spinlock already locked oops net/unix/af_unix.c:1757

On 2.6.0-test1,
At this time don't know how to reproduce.

Nicolas.

Jul 17 18:45:42 hal9003 kernel: net/unix/af_unix.c:1757: 
spin_lock(<NULL>:d2a56084) already locked by <NULL>/1079457668
Jul 17 18:45:42 hal9003 kernel:  printing eip:
Jul 17 18:45:42 hal9003 kernel: c02ee755
Jul 17 18:45:42 hal9003 kernel: Oops: 0000 [#1]
Jul 17 18:45:42 hal9003 kernel: CPU:    0
Jul 17 18:45:42 hal9003 kernel: EIP:    0060:[unix_ioctl+216/540]    Not 
tainted
Jul 17 18:45:42 hal9003 kernel: EIP:    0060:[<c02ee755>]    Not tainted
Jul 17 18:45:42 hal9003 kernel: EFLAGS: 00010202
Jul 17 18:45:42 hal9003 kernel: EIP is at unix_ioctl+0xd8/0x21c
Jul 17 18:45:42 hal9003 kernel: eax: 00000000   ebx: d2a56004   ecx: 00000001   
edx: 00000001
Jul 17 18:45:42 hal9003 kernel: esi: bfffe16c   edi: 00000000   ebp: d31a1f70   
esp: d31a1f48
Jul 17 18:45:42 hal9003 kernel: ds: 007b   es: 007b   ss: 0068
Jul 17 18:45:42 hal9003 kernel: Process kdeinit (pid: 8691, 
threadinfo=d31a0000 task=d34bb000)
Jul 17 18:45:42 hal9003 kernel: Stack: c02fb0a0 c0330bee 000006dd 00000000 
d2a56084 00000000 40573784 0000541b
Jul 17 18:45:42 hal9003 kernel:        0000541b ffffffe7 d31a1f90 c0281d3e 
d3600004 0000541b bfffe16c 0000541b
Jul 17 18:45:42 hal9003 kernel:        d3401004 ffffffe7 d31a1fbc c01807f8 
d3600040 d3401004 0000541b bfffe16c
Jul 17 18:45:42 hal9003 kernel: Call Trace:
Jul 17 18:45:42 hal9003 kernel:  [sock_ioctl+167/620] sock_ioctl+0xa7/0x26c
Jul 17 18:45:42 hal9003 kernel:  [<c0281d3e>] sock_ioctl+0xa7/0x26c
Jul 17 18:45:42 hal9003 kernel:  [sys_ioctl+172/536] sys_ioctl+0xac/0x218
Jul 17 18:45:42 hal9003 kernel:  [<c01807f8>] sys_ioctl+0xac/0x218
Jul 17 18:45:42 hal9003 kernel:  [syscall_call+7/11] syscall_call+0x7/0xb
Jul 17 18:45:42 hal9003 kernel:  [<c0109ddb>] syscall_call+0x7/0xb
Jul 17 18:45:42 hal9003 kernel:
Jul 17 18:45:42 hal9003 kernel: Code: 8b 7a 64 81 bb 80 00 00 00 3c 4b 24 1d 

74 26 8d 83 80 00 00