    [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>    [<ffffffff81216b8e>] linkwatch_fire_event+0x51/0x89
>    [<ffffffff8121e2fb>] netif_carrier_on+0x18/0x2a
>    [<ffffffff884561d9>] bond_set_carrier+0x37/0x5d [bonding]
>    [<ffffffff88457caa>] bond_enslave+0x743/0x80c [bonding]
>    [<ffffffff88458b25>] bond_do_ioctl+0x2ab/0x401 [bonding]
>    [<ffffffff8120b78c>] __dev_get_by_name+0x72/0x89
>    [<ffffffff8120ed86>] dev_ioctl+0x556/0x601
>    [<ffffffff81254693>] devinet_ioctl+0x5a5/0x5ce
>    [<ffffffff81281f9d>] do_page_fault+0x405/0x75a
>    [<ffffffff81200765>] sock_ioctl+0x1f8/0x206
>    [<ffffffff810b9589>] do_ioctl+0x21/0x6c
>    [<ffffffff810b9810>] vfs_ioctl+0x23c/0x252
>    [<ffffffff810b9877>] sys_ioctl+0x51/0x72
>    [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>  -> (&cwq->lock){++..} ops: 0 {
>     initial-use  at:
>                           [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                           [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                           [<ffffffff8104809a>] __queue_work+0x10/0x33
>                           [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>                           [<ffffffff8104809a>] __queue_work+0x10/0x33
>                           [<ffffffff81048139>] queue_work+0x45/0x4e
>                           [<ffffffff810474ee>] call_usermodehelper_exec+0x7a/0xd3
>                           [<ffffffff81130166>] kobject_uevent_env+0x394/0x3cd
>                           [<ffffffff8112f916>] kset_register+0x34/0x3a
>                           [<ffffffff811abd47>] bus_register+0x75/0x236
>                           [<ffffffff814c5df0>] platform_bus_init+0x1f/0x35
>                           [<ffffffff814c5e52>] driver_init+0x1d/0x2d
>                           [<ffffffff814a63d7>] kernel_init+0x1a9/0x37b
>                           [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                           [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>                           [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                           [<ffffffff8100ce88>] child_rip+0xa/0x12
>                           [<ffffffff8100c59f>] restore_args+0x0/0x30
>                           [<ffffffff814a622e>] kernel_init+0x0/0x37b
>                           [<ffffffff8100ce7e>] child_rip+0x0/0x12
>                           [<ffffffffffffffff>] 0xffffffffffffffff
>     in-hardirq-W at:
>                           [<ffffffffffffffff>] 0xffffffffffffffff
>     in-softirq-W at:
>                           [<ffffffffffffffff>] 0xffffffffffffffff
>   }
>   ... key      at: [<ffffffff815a4020>] __key.12193+0x0/0x8
>   -> (&q->lock){++..} ops: 0 {
>      initial-use  at:
>                             [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                             [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                             [<ffffffff8127de5c>] wait_for_common+0x3c/0x10c
>                             [<ffffffff8127fde7>] _spin_lock_irq+0x2c/0x58
>                             [<ffffffff8127de5c>] wait_for_common+0x3c/0x10c
>                             [<ffffffff810553e2>] lock_release_holdtime+0x16/0xfe
>                             [<ffffffff8104bb23>] kthread_create+0x9a/0x10b
>                             [<ffffffff810353c9>] migration_thread+0x0/0x235
>                             [<ffffffff81056c84>] mark_held_locks+0x57/0x72
>                             [<ffffffff8127fc2f>] _spin_unlock_irqrestore+0x3f/0x45
>                             [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                             [<ffffffff81033582>] migration_call+0x5a/0x43f
>                             [<ffffffff814b7116>] migration_init+0x28/0x56
>                             [<ffffffff814a6299>] kernel_init+0x6b/0x37b
>                             [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                             [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>                             [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                             [<ffffffff8100ce88>] child_rip+0xa/0x12
>                             [<ffffffff8100c59f>] restore_args+0x0/0x30
>                             [<ffffffff814a622e>] kernel_init+0x0/0x37b
>                             [<ffffffff8100ce7e>] child_rip+0x0/0x12
>                             [<ffffffffffffffff>] 0xffffffffffffffff
>      in-hardirq-W at:
>                             [<ffffffffffffffff>] 0xffffffffffffffff
>      in-softirq-W at:
>                             [<ffffffffffffffff>] 0xffffffffffffffff
>    }
>    ... key      at: [<ffffffff815a4690>] __key.17179+0x0/0x10
>    -> (&rq->rq_lock_key){++..} ops: 0 {
>       initial-use  at:
>                               [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                               [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                               [<ffffffff810302ac>] init_idle+0x134/0x16b
>                               [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>                               [<ffffffff810302ac>] init_idle+0x134/0x16b
>                               [<ffffffff814b70c0>] sched_init+0x362/0x390
>                               [<ffffffff814a6901>] start_kernel+0x11f/0x308
>                               [<ffffffff814a6118>] _sinittext+0x118/0x11e
>                               [<ffffffffffffffff>] 0xffffffffffffffff
>       in-hardirq-W at:
>                               [<ffffffffffffffff>] 0xffffffffffffffff
>       in-softirq-W at:
>                               [<ffffffffffffffff>] 0xffffffffffffffff
>     }
>     ... key      at: [<ffff81000106c7e8>] 0xffff81000106c7e8
>     -> (&rq->rq_lock_key#2){++..} ops: 0 {
>        initial-use  at:
>                                 [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                 [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                 [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>                                 [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>                                 [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>                                 [<ffffffff810335ae>] migration_call+0x86/0x43f
>                                 [<ffffffff8127e8d9>] mutex_lock_nested+0x279/0x295
>                                 [<ffffffff8128231b>] notifier_call_chain+0x29/0x4c
>                                 [<ffffffff8105d253>] _cpu_up+0x77/0x13a
>                                 [<ffffffff8105d373>] cpu_up+0x5d/0x71
>                                 [<ffffffff814a62e2>] kernel_init+0xb4/0x37b
>                                 [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                 [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>                                 [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                 [<ffffffff8100ce88>] child_rip+0xa/0x12
>                                 [<ffffffff8100c59f>] restore_args+0x0/0x30
>                                 [<ffffffff814a622e>] kernel_init+0x0/0x37b
>                                 [<ffffffff8100ce7e>] child_rip+0x0/0x12
>                                 [<ffffffffffffffff>] 0xffffffffffffffff
>        in-hardirq-W at:
>                                 [<ffffffffffffffff>] 0xffffffffffffffff
>        in-softirq-W at:
>                                 [<ffffffffffffffff>] 0xffffffffffffffff
>      }
>      ... key      at: [<ffff8100010d77e8>] 0xffff8100010d77e8
>     ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8127fbed>] _spin_unlock_irq+0x24/0x27
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff8102f220>] double_rq_lock+0x39/0x4d
>    [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>    [<ffffffff8102f220>] double_rq_lock+0x39/0x4d
>    [<ffffffff8102f3bd>] __migrate_task+0x68/0xf6
>    [<ffffffff81035597>] migration_thread+0x1ce/0x235
>    [<ffffffff810353c9>] migration_thread+0x0/0x235
>    [<ffffffff8104b983>] kthread+0x47/0x73
>    [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>    [<ffffffff8100ce88>] child_rip+0xa/0x12
>    [<ffffffff8100c59f>] restore_args+0x0/0x30
>    [<ffffffff8104b917>] kthreadd+0x12c/0x151
>    [<ffffffff8104b93c>] kthread+0x0/0x73
>    [<ffffffff8100ce7e>] child_rip+0x0/0x12
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>    ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>    [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>    [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>    [<ffffffff8102fa2c>] try_to_wake_up+0x24/0x451
>    [<ffffffff8102c5e5>] __wake_up_common+0x46/0x75
>    [<ffffffff81030366>] complete+0x38/0x4a
>    [<ffffffff810353c9>] migration_thread+0x0/0x235
>    [<ffffffff8104b962>] kthread+0x26/0x73
>    [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>    [<ffffffff8100ce88>] child_rip+0xa/0x12
>    [<ffffffff8100c59f>] restore_args+0x0/0x30
>    [<ffffffff8104b917>] kthreadd+0x12c/0x151
>    [<ffffffff8104b93c>] kthread+0x0/0x73
>    [<ffffffff8100ce7e>] child_rip+0x0/0x12
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>    -> (&rq->rq_lock_key#2){++..} ops: 0 {
>       initial-use  at:
>                               [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                               [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                               [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>                               [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>                               [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>                               [<ffffffff810335ae>] migration_call+0x86/0x43f
>                               [<ffffffff8127e8d9>] mutex_lock_nested+0x279/0x295
>                               [<ffffffff8128231b>] notifier_call_chain+0x29/0x4c
>                               [<ffffffff8105d253>] _cpu_up+0x77/0x13a
>                               [<ffffffff8105d373>] cpu_up+0x5d/0x71
>                               [<ffffffff814a62e2>] kernel_init+0xb4/0x37b
>                               [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                               [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>                               [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                               [<ffffffff8100ce88>] child_rip+0xa/0x12
>                               [<ffffffff8100c59f>] restore_args+0x0/0x30
>                               [<ffffffff814a622e>] kernel_init+0x0/0x37b
>                               [<ffffffff8100ce7e>] child_rip+0x0/0x12
>                               [<ffffffffffffffff>] 0xffffffffffffffff
>       in-hardirq-W at:
>                               [<ffffffffffffffff>] 0xffffffffffffffff
>       in-softirq-W at:
>                               [<ffffffffffffffff>] 0xffffffffffffffff
>     }
>     ... key      at: [<ffff8100010d77e8>] 0xffff8100010d77e8
>    ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>    [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>    [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>    [<ffffffff8102fa2c>] try_to_wake_up+0x24/0x451
>    [<ffffffff8102c5e5>] __wake_up_common+0x46/0x75
>    [<ffffffff81030366>] complete+0x38/0x4a
>    [<ffffffff81047989>] worker_thr0
>                               [<ffffffff810a68b4>] unfreeze_slab+0x3d/0xae
>                               [<ffffffff810a7ffc>] __slab_alloc+0xe8/0x44e
>                               [<ffffffff8108658c>] process_zones+0x5d/0x177
>                               [<ffffffff810a83df>] kmem_cache_alloc_node+0x7d/0xb3
>                               [<ffffffff8108658c>] process_zones+0x5d/0x177
>                               [<ffffffff810a83c4>] kmem_cache_alloc_node+0x62/0xb3
>                               [<ffffffff8108658c>] process_zones+0x5d/0x177
>                               [<ffffffff814bb7dd>] setup_per_cpu_pageset+0x11/0x26
>                               [<ffffffff814a6a4f>] start_kernel+0x26d/0x308
>                               [<ffffffff814a6118>] _sinittext+0x118/0x11e
>                               [<ffffffffffffffff>] 0xffffffffffffffff
>       in-hardirq-W at:
>                               [<ffffffffffffffff>] 0xffffffffffffffff
>       in-softirq-W at:
>                               [<ffffffffffffffff>] 0xffffffffffffffff
>     }
>     ... key      at: [<ffffffff8197eba8>] __key.19742+0x0/0x8
>    ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8120be2e>] __dev_addr_delete+0x71/0x9b
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff810a7e91>] __slab_free+0x241/0x2c4
>    [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>    [<ffffffff810a7e91>] __slab_free+0x241/0x2c4
>    [<ffffffff8120be2e>] __dev_addr_delete+0x71/0x9b
>    [<ffffffff810a85e6>] kfree+0xba/0xe4
>    [<ffffffff8120be2e>] __dev_addr_delete+0x71/0x9b
>    [<ffffffff812102da>] dev_mc_sync+0xdb/0x11e
>    [<ffffffff8120c203>] dev_set_rx_mode+0x2f/0x45
>    [<ffffffff8120dc6a>] dev_open+0x6c/0x90
>    [<ffffffff8120d782>] dev_change_flags+0xaa/0x168
>    [<ffffffff81214ef2>] do_setlink+0x288/0x34b
>    [<ffffffff810553e2>] lock_release_holdtime+0x16/0xfe
>    [<ffffffff81216418>] rtnetlink_rcv_msg+0x0/0x1ed
>    [<ffffffff81216418>] rtnetlink_rcv_msg+0x0/0x1ed
>    [<ffffffff812150a3>] rtnl_setlink+0xee/0x10d
>    [<ffffffff81216418>] rtnetlink_rcv_msg+0x0/0x1ed
>    [<ffffffff81226550>] netlink_rcv_skb+0x34/0x90
>    [<ffffffff81216412>] rtnetlink_rcv+0x21/0x27
>    [<ffffffff81225f9c>] netlink_unicast+0x1e0/0x24a
>    [<ffffffff8110e1be>] selinux_netlink_send+0xd4/0xea
>    [<ffffffff812262d5>] netlink_sendmsg+0x2cf/0x2e2
>    [<ffffffff81201131>] sock_sendmsg+0xe2/0xff
>    [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>last message repeated 2 times
>    [<ffffffff81201365>] sys_sendmsg+0x217/0x28a
>    [<ffffffff810c2b58>] mntput_no_expire+0x1f/0x8a
>    [<ffffffff81201c93>] sys_sendto+0x12b/0x154
>    [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>    -> (&priv->lock){++..} ops: 0 {
>       initial-use  at:
>                               [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                               [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                               [<ffffffff88196d3d>] iwl3945_reset_qos+0x16/0x1e0 [iwl3945]
>                               [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>                               [<ffffffff88196d3d>] iwl3945_reset_qos+0x16/0x1e0 [iwl3945]
>                               [<ffffffff881a58e3>] iwl3945_pci_probe+0x4fa/0x1864 [iwl3945]
>                               [<ffffffff810f2b74>] sysfs_ilookup_test+0x0/0xf
>                               [<ffffffff8127e35b>] mutex_trylock+0x100/0x110
>                               [<ffffffff810553e2>] lock_release_holdtime+0x16/0xfe
>                               [<ffffffff81140907>] pci_device_probe+0xd4/0x13c
>                               [<ffffffff811ac31c>] driver_probe_device+0xc5/0x169
>                               [<ffffffff811ac450>] __driver_attach+0x90/0xcd
>                               [<ffffffff811ac3c0>] __driver_attach+0x0/0xcd
>          ck+0x42/0x78
>    [<ffffffff8102fa2c>] try_to_wake_up+0x24/0x451
>    [<ffffffff8102c5e5>] __wake_up_common+0x46/0x75
>    [<ffffffff810d6e33>] ep_poll_callback+0x82/0xc5
>    [<ffffffff8102c5e5>] __wake_up_common+0x46/0x75
>    [<ffffffff81030406>] __wake_up+0x38/0x4e
>    [<ffffffff8120327e>] sock_def_wakeup+0x3c/0x48
>    [<ffffffff81274583>] unix_release_sock+0x139/0x213
>    [<ffffffff812014e0>] sock_release+0x19/0x74
>    [<ffffffff81201567>] sock_close+0x2c/0x30
>    [<ffffffff810aea54>] __fput+0xc2/0x18b
>    [<ffffffff810abfb8>] filp_close+0x5a/0x61
>    [<ffffffff810ac062>] sys_close+0xa3/0xe1
>    [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>       ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff81087ef8>] get_page_from_freelist+0x42b/0x734
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff810d6dc5>] ep_poll_callback+0x14/0xc5
>    [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>    [<ffffffff810d6dc5>] ep_poll_callback+0x14/0xc5
>    [<ffffffff8102c5e5>] __wake_up_common+0x46/0x75
>    [<ffffffff810303b2>] __wake_up_sync+0x3a/0x56
>    [<ffffffff810b412a>] pipe_write+0x4b5/0x4e9
>    [<ffffffff8110a268>] avc_has_perm+0x4c/0x5e
>    [<ffffffff810ad774>] do_sync_write+0xce/0x113
>    [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>    [<ffffffff8110bb23>] file_has_perm+0x81/0x8a
>    [<ffffffff810ae09a>] vfs_write+0xc9/0x172
>    [<ffffffff810ae1ff>] sys_write+0x45/0x6e
>    [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>      ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff81087cf0>] get_page_from_freelist+0x223/0x734
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff810303f0>] __wake_up+0x22/0x4e
>    [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>    [<ffffffff810303f0>] __wake_up+0x22/0x4e
>    [<ffffffff81088406>] __alloc_pages+0x119/0x3a5
>    [<ffffffff81207703>] __alloc_skb+0x3f/0x12f
>    [<ffffffff81087a8e>] __get_free_pages+0xe/0x4d
>    [<ffffffff8120772f>] __alloc_skb+0x6b/0x12f
>    [<ffffffff881a2b71>] iwl3945_rx_allocate+0x4a/0x103 [iwl3945]
>    [<ffffffff881a3c29>] iwl3945_bg_rx_replenish+0x0/0x40 [iwl3945]
>    [<ffffffff881a3c06>] iwl3945_rx_replenish+0x14/0x37 [iwl3945]
>    [<ffffffff881a3c5a>] iwl3945_bg_rx_replenish+0x31/0x40 [iwl3945]
>    [<ffffffff8104783d>] run_workqueue+0xa7/0x1f3
>    [<ffffffff81047887>] run_workqueue+0xf1/0x1f3
>    [<ffffffff81047a6c>] worker_thread+0xe3/0xf2
>    [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>    [<ffffffff81047989>] worker_thread+0x0/0xf2
>    [<ffffffff8104b983>] kthread+0x47/0x73
>    [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>    [<ffffffff8100ce88>] child_rip+0xa/0x12
>    [<ffffffff8100c59f>] restore_args+0x0/0x30
>    [<ffffffff8104b917>] kthreadd+0x12c/0x151
>    [<ffffffff8104b93c>] kthread+0x0/0x73
>    [<ffffffff8100ce7e>] child_rip+0x0/0x12
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>     ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff8819bd03>] iwl3945_rx_queue_restock+0x20/0x133 [iwl3945]
>    [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>    [<ffffffff8819bd03>] iwl3945_rx_queue_restock+0x20/0x133 [iwl3945]
>    [<ffffffff881a3c19>] iwl3945_rx_replenish+0x27/0x37 [iwl3945]
>    [<ffffffff881ab652>] iwl3945_hw_nic_init+0x100d/0x1c63 [iwl3945]
>    [<ffffffff8819af92>] iwl3945_mac_start+0x9c1/0xc3e [iwl3945]
>    [<ffffffff8819af92>] iwl3945_mac_start+0x9c1/0xc3e [iwl3945]
>    [<ffffffff810a66aa>] check_object+0x156/0x205
>    [<ffffffff88199a29>] __iwl3945_up+0x17d/0xce5 [iwl3945]
>    [<ffffffff810a8604>] kfree+0xd8/0xe4
>    [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>    [<ffffffff8819afed>] iwl3945_mac_start+0xa1c/0xc3e [iwl3945]
>    [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>    [<ffffffff8108e16a>] zone_statistics] wme_qdiscop_dequeue+0x72/0xad [mac80211]
>                               [<ffffffff8121e35a>] __qdisc_run+0x4d/0x18b
>                               [<ffffffff88169332>] ieee80211_sta_scan_work+0x0/0x1b7 [mac80211]
>                               [<ffffffff8120d242>] dev_queue_xmit+0x16d/0x2be
>                               [<ffffffff881694a7>] ieee80211_sta_scan_work+0x175/0x1b7 [mac80211]
