What does this mean?

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Author: Siri Amrit Kaur
Date:  
To: plug-discuss
Subject: What does this mean?
I have a cdrom on /dev/hdd. My system sees it but doesn't see any disk I put
in it, either data or audio. I ran "cdrecord dev=ATAPI -scanbus" and got the
following output. I'm wondering about the NO DMA and the warning about the
controller returning the wrong size. Could either of these things be my
problem?

thanks,
Siri Amrit

$ cdrecord dev=ATAPI -scanbus 
<snip>
cdrecord: Warning: Running on Linux-2.6.10-kanotix-8
cdrecord: There are unsettled issues with Linux-2.5 and newer.
cdrecord: If you have unexpected problems, please try Linux-2.4 or Solaris.
scsidev: 'ATAPI'
devname: 'ATAPI'
scsibus: -2 target: -2 lun: -2
Warning: Using ATA Packet interface.
Warning: The related Linux kernel interface code seems to be unmaintained.
Warning: There is absolutely NO DMA, operations thus are slow.
Using libscg version 'schily-0.8'.
scsibus0:
        0,0,0     0) *
cdrecord: Warning: controller returns wrong size for CD capabilities page.
        0,1,0     1) 'E-IDE   ' 'CD-ROM 56X L    ' '23  ' Removable CD-ROM
        0,2,0     2) *
        0,3,0     3) *
        0,4,0     4) *
        0,5,0     5) *
        0,6,0     6) *
        0,7,0     7) *
</snip>
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