Hi Pekka,
> Got this from a 2.6.18rc7-based fedora-devel kernel:
>
> =============================================
> [ INFO: possible recursive locking detected ]
> 2.6.17-1.2647.fc6 #1
> ---------------------------------------------
> sdpd/4955 is trying to acquire lock:
> (sk_lock-AF_BLUETOOTH){--..}, at: [<f0cea241>] bt_accept_dequeue+0x26/0xc6
> [bluetooth]
>
> but task is already holding lock:
> (sk_lock-AF_BLUETOOTH){--..}, at: [<f0b90088>] l2cap_sock_accept+0x41/0x11e
> [l2cap]
>
> other info that might help us debug this:
> 1 lock held by sdpd/4955:
> #0: (sk_lock-AF_BLUETOOTH){--..}, at: [<f0b90088>]
> l2cap_sock_accept+0x41/0x11e [l2cap]
>
> stack backtrace:
> [<c04051ee>] show_trace_log_lvl+0x58/0x171
> [<c0405802>] show_trace+0xd/0x10
> [<c040591b>] dump_stack+0x19/0x1b
> [<c043b9e1>] __lock_acquire+0x778/0x99c
> [<c043c176>] lock_acquire+0x4b/0x6d
> [<c05b27e3>] lock_sock+0xac/0xbc
> [<f0cea241>] bt_accept_dequeue+0x26/0xc6 [bluetooth]
> [<f0b90129>] l2cap_sock_accept+0xe2/0x11e [l2cap]
> [<c05b1bd7>] sys_accept+0xd8/0x179
> [<c05b1d1f>] sys_socketcall+0xa7/0x186
> [<c0403faf>] syscall_call+0x7/0xb
> DWARF2 unwinder stuck at syscall_call+0x7/0xb
> Leftover inexact backtrace:
> [<c0405802>] show_trace+0xd/0x10
> [<c040591b>] dump_stack+0x19/0x1b
> [<c043b9e1>] __lock_acquire+0x778/0x99c
> [<c043c176>] lock_acquire+0x4b/0x6d
> [<c05b27e3>] lock_sock+0xac/0xbc
> [<f0cea241>] bt_accept_dequeue+0x26/0xc6 [bluetooth]
> [<f0b90129>] l2cap_sock_accept+0xe2/0x11e [l2cap]
> [<c05b1bd7>] sys_accept+0xd8/0x179
> [<c05b1d1f>] sys_socketcall+0xa7/0x186
> [<c0403faf>] syscall_call+0x7/0xb
what where you doing when this happened?
Regards
Marcel
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