>                               [<ffffffff88169332>] ieee80211_sta_scan_work+0x0/0x1b7 [mac80211]
>                               [<ffffffff81047887>] run_workqueue+0xf1/0x1f3
>                               [<ffffffff81047a6c>] worker_thread+0xe3/0xf2
>                               [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>                               [<ffffffff81047989>] worker_thread+0x0/0xf2
>                               [<ffffffff8104b983>] kthread+0x47/0x73
>                               [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>                               [<ffffffff8100ce88>] child_rip+0xa/0x12
>                               [<ffffffff8100c59f>] restore_args+0x0/0x30
>                               [<ffffffff8104b917>] kthreadd+0x12c/0x151
>                               [<ffffffff8104b93c>] kthread+0x0/0x73
>                               [<ffffffff8100ce7e>] child_rip+0x0/0x12
>                               [<ffffffffffffffff>] 0xffffffffffffffff
>       in-softirq-W at:
>                               [<ffffffffffffffff>] 0xffffffffffffffff
>     }
>     ... key      at: [<ffffffff8818f7f0>] __key.20932+0x0/0xfffffffffffea195 [mac80211]
>    ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff81206945>] skb_dequeue+0x13/0x50
>    [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>    [<ffffffff81206945>] skb_dequeue+0x13/0x50
>    [<ffffffff88174f08>] wme_qdiscop_dequeue+0x72/0xad [mac80211]
>    [<ffffffff8121e35a>] __qdisc_run+0x4d/0x18b
>    [<ffffffff88169332>] ieee80211_sta_scan_work+0x0/0x1b7 [mac80211]
>    [<ffffffff8120d242>] dev_queue_xmit+0x16d/0x2be
>    [<ffffffff881694a7>] ieee80211_sta_scan_work+0x175/0x1b7 [mac80211]
>    [<ffffffff88169332>] ieee80211_sta_scan_work+0x0/0x1b7 [mac80211]
>    [<ffffffff81047887>] run_workqueue+0xf1/0x1f3
>    [<ffffffff81047a6c>] worker_thread+0xe3/0xf2
>    [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>    [<ffffffff81047989>] worker_thread+0x0/0xf2
>    [<ffffffff8104b983>] kthread+0x47/0x73
>    [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>    [<ffffffff8100ce88>] child_rip+0xa/0x12
>    [<ffffffff8100c59f>] restore_args+0x0/0x30
>    [<ffffffff8104b917>] kthreadd+0x12c/0x151
>    [<ffffffff8104b93c>] kthread+0x0/0x73
>    [<ffffffff8100ce7e>] child_rip+0x0/0x12
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>    -> (&list->lock#9){....} ops: 0 {
>       initial-use  at:
>                               [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                               [<ffffffff81216d05>] __linkwatch_run_queue+0x13f/0x1e2
>                               [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                               [<ffffffff81206945>] skb_dequeue+0x13/0x50
>                               [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>                               [<ffffffff81206945>] skb_dequeue+0x13/0x50
>                               [<ffffffff81206dbe>] skb_queue_purge+0x13/0x1d
>                               [<ffffffff8121df71>] pfifo_fast_reset+0x10/0x3b
>                               [<ffffffff8121de2c>] dev_deactivate+0x2d/0xf5
>                               [<ffffffff81216d33>] __linkwatch_run_queue+0x16d/0x1e2
>                               [<ffffffff81216da8>] linkwatch_event+0x0/0x26
>                               [<ffffffff81216dc8>] linkwatch_event+0x20/0x26
>                               [<ffffffff81047887>] run_workqueue+0xf1/0x1f3
>                               [<ffffffff81047a6c>] worker_thread+0xe3/0xf2
>                 [<ffffffffffffffff>] 0xffffffffffffffff
>      in-hardirq-W at:
>                             [<ffffffffffffffff>] 0xffffffffffffffff
>      in-softirq-W at:
>                             [<ffffffffffffffff>] 0xffffffffffffffff
>    }
>    ... key      at: [<ffffffff8197b120>] __key.25789+0x0/0x8
>   ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff81087e60>] get_page_from_freelist+0x393/0x734
>    [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>    [<ffffffff81087e60>] get_page_from_freelist+0x393/0x734
>    [<ffffffff810883d3>] __alloc_pages+0xe6/0x3a5
>    [<ffffffff810553e2>] lock_release_holdtime+0x16/0xfe
>    [<ffffffff810a7a19>] new_slab+0x63/0x22a
>    [<ffffffff810a8119>] __slab_alloc+0x205/0x44e
>    [<ffffffff81206ed2>] pskb_expand_head+0x46/0x155
>    [<ffffffff81206ed2>] pskb_expand_head+0x46/0x155
>    [<ffffffff810a94eb>] __kmalloc+0xa7/0xee
>    [<ffffffff81206ed2>] pskb_expand_head+0x46/0x155
>    [<ffffffff881641a6>] sta_info_get+0x57/0x61 [mac80211]
>    [<ffffffff8817331a>] ieee80211_subif_start_xmit+0x3a3/0x5bd [mac80211]
>    [<ffffffff810a89b4>] kmem_cache_free+0xbb/0xc7
>    [<ffffffff81056e1a>] trace_hardirqs_on+0xef/0x129
>    [<ffffffff810553e2>] lock_release_holdtime+0x16/0xfe
>    [<ffffffff8120cf60>] dev_hard_start_xmit+0x221/0x29c
>    [<ffffffff8121e395>] __qdisc_run+0x88/0x18b
>    [<ffffffff8120d242>] dev_queue_xmit+0x16d/0x2be
>    [<ffffffff812306e5>] ip_push_pending_frames+0x327/0x39c
>    [<ffffffff8124e0b1>] udp_push_pending_frames+0x2b4/0x319
>    [<ffffffff8124f549>] udp_sendmsg+0x529/0x666
>    [<ffffffff8110b1df>] socket_has_perm+0x58/0x5d
>    [<ffffffff810553e2>] lock_release_holdtime+0x16/0xfe
>    [<ffffffff81201131>] sock_sendmsg+0xe2/0xff
>    [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>    [<ffffffff8102fe59>] default_wake_function+0x0/0xe
>    [<ffffffff88423b90>] tun_chr_aio_write+0x1df/0x227 [tun]
>    [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>    [<ffffffff81056c84>] mark_held_locks+0x57/0x72
>    [<ffffffff81201c93>] sys_sendto+0x12b/0x154
>    [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>   -> (base_lock_keys + cpu){++..} ops: 0 {
>      initial-use  at:
>                             [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                             [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                             [<ffffffff81040f9c>] lock_timer_base+0x26/0x4b
>                             [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>                             [<ffffffff81040f9c>] lock_timer_base+0x26/0x4b
>                             [<ffffffff81041178>] __mod_timer+0x37/0xcc
>                             [<ffffffff81051a37>] clocksource_register+0x1c1/0x1db
>                             [<ffffffff814a69af>] start_kernel+0x1cd/0x308
>                             [<ffffffff814a6118>] _sinittext+0x118/0x11e
>                             [<ffffffffffffffff>] 0xffffffffffffffff
>      in-hardirq-W at:
>                             [<ffffffffffffffff>] 0xffffffffffffffff
>      in-softirq-W at:
>                             [<ffffffffffffffff>] 0xffffffffffffffff
>    }
>    ... key      at: [<ffffffff815a3d70>] base_lock_keys+0x0/0x200
>    -> (base_lock_keys + cpu#2){++..} ops: 0 {
>       initial-use  at:
>                               [<ffffffffffffffff>] 0xffffffffffffffff
>       in-hardirq-W at:
>                               [<ffffffffffffffff>] 0xffffffffffffffff
>       in-softirq-W at:
>                               [<ffffffffffffffff>] 0xffffffffffffffff
>     }
>     ... key      at: [<ffffffff815a3d78>] base_lock_keys+0x8/0x200
>    ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff81040747>] timer_cpu_notify+0x255/0x327
>    [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>    [<ffffffff81040747>] timer_cpu_notiffff810b412a>] pipe_write+0x4b5/0x4e9
>    [<ffffffff8110a268>] avc_has_perm+0x4c/0x5e
>    [<ffffffff810ad774>] do_sync_write+0xce/0x113
>    [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>    [<ffffffff8110bb23>] file_has_perm+0x81/0x8a
>    [<ffffffff810ae09a>] vfs_write+0xc9/0x172
>    [<ffffffff810ae1ff>] sys_write+0x45/0x6e
>    [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>     ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff81055d7f>] save_trace+0x37/0x95
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff810303f0>] __wake_up+0x22/0x4e
>    [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>    [<ffffffff810303f0>] __wake_up+0x22/0x4e
>    [<ffffffff810480ad>] __queue_work+0x23/0x33
>    [<ffffffff81048139>] queue_work+0x45/0x4e
>    [<ffffffff810474ee>] call_usermodehelper_exec+0x7a/0xd3
>    [<ffffffff81130166>] kobject_uevent_env+0x394/0x3cd
>    [<ffffffff8112f916>] kset_register+0x34/0x3a
>    [<ffffffff811abd47>] bus_register+0x75/0x236
>    [<ffffffff814c5df0>] platform_bus_init+0x1f/0x35
>    [<ffffffff814c5e52>] driver_init+0x1d/0x2d
>    [<ffffffff814a63d7>] kernel_init+0x1a9/0x37b
>    [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>    [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>    [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>    [<ffffffff8100ce88>] child_rip+0xa/0x12
>    [<ffffffff8100c59f>] restore_args+0x0/0x30
>    [<ffffffff814a622e>] kernel_init+0x0/0x37b
>    [<ffffffff8100ce7e>] child_rip+0x0/0x12
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>    ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8101cc78>] lapic_next_event+0x0/0xa
>    [<ffffffff8100c59f>] restore_args+0x0/0x30
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff8104809a>] __queue_work+0x10/0x33
>    [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>    [<ffffffff8104809a>] __queue_work+0x10/0x33
>    [<ffffffff81048139>] queue_work+0x45/0x4e
>    [<ffffffff81216afd>] linkwatch_schedule_work+0x55/0x95
>    [<ffffffff8121e2fb>] netif_carrier_on+0x18/0x2a
>    [<ffffffff884561d9>] bond_set_carrier+0x37/0x5d [bonding]
>    [<ffffffff88457caa>] bond_enslave+0x743/0x80c [bonding]
>    [<ffffffff88458b25>] bond_do_ioctl+0x2ab/0x401 [bonding]
>    [<ffffffff8120b78c>] __dev_get_by_name+0x72/0x89
>    [<ffffffff8120ed86>] dev_ioctl+0x556/0x601
>    [<ffffffff81254693>] devinet_ioctl+0x5a5/0x5ce
>    [<ffffffff81281f9d>] do_page_fault+0x405/0x75a
>    [<ffffffff81200765>] sock_ioctl+0x1f8/0x206
>    [<ffffffff810b9589>] do_ioctl+0x21/0x6c
>    [<ffffffff810b9810>] vfs_ioctl+0x23c/0x252
>    [<ffffffff810b9877>] sys_ioctl+0x51/0x72
>    [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>    -> (_xmit_ETHER){-+..} ops: 0 {
>       initial-use  at:
>                               [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                               [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                               [<ffffffff8121033f>] dev_mc_add+0x22/0x77
>                               [<ffffffff8127fd8f>] _spin_lock_bh+0x2b/0x57
>                               [<ffffffff8121033f>] dev_mc_add+0x22/0x77
>                               [<ffffffff883170fa>] igmp6_group_added+0x63/0x15b [ipv6]
>                               [<ffffffff8103dda7>] local_bh_enable_ip+0xd6/0xdc
>                               [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                               [<ffffffff883174e8>] ipv6_dev_mc_inc+0x2bb/0x33e [ipv6]
>                               [<ffffffff8831752c>] ipv6_dev_mc_inc+0x2ff/0x33e [ipv6]
>                               [<ffffffff883051f4>] ipv6_add_dev+0x2a0/0x2c5 [ipv6]
>                               [<ffffffff88305782>] addrconf_notify+0x75/0x863 [ipv6]
>                               [<ffffffff81056c84>] mark_held_locks+0x57/0x72
>                               [<ffffffff8127e8d9>] mutex_lockcast+0x1e0/0x24a
>                                     [<ffffffff8110e1be>] selinux_netlink_send+0xd4/0xea
>                                     [<ffffffff812262d5>] netlink_sendmsg+0x2cf/0x2e2
>                                     [<ffffffff81201131>] sock_sendmsg+0xe2/0xff
>                                     [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>                                     [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>                                     [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                     [<ffffffff81201365>] sys_sendmsg+0x217/0x28a
>                                     [<ffffffff81201ca7>] sys_sendto+0x13f/0x154
>                                     [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>                                     [<ffffffffffffffff>] 0xffffffffffffffff
>          in-softirq-W at:
>                                     [<ffffffffffffffff>] 0xffffffffffffffff
>        }
>        ... key      at: [<ffffffff881be7f0>] __key.31698+0x0/0xfffffffffffef5e1 [iwl3945]
>        -> (&n->list_lock){++..} ops: 0 {
>           initial-use  at:
>                                       [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                       [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                       [<ffffffff810a5d09>] add_partial+0x12/0x30
>                                       [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>                                       [<ffffffff810a5d09>] add_partial+0x12/0x30
>                                       [<ffffffff810a68b4>] unfreeze_slab+0x3d/0xae
>                                       [<ffffffff810a7ffc>] __slab_alloc+0xe8/0x44e
>                                       [<ffffffff8108658c>] process_zones+0x5d/0x177
>                                       [<ffffffff810a83df>] kmem_cache_alloc_node+0x7d/0xb3
>                                       [<ffffffff8108658c>] process_zones+0x5d/0x177
>                                       [<ffffffff810a83c4>] kmem_cache_alloc_node+0x62/0xb3
>                                       [<ffffffff8108658c>] process_zones+0x5d/0x177
>                                       [<ffffffff814bb7dd>] setup_per_cpu_pageset+0x11/0x26
>                                       [<ffffffff814a6a4f>] start_kernel+0x26d/0x308
>                                       [<ffffffff814a6118>] _sinittext+0x118/0x11e
>                                       [<ffffffffffffffff>] 0xffffffffffffffff
>           in-hardirq-W at:
>                                       [<ffffffffffffffff>] 0xffffffffffffffff
>           in-softirq-W at:
>                                       [<ffffffffffffffff>] 0xffffffffffffffff
>         }
>         ... key      at: [<ffffffff8197eba8>] __key.19742+0x0/0x8
>        ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8108e16a>] zone_statistics+0x41/0x62
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff810a68cc>] unfreeze_slab+0x55/0xae
>    [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>    [<ffffffff810a68cc>] unfreeze_slab+0x55/0xae
>    [<ffffffff810a7ffc>] __slab_alloc+0xe8/0x44e
>    [<ffffffff81207703>] __alloc_skb+0x3f/0x12f
>    [<ffffffff81207703>] __alloc_skb+0x3f/0x12f
>    [<ffffffff810a83c4>] kmem_cache_alloc_node+0x62/0xb3
>    [<ffffffff81207703>] __alloc_skb+0x3f/0x12f
>    [<ffffffff881a2b71>] iwl3945_rx_allocate+0x4a/0x103 [iwl3945]
>    [<ffffffff881a3c06>] iwl3945_rx_replenish+0x14/0x37 [iwl3945]
>    [<ffffffff881ab652>] iwl3945_hw_nic_init+0x100d/0x1c63 [iwl3945]
>    [<ffffffff8819af92>] iwl3945_mac_start+0x9c1/0xc3e [iwl3945]
>    [<ffffffff8819af92>] iwl3945_mac_start+0x9c1/0xc3e [iwl3945]
>    [<ffffffff810a66aa>] check_object+0x156/0x205
>    [<ffffffff88199a29>] __iwl3945_up+0x17d/0xce5 [iwl3945]
>    [<ffffffff810a8604>] kfree+0xd8/0xe4
>    [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>    [<ffffffff8819afed>] iwl3945_mac_start+0xa1c/0xc3e [iwl3945]
>    [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>    [<ffffffff8108e16a>] zone_statistics+0x41/0x62
>    [<ffffffff88161a28>] ieee80211_open+0x1cc/0x3cd [mac80211]
>    [<ffffffff8103dda7>] local_bh_enable_ip+0xd6/0xdc
>    [<ffffffff8120dc4d>] dev_open+0x4f/0x90
>    [<ffffffff8120d782>] dev_change_flags+0xaa/0x168
>    [<ffffffff81214ef2>] do_setlink+0x288/0x34b
>    [<ffffffff810553e2>] lock_release_holdtime+0x16/0xfe
>    [<ffffffff81216418>] rtnetlink_rcv_msg+0x0/0x1ed
>    [<ffffffff81216418>] rtnetlink_rcv_msg+0x0/0x1ed
>    [<ffffffff812150a3>] rtnl_setlink+0xee/0x10d
>    [<ffffffff81216418>] rtnetlink_rcv_msg+0x0/0x1ed
>    [<ffffffff81226550>] netlink_rcv_skb+0x34/0x90
>    [<ffffffff81216412>] rtnetlink_rcv+0x21/0x27
>    [<ffffffff81225f9c>] netlink_unicast+0x1e0/0x24a
>    [<ffffffff8110e1be>] selinux_netlink_send+0xd4/0xea
>    [<ffffffff812262d5>] netlink_sendmsg+0x2cf/0x2e2
>    [<ffffffff81201131>] sock_sendmsg+0xe2/0xff
>    [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>    [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>    [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>    [<ffffffff81201365>] sys_sendmsg+0x217/0x28a
>    [<ffffffff81201ca7>] sys_sendto+0x13f/0x154
>    [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>        -> (&zone->lock){++..} ops: 0 {
>           initial-use  at:
>                                       [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                       [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                       [<ffffffff810860c2>] free_pages_bulk+0x30/0x2cf
>                                       [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>                                       [<ffffffff810860c2>] free_pages_bulk+0x30/0x2cf
>                                       [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                       [<ffffffff81087904>] free_hot_cold_page+0x188/0x1c4
>                                       [<ffffffff814b9e36>] free_all_bootmem_core+0xf0/0x19f
>                                       [<ffffffff814b58f9>] numa_free_all_bootmem+0x3f/0x76
>                                       [<ffffffff81286095>] _etext+0x0/0x416b
>                                       [<ffffffff814b52f1>] mem_init+0x35/0x16b
>                                       [<ffffffff814a6a45>] start_kernel+0x263/0x308
>                                       [<ffffffff814a6118>] _sinittext+0x118/0x11e
>                                       [<ffffffffffffffff>] 0xffffffffffffffff
>           in-hardirq-W at:
>                                       [<ffffffffffffffff>] 0xffffffffffffffff
>           in-softirq-W at:
>                                       [<ffffffffffffffff>] 0xffffffffffffffff
>         }
>         ... key      at: [<ffffffff8197b120>] __key.25789+0x0/0x8
>        ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff81055281>] find_usage_backwards+0x9f/0xc0
>    [<ffffffff81049e1e>] __kernel_text_address+0x34/0x3f
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff81085f95>] rmqueue_bulk+0x37/0x9b
>    [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>    [<ffffffff81085f95>] rmqueue_bulk+0x37/0x9b
>    [<ffffffff81055d7f>] save_trace+0x37/0x95
>    [<ffffffff810881e1>] get_page_from_freelist+0x714/0x734
>    [<ffffffff810883d3>] __alloc_pages+0xe6/0x3a5
>    [<ffffffff81207703>] __alloc_skb+0x3f/0x12f
>    [<ffffffff81087a8e>] __get_free_pages+0xe/0x4d
>    [<ffffffff8120772f>] __alloc_skb+0x6b/0x12f
>    [<ffffffff881a2b71>] iwl3945_rx_allocate+0x4a/0x103 [iwl3945]
>    [<ffffffff881a3c06>] iwl3945_rx_replenish+0x14/0x37 [iwl3945]
>    [<ffffffff881ab652>] iwl3945_hw_nic_init+0x100d/0x1c63 [iwl3945]
>    [<ffffffff8819af92>] iwl3945_mac_start+0x9c1/0xc3e [iwl3945]
>    [<ffffffff8819af92>] iwl3945_mac_start+0x9c1/0xc3e [iwl3945]
>    [<ffffffff810a66aa>] check_object+0x156/0x205
>    [<ffffffff88199a29>] __iwl3945_up+0x17d/0xce5 [iwl3945]
>    [<ffffffff810a8604>] kfree+0xd8/0xe4
>    [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>    [<ffffffff8819afed>] iwl3945_mac_start+0xa1c/0xc3e [iwl3945]
