Fresh boot, lockdep complained on cc or auth.
hcid[790]: link_key_request (sba=00:09:DD:10:0C:5C, dba=00:02:5B:10:9D:E4)
=================================
[ INFO: inconsistent lock state ]
2.6.25 #1
---------------------------------
inconsistent {in-softirq-W} -> {softirq-on-W} usage.
krfcommd/812 [HC0[0]:SC0[0]:HE1:SE1] takes:
(slock-AF_BLUETOOTH){-+..}, at: [<c807abf8>] rfcomm_sk_state_change+0x28/0xe0
[rfcomm]
{in-softirq-W} state was registered at:
[<c0137d42>] __lock_acquire+0x372/0x1010
[<c0138a45>] lock_acquire+0x65/0x90
[<c02cb28a>] _spin_lock+0x1a/0x30
[<c8032524>] l2cap_recv_frame+0x674/0x1110 [l2cap]
[<c80339e0>] l2cap_recv_acldata+0x2c0/0x330 [l2cap]
[<c805f819>] hci_rx_task+0x1d9/0x260 [bluetooth]
[<c011e548>] tasklet_action+0x38/0x80
[<c011e3b7>] __do_softirq+0x57/0xb0
[<c011e456>] do_softirq+0x46/0x50
[<c011e8c5>] irq_exit+0x65/0x80
[<c01068bd>] do_IRQ+0x4d/0x90
[<c0104eae>] common_interrupt+0x2e/0x40
[<c0102998>] cpu_idle+0x38/0x80
[<c02c4423>] rest_init+0x43/0x50
[<ffffffff>] 0xffffffff
irq event stamp: 429
hardirqs last enabled at (429): [<c0103f23>] restore_nocheck+0x12/0x15
hardirqs last disabled at (428): [<c0104ea4>] common_interrupt+0x24/0x40
softirqs last enabled at (426): [<c011e3ff>] __do_softirq+0x9f/0xb0
softirqs last disabled at (393): [<c011e456>] do_softirq+0x46/0x50
other info that might help us debug this:
2 locks held by krfcommd/812:
#0: (rfcomm_mutex){--..}, at: [<c8078e63>] rfcomm_run+0x123/0x1380 [rfcomm]
#1: (&d->lock){--..}, at: [<c8078a3d>] rfcomm_dlc_accept+0x2d/0x80 [rfcomm]
stack backtrace:
Pid: 812, comm: krfcommd Not tainted 2.6.25 #1
[<c013666a>] print_usage_bug+0x11a/0x130
[<c013723d>] mark_lock+0x3cd/0x530
[<c0137d88>] __lock_acquire+0x3b8/0x1010
[<c0137569>] ? trace_hardirqs_on+0xb9/0x140
[<c0103f23>] ? restore_nocheck+0x12/0x15
[<c0138a45>] lock_acquire+0x65/0x90
[<c807abf8>] ? rfcomm_sk_state_change+0x28/0xe0 [rfcomm]
[<c02cb28a>] _spin_lock+0x1a/0x30
[<c807abf8>] ? rfcomm_sk_state_change+0x28/0xe0 [rfcomm]
[<c807abf8>] rfcomm_sk_state_change+0x28/0xe0 [rfcomm]
[<c8078a4e>] rfcomm_dlc_accept+0x3e/0x80 [rfcomm]
[<c80799ae>] rfcomm_run+0xc6e/0x1380 [rfcomm]
[<c0137c50>] ? __lock_acquire+0x280/0x1010
[<c02cb638>] ? _spin_unlock_irqrestore+0x38/0x40
[<c0137569>] ? trace_hardirqs_on+0xb9/0x140
[<c01167b7>] ? hrtick_set+0x87/0xc0
[<c02c9582>] ? schedule+0x182/0x2e0
[<c8078d40>] ? rfcomm_run+0x0/0x1380 [rfcomm]
[<c012b406>] kthread+0x36/0x60
[<c012b3d0>] ? kthread+0x0/0x60
[<c0105097>] kernel_thread_helper+0x7/0x10
=======================
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