[  570.336207]
[  570.336210] =====================================
[  570.336995] [ BUG: bad unlock balance detected! ]
[  570.337523] -------------------------------------
[  570.338042] swapper/0 is trying to release lock (&(&hdev->lock)->rlock) at:
[  570.338864] [<d98c24d3>] hci_disable_le_scan+0x33/0x40 [bluetooth]
[  570.339528] but there are no more locks to release!
[  570.340010]
[  570.340011] other info that might help us debug this:
[  570.340062] 1 lock held by swapper/0:
[  570.340062]  #0:  (&hdev->le_scan_timer){+.-...}, at: [<c0160ee2>] run_timer_softirq+0xc2/0x310
[  570.340062]
[  570.340062] stack backtrace:
[  570.340062] Pid: 0, comm: swapper Not tainted 2.6.39+ #6
[  570.340062] Call Trace:
[  570.340062]  [<c05a3522>] ? printk+0x1d/0x23
[  570.340062]  [<c0186dfa>] print_unlock_inbalance_bug.clone.21+0xda/0xe0
[  570.340062]  [<d98c24d3>] ? hci_disable_le_scan+0x33/0x40 [bluetooth]
[  570.340062]  [<d98c24d3>] ? hci_disable_le_scan+0x33/0x40 [bluetooth]
[  570.340062]  [<d98c24d3>] ? hci_disable_le_scan+0x33/0x40 [bluetooth]
[  570.340062]  [<c0189e16>] lock_release_non_nested+0x226/0x2f0
[  570.340062]  [<d98c24d3>] ? hci_disable_le_scan+0x33/0x40 [bluetooth]
[  570.340062]  [<c018a866>] ? mark_held_locks+0x56/0x80
[  570.340062]  [<c018a8e3>] ? trace_hardirqs_on_caller+0x53/0x160
[  570.340062]  [<d98c24d3>] ? hci_disable_le_scan+0x33/0x40 [bluetooth]
[  570.340062]  [<c0189f7d>] lock_release+0x9d/0x1c0
[  570.340062]  [<d98c2395>] ? hci_send_cmd+0xb5/0x160 [bluetooth]
[  570.340062]  [<d98c24d3>] ? hci_disable_le_scan+0x33/0x40 [bluetooth]
[  570.340062]  [<c05a69bb>] _raw_spin_unlock+0x1b/0x30
[  570.340062]  [<d98c24d3>] hci_disable_le_scan+0x33/0x40 [bluetooth]
[  570.340062]  [<c0160f64>] run_timer_softirq+0x144/0x310
[  570.340062]  [<c0160ee2>] ? run_timer_softirq+0xc2/0x310
[  570.340062]  [<d98c24a0>] ? hci_reset_req+0x60/0x60 [bluetooth]
[  570.340062]  [<c015943e>] __do_softirq+0x9e/0x1a0
[  570.340062]  [<c01593a0>] ? send_remote_softirq+0x90/0x90
[  570.340062]  <IRQ>  [<c015978e>] ? irq_exit+0x7e/0x90
[  570.340062]  [<c05ae5f9>] ? smp_apic_timer_interrupt+0x59/0x88
[  570.340062]  [<c0379eec>] ? trace_hardirqs_off_thunk+0xc/0x10
[  570.340062]  [<c05a74e2>] ? apic_timer_interrupt+0x36/0x3c
[  570.340062]  [<c011007b>] ? time_cpufreq_notifier+0x8b/0x140
[  570.340062]  [<c01800e0>] ? timer_list_show+0xd50/0xf90
[  570.340062]  [<c012e86a>] ? native_safe_halt+0xa/0x10
[  570.340062]  [<c011151f>] ? default_idle+0x5f/0x100
[  570.340062]  [<c010932f>] ? cpu_idle+0x8f/0xc0
[  570.340062]  [<c013b94e>] ? complete+0x4e/0x60
[  570.340062]  [<c058d0c6>] ? rest_init+0xa6/0xb0
[  570.340062]  [<c058d020>] ? sha_init+0x30/0x30
[  570.340062]  [<c07ce7b8>] ? start_kernel+0x363/0x36a
[  570.340062]  [<c07ce1dd>] ? loglevel+0x1a/0x1a
[  570.340062]  [<c07ce0cf>] ? i386_start_kernel+0xbe/0xc6