>    [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>    [<ffffffff8108e16a>] zone_statistics+0x41/0x62
>    [<ffffffff88161a28>] ieee80211_open+0x1cc/0x3cd [mac80211]
>    [<ffffffff8103dda7>] local_bh_enable_ip+0xd6/0xdc
>    [<ffffffff8120dc4d>] dev_open+0x4f/0x90
>    [<ffffffff8120d782>] dev_change_flags+0xaa/0x168
>    [<ffffffff81214ef2>] do_setlink+0x288/0x34b
>    [<ffffffff810553e2>] lock_release_holdtime+0x16/0xfe
>    [<ffffffff81216418>] rtnetlink_rcv_msg+0x0/0x1ed
>    [<ffffffff81216418>] rtnetlink_rcv_msg+0x0/0x1ed
>    [<ffffffff812150a3>] rtnl_setlink+0xee/0x10d
>    [<ffffffff81216418>] rtnetlink_rcv_msg+0x0/0x1ed
>    [<ffffffff81226550>] netlink_rcv_skb+0x34/0x90
>    [<ffffffff81216412>] rtnetlink_rcv+0x21/0x27
>    [<ffffffff81225f9c>] netlink_unicast+0x1e0/0x24a
>    [<ffffffff8110e1be>] selinux_netlink_send+0xd4/0xea
>    [<ffffffff812262d5>] netlink_sendmsg+0x2cf/0x2e2
>    [<ffffffff81201131>] sock_sendmsg+0xe2/0xff
>    [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>    [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>    [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>    [<ffffffff81201365>] sys_sendmsg+0x217/0x28a
>    [<ffffffff81201ca7>] sys_sendto+0x13f/0x154
>    [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>        -> (&q->lock){++..} ops: 0 {
>           initial-use  at:
>                                       [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                       [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                       [<ffffffff8127de5c>] wait_for_common+0x3c/0x10c
>                                       [<ffffffff8127fde7>] _spin_lock_irq+0x2c/0x58
>                                       [<ffffffff8127de5c>] wait_for_common+0x3c/0x10c
>                                       [<ffffffff810553e2>] lock_release_holdtime+0x16/0xfe
>                                       [<ffffffff8104bb23>] kthread_create+0x9a/0x10b
>                                       [<ffffffff810353c9>] migration_thread+0x0/0x235
>                                       [<ffffffff81056c84>] mark_held_locks+0x57/0x72
>                                       [<ffffffff8127fc2f>] _spin_unlock_irqrestore+0x3f/0x45
>                                       [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                       [<ffffffff81033582>] migration_call+0x5a/0x43f
>                                       [<ffffffff814b7116>] migration_init+0x28/0x56
>                                       [<ffffffff814a6299>] kernel_init+0x6b/0x37b
>                                       [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                       [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>                                       [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                       [<ffffffff8100ce88>] child_rip+0xa/0x12
>                                       [<ffffffff8100c59f>] restore_args+0x0/0x30
>                                       [<ffffffff814a622e>] kernel_init+0x0/0x37b
>                                       [<ffffffff8100ce7e>] child_rip+0x0/0x12
>                                       [<ffffffffffffffff>] 0xffffffffffffffff
>           in-hardirq-W at:
>                                       [<ffffffffffffffff>] 0xffffffffffffffff
>           in-softirq-W at:
>                                       [<ffffffffffffffff>] 0xffffffffffffffff
>         }
>         ... key      at: [<ffffffff815a4690>] __key.17179+0x0/0x10
>         -> (&rq->rq_lock_key){++..} ops: 0 {
>            initial-use  at:
>                                         [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                         [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                         [<ffffffff810302ac>] init_idle+0x134/0x16b
>                                         [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>                                         [<ffffffff810302ac>] init_idle+0x134/0x16b
>                                         [<ffffffff814b70c0>] sched_init+0x362/0x390
>                                         [<ffffffff814a6901>] start_kernel+0x11f/0x308
>                                         [<ffffffff814a6118>] _sinittext+0x118/0x11e
>                                         [<ffffffffffffffff>] 0xffffffffffffffff
>            in-hardirq-W at:
>                                         [<ffffffffffffffff>] 0xffffffffffffffff
>            in-softirq-W at:
>                                         [<ffffffffffffffff>] 0xffffffffffffffff
>          }
>          ... key      at: [<ffff81000106c7e8>] 0xffff81000106c7e8
>          -> (&rq->rq_lock_key#2){++..} ops: 0 {
>             initial-use  at:
>                                           [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                           [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                           [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>                                           [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>                                           [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>                                           [<ffffffff810335ae>] migration_call+0x86/0x43f
>                                           [<ffffffff8127e8d9>] mutex_lock_nested+0x279/0x295
>                                           [<ffffffff8128231b>] notifier_call_chain+0x29/0x4c
>                                           [<ffffffff8105d253>] _cpu_up+0x77/0x13a
>                                           [<ffffffff8105d373>] cpu_up+0x5d/0x71
>                                           [<ffffffff814a62e2>] kernel_init+0xb4/0x37b
>                                           [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                           [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>                                           [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                           [<ffffffff8100ce88>] child_rip+0xa/0x12
>                                           [<ffffffff8100c59f>] restore_args+0x0/0x30
>                                           [<ffffffff814a622e>] kernel_init+0x0/0x37b
>                                           [<ffffffff8100ce7e>] child_rip+0x0/0x12
>                                           [<ffffffffffffffff>] 0xffffffffffffffff
>             in-hardirq-W at:
>                                           [<ffffffffffffffff>] 0xffffffffffffffff
>             in-softirq-W at:
>                                           [<ffffffffffffffff>] 0xffffffffffffffff
>           }
>           ... key      at: [<ffff8100010d77e8>] 0xffff8100010d77e8
>          ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8127fbed>] _spin_unlock_irq+0x24/0x27
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff8102f220>] double_rq_lock+0x39/0x4d
>    [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>    [<ffffffff8102f220>] double_rq_lock+0x39/0x4d
>    [<ffffffff8102f3bd>] __migrate_task+0x68/0xf6
>    [<ffffffff81035597>] migration_thread+0x1ce/0x235
>    [<ffffffff810353c9>] migration_thread+0x0/0x235
>    [<ffffffff8104b983>] kthread+0x47/0x73
>    [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>    [<ffffffff8100ce88>] child_rip+0xa/0x12
>    [<ffffffff8100c59f>] restore_args+0x0/0x30
>    [<ffffffff8104b917>] kthreadd+0x12c/0x151
>    [<ffffffff8104b93c>] kthread+0x0/0x73
>    [<ffffffff8100ce7e>] child_rip+0x0/0x12
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>         ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>    [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>    [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>    [<ffffffff8102fa2c>] try_to_wake_up+0x24/0x451
>    [<ffffffff8102c5e5>] __wake_up_common+0x46/0x75
>    [<ffffffff81030366>] complete+0x38/0x4a
>    [<ffffffff810353c9>] migration_thread+0x0/0x235
>    [<ffffffff8104b962>] kthread+0x26/0x73
>    [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>    [<ffffffff8100ce88>] child_rip+0xa/0x12
>    [<ffffffff8100c59f>] restore_args+0x0/0x30
>    [<ffffffff8104b917>] kthreadd+0x12c/0x151
>    [<ffffffff8104b93c>] kthread+0x0/0x73
>    [<ffffffff8100ce7e>] child_rip+0x0/0x12
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>         -> (&rq->rq_lock_key#2){++..} ops: 0 {
>            initial-use  at:
>                                         [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                         [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                         [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>                                         [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>                                         [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>                                         [<ffffffff810335ae>] migration_call+0x86/0x43f
>                                         [<ffffffff8127e8d9>] mutex_lock_nested+0x279/0x295
>                                         [<ffffffff8128231b>] notifier_call_chain+0x29/0x4c
>                                         [<ffffffff8105d253>] _cpu_up+0x77/0x13a
>                                         [<ffffffff8105d373>] cpu_up+0x5d/0x71
>                                         [<ffffffff814a62e2>] kernel_init+0xb4/0x37b
>                                         [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                         [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>                                         [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                         [<ffffffff8100ce88>] child_rip+0xa/0x12
>                                         [<ffffffff8100c59f>] restore_args+0x0/0x30
>                                         [<ffffffff814a622e>] kernel_init+0x0/0x37b
>                                         [<ffffffff8100ce7e>] child_rip+0x0/0x12
>                                         [<ffffffffffffffff>] 0xffffffffffffffff
>            in-hardirq-W at:
>                                         [<ffffffffffffffff>] 0xffffffffffffffff
>            in-softirq-W at:
>                                         [<ffffffffffffffff>] 0xffffffffffffffff
>          }
>          ... key      at: [<ffff8100010d77e8>] 0xffff8100010d77e8
>         ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>    [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>    [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>    [<ffffffff8102fa2c>] try_to_wake_up+0x24/0x451
>    [<ffffffff8102c5e5>] __wake_up_common+0x46/0x75
>    [<ffffffff81030366>] complete+0x38/0x4a
>    [<ffffffff81047989>] worker_thread+0x0/0xf2
>    [<ffffffff8104b962>] kthread+0x26/0x73
>    [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>    [<ffffffff8100ce88>] child_rip+0xa/0x12
>    [<ffffffff8100c59f>] restore_args+0x0/0x30
>    [<ffffffff8104b917>] kthreadd+0x12c/0x151
>    [<ffffffff8104b93c>] kthread+0x0/0x73
>    [<ffffffff8100ce7e>] child_rip+0x0/0x12
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>         -> (&ep->lock){.+..} ops: 0 {
>            initial-use  at:
>                                         [<ffffffff8105686c>] mark_lock+0x81/0x442
>                                         [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                         [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                         [<ffffffff810d70e0>] sys_epoll_ctl+0x26a/0x44f
>                                         [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>                                         [<ffffffff810d70e0>] sys_epoll_ctl+0x26a/0x44f
>                                         [<ffffffff810d72c5>] ep_ptable_queue_proc+0x0/0x76
>                                         [<ffffffff8100bf5e>] system_call+0x7e/0x83
>                                         [<ffffffffffffffff>] 0xffffffffffffffff
>            in-softirq-W at:
>                                         [<ffffffffffffffff>] 0xffffffffffffffff
>          }
>          ... key      at: [<ffffffff8197f9c8>] __key.18622+0x0/0x8
>          -> (&rq->rq_lock_key#2){++..} ops: 0 {
>             initial-use  at:
>                                           [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                           [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                           [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>                                           [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>                                           [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>                                           [<ffffffff810335ae>] migration_call+0x86/0x43f
>                                           [<ffffffff8127e8d9>] mutex_lock_nested+0x279/0x295
>                                           [<ffffffff8128231b>] notifier_call_chain+0x29/0x4c
>                                           [<ffffffff8105d253>] _cpu_up+0x77/0x13a
>                                           [<ffffffff8105d373>] cpu_up+0x5d/0x71
>                                           [<ffffffff814a62e2>] kernel_init+0xb4/0x37b
>                                           [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                           [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>                                           [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                           [<ffffffff8100ce88>] child_rip+0xa/0x12
>                                           [<ffffffff8100c59f>] restore_args+0x0/0x30
>                                           [<ffffffff814a622e>] kernel_init+0x0/0x37b
>                                           [<ffffffff8100ce7e>] child_rip+0x0/0x12
>                                           [<ffffffffffffffff>] 0xffffffffffffffff
>             in-hardirq-W at:
>                                           [<ffffffffffffffff>] 0xffffffffffffffff
>             in-softirq-W at:
>                                           [<ffffffffffffffff>] 0xffffffffffffffff
>           }
>           ... key      at: [<ffff8100010d77e8>] 0xffff8100010d77e8
>          ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff81055281>] find_usage_backwards+0x9f/0xc0
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>    [<ffffffff81013e2e>] save_stack_trace+0x20/0x3e
>    [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>    [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>    [<ffffffff8102fa2c>] try_to_wake_up+0x24/0x451
>    [<ffffffff8102c5e5>] __wake_up_common+0x46/0x75
>    [<ffffffff810d6e33>] ep_poll_callback+0x82/0xc5
>    [<ffffffff8102c5e5>] __wake_up_common+0x46/0x75
>    [<ffffffff810303b2>] __wake_up_sync+0x3a/0x56
>    [<ffffffff810b412a>] pipe_write+0x4b5/0x4e9
>    [<ffffffff8110a268>] avc_has_perm+0x4c/0x5e
>    [<ffffffff810ad774>] do_sync_write+0xce/0x113
>    [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>    [<ffffffff8110bb23>] file_has_perm+0x81/0x8a
>    [<ffffffff810ae09a>] vfs_write+0xc9/0x172
>    [<ffffffff810ae1ff>] sys_write+0x45/0x6e
>    [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>          -> (&rq->rq_lock_key){++..} ops: 0 {
>             initial-use  at:
>                                           [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                           [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                           [<ffffffff810302ac>] init_idle+0x134/0x16b
>                                           [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>                                           [<ffffffff810302ac>] init_idle+0x134/0x16b
>                                           [<ffffffff814b70c0>] sched_init+0x362/0x390
>                                           [<ffffffff814a6901>] start_kernel+0x11f/0x308
>                                           [<ffffffff814a6118>] _sinittext+0x118/0x11e
>                                           [<ffffffffffffffff>] 0xffffffffffffffff
>             in-hardirq-W at:
>                                           [<ffffffffffffffff>] 0xffffffffffffffff
>             in-softirq-W at:
>                                           [<ffffffffffffffff>] 0xffffffffffffffff
>           }
>           ... key      at: [<ffff81000106c7e8>] 0xffff81000106c7e8
>           -> (&rq->rq_lock_key#2){++..} ops: 0 {
>              initial-use  at:
>                                             [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                             [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                             [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>                                             [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>                                             [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>                                             [<ffffffff810335ae>] migration_call+0x86/0x43f
>                                             [<ffffffff8127e8d9>] mutex_lock_nested+0x279/0x295
>                                             [<ffffffff8128231b>] notifier_call_chain+0x29/0x4c
>                                             [<ffffffff8105d253>] _cpu_up+0x77/0x13a
>                                             [<ffffffff8105d373>] cpu_up+0x5d/0x71
>                                             [<ffffffff814a62e2>] kernel_init+0xb4/0x37b
>                                             [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                             [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>                                             [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                             [<ffffffff8100ce88>] child_rip+0xa/0x12
>                                             [<ffffffff8100c59f>] restore_args+0x0/0x30
>                                             [<ffffffff814a622e>] kernel_init+0x0/0x37b
>                                             [<ffffffff8100ce7e>] child_rip+0x0/0x12
>                                             [<ffffffffffffffff>] 0xffffffffffffffff
>              in-hardirq-W at:
>                                             [<ffffffffffffffff>] 0xffffffffffffffff
>              in-softirq-W at:
>                                             [<ffffffffffffffff>] 0xffffffffffffffff
>            }
>            ... key      at: [<ffff8100010d77e8>] 0xffff8100010d77e8
>           ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8127fbed>] _spin_unlock_irq+0x24/0x27
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff8102f220>] double_rq_lock+0x39/0x4d
>    [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>    [<ffffffff8102f220>] double_rq_lock+0x39/0x4d
>    [<ffffffff8102f3bd>] __migrate_task+0x68/0xf6
>    [<ffffffff81035597>] migration_thread+0x1ce/0x235
>    [<ffffffff810353c9>] migration_thread+0x0/0x235
>    [<ffffffff8104b983>] kthread+0x47/0x73
>    [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>    [<ffffffff8100ce88>] child_rip+0xa/0x12
>    [<ffffffff8100c59f>] restore_args+0x0/0x30
>    [<ffffffff8104b917>] kthreadd+0x12c/0x151
>    [<ffffffff8104b93c>] kthread+0x0/0x73
>    [<ffffffff8100ce7e>] child_rip+0x0/0x12
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>          ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff81056c84>] mark_held_locks+0x57/0x72
