FITA DAT SCSI

Galera... estou com o seguinte problema:

qdo dou um dmesg | grep st gera um monte de coisa mas o principal a ser analisado é o seguinte:

Código :

---

st: Version 20040318, fixed bufsize 32768, s/g segs 256
 [<c012d6c8>] request_module+0x88/0xd0
 [<c0107db9>] sysenter_past_esp+0x52/0x79
scsi: Device offlined - not ready after error recovery: host 0 channel 0 id 0 lun 0
scsi: Device offlined - not ready after error recovery: host 0 channel 0 id 1 lun 0
.........
........
scsi: Device offlined - not ready after error recovery: host 0 channel 0 id 14 lun 0
scsi: Device offlined - not ready after error recovery: host 0 channel 0 id 15 lun 0
scsi: Device offlined - not ready after error recovery: host 1 channel 0 id 0 lun 0
scsi: Device offlined - not ready after error recovery: host 1 channel 0 id 1 lun 0
.........
.........
scsi: Device offlined - not ready after error recovery: host 1 channel 0 id 14 lun 0
scsi: Device offlined - not ready after error recovery: host 1 channel 0 id 15 lun 0

---

Alguém aí sabe o que pode ser?

É uma fita DAT SCSI ligado numa controlado SCSI (é lógico)...

Se puderem me ajudar agradeco...

T+