[   10.160095] 
[   10.160095] =================================
[   10.166229] [ INFO: inconsistent lock state ]
[   10.170806] 2.6.38-1209-omap4 #13
[   10.174255] ---------------------------------
[   10.178833] inconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage.
[   10.185150] blkid/327 [HC0[0]:SC0[0]:HE1:SE1] takes:
[   10.190368]  (ptracer_relations_lock){+.?...}, at: [<c042a818>] yama_ptracer_del+0x18/0x94
[   10.199096] {IN-SOFTIRQ-W} state was registered at:
[   10.204193]   [<c022bdd4>] mark_irqflags+0xa0/0x194
[   10.209320]   [<c022dec0>] __lock_acquire+0x708/0x914
[   10.214660]   [<c022e7c0>] lock_acquire+0x120/0x144
[   10.219787]   [<c0778a64>] _raw_spin_lock+0x38/0x70
[   10.224914]   [<c042a818>] yama_ptracer_del+0x18/0x94
[   10.230285]   [<c03fa728>] security_task_free+0xc/0x38
[   10.235717]   [<c01f5b98>] __put_task_struct+0x64/0x108
[   10.241210]   [<c024f7d0>] rcu_do_batch+0x128/0x25c
[   10.246368]   [<c0250ee8>] rcu_process_callbacks+0x48/0x5c
[   10.252197]   [<c01ff424>] __do_softirq+0x134/0x284
[   10.257324]   [<c01ffa7c>] irq_exit+0x58/0xb0
[   10.261901]   [<c01ac21c>] do_local_timer+0x58/0x84
[   10.267028]   [<c0779ad0>] __irq_svc+0x50/0x134
[   10.271820]   [<c01b26ec>] default_idle+0x28/0x2c
[   10.276794]   [<c01b2944>] cpu_idle+0x78/0xdc
[   10.281372]   [<8077258c>] 0x8077258c
[   10.285247] irq event stamp: 6306
[   10.288726] hardirqs last  enabled at (6306): [<c077955c>] _raw_spin_unlock_irqrestore+0x3c/0x68
[   10.298065] hardirqs last disabled at (6305): [<c0778bb4>] _raw_spin_lock_irqsave+0x1c/0x84
[   10.306884] softirqs last  enabled at (5329): [<c01ffa7c>] irq_exit+0x58/0xb0
[   10.314483] softirqs last disabled at (5310): [<c01ffa7c>] irq_exit+0x58/0xb0
[   10.322021] 
[   10.322021] other info that might help us debug this:
[   10.328918] no locks held by blkid/327.
[   10.332977] 
[   10.333007] stack backtrace:
[   10.337646] [<c01b8cf0>] (unwind_backtrace+0x0/0xe0) from [<c022b630>] (print_usage_bug+0x180/0x1c4)
[   10.347320] [<c022b630>] (print_usage_bug+0x180/0x1c4) from [<c022b72c>] (mark_lock_irq+0xb8/0x268)
[   10.356842] [<c022b72c>] (mark_lock_irq+0xb8/0x268) from [<c022bb90>] (mark_lock+0x2b4/0x458)
[   10.365875] [<c022bb90>] (mark_lock+0x2b4/0x458) from [<c022be6c>] (mark_irqflags+0x138/0x194)
[   10.374877] [<c022be6c>] (mark_irqflags+0x138/0x194) from [<c022dec0>] (__lock_acquire+0x708/0x914)
[   10.384338] [<c022dec0>] (__lock_acquire+0x708/0x914) from [<c022e7c0>] (lock_acquire+0x120/0x144)
[   10.393707] [<c022e7c0>] (lock_acquire+0x120/0x144) from [<c0778a64>] (_raw_spin_lock+0x38/0x70)
[   10.402893] [<c0778a64>] (_raw_spin_lock+0x38/0x70) from [<c042a818>] (yama_ptracer_del+0x18/0x94)
[   10.412261] [<c042a818>] (yama_ptracer_del+0x18/0x94) from [<c03fa728>] (security_task_free+0xc/0x38)
[   10.421905] [<c03fa728>] (security_task_free+0xc/0x38) from [<c01f5b98>] (__put_task_struct+0x64/0x108)
[   10.431732] [<c01f5b98>] (__put_task_struct+0x64/0x108) from [<c07762b4>] (schedule+0x520/0x600)
[   10.440917] [<c07762b4>] (schedule+0x520/0x600) from [<c07765ec>] (preempt_schedule+0x48/0x64)
[   10.449951] [<c07765ec>] (preempt_schedule+0x48/0x64) from [<c01fb7ac>] (exit_notify+0x118/0x130)
[   10.459228] [<c01fb7ac>] (exit_notify+0x118/0x130) from [<c01fbf3c>] (do_exit+0x2d4/0x368)
[   10.467864] [<c01fbf3c>] (do_exit+0x2d4/0x368) from [<c01fc180>] (do_group_exit+0x90/0xc0)
[   10.476501] [<c01fc180>] (do_group_exit+0x90/0xc0) from [<c01fc1c0>] (sys_exit_group+0x10/0x18)
[   10.485626] [<c01fc1c0>] (sys_exit_group+0x10/0x18) from [<c01b13a0>] (ret_fast_syscall+0x0/0x3c)