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>    [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>    [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>    [<ffffffff8102fa2c>] try_to_wake_up+0x24/0x451
>    [<ffffffff8102c5e5>] __wake_up_common+0x46/0x75
>    [<ffffffff810d6e33>] ep_poll_callback+0x82/0xc5
>    [<ffffffff8102c5e5>] __wake_up_common+0x46/0x75
>    [<ffffffff81030406>] __wake_up+0x38/0x4e
>    [<ffffffff8120327e>] sock_def_wakeup+0x3c/0x48
>    [<ffffffff81274583>] unix_release_sock+0x139/0x213
>    [<ffffffff812014e0>] sock_release+0x19/0x74
>    [<ffffffff81201567>] sock_close+0x2c/0x30
>    [<ffffffff810aea54>] __fput+0xc2/0x18b
>    [<ffffffff810abfb8>] filp_close+0x5a/0x61
>    [<ffffffff810ac062>] sys_close+0xa3/0xe1
>    [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>         ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff81087ef8>] get_page_from_freelist+0x42b/0x734
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff810d6dc5>] ep_poll_callback+0x14/0xc5
>    [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>    [<ffffffff810d6dc5>] ep_poll_callback+0x14/0xc5
>    [<ffffffff8102c5e5>] __wake_up_common+0x46/0x75
>    [<ffffffff810303b2>] __wake_up_sync+0x3a/0x56
>    [<ffffffff810b412a>] pipe_write+0x4b5/0x4e9
>    [<ffffffff8110a268>] avc_has_perm+0x4c/0x5e
>    [<ffffffff810ad774>] do_sync_write+0xce/0x113
>    [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>    [<ffffffff8110bb23>] file_has_perm+0x81/0x8a
>    [<ffffffff810ae09a>] vfs_write+0xc9/0x172
>    [<ffffffff810ae1ff>] sys_write+0x45/0x6e
>    [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>        ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff81087cf0>] get_page_from_freelist+0x223/0x734
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff810303f0>] __wake_up+0x22/0x4e
>    [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>    [<ffffffff810303f0>] __wake_up+0x22/0x4e
>    [<ffffffff81088406>] __alloc_pages+0x119/0x3a5
>    [<ffffffff81207703>] __alloc_skb+0x3f/0x12f
>    [<ffffffff81087a8e>] __get_free_pages+0xe/0x4d
>    [<ffffffff8120772f>] __alloc_skb+0x6b/0x12f
>    [<ffffffff881a2b71>] iwl3945_rx_allocate+0x4a/0x103 [iwl3945]
>    [<ffffffff881a3c29>] iwl3945_bg_rx_replenish+0x0/0x40 [iwl3945]
>    [<ffffffff881a3c06>] iwl3945_rx_replenish+0x14/0x37 [iwl3945]
>    [<ffffffff881a3c5a>] iwl3945_bg_rx_replenish+0x31/0x40 [iwl3945]
>    [<ffffffff8104783d>] run_workqueue+0xa7/0x1f3
>    [<ffffffff81047887>] run_workqueue+0xf1/0x1f3
>    [<ffffffff81047a6c>] worker_thread+0xe3/0xf2
>    [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>    [<ffffffff81047989>] worker_thread+0x0/0xf2
>    [<ffffffff8104b983>] kthread+0x47/0x73
>    [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>    [<ffffffff8100ce88>] child_rip+0xa/0x12
>    [<ffffffff8100c59f>] restore_args+0x0/0x30
>    [<ffffffff8104b917>] kthreadd+0x12c/0x151
>    [<ffffffff8104b93c>] kthread+0x0/0x73
>    [<ffffffff8100ce7e>] child_rip+0x0/0x12
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>       ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff8819bd03>] iwl3945_rx_queue_restock+0x20/0x133 [iwl3945]
>    [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>    [<ffffffff8819bd03>] iwl3945_rx_queue_restock+0x20/0x133 [iwl3945]
>    [<ffffffff881a3c19>] iwl3945_rx_replenish+0x27/0x37 [iwl3945]
>    [<ffffffff881ab652>] iwl3945_hw_nic_init+0x100d/0x1c63 [iwl3945]
>    [<ffffffff8819af92>] iwl3945_mac_start+0x9c1/0xc3e [iwl3945]
>    [<ffffffff8819af92>] iwl3945_mac_start+0x9c1/0xc3e [iwl3945]
>    [<ffffffff810a66aa>] check_object+0x156/0x205
>    [<ffffffff88199a29>] __iwl3945_up+0x17d/0xce5 [iwl3945]
>    [<ffffffff810a8604>] kfree+0xd8/0xe4
>    [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>    [<ffffffff8819afed>] iwl3945_mac_start+0xa1c/0xc3e [iwl3945]
>    [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>    [<ffffffff8108e16a>] zone_statistics+0x41/0x62
>    [<ffffffff88161a28>] ieee80211_open+0x1cc/0x3cd [mac80211]
>    [<ffffffff8103dda7>] local_bh_enable_ip+0xd6/0xdc
>    [<ffffffff8120dc4d>] dev_open+0x4f/0x90
>    [<ffffffff8120d782>] dev_change_flags+0xaa/0x168
>    [<ffffffff81214ef2>] do_setlink+0x288/0x34b
>    [<ffffffff810553e2>] lock_release_holdtime+0x16/0xfe
>    [<ffffffff81216418>] rtnetlink_rcv_msg+0x0/0x1ed
>    [<ffffffff81216418>] rtnetlink_rcv_msg+0x0/0x1ed
>    [<ffffffff812150a3>] rtnl_setlink+0xee/0x10d
>    [<ffffffff81216418>] rtnetlink_rcv_msg+0x0/0x1ed
>    [<ffffffff81226550>] netlink_rcv_skb+0x34/0x90
>    [<ffffffff81216412>] rtnetlink_rcv+0x21/0x27
>    [<ffffffff81225f9c>] netlink_unicast+0x1e0/0x24a
>    [<ffffffff8110e1be>] selinux_netlink_send+0xd4/0xea
>    [<ffffffff812262d5>] netlink_sendmsg+0x2cf/0x2e2
>    [<ffffffff81201131>] sock_sendmsg+0xe2/0xff
>    [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>    [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>    [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>    [<ffffffff81201365>] sys_sendmsg+0x217/0x28a
>    [<ffffffff81201ca7>] sys_sendto+0x13f/0x154
>    [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>       -> (base_lock_keys + cpu#2){++..} ops: 0 {
>          initial-use  at:
>                                     [<ffffffffffffffff>] 0xffffffffffffffff
>          in-hardirq-W at:
>                                     [<ffffffffffffffff>] 0xffffffffffffffff
>          in-softirq-W at:
>                                     [<ffffffffffffffff>] 0xffffffffffffffff
>        }
>        ... key      at: [<ffffffff815a3d78>] base_lock_keys+0x8/0x200
>       ... acquired at:
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>       -> (base_lock_keys + cpu){++..} ops: 0 {
>          initial-use  at:
>                                     [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                     [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                     [<ffffffff81040f9c>] lock_timer_base+0x26/0x4b
>                                     [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>                                     [<ffffffff81040f9c>] lock_timer_base+0x26/0x4b
>                                     [<ffffffff81041178>] __mod_timer+0x37/0xcc
>                                     [<ffffffff81051a37>] clocksource_register+0x1c1/0x1db
>                                     [<ffffffff814a69af>] start_kernel+0x1cd/0x308
>                                     [<ffffffff814a6118>] _sinittext+0x118/0x11e
>                                     [<ffffffffffffffff>] 0xffffffffffffffff
>          in-hardirq-W at:
>                                     [<ffffffffffffffff>] 0xffffffffffffffff
>          in-softirq-W at:
>                                     [<ffffffffffffffff>] 0xffffffffffffffff
>        }
>        ... key      at: [<ffffffff815a3d70>] base_lock_keys+0x0/0x200
>        -> (base_lock_keys + cpu#2){++..} ops: 0 {
>           initial-use  at:
>                                       [<ffffffffffffffff>] 0xffffffffffffffff
>           in-hardirq-W at:
>                                       [<ffffffffffffffff>] 0xffffffffffffffff
>           in-softirq-W at:
>                                       [<ffffffffffffffff>] 0xffffffffffffffff
>         }
>         ... key      at: [<ffffffff815a3d78>] base_lock_keys+0x8/0x200
>        ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff81040747>] timer_cpu_notify+0x255/0x327
>    [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>    [<ffffffff81040747>] timer_cpu_notify+0x255/0x327
>    [<ffffffff8128231b>] notifier_call_chain+0x29/0x4c
>    [<ffffffff8105d60b>] _cpu_down+0x1b9/0x289
>    [<ffffffff8105d775>] disable_nonboot_cpus+0x59/0xe3
>    [<ffffffff81061a03>] suspend_devices_and_enter+0x77/0xf4
>    [<ffffffff81061bab>] enter_state+0x12b/0x1b0
>    [<ffffffff81061ce1>] state_store+0xb1/0xd1
>    [<ffffffff810f2653>] sysfs_write_file+0xd5/0x10c
>    [<ffffffff810ae09a>] vfs_write+0xc9/0x172
>    [<ffffffff810ae1ff>] sys_write+0x45/0x6e
>    [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>       ... acquired at:
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>       -> (&q->lock){++..} ops: 0 {
>          initial-use  at:
>                                     [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                     [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                     [<ffffffff8127de5c>] wait_for_common+0x3c/0x10c
>                                     [<ffffffff8127fde7>] _spin_lock_irq+0x2c/0x58
>                                     [<ffffffff8127de5c>] wait_for_common+0x3c/0x10c
>                                     [<ffffffff810553e2>] lock_release_holdtime+0x16/0xfe
>                                     [<ffffffff8104bb23>] kthread_create+0x9a/0x10b
>                                     [<ffffffff810353c9>] migration_thread+0x0/0x235
>                                     [<ffffffff81056c84>] mark_held_locks+0x57/0x72
>                                     [<ffffffff8127fc2f>] _spin_unlock_irqrestore+0x3f/0x45
>                                     [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                     [<ffffffff81033582>] migration_call+0x5a/0x43f
>                                     [<ffffffff814b7116>] migration_init+0x28/0x56
>                                     [<ffffffff814a6299>] kernel_init+0x6b/0x37b
>                                     [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                     [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>                                     [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                     [<ffffffff8100ce88>] child_rip+0xa/0x12
>                                     [<ffffffff8100c59f>] restore_args+0x0/0x30
>                                     [<ffffffff814a622e>] kernel_init+0x0/0x37b
>                                     [<ffffffff8100ce7e>] child_rip+0x0/0x12
>                                     [<ffffffffffffffff>] 0xffffffffffffffff
>          in-hardirq-W at:
>                                     [<ffffffffffffffff>] 0xffffffffffffffff
>          in-softirq-W at:
>                                     [<ffffffffffffffff>] 0xffffffffffffffff
>        }
>        ... key      at: [<ffffffff815a4690>] __key.17179+0x0/0x10
>        -> (&rq->rq_lock_key){++..} ops: 0 {
>           initial-use  at:
>                                       [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                       [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                       [<ffffffff810302ac>] init_idle+0x134/0x16b
>                                       [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>                                       [<ffffffff810302ac>] init_idle+0x134/0x16b
>                                       [<ffffffff814b70c0>] sched_init+0x362/0x390
>                                       [<ffffffff814a6901>] start_kernel+0x11f/0x308
>                                       [<ffffffff814a6118>] _sinittext+0x118/0x11e
>                                       [<ffffffffffffffff>] 0xffffffffffffffff
>           in-hardirq-W at:
>                                       [<ffffffffffffffff>] 0xffffffffffffffff
>           in-softirq-W at:
>                                       [<ffffffffffffffff>] 0xffffffffffffffff
>         }
>         ... key      at: [<ffff81000106c7e8>] 0xffff81000106c7e8
>         -> (&rq->rq_lock_key#2){++..} ops: 0 {
>            initial-use  at:
>                                         [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                         [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                         [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>                                         [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>                                         [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>                                         [<ffffffff810335ae>] migration_call+0x86/0x43f
>                                         [<ffffffff8127e8d9>] mutex_lock_nested+0x279/0x295
>                                         [<ffffffff8128231b>] notifier_call_chain+0x29/0x4c
>                                         [<ffffffff8105d253>] _cpu_up+0x77/0x13a
>                                         [<ffffffff8105d373>] cpu_up+0x5d/0x71
>                                         [<ffffffff814a62e2>] kernel_init+0xb4/0x37b
>                                         [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                         [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>                                         [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                         [<ffffffff8100ce88>] child_rip+0xa/0x12
>                                         [<ffffffff8100c59f>] restore_args+0x0/0x30
>                                         [<ffffffff814a622e>] kernel_init+0x0/0x37b
>                                         [<ffffffff8100ce7e>] child_rip+0x0/0x12
>                                         [<ffffffffffffffff>] 0xffffffffffffffff
>            in-hardirq-W at:
>                                         [<ffffffffffffffff>] 0xffffffffffffffff
>            in-softirq-W at:
>                                         [<ffffffffffffffff>] 0xffffffffffffffff
>          }
>          ... key      at: [<ffff8100010d77e8>] 0xffff8100010d77e8
>         ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8127fbed>] _spin_unlock_irq+0x24/0x27
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff8102f220>] double_rq_lock+0x39/0x4d
>    [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>    [<ffffffff8102f220>] double_rq_lock+0x39/0x4d
>    [<ffffffff8102f3bd>] __migrate_task+0x68/0xf6
>    [<ffffffff81035597>] migration_thread+0x1ce/0x235
>    [<ffffffff810353c9>] migration_thread+0x0/0x235
>    [<ffffffff8104b983>] kthread+0x47/0x73
>    [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>    [<ffffffff8100ce88>] child_rip+0xa/0x12
>    [<ffffffff8100c59f>] restore_args+0x0/0x30
>    [<ffffffff8104b917>] kthreadd+0x12c/0x151
>    [<ffffffff8104b93c>] kthread+0x0/0x73
>    [<ffffffff8100ce7e>] child_rip+0x0/0x12
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>        ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>    [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>    [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>    [<ffffffff8102fa2c>] try_to_wake_up+0x24/0x451
>    [<ffffffff8102c5e5>] __wake_up_common+0x46/0x75
>    [<ffffffff81030366>] complete+0x38/0x4a
>    [<ffffffff810353c9>] migration_thread+0x0/0x235
>    [<ffffffff8104b962>] kthread+0x26/0x73
>    [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>    [<ffffffff8100ce88>] child_rip+0xa/0x12
>    [<ffffffff8100c59f>] restore_args+0x0/0x30
>    [<ffffffff8104b917>] kthreadd+0x12c/0x151
>    [<ffffffff8104b93c>] kthread+0x0/0x73
>    [<ffffffff8100ce7e>] child_rip+0x0/0x12
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>        -> (&rq->rq_lock_key#2){++..} ops: 0 {
>           initial-use  at:
>                                       [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                       [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                       [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>                                       [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>                                       [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>                                       [<ffffffff810335ae>] migration_call+0x86/0x43f
>                                       [<ffffffff8127e8d9>] mutex_lock_nested+0x279/0x295
>                                       [<ffffffff8128231b>] notifier_call_chain+0x29/0x4c
>                                       [<ffffffff8105d253>] _cpu_up+0x77/0x13a
>                                       [<ffffffff8105d373>] cpu_up+0x5d/0x71
>                                       [<ffffffff814a62e2>] kernel_init+0xb4/0x37b
>                                       [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                       [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>                                       [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                       [<ffffffff8100ce88>] child_rip+0xa/0x12
>                                       [<ffffffff8100c59f>] restore_args+0x0/0x30
>                                       [<ffffffff814a622e>] kernel_init+0x0/0x37b
>                                       [<ffffffff8100ce7e>] child_rip+0x0/0x12
>                                       [<ffffffffffffffff>] 0xffffffffffffffff
>           in-hardirq-W at:
>                                       [<ffffffffffffffff>] 0xffffffffffffffff
>           in-softirq-W at:
>                                       [<ffffffffffffffff>] 0xffffffffffffffff
>         }
>         ... key      at: [<ffff8100010d77e8>] 0xffff8100010d77e8
>        ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>    [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>    [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>    [<ffffffff8102fa2c>] try_to_wake_up+0x24/0x451
>    [<ffffffff8102c5e5>] __wake_up_common+0x46/0x75
>    [<ffffffff81030366>] complete+0x38/0x4a
>    [<ffffffff81047989>] worker_thread+0x0/0xf2
>    [<ffffffff8104b962>] kthread+0x26/0x73
>    [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>    [<ffffffff8100ce88>] child_rip+0xa/0x12
>    [<ffffffff8100c59f>] restore_args+0x0/0x30
>    [<ffffffff8104b917>] kthreadd+0x12c/0x151
>    [<ffffffff8104b93c>] kthread+0x0/0x73
>    [<ffffffff8100ce7e>] child_rip+0x0/0x12
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>        -> (&ep->lock){.+..} ops: 0 {
>           initial-use  at:
>                                       [<ffffffff8105686c>] mark_lock+0x81/0x442
>                                       [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                       [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                       [<ffffffff810d70e0>] sys_epoll_ctl+0x26a/0x44f
>                                       [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>                                       [<ffffffff810d70e0>] sys_epoll_ctl+0x26a/0x44f
>                                       [<ffffffff810d72c5>] ep_ptable_queue_proc+0x0/0x76
>                                       [<ffffffff8100bf5e>] system_call+0x7e/0x83
>                                       [<ffffffffffffffff>] 0xffffffffffffffff
>           in-softirq-W at:
>                                       [<ffffffffffffffff>] 0xffffffffffffffff
>         }
>         ... key      at: [<ffffffff8197f9c8>] __key.18622+0x0/0x8
>         -> (&rq->rq_lock_key#2){++..} ops: 0 {
>            initial-use  at:
>                                         [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                         [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                         [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>                                         [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>                                         [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>                                         [<ffffffff810335ae>] migration_call+0x86/0x43f
>                                         [<ffffffff8127e8d9>] mutex_lock_nested+0x279/0x295
