dephtu@dephtop:~$ lsmod | grep md
md_mod                 82836  0 
amd74xx                15260  0 [permanent]
dephtu@dephtop:~$ sudo /etc/init.d/mdadm restart
 * Stopping RAID monitoring service mdadm --monitor                                               No /sbin/mdadm found running; none killed.
                                                                                           [ ok ]
 * Starting RAID monitoring service mdadm --monitor                                        [ ok ] 
 dephtop kernel: [17306025.152000] Oops: 0000 [#5]
 dephtop kernel: [17306025.152000] SMP 
 dephtop kernel: [17306025.152000] CPU:    0
 dephtop kernel: [17306025.152000] EIP is at __dentry_open+0x67/0x1e0
 dephtop kernel: [17306025.152000] eax: f8fe3960   ebx: c441cae0   ecx: 00000000   edx: dfab2120
 dephtop kernel: [17306025.152000] esi: d6c75d24   edi: e4831f44   ebp: 00000000   esp: e4831f10
 dephtop kernel: [17306025.152000] ds: 007b   es: 007b   ss: 0068
 dephtop kernel: [17306025.152000] Process mdadm (pid: 8478, threadinfo=e4830000 task=c4675ab0)
 dephtop kernel: [17306025.152000] Stack: dfab2120 f6e7888c c441cae0 ffffff9c e4831f44 00000003 c0168e35 c441cae0 
 dephtop kernel: [17306025.152000]        00000000 00000000 c0168e90 000001b6 e4831f44 f6e7888c dfab2120 00000000 
 dephtop kernel: [17306025.152000]        c765a17c c1261200 00000101 00000001 00000000 0000001f 00000003 df885988 
 dephtop kernel: [17306025.152000] Call Trace:
 dephtop kernel: [17306025.152000]  <c0168e35> nameidata_to_filp+0x35/0x40  <c0168e90> do_filp_open+0x50/0x60
 dephtop kernel: [17306025.152000]  <c0168b33> get_unused_fd+0x53/0xc0  <c0168eea> do_sys_open+0x4a/0xe0
 dephtop kernel: [17306025.152000]  <c0168fbc> sys_open+0x1c/0x20  <c0102fbb> sysenter_past_esp+0x54/0x79
 dephtop kernel: [17306025.152000] Code: 00 00 8b 44 24 04 89 43 08 8b 04 24 c7 43 20 00 00 00 00 c7 43 24 00 00 00 00 89 43 0c 8b 86 98 00 00 00 85 c0 0f 84 5e 01 00 00 <8b> 10 85 d2 74 25 b8 00 e0 ff ff 21 e0 83 3a 02 8b 40 10 0f 84 
 dephtop kernel: [17306025.152000] EIP: [<c0168c07>] __dentry_open+0x67/0x1e0 SS:ESP 0068:e4831f10