I just plugged the firewire wire, then I got error
messages :
Feb 13 11:01:01 xxx CROND[27569]: (root) CMD (nice -n
19 run-parts /etc/cron.hourly)
Feb 13 11:40:43 xxx kernel: ohci1394_0: Unrecoverable
error!
Feb 13 11:40:43 xxx kernel: ohci1394_0: Async Req Tx
Context died: ctrl[ffffffff] cmdptr[ffffffff]
Feb 13 11:40:43 xxx kernel: ohci1394_0: Async Rsp Tx
Context died: ctrl[ffffffff] cmdptr[ffffffff]
Feb 13 11:40:43 xxx kernel: ohci1394_0: Async Req Rcv
Context died: ctrl[ffffffff] cmdptr[ffffffff]
Feb 13 11:40:43 xxx kernel: ohci1394_0: Async Rsp Rcv
Context died: ctrl[ffffffff] cmdptr[ffffffff]
Feb 13 11:40:43 xxx kernel: ohci1394_0: Iso Xmit 0
Context died: ctrl[ffffffff] cmdptr[ffffffff]
Feb 13 11:40:43 xxx kernel: ohci1394_0: Iso Xmit 1
Context died: ctrl[ffffffff] cmdptr[ffffffff]
Feb 13 11:40:43 xxx kernel: ohci1394_0: Iso Xmit 2
Context died: ctrl[ffffffff] cmdptr[ffffffff]
Feb 13 11:40:43 xxx kernel: ohci1394_0: Iso Xmit 3
Context died: ctrl[ffffffff] cmdptr[ffffffff]
Feb 13 11:40:43 xxx kernel: ohci1394_0: Iso Recv 0
Context died: ctrl[ffffffff] cmdptr[ffffffff]
match[ffffffff]
Feb 13 11:40:43 xxx kernel: ohci1394_0: Iso Recv 1
Context died: ctrl[ffffffff] cmdptr[ffffffff]
match[ffffffff]
Feb 13 11:40:43 xxx kernel: ohci1394_0: Iso Recv 2
Context died: ctrl[ffffffff] cmdptr[ffffffff]
match[ffffffff]
Feb 13 11:40:43 xxx kernel: ohci1394_0: Iso Recv 3
Context died: ctrl[ffffffff] cmdptr[ffffffff]
match[ffffffff]
Feb 13 11:40:43 xxx kernel: ohci1394_0: Runaway loop
while stopping context: ...
Feb 13 11:40:43 xxx kernel: ohci1394_0: Runaway loop
while stopping context: ...
Feb 13 11:40:43 xxx kernel: ohci1394_0: Runaway loop
while stopping context: reqTxComplete...
Feb 13 11:40:43 xxx kernel: ohci1394_0: Runaway loop
while stopping context: respTxComplete...
Feb 13 11:40:43 xxx kernel: ohci1394_0: Runaway loop
while stopping context: RQPkt...
Feb 13 11:40:43 xxx kernel: ohci1394_0: Runaway loop
while stopping context: RSPkt...
Feb 13 11:40:43 xxx kernel: ohci1394_0: Error in
reception of SelfID packets [0xffffffff/0x00010019]
(count: 0)
Feb 13 11:40:43 xxx kernel: ohci1394_0: Set PHY Reg
timeout [0xffffffff/0x00004000/100]
Feb 13 11:40:43 xxx kernel: ohci1394_0: Unhandled
interrupt(s) 0xfe7cff0c
Feb 13 11:40:43 xxx kernel: ieee1394: Node removed:
ID:BUS[0-00:1023] GUID[00004c0107002ad7]
Later, when plugging/switching on device, the kernel
locked up.