>                                         [<ffffffff8128231b>] notifier_call_chain+0x29/0x4c
>                                         [<ffffffff8105d253>] _cpu_up+0x77/0x13a
>                                         [<ffffffff8105d373>] cpu_up+0x5d/0x71
>                                         [<ffffffff814a62e2>] kernel_init+0xb4/0x37b
>                                         [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                         [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>                                         [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                         [<ffffffff8100ce88>] child_rip+0xa/0x12
>                                         [<ffffffff8100c59f>] restore_args+0x0/0x30
>                                         [<ffffffff814a622e>] kernel_init+0x0/0x37b
>                                         [<ffffffff8100ce7e>] child_rip+0x0/0x12
>                                         [<ffffffffffffffff>] 0xffffffffffffffff
>            in-hardirq-W at:
>                                         [<ffffffffffffffff>] 0xffffffffffffffff
>            in-softirq-W at:
>                                         [<ffffffffffffffff>] 0xffffffffffffffff
>          }
>          ... key      at: [<ffff8100010d77e8>] 0xffff8100010d77e8
>         ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff81055281>] find_usage_backwards+0x9f/0xc0
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>    [<ffffffff81013e2e>] save_stack_trace+0x20/0x3e
>    [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>    [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>    [<ffffffff8102fa2c>] try_to_wake_up+0x24/0x451
>    [<ffffffff8102c5e5>] __wake_up_common+0x46/0x75
>    [<ffffffff810d6e33>] ep_poll_callback+0x82/0xc5
>    [<ffffffff8102c5e5>] __wake_up_common+0x46/0x75
>    [<ffffffff810303b2>] __wake_up_sync+0x3a/0x56
>    [<ffffffff810b412a>] pipe_write+0x4b5/0x4e9
>    [<ffffffff8110a268>] avc_has_perm+0x4c/0x5e
>    [<ffffffff810ad774>] do_sync_write+0xce/0x113
>    [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>    [<ffffffff8110bb23>] file_has_perm+0x81/0x8a
>    [<ffffffff810ae09a>] vfs_write+0xc9/0x172
>    [<ffffffff810ae1ff>] sys_write+0x45/0x6e
>    [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>         -> (&rq->rq_lock_key){++..} ops: 0 {
>            initial-use  at:
>                                         [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                         [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                         [<ffffffff810302ac>] init_idle+0x134/0x16b
>                                         [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>                                         [<ffffffff810302ac>] init_idle+0x134/0x16b
>                                         [<ffffffff814b70c0>] sched_init+0x362/0x390
>                                         [<ffffffff814a6901>] start_kernel+0x11f/0x308
>                                         [<ffffffff814a6118>] _sinittext+0x118/0x11e
>                                         [<ffffffffffffffff>] 0xffffffffffffffff
>            in-hardirq-W at:
>                                         [<ffffffffffffffff>] 0xffffffffffffffff
>            in-softirq-W at:
>                                         [<ffffffffffffffff>] 0xffffffffffffffff
>          }
>          ... key      at: [<ffff81000106c7e8>] 0xffff81000106c7e8
>          -> (&rq->rq_lock_key#2){++..} ops: 0 {
>             initial-use  at:
>                                           [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                           [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                           [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>                                           [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>                                           [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>                                           [<ffffffff810335ae>] migration_call+0x86/0x43f
>                                           [<ffffffff8127e8d9>] mutex_lock_nested+0x279/0x295
>                                           [<ffffffff8128231b>] notifier_call_chain+0x29/0x4c
>                                           [<ffffffff8105d253>] _cpu_up+0x77/0x13a
>                                           [<ffffffff8105d373>] cpu_up+0x5d/0x71
>                                           [<ffffffff814a62e2>] kernel_init+0xb4/0x37b
>                                           [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                           [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>                                           [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                           [<ffffffff8100ce88>] child_rip+0xa/0x12
>                                           [<ffffffff8100c59f>] restore_args+0x0/0x30
>                                           [<ffffffff814a622e>] kernel_init+0x0/0x37b
>                                           [<ffffffff8100ce7e>] child_rip+0x0/0x12
>                                           [<ffffffffffffffff>] 0xffffffffffffffff
>             in-hardirq-W at:
>                                           [<ffffffffffffffff>] 0xffffffffffffffff
>             in-softirq-W at:
>                                           [<ffffffffffffffff>] 0xffffffffffffffff
>           }
>           ... key      at: [<ffff8100010d77e8>] 0xffff8100010d77e8
>          ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8127fbed>] _spin_unlock_irq+0x24/0x27
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff8102f220>] double_rq_lock+0x39/0x4d
>    [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>    [<ffffffff8102f220>] double_rq_lock+0x39/0x4d
>    [<ffffffff8102f3bd>] __migrate_task+0x68/0xf6
>    [<ffffffff81035597>] migration_thread+0x1ce/0x235
>    [<ffffffff810353c9>] migration_thread+0x0/0x235
>    [<ffffffff8104b983>] kthread+0x47/0x73
>    [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>    [<ffffffff8100ce88>] child_rip+0xa/0x12
>    [<ffffffff8100c59f>] restore_args+0x0/0x30
>    [<ffffffff8104b917>] kthreadd+0x12c/0x151
>    [<ffffffff8104b93c>] kthread+0x0/0x73
>    [<ffffffff8100ce7e>] child_rip+0x0/0x12
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>         ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff81056c84>] mark_held_locks+0x57/0x72
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>    [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>    [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>    [<ffffffff8102fa2c>] try_to_wake_up+0x24/0x451
>    [<ffffffff8102c5e5>] __wake_up_common+0x46/0x75
>    [<ffffffff810d6e33>] ep_poll_callback+0x82/0xc5
>    [<ffffffff8102c5e5>] __wake_up_common+0x46/0x75
>    [<ffffffff81030406>] __wake_up+0x38/0x4e
>    [<ffffffff8120327e>] sock_def_wakeup+0x3c/0x48
>    [<ffffffff81274583>] unix_release_sock+0x139/0x213
>    [<ffffffff812014e0>] sock_release+0x19/0x74
>    [<ffffffff81201567>] sock_close+0x2c/0x30
>    [<ffffffff810aea54>] __fput+0xc2/0x18b
>    [<ffffffff810abfb8>] filp_close+0x5a/0x61
>    [<ffffffff810ac062>] sys_close+0xa3/0xe1
>    [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>        ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff81087ef8>] get_page_from_freelist+0x42b/0x734
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff810d6dc5>] ep_poll_callback+0x14/0xc5
>    [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>    [<ffffffff810d6dc5>] ep_poll_callback+0x14/0xc5
>    [<ffffffff8102c5e5>] __wake_up_common+0x46/0x75
>    [<ffffffff810303b2>] __wake_up_sync+0x3a/0x56
>    [<ffffffff810b412a>] pipe_write+0x4b5/0x4e9
>    [<ffffffff8110a268>] avc_has_perm+0x4c/0x5e
>    [<ffffffff810ad774>] do_sync_write+0xce/0x113
>    [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>    [<ffffffff8110bb23>] file_has_perm+0x81/0x8a
>    [<ffffffff810ae09a>] vfs_write+0xc9/0x172
>    [<ffffffff810ae1ff>] sys_write+0x45/0x6e
>    [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>       ... acquired at:
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>       -> (&list->lock#5){.+..} ops: 0 {
>          initial-use  at:
>                                     [<ffffffffffffffff>] 0xffffffffffffffff
>          in-softirq-W at:
>                                     [<ffffffffffffffff>] 0xffffffffffffffff
>        }
>        ... key      at: [<ffffffff8818f790>] __key.20752+0x0/0xfffffffffffea1f5 [mac80211]
>       ... acquired at:
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>       -> (&priv->sta_lock){.+..} ops: 0 {
>          initial-use  at:
>                                     [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                     [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                     [<ffffffff881969e6>] iwl3945_clear_stations_table+0x19/0x45 [iwl3945]
>                                     [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>                                     [<ffffffff881969e6>] iwl3945_clear_stations_table+0x19/0x45 [iwl3945]
>                                     [<ffffffff881a5662>] iwl3945_pci_probe+0x279/0x1864 [iwl3945]
>                                     [<ffffffff810f2b74>] sysfs_ilookup_test+0x0/0xf
>                                     [<ffffffff8127e35b>] mutex_trylock+0x100/0x110
>                                     [<ffffffff810553e2>] lock_release_holdtime+0x16/0xfe
>                                     [<ffffffff81140907>] pci_device_probe+0xd4/0x13c
>                                     [<ffffffff811ac31c>] driver_probe_device+0xc5/0x169
>                                     [<ffffffff811ac450>] __driver_attach+0x90/0xcd
>                                     [<ffffffff811ac3c0>] __driver_attach+0x0/0xcd
>                                     [<ffffffff811abb93>] bus_for_each_dev+0x43/0x77
>                                     [<ffffffff811ab48a>] bus_add_driver+0x7c/0x1be
>                                     [<ffffffff81140af2>] __pci_register_driver+0x6b/0x9d
>                                     [<ffffffff880fe037>] 0xffffffff880fe037
>                                     [<ffffffff81060c7d>] sys_init_module+0x182a/0x190c
>                                     [<ffffffff81075632>] audit_syscall_entry+0x134/0x167
>                                     [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>                                     [<ffffffffffffffff>] 0xffffffffffffffff
>          in-softirq-W at:
>                                     [<ffffffffffffffff>] 0xffffffffffffffff
>        }
>        ... key      at: [<ffffffff881be720>] __key.35003+0x0/0xfffffffffffef6b1 [iwl3945]
>       ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff881a83e6>] iwl3945_hw_build_tx_cmd_rate+0x57/0x17e [iwl3945]
>    [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>    [<ffffffff881a83e6>] iwl3945_hw_build_tx_cmd_rate+0x57/0x17e [iwl3945]
>    [<ffffffff881a1992>] iwl3945_mac_tx+0x9a8/0xc1d [iwl3945]
>    [<ffffffff81056c84>] mark_held_locks+0x57/0x72
>    [<ffffffff8816c9ad>] rate_control_get_rate+0x79/0xee [mac80211]
>    [<ffffffff88172591>] __ieee80211_tx+0x61/0x13c [mac80211]
>    [<ffffffff88172d72>] ieee80211_master_start_xmit+0x581/0x6e5 [mac80211]
>    [<ffffffff81056c84>] mark_held_locks+0x57/0x72
>    [<ffffffff8120cf60>] dev_hard_start_xmit+0x221/0x29c
>    [<ffffffff8121e395>] __qdisc_run+0x88/0x18b
>    [<ffffffff88169332>] ieee80211_sta_scan_work+0x0/0x1b7 [mac80211]
>    [<ffffffff8120d242>] dev_queue_xmit+0x16d/0x2be
>    [<ffffffff881694a7>] ieee80211_sta_scan_work+0x175/0x1b7 [mac80211]
>    [<ffffffff88169332>] ieee80211_sta_scan_work+0x0/0x1b7 [mac80211]
>    [<ffffffff81047887>] run_workqueue+0xf1/0x1f3
>    [<ffffffff81047a6c>] worker_thread+0xe3/0xf2
>    [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>    [<ffffffff81047989>] worker_thread+0x0/0xf2
>    [<ffffffff8104b983>] kthread+0x47/0x73
>    [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>    [<ffffffff8100ce88>] child_rip+0xa/0x12
>    [<ffffffff8100c59f>] restore_args+0x0/0x30
>    [<ffffffff8104b917>] kthreadd+0x12c/0x151
>    [<ffffffff8104b93c>] kthread+0x0/0x73
>    [<ffffffff8100ce7e>] child_rip+0x0/0x12
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>       -> (&cwq->lock){++..} ops: 0 {
>          initial-use  at:
>                                     [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                     [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                     [<ffffffff8104809a>] __queue_work+0x10/0x33
>                                     [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>                                     [<ffffffff8104809a>] __queue_work+0x10/0x33
>                                     [<ffffffff81048139>] queue_work+0x45/0x4e
>                                     [<ffffffff810474ee>] call_usermodehelper_exec+0x7a/0xd3
>                                     [<ffffffff81130166>] kobject_uevent_env+0x394/0x3cd
>                                     [<ffffffff8112f916>] kset_register+0x34/0x3a
>                                     [<ffffffff811abd47>] bus_register+0x75/0x236
>                                     [<ffffffff814c5df0>] platform_bus_init+0x1f/0x35
>                                     [<ffffffff814c5e52>] driver_init+0x1d/0x2d
>                                     [<ffffffff814a63d7>] kernel_init+0x1a9/0x37b
>                                     [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                     [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>                                     [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                     [<ffffffff8100ce88>] child_rip+0xa/0x12
>                                     [<ffffffff8100c59f>] restore_args+0x0/0x30
>                                     [<ffffffff814a622e>] kernel_init+0x0/0x37b
>                                     [<ffffffff8100ce7e>] child_rip+0x0/0x12
>                                     [<ffffffffffffffff>] 0xffffffffffffffff
>          in-hardirq-W at:
>                                     [<ffffffffffffffff>] 0xffffffffffffffff
>          in-softirq-W at:
>                                     [<ffffffffffffffff>] 0xffffffffffffffff
>        }
>        ... key      at: [<ffffffff815a4020>] __key.12193+0x0/0x8
>        -> (&q->lock){++..} ops: 0 {
>           initial-use  at:
>                                       [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                       [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                       [<ffffffff8127de5c>] wait_for_common+0x3c/0x10c
>                                       [<ffffffff8127fde7>] _spin_lock_irq+0x2c/0x58
>                                       [<ffffffff8127de5c>] wait_for_common+0x3c/0x10c
>                                       [<ffffffff810553e2>] lock_release_holdtime+0x16/0xfe
>                                       [<ffffffff8104bb23>] kthread_create+0x9a/0x10b
>                                       [<ffffffff810353c9>] migration_thread+0x0/0x235
>                                       [<ffffffff81056c84>] mark_held_locks+0x57/0x72
>                                       [<ffffffff8127fc2f>] _spin_unlock_irqrestore+0x3f/0x45
>                                       [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                       [<ffffffff81033582>] migration_call+0x5a/0x43f
>                                       [<ffffffff814b7116>] migration_init+0x28/0x56
>                                       [<ffffffff814a6299>] kernel_init+0x6b/0x37b
>                                       [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                       [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>                                       [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                       [<ffffffff8100ce88>] child_rip+0xa/0x12
>                                       [<ffffffff8100c59f>] restore_args+0x0/0x30
>                                       [<ffffffff814a622e>] kernel_init+0x0/0x37b
>                                       [<ffffffff8100ce7e>] child_rip+0x0/0x12
>                                       [<ffffffffffffffff>] 0xffffffffffffffff
>           in-hardirq-W at:
>                                       [<ffffffffffffffff>] 0xffffffffffffffff
>           in-softirq-W at:
>                                       [<ffffffffffffffff>] 0xffffffffffffffff
>         }
>         ... key      at: [<ffffffff815a4690>] __key.17179+0x0/0x10
>         -> (&rq->rq_lock_key){++..} ops: 0 {
>            initial-use  at:
>                                         [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                         [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                         [<ffffffff810302ac>] init_idle+0x134/0x16b
>                                         [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>                                         [<ffffffff810302ac>] init_idle+0x134/0x16b
>                                         [<ffffffff814b70c0>] sched_init+0x362/0x390
>                                         [<ffffffff814a6901>] start_kernel+0x11f/0x308
>                                         [<ffffffff814a6118>] _sinittext+0x118/0x11e
>                                         [<ffffffffffffffff>] 0xffffffffffffffff
>            in-hardirq-W at:
>                                         [<ffffffffffffffff>] 0xffffffffffffffff
>            in-softirq-W at:
>                                         [<ffffffffffffffff>] 0xffffffffffffffff
>          }
>          ... key      at: [<ffff81000106c7e8>] 0xffff81000106c7e8
>          -> (&rq->rq_lock_key#2){++..} ops: 0 {
>             initial-use  at:
>                                           [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                           [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                           [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>                                           [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>                                           [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>                                           [<ffffffff810335ae>] migration_call+0x86/0x43f
>                                           [<ffffffff8127e8d9>] mutex_lock_nested+0x279/0x295
>                                           [<ffffffff8128231b>] notifier_call_chain+0x29/0x4c
>                                           [<ffffffff8105d253>] _cpu_up+0x77/0x13a
>                                           [<ffffffff8105d373>] cpu_up+0x5d/0x71
>                                           [<ffffffff814a62e2>] kernel_init+0xb4/0x37b
>                                           [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                           [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>                                           [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                           [<ffffffff8100ce88>] child_rip+0xa/0x12
>                                           [<ffffffff8100c59f>] restore_args+0x0/0x30
>                                           [<ffffffff814a622e>] kernel_init+0x0/0x37b
