error using dd with Linux 2.4.10

error using dd with Linux 2.4.10

[bescir]

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For your info:
this  happens on my PC when trying a "dd" on my SCSI CD (Pioneer CD-ROM
changer DRM-6324X) connected to the sym53c895 SCSI controller after the
"upgrade" to kernel version 2.4.10 from 2.4.9. Note that with 2.4.9
everything went O.K.
 
root@anaconda:~# dd if=/dev/scd6 of=/dev/null
dd: /dev/scd6: Input/output error
400+0 records in
400+0 records out
 
root@anaconda:~# tail  /var/log/syslog
Sep 28 18:10:47 anaconda kernel:  I/O error: dev 0b:06, sector 400
Sep 28 18:10:47 anaconda kernel: scsi0 channel 0 : resetting for second
half of
retries.
Sep 28 18:10:47 anaconda kernel: SCSI bus is being reset for host 0
channel 0.
Sep 28 18:10:47 anaconda kernel: sym53c8xx_reset: pid=0 reset_flags=1
serial_num
ber=0 serial_number_at_timeout=0
Sep 28 18:10:47 anaconda kernel: scsi0: device driver called scsi_done()
for a s
ynchronous reset.
Sep 28 18:10:47 anaconda kernel: sym53c895-0: Downloading SCSI SCRIPTS.
Sep 28 18:10:47 anaconda kernel: sym53c895-0: SCSI bus mode change from
80 to 80
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