Re: Reading Windows CD on Linux 2.4.6

[H. Peter Anvin]

Followup to:  <[e-mail]>
By author:    Bruce Blinn <[e-mail]>
In newsgroup: linux.dev.kernel
> 
> I do not think the disk is missing data or that there are any bad
> blocks.  The reason I say this is because I can access every file on the
> disk when the CD is mounted as an iso9660 file system on a 2.2.19
> kernel.  I compared the files with the originals and they are identical.
> 
> The only reason I found out dd would not copy the disk is because Masoud
> asked for an image.
> I tried using dd to copy a much larger CD (150 Mb) and it fails at the
> same place and the resulting file is the same size (737280 bytes).  So
> it fails long before the end of the data.
> 
> By the way, dd works fine when copying other CDs that were not created
> under Windows.
> 

This almost seems to imply they're recording the data noncontiguously,
which would be totally bizarre but not totally impossible.

      -hpa
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