>                                           [<ffffffff8100ce7e>] child_rip+0x0/0x12
>                                           [<ffffffffffffffff>] 0xffffffffffffffff
>             in-hardirq-W at:
>                                           [<ffffffffffffffff>] 0xffffffffffffffff
>             in-softirq-W at:
>                                           [<ffffffffffffffff>] 0xffffffffffffffff
>           }
>           ... key      at: [<ffff8100010d77e8>] 0xffff8100010d77e8
>          ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8127fbed>] _spin_unlock_irq+0x24/0x27
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff8102f220>] double_rq_lock+0x39/0x4d
>    [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>    [<ffffffff8102f220>] double_rq_lock+0x39/0x4d
>    [<ffffffff8102f3bd>] __migrate_task+0x68/0xf6
>    [<ffffffff81035597>] migration_thread+0x1ce/0x235
>    [<ffffffff810353c9>] migration_thread+0x0/0x235
>    [<ffffffff8104b983>] kthread+0x47/0x73
>    [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>    [<ffffffff8100ce88>] child_rip+0xa/0x12
>    [<ffffffff8100c59f>] restore_args+0x0/0x30
>    [<ffffffff8104b917>] kthreadd+0x12c/0x151
>    [<ffffffff8104b93c>] kthread+0x0/0x73
>    [<ffffffff8100ce7e>] child_rip+0x0/0x12
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>         ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>    [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>    [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>    [<ffffffff8102fa2c>] try_to_wake_up+0x24/0x451
>    [<ffffffff8102c5e5>] __wake_up_common+0x46/0x75
>    [<ffffffff81030366>] complete+0x38/0x4a
>    [<ffffffff810353c9>] migration_thread+0x0/0x235
>    [<ffffffff8104b962>] kthread+0x26/0x73
>    [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>    [<ffffffff8100ce88>] child_rip+0xa/0x12
>    [<ffffffff8100c59f>] restore_args+0x0/0x30
>    [<ffffffff8104b917>] kthreadd+0x12c/0x151
>    [<ffffffff8104b93c>] kthread+0x0/0x73
>    [<ffffffff8100ce7e>] child_rip+0x0/0x12
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>         -> (&rq->rq_lock_key#2){++..} ops: 0 {
>            initial-use  at:
>                                         [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                         [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                         [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>                                         [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>                                         [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>                                         [<ffffffff810335ae>] migration_call+0x86/0x43f
>                                         [<ffffffff8127e8d9>] mutex_lock_nested+0x279/0x295
>                                         [<ffffffff8128231b>] notifier_call_chain+0x29/0x4c
>                                         [<ffffffff8105d253>] _cpu_up+0x77/0x13a
>                                         [<ffffffff8105d373>] cpu_up+0x5d/0x71
>                                         [<ffffffff814a62e2>] kernel_init+0xb4/0x37b
>                                         [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                         [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>                                         [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                         [<ffffffff8100ce88>] child_rip+0xa/0x12
>                                         [<ffffffff8100c59f>] restore_args+0x0/0x30
>                                         [<ffffffff814a622e>] kernel_init+0x0/0x37b
>                                         [<ffffffff8100ce7e>] child_rip+0x0/0x12
>                                         [<ffffffffffffffff>] 0xffffffffffffffff
>            in-hardirq-W at:
>                                         [<ffffffffffffffff>] 0xffffffffffffffff
>            in-softirq-W at:
>                                         [<ffffffffffffffff>] 0xffffffffffffffff
>          }
>          ... key      at: [<ffff8100010d77e8>] 0xffff8100010d77e8
>         ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>    [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>    [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>    [<ffffffff8102fa2c>] try_to_wake_up+0x24/0x451
>    [<ffffffff8102c5e5>] __wake_up_common+0x46/0x75
>    [<ffffffff81030366>] complete+0x38/0x4a
>    [<ffffffff81047989>] worker_thread+0x0/0xf2
>    [<ffffffff8104b962>] kthread+0x26/0x73
>    [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>    [<ffffffff8100ce88>] child_rip+0xa/0x12
>    [<ffffffff8100c59f>] restore_args+0x0/0x30
>    [<ffffffff8104b917>] kthreadd+0x12c/0x151
>    [<ffffffff8104b93c>] kthread+0x0/0x73
>    [<ffffffff8100ce7e>] child_rip+0x0/0x12
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>         -> (&ep->lock){.+..} ops: 0 {
>            initial-use  at:
>                                         [<ffffffff8105686c>] mark_lock+0x81/0x442
>                                         [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                         [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                         [<ffffffff810d70e0>] sys_epoll_ctl+0x26a/0x44f
>                                         [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>                                         [<ffffffff810d70e0>] sys_epoll_ctl+0x26a/0x44f
>                                         [<ffffffff810d72c5>] ep_ptable_queue_proc+0x0/0x76
>                                         [<ffffffff8100bf5e>] system_call+0x7e/0x83
>                                         [<ffffffffffffffff>] 0xffffffffffffffff
>            in-softirq-W at:
>                                         [<ffffffffffffffff>] 0xffffffffffffffff
>          }
>          ... key      at: [<ffffffff8197f9c8>] __key.18622+0x0/0x8
>          -> (&rq->rq_lock_key#2){++..} ops: 0 {
>             initial-use  at:
>                                           [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                           [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                           [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>                                           [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>                                           [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>                                           [<ffffffff810335ae>] migration_call+0x86/0x43f
>                                           [<ffffffff8127e8d9>] mutex_lock_nested+0x279/0x295
>                                           [<ffffffff8128231b>] notifier_call_chain+0x29/0x4c
>                                           [<ffffffff8105d253>] _cpu_up+0x77/0x13a
>                                           [<ffffffff8105d373>] cpu_up+0x5d/0x71
>                                           [<ffffffff814a62e2>] kernel_init+0xb4/0x37b
>                                           [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                           [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>                                           [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                           [<ffffffff8100ce88>] child_rip+0xa/0x12
>                                           [<ffffffff8100c59f>] restore_args+0x0/0x30
>                                           [<ffffffff814a622e>] kernel_init+0x0/0x37b
>                                           [<ffffffff8100ce7e>] child_rip+0x0/0x12
>                                           [<ffffffffffffffff>] 0xffffffffffffffff
>             in-hardirq-W at:
>                                           [<ffffffffffffffff>] 0xffffffffffffffff
>             in-softirq-W at:
>                                           [<ffffffffffffffff>] 0xffffffffffffffff
>           }
>           ... key      at: [<ffff8100010d77e8>] 0xffff8100010d77e8
>          ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff81055281>] find_usage_backwards+0x9f/0xc0
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>    [<ffffffff81013e2e>] save_stack_trace+0x20/0x3e
>    [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>    [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>    [<ffffffff8102fa2c>] try_to_wake_up+0x24/0x451
>    [<ffffffff8102c5e5>] __wake_up_common+0x46/0x75
>    [<ffffffff810d6e33>] ep_poll_callback+0x82/0xc5
>    [<ffffffff8102c5e5>] __wake_up_common+0x46/0x75
>    [<ffffffff810303b2>] __wake_up_sync+0x3a/0x56
>    [<ffffffff810b412a>] pipe_write+0x4b5/0x4e9
>    [<ffffffff8110a268>] avc_has_perm+0x4c/0x5e
>    [<ffffffff810ad774>] do_sync_write+0xce/0x113
>    [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>    [<ffffffff8110bb23>] file_has_perm+0x81/0x8a
>    [<ffffffff810ae09a>] vfs_write+0xc9/0x172
>    [<ffffffff810ae1ff>] sys_write+0x45/0x6e
>    [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>          -> (&rq->rq_lock_key){++..} ops: 0 {
>             initial-use  at:
>                                           [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                           [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                           [<ffffffff810302ac>] init_idle+0x134/0x16b
>                                           [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>                                           [<ffffffff810302ac>] init_idle+0x134/0x16b
>                                           [<ffffffff814b70c0>] sched_init+0x362/0x390
>                                           [<ffffffff814a6901>] start_kernel+0x11f/0x308
>                                           [<ffffffff814a6118>] _sinittext+0x118/0x11e
>                                           [<ffffffffffffffff>] 0xffffffffffffffff
>             in-hardirq-W at:
>                                           [<ffffffffffffffff>] 0xffffffffffffffff
>             in-softirq-W at:
>                                           [<ffffffffffffffff>] 0xffffffffffffffff
>           }
>           ... key      at: [<ffff81000106c7e8>] 0xffff81000106c7e8
>           -> (&rq->rq_lock_key#2){++..} ops: 0 {
>              initial-use  at:
>                                             [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                             [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                             [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>                                             [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>                                             [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>                                             [<ffffffff810335ae>] migration_call+0x86/0x43f
>                                             [<ffffffff8127e8d9>] mutex_lock_nested+0x279/0x295
>                                             [<ffffffff8128231b>] notifier_call_chain+0x29/0x4c
>                                             [<ffffffff8105d253>] _cpu_up+0x77/0x13a
>                                             [<ffffffff8105d373>] cpu_up+0x5d/0x71
>                                             [<ffffffff814a62e2>] kernel_init+0xb4/0x37b
>                                             [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                             [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>                                             [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                             [<ffffffff8100ce88>] child_rip+0xa/0x12
>                                             [<ffffffff8100c59f>] restore_args+0x0/0x30
>                                             [<ffffffff814a622e>] kernel_init+0x0/0x37b
>                                             [<ffffffff8100ce7e>] child_rip+0x0/0x12
>                                             [<ffffffffffffffff>] 0xffffffffffffffff
>              in-hardirq-W at:
>                                             [<ffffffffffffffff>] 0xffffffffffffffff
>              in-softirq-W at:
>                                             [<ffffffffffffffff>] 0xffffffffffffffff
>            }
>            ... key      at: [<ffff8100010d77e8>] 0xffff8100010d77e8
>           ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8127fbed>] _spin_unlock_irq+0x24/0x27
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff8102f220>] double_rq_lock+0x39/0x4d
>    [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>    [<ffffffff8102f220>] double_rq_lock+0x39/0x4d
>    [<ffffffff8102f3bd>] __migrate_task+0x68/0xf6
>    [<ffffffff81035597>] migration_thread+0x1ce/0x235
>    [<ffffffff810353c9>] migration_thread+0x0/0x235
>    [<ffffffff8104b983>] kthread+0x47/0x73
>    [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>    [<ffffffff8100ce88>] child_rip+0xa/0x12
>    [<ffffffff8100c59f>] restore_args+0x0/0x30
>    [<ffffffff8104b917>] kthreadd+0x12c/0x151
>    [<ffffffff8104b93c>] kthread+0x0/0x73
>    [<ffffffff8100ce7e>] child_rip+0x0/0x12
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>          ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff81056c84>] mark_held_locks+0x57/0x72
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>    [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>    [<ffffffff8102f4d5>] task_rq_lock+0x42/0x78
>    [<ffffffff8102fa2c>] try_to_wake_up+0x24/0x451
>    [<ffffffff8102c5e5>] __wake_up_common+0x46/0x75
>    [<ffffffff810d6e33>] ep_poll_callback+0x82/0xc5
>    [<ffffffff8102c5e5>] __wake_up_common+0x46/0x75
>    [<ffffffff81030406>] __wake_up+0x38/0x4e
>    [<ffffffff8120327e>] sock_def_wakeup+0x3c/0x48
>    [<ffffffff81274583>] unix_release_sock+0x139/0x213
>    [<ffffffff812014e0>] sock_release+0x19/0x74
>    [<ffffffff81201567>] sock_close+0x2c/0x30
>    [<ffffffff810aea54>] __fput+0xc2/0x18b
>    [<ffffffff810abfb8>] filp_close+0x5a/0x61
>    [<ffffffff810ac062>] sys_close+0xa3/0xe1
>    [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>         ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff81087ef8>] get_page_from_freelist+0x42b/0x734
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff810d6dc5>] ep_poll_callback+0x14/0xc5
>    [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>    [<ffffffff810d6dc5>] ep_poll_callback+0x14/0xc5
>    [<ffffffff8102c5e5>] __wake_up_common+0x46/0x75
>    [<ffffffff810303b2>] __wake_up_sync+0x3a/0x56
>    [<ffffffff810b412a>] pipe_write+0x4b5/0x4e9
>    [<ffffffff8110a268>] avc_has_perm+0x4c/0x5e
>    [<ffffffff810ad774>] do_sync_write+0xce/0x113
>    [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>    [<ffffffff8110bb23>] file_has_perm+0x81/0x8a
>    [<ffffffff810ae09a>] vfs_write+0xc9/0x172
>    [<ffffffff810ae1ff>] sys_write+0x45/0x6e
>    [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>        ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff81055d7f>] save_trace+0x37/0x95
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff810303f0>] __wake_up+0x22/0x4e
>    [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>    [<ffffffff810303f0>] __wake_up+0x22/0x4e
>    [<ffffffff810480ad>] __queue_work+0x23/0x33
>    [<ffffffff81048139>] queue_work+0x45/0x4e
>    [<ffffffff810474ee>] call_usermodehelper_exec+0x7a/0xd3
>    [<ffffffff81130166>] kobject_uevent_env+0x394/0x3cd
>    [<ffffffff8112f916>] kset_register+0x34/0x3a
>    [<ffffffff811abd47>] bus_register+0x75/0x236
>    [<ffffffff814c5df0>] platform_bus_init+0x1f/0x35
>    [<ffffffff814c5e52>] driver_init+0x1d/0x2d
>    [<ffffffff814a63d7>] kernel_init+0x1a9/0x37b
>    [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>    [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>    [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>    [<ffffffff8100ce88>] child_rip+0xa/0x12
>    [<ffffffff8100c59f>] restore_args+0x0/0x30
>    [<ffffffff814a622e>] kernel_init+0x0/0x37b
>    [<ffffffff8100ce7e>] child_rip+0x0/0x12
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>       ... acquired at:
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>       -> (&n->list_lock){++..} ops: 0 {
>          initial-use  at:
>                                     [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                     [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                     [<ffffffff810a5d09>] add_partial+0x12/0x30
>                                     [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>                                     [<ffffffff810a5d09>] add_partial+0x12/0x30
>                                     [<ffffffff810a68b4>] unfreeze_slab+0x3d/0xae
>                                     [<ffffffff810a7ffc>] __slab_alloc+0xe8/0x44e
>                                     [<ffffffff8108658c>] process_zones+0x5d/0x177
>                                     [<ffffffff810a83df>] kmem_cache_alloc_node+0x7d/0xb3
>                                     [<ffffffff8108658c>] process_zones+0x5d/0x177
>                                     [<ffffffff810a83c4>] kmem_cache_alloc_node+0x62/0xb3
>                                     [<ffffffff8108658c>] process_zones+0x5d/0x177
>                                     [<ffffffff814bb7dd>] setup_per_cpu_pageset+0x11/0x26
>                                     [<ffffffff814a6a4f>] start_kernel+0x26d/0x308
>                                     [<ffffffff814a6118>] _sinittext+0x118/0x11e
>                                     [<ffffffffffffffff>] 0xffffffffffffffff
>          in-hardirq-W at:
>                                     [<ffffffffffffffff>] 0xffffffffffffffff
>          in-softirq-W at:
>                                     [<ffffffffffffffff>] 0xffffffffffffffff
>        }
>        ... key      at: [<ffffffff8197eba8>] __key.19742+0x0/0x8
>       ... acquired at:
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>      ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8103dda7>] local_bh_enable_ip+0xd6/0xdc
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff881a111a>] iwl3945_mac_tx+0x130/0xc1d [iwl3945]
>    [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>    [<ffffffff881a111a>] iwl3945_mac_tx+0x130/0xc1d [iwl3945]
>    [<ffffffff81056c84>] mark_held_locks+0x57/0x72
>    [<ffffffff81056e1a>] trace_hardirqs_on+0xef/0x129
>    [<ffffffff881641a6>] sta_info_get+0x57/0x61 [mac80211]
>    [<ffffffff8816c9ad>] rate_control_get_rate+0x79/0xee [mac80211]
>    [<ffffffff88172591>] __ieee80211_tx+0x61/0x13c [mac80211]
>    [<ffffffff88172d72>] ieee80211_master_start_xmit+0x581/0x6e5 [mac80211]
>    [<ffffffff81056c84>] mark_held_locks+0x57/0x72
>    [<ffffffff8120cf60>] dev_hard_start_xmit+0x221/0x29c
>    [<ffffffff8121e395>] __qdisc_run+0x88/0x18b
>    [<ffffffff88169332>] ieee80211_sta_scan_work+0x0/0x1b7 [mac80211]
>    [<ffffffff8120d242>] dev_queue_xmit+0x16d/0x2be
>    [<ffffffff881694a7>] ieee80211_sta_scan_work+0x175/0x1b7 [mac80211]
>    [<ffffffff88169332>] ieee80211_sta_scan_work+0x0/0x1b7 [mac80211]
>    [<ffffffff81047887>] run_workqueue+0xf1/0x1f3
>    [<ffffffff81047a6c>] worker_thread+0xe3/0xf2
>    [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>    [<ffffffff81047989>] worker_thread+0x0/0xf2
>    [<ffffffff8104b983>] kthread+0x47/0x73
>    [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>    [<ffffffff8100ce88>] child_rip+0xa/0x12
>    [<ffffffff8100c59f>] restore_args+0x0/0x30
>    [<ffffffff8104b917>] kthreadd+0x12c/0x151
>    [<ffffffff8104b93c>] kthread+0x0/0x73
