From: [EMAIL PROTECTED] Date: Wed, 08 Nov 2006 19:51:05 -0800 > From: Peter Zijlstra <[EMAIL PROTECTED]> > > ============================================= > [ INFO: possible recursive locking detected ] > 2.6.18-1.2726.fc6 #1 > --------------------------------------------- > hidd/2271 is trying to acquire lock: > (sk_lock-AF_BLUETOOTH){--..}, at: [<f8d16241>] bt_accept_dequeue+0x26/0xc6 > [bluetooth] > > but task is already holding lock: > (sk_lock-AF_BLUETOOTH){--..}, at: [<f8bce088>] l2cap_sock_accept+0x41/0x11e > [l2cap] > > other info that might help us debug this: > 1 lock held by hidd/2271: > #0: (sk_lock-AF_BLUETOOTH){--..}, at: [<f8bce088>] > l2cap_sock_accept+0x41/0x11e [l2cap] > > stack backtrace: > [<c04051ed>] show_trace_log_lvl+0x58/0x16a > [<c04057fa>] show_trace+0xd/0x10 > [<c0405913>] dump_stack+0x19/0x1b > [<c043b7dc>] __lock_acquire+0x6ea/0x90d > [<c043bf70>] lock_acquire+0x4b/0x6b > [<c05b203b>] lock_sock+0xac/0xbc > [<f8d16241>] bt_accept_dequeue+0x26/0xc6 [bluetooth] > [<f8bce129>] l2cap_sock_accept+0xe2/0x11e [l2cap] > [<c05b142e>] sys_accept+0xd8/0x179 > [<c05b1576>] sys_socketcall+0xa7/0x186 > [<c0403fb7>] syscall_call+0x7/0xb > > classical case of nesting; bt_accept_dequeue() locks the children of the > object > locked by l2cap_sock_accept(). > > Signed-off-by: Peter Zijlstra <[EMAIL PROTECTED]> > Acked-by: Marcel Holtmann <[EMAIL PROTECTED]> > Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
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