[Please CC me as I'm not on the list]
Hi,
I've got a Logitech Bluetooth keyboard.
With lockdep enabled, I've got the following message just after boot, after
having pressed a key on keyboard :
=============================================
[ INFO: possible recursive locking detected ]
---------------------------------------------
hidd/3150 is trying to acquire lock:
(sk_lock-AF_BLUETOOTH){--..}, at: [<c038a85c>] bt_accept_dequeue+0x54/0xd3
but task is already holding lock:
(sk_lock-AF_BLUETOOTH){--..}, at: [<c0392e5c>] l2cap_sock_accept+0x42/0x12f
other info that might help us debug this:
1 lock held by hidd/3150:
#0: (sk_lock-AF_BLUETOOTH){--..}, at: [<c0392e5c>]
l2cap_sock_accept+0x42/0x12f
stack backtrace:
[<c0103fb9>] show_trace_log_lvl+0x11d/0x137
[<c01046b2>] show_trace+0x12/0x14
[<c010477a>] dump_stack+0x19/0x1b
[<c0134c31>] __lock_acquire+0x9e1/0xcf5
[<c0135271>] lock_acquire+0x5d/0x79
[<c02f0fa3>] lock_sock+0xb4/0xc1
[<c038a85c>] bt_accept_dequeue+0x54/0xd3
[<c0392eeb>] l2cap_sock_accept+0xd1/0x12f
[<c02f013a>] sys_accept+0xd7/0x1a0
[<c02f02c4>] sys_socketcall+0xc1/0x254
[<c0102df5>] sysenter_past_esp+0x56/0x8d
[<b7fea410>] 0xb7fea410
input: Bluetooth HID Boot Protocol Device as /class/input/input5
Kernel: Linux kev1 2.6.18-rc2 #2 SMP PREEMPT Tue Jul 18 11:44:18 CEST 2006
i686 GNU/Linux
Distribution: Debian
bluez-utils 3.1-2
libbluetooth2 3.1-1
--
Kevin Baradon
Networks & Telecom Student
-
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2006/7/26, Marcel Holtmann <[email protected]>:
>
> Hi Kevin,
Hi,
> I've got a Logitech Bluetooth keyboard.
> > With lockdep enabled, I've got the following message just after boot,
> after
>
> this looks like a lock problem in L2CAP. We fixed one, but I am not sure
> if it already made it into 2.6.18-rc2 or not. Can you give the latest
> tree from Linus repository a try?
Since I'm on holiday, I don't have any access to my box.
I will try with a fresh tree as soon as possible (maybe not before the end
of august).
I will keep you informed.
Regards
Regards.
Marcel
--
Kevin Baradon
Networks & Telecom Student
-
Hi Kevin,
> I've got a Logitech Bluetooth keyboard.
> With lockdep enabled, I've got the following message just after boot, after
this looks like a lock problem in L2CAP. We fixed one, but I am not sure
if it already made it into 2.6.18-rc2 or not. Can you give the latest
tree from Linus repository a try?
Regards
Marcel
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