>    [<ffffffff8100ce7e>] child_rip+0x0/0x12
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>      -> (&rs_sta->lock){.+..} ops: 0 {
>         initial-use  at:
>                                   [<ffffffffffffffff>] 0xffffffffffffffff
>         in-softirq-W at:
>                                   [<ffffffffffffffff>] 0xffffffffffffffff
>       }
>       ... key      at: [<ffffffff881be810>] __key.30814+0x0/0xfffffffffffef5c1 [iwl3945]
>       -> (base_lock_keys + cpu#2){++..} ops: 0 {
>          initial-use  at:
>                                     [<ffffffffffffffff>] 0xffffffffffffffff
>          in-hardirq-W at:
>                                     [<ffffffffffffffff>] 0xffffffffffffffff
>          in-softirq-W at:
>                                     [<ffffffffffffffff>] 0xffffffffffffffff
>        }
>        ... key      at: [<ffffffff815a3d78>] base_lock_keys+0x8/0x200
>       ... acquired at:
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>       -> (base_lock_keys + cpu){++..} ops: 0 {
>          initial-use  at:
>                                     [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                     [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                     [<ffffffff81040f9c>] lock_timer_base+0x26/0x4b
>                                     [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>                                     [<ffffffff81040f9c>] lock_timer_base+0x26/0x4b
>                                     [<ffffffff81041178>] __mod_timer+0x37/0xcc
>                                     [<ffffffff81051a37>] clocksource_register+0x1c1/0x1db
>                                     [<ffffffff814a69af>] start_kernel+0x1cd/0x308
>                                     [<ffffffff814a6118>] _sinittext+0x118/0x11e
>                                     [<ffffffffffffffff>] 0xffffffffffffffff
>          in-hardirq-W at:
>                                     [<ffffffffffffffff>] 0xffffffffffffffff
>          in-softirq-W at:
>                                     [<ffffffffffffffff>] 0xffffffffffffffff
>        }
>        ... key      at: [<ffffffff815a3d70>] base_lock_keys+0x0/0x200
>        -> (base_lock_keys + cpu#2){++..} ops: 0 {
>           initial-use  at:
>                                       [<ffffffffffffffff>] 0xffffffffffffffff
>           in-hardirq-W at:
>                                       [<ffffffffffffffff>] 0xffffffffffffffff
>           in-softirq-W at:
>                                       [<ffffffffffffffff>] 0xffffffffffffffff
>         }
>         ... key      at: [<ffffffff815a3d78>] base_lock_keys+0x8/0x200
>        ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff81040747>] timer_cpu_notify+0x255/0x327
>    [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>    [<ffffffff81040747>] timer_cpu_notify+0x255/0x327
>    [<ffffffff8128231b>] notifier_call_chain+0x29/0x4c
>    [<ffffffff8105d60b>] _cpu_down+0x1b9/0x289
>    [<ffffffff8105d775>] disable_nonboot_cpus+0x59/0xe3
>    [<ffffffff81061a03>] suspend_devices_and_enter+0x77/0xf4
>    [<ffffffff81061bab>] enter_state+0x12b/0x1b0
>    [<ffffffff81061ce1>] state_store+0xb1/0xd1
>    [<ffffffff810f2653>] sysfs_write_file+0xd5/0x10c
>    [<ffffffff810ae09a>] vfs_write+0xc9/0x172
>    [<ffffffff810ae1ff>] sys_write+0x45/0x6e
>    [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>       ... acquired at:
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>      ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff81056c84>] mark_held_locks+0x57/0x72
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff881ad1b4>] rs_get_rate+0x265/0x8a2 [iwl3945]
>    [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>    [<ffffffff881ad1b4>] rs_get_rate+0x265/0x8a2 [iwl3945]
>    [<ffffffff81056c84>] mark_held_locks+0x57/0x72
>    [<ffffffff81056e1a>] trace_hardirqs_on+0xef/0x129
>    [<ffffffff881641a6>] sta_info_get+0x57/0x61 [mac80211]
>    [<ffffffff8816c9ad>] rate_control_get_rate+0x79/0xee [mac80211]
>    [<ffffffff8817178f>] ieee80211_tx_h_rate_ctrl+0x22/0xf7 [mac80211]
>    [<ffffffff88172cb6>] ieee80211_master_start_xmit+0x4c5/0x6e5 [mac80211]
>    [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>    [<ffffffff81056c84>] mark_held_locks+0x57/0x72
>    [<ffffffff8120cf60>] dev_hard_start_xmit+0x221/0x29c
>    [<ffffffff8121e395>] __qdisc_run+0x88/0x18b
>    [<ffffffff8120d242>] dev_queue_xmit+0x16d/0x2be
>    [<ffffffff88173516>] ieee80211_subif_start_xmit+0x59f/0x5bd [mac80211]
>    [<ffffffff810a82b9>] __slab_alloc+0x3a5/0x44e
>    [<ffffffff8120cf60>] dev_hard_start_xmit+0x221/0x29c
>    [<ffffffff8121e395>] __qdisc_run+0x88/0x18b
>    [<ffffffff8120d242>] dev_queue_xmit+0x16d/0x2be
>    [<ffffffff812771ac>] packet_sendmsg+0x216/0x268
>    [<ffffffff81201131>] sock_sendmsg+0xe2/0xff
>    [<ffffffff81056c84>] mark_held_locks+0x57/0x72
>    [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>    [<ffffffff81087969>] __pagevec_free+0x29/0x3b
>    [<ffffffff8108a7ec>] release_pages+0x1c2/0x1d4
>    [<ffffffff81201c93>] sys_sendto+0x12b/0x154
>    [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>     ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff81210238>] dev_mc_sync+0x39/0x11e
>    [<ffffffff8127fd8f>] _spin_lock_bh+0x2b/0x57
>    [<ffffffff81210238>] dev_mc_sync+0x39/0x11e
>    [<ffffffff8120c203>] dev_set_rx_mode+0x2f/0x45
>    [<ffffffff8120dc6a>] dev_open+0x6c/0x90
>    [<ffffffff8120d782>] dev_change_flags+0xaa/0x168
>    [<ffffffff81214ef2>] do_setlink+0x288/0x34b
>    [<ffffffff810553e2>] lock_release_holdtime+0x16/0xfe
>    [<ffffffff81216418>] rtnetlink_rcv_msg+0x0/0x1ed
>    [<ffffffff81216418>] rtnetlink_rcv_msg+0x0/0x1ed
>    [<ffffffff812150a3>] rtnl_setlink+0xee/0x10d
>    [<ffffffff81216418>] rtnetlink_rcv_msg+0x0/0x1ed
>    [<ffffffff81226550>] netlink_rcv_skb+0x34/0x90
>    [<ffffffff81216412>] rtnetlink_rcv+0x21/0x27
>    [<ffffffff81225f9c>] netlink_unicast+0x1e0/0x24a
>    [<ffffffff8110e1be>] selinux_netlink_send+0xd4/0xea
>    [<ffffffff812262d5>] netlink_sendmsg+0x2cf/0x2e2
>    [<ffffffff81201131>] sock_sendmsg+0xe2/0xff
>    [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>    [<ffffffff81201365>] sys_sendmsg+0x217/0x28a
>    [<ffffffff810c2b58>] mntput_no_expire+0x1f/0x8a
>    [<ffffffff81201c93>] sys_sendto+0x12b/0x154
>    [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>     -> (&dev->queue_lock#2){-+..} ops: 0 {
>        initial-use  at:
>                                 [<ffffffff8105686c>] mark_lock+0x81/0x442
>                                 [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                 [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                 [<ffffffff8121dd7b>] qdisc_lock_tree+0x17/0x20
>                                 [<ffffffff8127fd8f>] _spin_lock_bh+0x2b/0x57
>                                 [<ffffffff8121dd7b>] qdisc_lock_tree+0x17/0x20
>                                 [<ffffffff8121ddad>] dev_init_scheduler+0x9/0x5b
>                                 [<ffffffff8120e2cf>] register_netdevice+0x32d/0x389
>                                 [<ffffffff8120e364>] register_netdev+0x39/0x46
>                                 [<ffffffff814c6292>] loopback_net_init+0x3d/0x72
>                                 [<ffffffff8120a5f0>] register_pernet_device+0x2b/0x57
>                                 [<ffffffff814a6435>] kernel_init+0x207/0x37b
>                                 [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                 [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>                                 [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                 [<ffffffff8100ce88>] child_rip+0xa/0x12
>                                 [<ffffffff8100c59f>] restore_args+0x0/0x30
>                                 [<ffffffff814a622e>] kernel_init+0x0/0x37b
>                                 [<ffffffff8100ce7e>] child_rip+0x0/0x12
>                                 [<ffffffffffffffff>] 0xffffffffffffffff
>        in-softirq-W at:
>                                 [<ffffffffffffffff>] 0xffffffffffffffff
>        hardirq-on-W at:
>                                 [<ffffffff8105686c>] mark_lock+0x81/0x442
>                                 [<ffffffff81057a24>] __lock_acquire+0x5fe/0xd8d
>                                 [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                 [<ffffffff8121dd7b>] qdisc_lock_tree+0x17/0x20
>                                 [<ffffffff8127fd8f>] _spin_lock_bh+0x2b/0x57
>                                 [<ffffffff8121dd7b>] qdisc_lock_tree+0x17/0x20
>                                 [<ffffffff8121ddad>] dev_init_scheduler+0x9/0x5b
>                                 [<ffffffff8120e2cf>] register_netdevice+0x32d/0x389
>                                 [<ffffffff8120e364>] register_netdev+0x39/0x46
>                                 [<ffffffff814c6292>] loopback_net_init+0x3d/0x72
>                                 [<ffffffff8120a5f0>] register_pernet_device+0x2b/0x57
>                                 [<ffffffff814a6435>] kernel_init+0x207/0x37b
>                                 [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                 [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>                                 [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                 [<ffffffff8100ce88>] child_rip+0xa/0x12
>                                 [<ffffffff8100c59f>] restore_args+0x0/0x30
>                                 [<ffffffff814a622e>] kernel_init+0x0/0x37b
>                                 [<ffffffff8100ce7e>] child_rip+0x0/0x12
>                                 [<ffffffffffffffff>] 0xffffffffffffffff
>      }
>      ... key      at: [<ffffffff819c2dc0>] __key.31117+0x0/0x8
>      -> (&dev->ingress_lock){-...} ops: 0 {
>         initial-use  at:
>                                   [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                   [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                   [<ffffffff8121ddad>] dev_init_scheduler+0x9/0x5b
>                                   [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>                                   [<ffffffff8121ddad>] dev_init_scheduler+0x9/0x5b
>                                   [<ffffffff8120e2cf>] register_netdevice+0x32d/0x389
>                                   [<ffffffff8120e364>] register_netdev+0x39/0x46
>                                   [<ffffffff814c6292>] loopback_net_init+0x3d/0x72
>                                   [<ffffffff8120a5f0>] register_pernet_device+0x2b/0x57
>                                   [<ffffffff814a6435>] kernel_init+0x207/0x37b
>                                   [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                   [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>                                   [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                   [<ffffffff8100ce88>] child_rip+0xa/0x12
>                                   [<ffffffff8100c59f>] restore_args+0x0/0x30
>                                   [<ffffffff814a622e>] kernel_init+0x0/0x37b
>                                   [<ffffffff8100ce7e>] child_rip+0x0/0x12
>                                   [<ffffffffffffffff>] 0xffffffffffffffff
>         hardirq-on-W at:
>                                   [<ffffffff81057a24>] __lock_acquire+0x5fe/0xd8d
>                                   [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                   [<ffffffff8121ddad>] dev_init_scheduler+0x9/0x5b
>                                   [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>                                   [<ffffffff8121ddad>] dev_init_scheduler+0x9/0x5b
>                                   [<ffffffff8120e2cf>] register_netdevice+0x32d/0x389
>                                   [<ffffffff8120e364>] register_netdev+0x39/0x46
>                                   [<ffffffff814c6292>] loopback_net_init+0x3d/0x72
>                                   [<ffffffff8120a5f0>] register_pernet_device+0x2b/0x57
>                                   [<ffffffff814a6435>] kernel_init+0x207/0x37b
>                                   [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                   [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>                                   [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                   [<ffffffff8100ce88>] child_rip+0xa/0x12
>                                   [<ffffffff8100c59f>] restore_args+0x0/0x30
>                                   [<ffffffff814a622e>] kernel_init+0x0/0x37b
>                                   [<ffffffff8100ce7e>] child_rip+0x0/0x12
>                                   [<ffffffffffffffff>] 0xffffffffffffffff
>       }
>       ... key      at: [<ffffffff819c2db0>] __key.31119+0x0/0x8
>       -> (&list->lock#9){....} ops: 0 {
>          initial-use  at:
>                                     [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                     [<ffffffff81216d05>] __linkwatch_run_queue+0x13f/0x1e2
>                                     [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                     [<ffffffff81206945>] skb_dequeue+0x13/0x50
>                                     [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>                                     [<ffffffff81206945>] skb_dequeue+0x13/0x50
>                                     [<ffffffff81206dbe>] skb_queue_purge+0x13/0x1d
>                                     [<ffffffff8121df71>] pfifo_fast_reset+0x10/0x3b
>                                     [<ffffffff8121de2c>] dev_deactivate+0x2d/0xf5
>                                     [<ffffffff81216d33>] __linkwatch_run_queue+0x16d/0x1e2
>                                     [<ffffffff81216da8>] linkwatch_event+0x0/0x26
>                                     [<ffffffff81216dc8>] linkwatch_event+0x20/0x26
>                                     [<ffffffff81047887>] run_workqueue+0xf1/0x1f3
>                                     [<ffffffff81047a6c>] worker_thread+0xe3/0xf2
>                                     [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>                                     [<ffffffff81047989>] worker_thread+0x0/0xf2
>                                     [<ffffffff8104b983>] kthread+0x47/0x73
>                                     [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>                                     [<ffffffff8100ce88>] child_rip+0xa/0x12
>                                     [<ffffffff8100c59f>] restore_args+0x0/0x30
>                                     [<ffffffff8104b917>] kthreadd+0x12c/0x151
>                                     [<ffffffff8104b93c>] kthread+0x0/0x73
>                                     [<ffffffff8100ce7e>] child_rip+0x0/0x12
>                                     [<ffffffffffffffff>] 0xffffffffffffffff
>        }
>        ... key      at: [<ffffffff819c35f8>] __key.20940+0x0/0x8
>       ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff81206945>] skb_dequeue+0x13/0x50
>    [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>    [<ffffffff81206945>] skb_dequeue+0x13/0x50
>    [<ffffffff81206dbe>] skb_queue_purge+0x13/0x1d
>    [<ffffffff8121df71>] pfifo_fast_reset+0x10/0x3b
>    [<ffffffff8121e02f>] qdisc_destroy+0x4b/0x8b
>    [<ffffffff8121e09a>] dev_shutdown+0x2b/0x7b
>    [<ffffffff8120db3a>] rollback_registered+0xa2/0x110
>    [<ffffffff8120dbb8>] unregister_netdevice+0x10/0x3f
>    [<ffffffff884231ff>] tun_chr_close+0x59/0x64 [tun]
>    [<ffffffff810aea54>] __fput+0xc2/0x18b
>    [<ffffffff810abfb8>] filp_close+0x5a/0x61
>    [<ffffffff810ac062>] sys_close+0xa3/0xe1
>    [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>       -> (&list->lock#8){.+..} ops: 0 {
>          initial-use  at:
>                                     [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                     [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                     [<ffffffff81206945>] skb_dequeue+0x13/0x50
>                                     [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>                                     [<ffffffff81206945>] skb_dequeue+0x13/0x50
>                                     [<ffffffff88174f08>] wme_qdiscop_dequeue+0x72/0xad [mac80211]
>                                     [<ffffffff8121e35a>] __qdisc_run+0x4d/0x18b
>                                     [<ffffffff88169332>] ieee80211_sta_scan_work+0x0/0x1b7 [mac80211]
>                                     [<ffffffff8120d242>] dev_queue_xmit+0x16d/0x2be
>                                     [<ffffffff881694a7>] ieee80211_sta_scan_work+0x175/0x1b7 [mac80211]
>                                     [<ffffffff88169332>] ieee80211_sta_scan_work+0x0/0x1b7 [mac80211]
>                                     [<ffffffff81047887>] run_workqueue+0xf1/0x1f3
>                                     [<ffffffff81047a6c>] worker_thread+0xe3/0xf2
>                                     [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>                                     [<ffffffff81047989>] worker_thread+0x0/0xf2
>                                     [<ffffffff8104b983>] kthread+0x47/0x73
>                                     [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>                                     [<ffffffff8100ce88>] child_rip+0xa/0x12
>                                     [<ffffffff8100c59f>] restore_args+0x0/0x30
>                                     [<ffffffff8104b917>] kthreadd+0x12c/0x151
>                                     [<ffffffff8104b93c>] kthread+0x0/0x73
>                                     [<ffffffff8100ce7e>] child_rip+0x0/0x12
>                                     [<ffffffffffffffff>] 0xffffffffffffffff
>          in-softirq-W at:
>                                     [<ffffffffffffffff>] 0xffffffffffffffff
>        }
>        ... key      at: [<ffffffff8818f7f0>] __key.20932+0x0/0xfffffffffffea195 [mac80211]
>       ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff81206945>] skb_dequeue+0x13/0x50
>    [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>    [<ffffffff81206945>] skb_dequeue+0x13/0x50
>    [<ffffffff81206dbe>] skb_queue_purge+0x13/0x1d
>    [<ffffffff88174ca5>] wme_qdiscop_reset+0x53/0x7c [mac80211]
>    [<ffffffff8121e02f>] qdisc_destroy+0x4b/0x8b
>    [<ffffffff8121e09a>] dev_shutdown+0x2b/0x7b
>    [<ffffffff8120db3a>] rollback_registered+0xa2/0x110
>    [<ffffffff8120dbb8>] unregister_netdevice+0x10/0x3f
>    [<ffffffff88160253>] ieee80211_unregister_hw+0x97/0x17d [mac80211]
>    [<ffffffff8819ce95>] iwl3945_pci_remove+0x1e0/0x291 [iwl3945]
>    [<ffffffff811407f8>] pci_device_remove+0x24/0x48
>    [<ffffffff811abfcf>] __device_release_driver+0xb8/0xda
>    [<ffffffff811ac0cb>] driver_detach+0xda/0x119
>    [<ffffffff811ab3e7>] bus_remove_driver+0x80/0xa7
>    [<ffffffff8114098c>] pci_unregister_driver+0x1d/0x64
>    [<ffffffff81060f97>] sys_delete_module+0x1df/0x212
>    [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>      ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff8121ddad>] dev_init_scheduler+0x9/0x5b
>    [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>    [<ffffffff8121ddad>] dev_init_scheduler+0x9/0x5b
>    [<ffffffff8120e2cf>] register_netdevice+0x32d/0x389
>    [<ffffffff8120e364>] register_netdev+0x39/0x46
>    [<ffffffff814c6292>] loopback_net_init+0x3d/0x72
