I was playing mp3s from a CD I burned myself, and all of a sudden, I started
getting:
...
Jan 24 22:58:21 xenon kernel: scsi1 channel 0 : resetting for second half of retries.
Jan 24 22:58:21 xenon kernel: SCSI bus is being reset for host 1 channel 0.
Jan 24 22:58:21 xenon kernel: scsi1: Sending Bus Device Reset CCB #76075 to Target 5
Jan 24 22:58:21 xenon kernel: scsi1: Bus Device Reset CCB #76075 to Target 5 Completed
Jan 24 22:58:21 xenon kernel: SCSI CD error : host 1 id 5 lun 0 return code = 26030000
Jan 24 22:58:21 xenon kernel: CD-ROM I/O error: dev 0b:00, sector 172
Jan 24 22:58:24 xenon kernel: scsi1 channel 0 : resetting for second half of ret
ries.
Jan 24 22:58:24 xenon kernel: SCSI bus is being reset for host 1 channel 0.
Jan 24 22:58:24 xenon kernel: scsi1: Resetting BusLogic BT-930 due to Target 5
Jan 24 22:58:24 xenon kernel: scsi1: *** BusLogic BT-930 Initialized Successfull
y ***
Jan 24 22:58:24 xenon kernel: scsi1: device driver called scsi_done() for a sync
ronous reset.
Jan 24 22:58:24 xenon kernel: scsi1: device driver called scsi_done() for a sync
ronous reset.
Jan 24 22:58:28 xenon kernel: SCSI CD error : host 1 id 5 lun 0 return code = 26
030000
Jan 24 22:58:28 xenon kernel: CD-ROM I/O error: dev 0b:00, sector 176
Jan 24 22:58:30 xenon kernel: scsi1 channel 0 : resetting for second half of ret
ries.
...
This continued over and over.
So I tried something different:
[root@xenon /local/cdrom]# dd if=/dev/cdrom of=/dev/null
1289536+0 records in
1289536+0 records out
and then I got
...
Jan 24 23:46:06 xenon kernel: scsi1: MEDIUM ERROR on channel 0, id 5, lun 0, CDB: Read
(10) 00 00 04 eb 4c 00 00 06 00
Jan 24 23:46:06 xenon kernel: Current error sr0b:00: sense key Medium Error
Jan 24 23:46:06 xenon kernel: Additional sense indicates Unrecovered read error
Jan 24 23:46:06 xenon kernel: CD-ROM I/O error: dev 0b:00, sector 1289536
Jan 24 23:46:10 xenon kernel: sr0: CD-ROM error: Current error sr0b:00: sense key
Illegal Request
Jan 24 23:46:10 xenon kernel: Additional sense indicates Illegal mode for this track
Jan 24 23:46:10 xenon kernel: command was: Read (10) 00 00 04 eb 51 00 00 01 00
Jan 24 23:46:14 xenon kernel: sr0: CD-ROM error: Current error sr0b:00: sense key
Illegal Request
Jan 24 23:46:14 xenon kernel: Additional sense indicates Illegal mode for this track
Jan 24 23:46:14 xenon kernel: command was: Read (6) 04 eb 51 01 00
Jan 24 23:46:14 xenon kernel: CD-ROM I/O error: dev 0b:00, sector 1289540
...
Seeing MEDIUM ERROR, does this suggest the CD is messed up? I know I
could try another CD, but I'd like to know if some of the SCSI-gurus out
there could decipher the SCSI protocol here and tell me if it just looked
like bogus disc or if there was something maybe wrong with my drive.
Thanks all,
Brendan
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