>    [<ffffffff8120a5f0>] register_pernet_device+0x2b/0x57
>    [<ffffffff814a6435>] kernel_init+0x207/0x37b
>    [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>    [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>    [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>    [<ffffffff8100ce88>] child_rip+0xa/0x12
>    [<ffffffff8100c59f>] restore_args+0x0/0x30
>    [<ffffffff814a622e>] kernel_init+0x0/0x37b
>    [<ffffffff8100ce7e>] child_rip+0x0/0x12
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>      -> (&list->lock#8){.+..} ops: 0 {
>         initial-use  at:
>                                   [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                   [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                   [<ffffffff81206945>] skb_dequeue+0x13/0x50
>                                   [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>                                   [<ffffffff81206945>] skb_dequeue+0x13/0x50
>                                   [<ffffffff88174f08>] wme_qdiscop_dequeue+0x72/0xad [mac80211]
>                                   [<ffffffff8121e35a>] __qdisc_run+0x4d/0x18b
>                                   [<ffffffff88169332>] ieee80211_sta_scan_work+0x0/0x1b7 [mac80211]
>                                   [<ffffffff8120d242>] dev_queue_xmit+0x16d/0x2be
>                                   [<ffffffff881694a7>] ieee80211_sta_scan_work+0x175/0x1b7 [mac80211]
>                                   [<ffffffff88169332>] ieee80211_sta_scan_work+0x0/0x1b7 [mac80211]
>                                   [<ffffffff81047887>] run_workqueue+0xf1/0x1f3
>                                   [<ffffffff81047a6c>] worker_thread+0xe3/0xf2
>                                   [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>                                   [<ffffffff81047989>] worker_thread+0x0/0xf2
>                                   [<ffffffff8104b983>] kthread+0x47/0x73
>                                   [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>                                   [<ffffffff8100ce88>] child_rip+0xa/0x12
>                                   [<ffffffff8100c59f>] restore_args+0x0/0x30
>                                   [<ffffffff8104b917>] kthreadd+0x12c/0x151
>                                   [<ffffffff8104b93c>] kthread+0x0/0x73
>                                   [<ffffffff8100ce7e>] child_rip+0x0/0x12
>                                   [<ffffffffffffffff>] 0xffffffffffffffff
>         in-softirq-W at:
>                                   [<ffffffffffffffff>] 0xffffffffffffffff
>       }
>       ... key      at: [<ffffffff8818f7f0>] __key.20932+0x0/0xfffffffffffea195 [mac80211]
>      ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff81206945>] skb_dequeue+0x13/0x50
>    [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>    [<ffffffff81206945>] skb_dequeue+0x13/0x50
>    [<ffffffff88174f08>] wme_qdiscop_dequeue+0x72/0xad [mac80211]
>    [<ffffffff8121e35a>] __qdisc_run+0x4d/0x18b
>    [<ffffffff88169332>] ieee80211_sta_scan_work+0x0/0x1b7 [mac80211]
>    [<ffffffff8120d242>] dev_queue_xmit+0x16d/0x2be
>    [<ffffffff881694a7>] ieee80211_sta_scan_work+0x175/0x1b7 [mac80211]
>    [<ffffffff88169332>] ieee80211_sta_scan_work+0x0/0x1b7 [mac80211]
>    [<ffffffff81047887>] run_workqueue+0xf1/0x1f3
>    [<ffffffff81047a6c>] worker_thread+0xe3/0xf2
>    [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>    [<ffffffff81047989>] worker_thread+0x0/0xf2
>    [<ffffffff8104b983>] kthread+0x47/0x73
>    [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>    [<ffffffff8100ce88>] child_rip+0xa/0x12
>    [<ffffffff8100c59f>] restore_args+0x0/0x30
>    [<ffffffff8104b917>] kthreadd+0x12c/0x151
>    [<ffffffff8104b93c>] kthread+0x0/0x73
>    [<ffffffff8100ce7e>] child_rip+0x0/0x12
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>      -> (&list->lock#9){....} ops: 0 {
>         initial-use  at:
>                                   [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                   [<ffffffff81216d05>] __linkwatch_run_queue+0x13f/0x1e2
>                                   [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                   [<ffffffff81206945>] skb_dequeue+0x13/0x50
>                                   [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>                                   [<ffffffff81206945>] skb_dequeue+0x13/0x50
>                                   [<ffffffff81206dbe>] skb_queue_purge+0x13/0x1d
>                                   [<ffffffff8121df71>] pfifo_fast_reset+0x10/0x3b
>                                   [<ffffffff8121de2c>] dev_deactivate+0x2d/0xf5
>                                   [<ffffffff81216d33>] __linkwatch_run_queue+0x16d/0x1e2
>                                   [<ffffffff81216da8>] linkwatch_event+0x0/0x26
>                                   [<ffffffff81216dc8>] linkwatch_event+0x20/0x26
>                                   [<ffffffff81047887>] run_workqueue+0xf1/0x1f3
>                                   [<ffffffff81047a6c>] worker_thread+0xe3/0xf2
>                                   [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>                                   [<ffffffff81047989>] worker_thread+0x0/0xf2
>                                   [<ffffffff8104b983>] kthread+0x47/0x73
>                                   [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>                                   [<ffffffff8100ce88>] child_rip+0xa/0x12
>                                   [<ffffffff8100c59f>] restore_args+0x0/0x30
>                                   [<ffffffff8104b917>] kthreadd+0x12c/0x151
>                                   [<ffffffff8104b93c>] kthread+0x0/0x73
>                                   [<ffffffff8100ce7e>] child_rip+0x0/0x12
>                                   [<ffffffffffffffff>] 0xffffffffffffffff
>       }
>       ... key      at: [<ffffffff819c35f8>] __key.20940+0x0/0x8
>      ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff81216d05>] __linkwatch_run_queue+0x13f/0x1e2
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff81206945>] skb_dequeue+0x13/0x50
>    [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>    [<ffffffff81206945>] skb_dequeue+0x13/0x50
>    [<ffffffff81206dbe>] skb_queue_purge+0x13/0x1d
>    [<ffffffff8121df71>] pfifo_fast_reset+0x10/0x3b
>    [<ffffffff8121de2c>] dev_deactivate+0x2d/0xf5
>    [<ffffffff81216d33>] __linkwatch_run_queue+0x16d/0x1e2
>    [<ffffffff81216da8>] linkwatch_event+0x0/0x26
>    [<ffffffff81216dc8>] linkwatch_event+0x20/0x26
>    [<ffffffff81047887>] run_workqueue+0xf1/0x1f3
>    [<ffffffff81047a6c>] worker_thread+0xe3/0xf2
>    [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>    [<ffffffff81047989>] worker_thread+0x0/0xf2
>    [<ffffffff8104b983>] kthread+0x47/0x73
>    [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>    [<ffffffff8100ce88>] child_rip+0xa/0x12
>    [<ffffffff8100c59f>] restore_args+0x0/0x30
>    [<ffffffff8104b917>] kthreadd+0x12c/0x151
>    [<ffffffff8104b93c>] kthread+0x0/0x73
>    [<ffffffff8100ce7e>] child_rip+0x0/0x12
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>     ... acquired at:
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>     -> (&zone->lock){++..} ops: 0 {
>        initial-use  at:
>                                 [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                 [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                 [<ffffffff810860c2>] free_pages_bulk+0x30/0x2cf
>                                 [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>                                 [<ffffffff810860c2>] free_pages_bulk+0x30/0x2cf
>                                 [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>                                 [<ffffffff81087904>] free_hot_cold_page+0x188/0x1c4
>                                 [<ffffffff814b9e36>] free_all_bootmem_core+0xf0/0x19f
>                                 [<ffffffff814b58f9>] numa_free_all_bootmem+0x3f/0x76
>                                 [<ffffffff81286095>] _etext+0x0/0x416b
>                                 [<ffffffff814b52f1>] mem_init+0x35/0x16b
>                                 [<ffffffff814a6a45>] start_kernel+0x263/0x308
>                                 [<ffffffff814a6118>] _sinittext+0x118/0x11e
>                                 [<ffffffffffffffff>] 0xffffffffffffffff
>        in-hardirq-W at:
>                                 [<ffffffffffffffff>] 0xffffffffffffffff
>        in-softirq-W at:
>                                 [<ffffffffffffffff>] 0xffffffffffffffff
>      }
>      ... key      at: [<ffffffff8197b120>] __key.25789+0x0/0x8
>     ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff81087e60>] get_page_from_freelist+0x393/0x734
>    [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>    [<ffffffff81087e60>] get_page_from_freelist+0x393/0x734
>    [<ffffffff810883d3>] __alloc_pages+0xe6/0x3a5
>    [<ffffffff810553e2>] lock_release_holdtime+0x16/0xfe
>    [<ffffffff810a7a19>] new_slab+0x63/0x22a
>    [<ffffffff810a8119>] __slab_alloc+0x205/0x44e
>    [<ffffffff81206ed2>] pskb_expand_head+0x46/0x155
>    [<ffffffff81206ed2>] pskb_expand_head+0x46/0x155
>    [<ffffffff810a94eb>] __kmalloc+0xa7/0xee
>    [<ffffffff81206ed2>] pskb_expand_head+0x46/0x155
>    [<ffffffff881641a6>] sta_info_get+0x57/0x61 [mac80211]
>    [<ffffffff8817331a>] ieee80211_subif_start_xmit+0x3a3/0x5bd [mac80211]
>    [<ffffffff810a89b4>] kmem_cache_free+0xbb/0xc7
>    [<ffffffff81056e1a>] trace_hardirqs_on+0xef/0x129
>    [<ffffffff810553e2>] lock_release_holdtime+0x16/0xfe
>    [<ffffffff8120cf60>] dev_hard_start_xmit+0x221/0x29c
>    [<ffffffff8121e395>] __qdisc_run+0x88/0x18b
>    [<ffffffff8120d242>] dev_queue_xmit+0x16d/0x2be
>    [<ffffffff812306e5>] ip_push_pending_frames+0x327/0x39c
>    [<ffffffff8124e0b1>] udp_push_pending_frames+0x2b4/0x319
>    [<ffffffff8124f549>] udp_sendmsg+0x529/0x666
>    [<ffffffff8110b1df>] socket_has_perm+0x58/0x5d
>    [<ffffffff810553e2>] lock_release_holdtime+0x16/0xfe
>    [<ffffffff81201131>] sock_sendmsg+0xe2/0xff
>    [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>    [<ffffffff8102fe59>] default_wake_function+0x0/0xe
>    [<ffffffff88423b90>] tun_chr_aio_write+0x1df/0x227 [tun]
>    [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>    [<ffffffff81056c84>] mark_held_locks+0x57/0x72
>    [<ffffffff81201c93>] sys_sendto+0x12b/0x154
>    [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>     -> (base_lock_keys + cpu){++..} ops: 0 {
>        initial-use  at:
>                                 [<ffffffff81057a5b>] __lock_acquire+0x635/0xd8d
>                                 [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>                                 [<ffffffff81040f9c>] lock_timer_base+0x26/0x4b
>                                 [<ffffffff8127fe40>] _spin_lock_irqsave+0x2d/0x5e
>                                 [<ffffffff81040f9c>] lock_timer_base+0x26/0x4b
>                                 [<ffffffff81041178>] __mod_timer+0x37/0xcc
>                                 [<ffffffff81051a37>] clocksource_register+0x1c1/0x1db
>                                 [<ffffffff814a69af>] start_kernel+0x1cd/0x308
>                                 [<ffffffff814a6118>] _sinittext+0x118/0x11e
>                                 [<ffffffffffffffff>] 0xffffffffffffffff
>        in-hardirq-W at:
>                                 [<ffffffffffffffff>] 0xffffffffffffffff
>        in-softirq-W at:
>                                 [<ffffffffffffffff>] 0xffffffffffffffff
>      }
>      ... key      at: [<ffffffff815a3d70>] base_lock_keys+0x0/0x200
>      -> (base_lock_keys + cpu#2){++..} ops: 0 {
>         initial-use  at:
>                                   [<ffffffffffffffff>] 0xffffffffffffffff
>         in-hardirq-W at:
>                                   [<ffffffffffffffff>] 0xffffffffffffffff
>         in-softirq-W at:
>                                   [<ffffffffffffffff>] 0xffffffffffffffff
>       }
>       ... key      at: [<ffffffff815a3d78>] base_lock_keys+0x8/0x200
>      ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff81040747>] timer_cpu_notify+0x255/0x327
>    [<ffffffff8127fd37>] _spin_lock+0x26/0x53
>    [<ffffffff81040747>] timer_cpu_notify+0x255/0x327
>    [<ffffffff8128231b>] notifier_call_chain+0x29/0x4c
>    [<ffffffff8105d60b>] _cpu_down+0x1b9/0x289
>    [<ffffffff8105d775>] disable_nonboot_cpus+0x59/0xe3
>    [<ffffffff81061a03>] suspend_devices_and_enter+0x77/0xf4
>    [<ffffffff81061bab>] enter_state+0x12b/0x1b0
>    [<ffffffff81061ce1>] state_store+0xb1/0xd1
>    [<ffffffff810f2653>] sysfs_write_file+0xd5/0x10c
>    [<ffffffff810ae09a>] vfs_write+0xc9/0x172
>    [<ffffffff810ae1ff>] sys_write+0x45/0x6e
>    [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>     ... acquired at:
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>    ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff8121033f>] dev_mc_add+0x22/0x77
>    [<ffffffff8127fd8f>] _spin_lock_bh+0x2b/0x57
>    [<ffffffff81216d05>] __linkwatch_run_queue+0x13f/0x1e2
>    [<ffffffff8121033f>] dev_mc_add+0x22/0x77
>    [<ffffffff884557d9>] bond_set_multicast_list+0x144/0x302 [bonding]
>    [<ffffffff81216d05>] __linkwatch_run_queue+0x13f/0x1e2
>    [<ffffffff81210377>] dev_mc_add+0x5a/0x77
>    [<ffffffff883170fa>] igmp6_group_added+0x63/0x15b [ipv6]
>    [<ffffffff8103dda7>] local_bh_enable_ip+0xd6/0xdc
>    [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>    [<ffffffff883174e8>] ipv6_dev_mc_inc+0x2bb/0x33e [ipv6]
>    [<ffffffff8831752c>] ipv6_dev_mc_inc+0x2ff/0x33e [ipv6]
>    [<ffffffff88301465>] addrconf_join_solict+0x35/0x3a [ipv6]
>    [<ffffffff88303f02>] addrconf_dad_start+0x29/0xee [ipv6]
>    [<ffffffff8830402a>] addrconf_add_linklocal+0x63/0x7f [ipv6]
>    [<ffffffff88305d97>] addrconf_notify+0x68a/0x863 [ipv6]
>    [<ffffffff81056c84>] mark_held_locks+0x57/0x72
>    [<ffffffff8127fb96>] _read_unlock+0x17/0x20
>    [<ffffffff81216d05>] __linkwatch_run_queue+0x13f/0x1e2
>    [<ffffffff8128231b>] notifier_call_chain+0x29/0x4c
>    [<ffffffff8120d861>] netdev_state_change+0x21/0x33
>    [<ffffffff81216d3b>] __linkwatch_run_queue+0x175/0x1e2
>    [<ffffffff81216da8>] linkwatch_event+0x0/0x26
>    [<ffffffff81216dc8>] linkwatch_event+0x20/0x26
>    [<ffffffff81047887>] run_workqueue+0xf1/0x1f3
>    [<ffffffff81047a6c>] worker_thread+0xe3/0xf2
>    [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>    [<ffffffff81047989>] worker_thread+0x0/0xf2
>    [<ffffffff8104b983>] kthread+0x47/0x73
>    [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>    [<ffffffff8100ce88>] child_rip+0xa/0x12
>    [<ffffffff8100c59f>] restore_args+0x0/0x30
>    [<ffffffff8104b917>] kthreadd+0x12c/0x151
>    [<ffffffff8104b93c>] kthread+0x0/0x73
>    [<ffffffff8100ce7e>] child_rip+0x0/0x12
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>   ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff81056e1a>] trace_hardirqs_on+0xef/0x129
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff884556bf>] bond_set_multicast_list+0x2a/0x302 [bonding]
>    [<ffffffff8127ff23>] _write_lock_bh+0x2b/0x57
>    [<ffffffff884556bf>] bond_set_multicast_list+0x2a/0x302 [bonding]
>    [<ffffffff8120c203>] dev_set_rx_mode+0x2f/0x45
>    [<ffffffff8120dc6a>] dev_open+0x6c/0x90
>    [<ffffffff8120d782>] dev_change_flags+0xaa/0x168
>    [<ffffffff81214ef2>] do_setlink+0x288/0x34b
>    [<ffffffff8121626f>] rtnl_newlink+0x29d/0x41f
>    [<ffffffff81216094>] rtnl_newlink+0xc2/0x41f
>    [<ffffffff81216472>] rtnetlink_rcv_msg+0x5a/0x1ed
>    [<ffffffff81216418>] rtnetlink_rcv_msg+0x0/0x1ed
>    [<ffffffff81226550>] netlink_rcv_skb+0x34/0x90
>    [<ffffffff81216412>] rtnetlink_rcv+0x21/0x27
>    [<ffffffff81225f9c>] netlink_unicast+0x1e0/0x24a
>    [<ffffffff8110e1be>] selinux_netlink_send+0xd4/0xea
>    [<ffffffff812262d5>] netlink_sendmsg+0x2cf/0x2e2
>    [<ffffffff81201131>] sock_sendmsg+0xe2/0xff
>    [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>    [<ffffffff810553e2>] lock_release_holdtime+0x16/0xfe
>    [<ffffffff81201365>] sys_sendmsg+0x217/0x28a
>    [<ffffffff8127fc2f>] _spin_unlock_irqrestore+0x3f/0x45
>    [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>    [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
>  ... acquired at:
>    [<ffffffff81058013>] __lock_acquire+0xbed/0xd8d
>    [<ffffffff810a89b4>] kmem_cache_free+0xbb/0xc7
>    [<ffffffff81216d05>] __linkwatch_run_queue+0x13f/0x1e2
>    [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>    [<ffffffff8121033f>] dev_mc_add+0x22/0x77
>    [<ffffffff8127fd8f>] _spin_lock_bh+0x2b/0x57
>    [<ffffffff81216d05>] __linkwatch_run_queue+0x13f/0x1e2
>    [<ffffffff8121033f>] dev_mc_add+0x22/0x77
>    [<ffffffff883170fa>] igmp6_group_added+0x63/0x15b [ipv6]
>    [<ffffffff8103dda7>] local_bh_enable_ip+0xd6/0xdc
>    [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>    [<ffffffff883174e8>] ipv6_dev_mc_inc+0x2bb/0x33e [ipv6]
>    [<ffffffff8831752c>] ipv6_dev_mc_inc+0x2ff/0x33e [ipv6]
>    [<ffffffff88301465>] addrconf_join_solict+0x35/0x3a [ipv6]
>    [<ffffffff88303f02>] addrconf_dad_start+0x29/0xee [ipv6]
>    [<ffffffff8830402a>] addrconf_add_linklocal+0x63/0x7f [ipv6]
>    [<ffffffff88305d97>] addrconf_notify+0x68a/0x863 [ipv6]
>    [<ffffffff81056c84>] mark_held_locks+0x57/0x72
>    [<ffffffff8127fb96>] _read_unlock+0x17/0x20
>    [<ffffffff81216d05>] __linkwatch_run_queue+0x13f/0x1e2
>    [<ffffffff8128231b>] notifier_call_chain+0x29/0x4c
>    [<ffffffff8120d861>] netdev_state_change+0x21/0x33
>    [<ffffffff81216d3b>] __linkwatch_run_queue+0x175/0x1e2
>    [<ffffffff81216da8>] linkwatch_event+0x0/0x26
>    [<ffffffff81216dc8>] linkwatch_event+0x20/0x26
>    [<ffffffff81047887>] run_workqueue+0xf1/0x1f3
>    [<ffffffff81047a6c>] worker_thread+0xe3/0xf2
>    [<ffffffff8104bc86>] autoremove_wake_function+0x0/0x2e
>    [<ffffffff81047989>] worker_thread+0x0/0xf2
>    [<ffffffff8104b983>] kthread+0x47/0x73
>    [<ffffffff8127f6a7>] trace_hardirqs_on_thunk+0x35/0x3a
>    [<ffffffff8100ce88>] child_rip+0xa/0x12
>    [<ffffffff8100c59f>] restore_args+0x0/0x30
>    [<ffffffff8104b917>] kthreadd+0x12c/0x151
>    [<ffffffff8104b93c>] kthread+0x0/0x73
>    [<ffffffff8100ce7e>] child_rip+0x0/0x12
>    [<ffffffffffffffff>] 0xffffffffffffffff
> 
> 
> stack backtrace:
> Pid: 18845, comm: ifenslave Not tainted 2.6.24.1-31.fc9 #1
> 
> Call Trace:
>  [<ffffffff81056757>] print_irq_inversion_bug+0x11d/0x128
>  [<ffffffff81056b5f>] mark_lock+0x374/0x442
>  [<ffffffff81057a46>] __lock_acquire+0x620/0xd8d
>  [<ffffffff8105820d>] lock_acquire+0x5a/0x75
>  [<ffffffff884585bd>] :bonding:bond_release+0x1f1/0x39b
>  [<ffffffff8128017c>] _read_lock+0x29/0x55
>  [<ffffffff884585bd>] :bonding:bond_release+0x1f1/0x39b
>  [<ffffffff88458b32>] :bonding:bond_do_ioctl+0x2b8/0x401
>  [<ffffffff8120b78c>] __dev_get_by_name+0x72/0x89
>  [<ffffffff8120ed86>] dev_ioctl+0x556/0x601
>  [<ffffffff8127fc2f>] _spin_unlock_irqrestore+0x3f/0x45
>  [<ffffffff81056e31>] trace_hardirqs_on+0x106/0x129
>  [<ffffffff81281f9d>] do_page_fault+0x405/0x75a
>  [<ffffffff81200765>] sock_ioctl+0x1f8/0x206
>  [<ffffffff810b9589>] do_ioctl+0x21/0x6c
>  [<ffffffff810b9810>] vfs_ioctl+0x23c/0x252
>  [<ffffffff810b9877>] sys_ioctl+0x51/0x72
>  [<ffffffff8100c0f3>] tracesys+0xd5/0xda
>

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Attachments on bug 432675: 294821