[ale] dd /dev/cdrom queryosity

Geoffrey esoteric at 3times25.net
Sat May 8 20:52:45 EDT 2004


aaron wrote:
> I'm ripping some distro CD's to burn copies, eg:
> 
> dd  if=/dev/cdrom  of=/mydir/distro1x4.iso
> 
> The CD's seem to be reading fine and the ISO's are getting generated,
> but dd is reporting an exit error after completing process:
> 
> dd: reading `/dev/cdrom': Input/output error
> 
> The first test burn from one of the generated ISO's still seemed to
> come out OK. The byte counts of the duplicate CD match the original,
> and the new CD boots up without problems.
> 
> According to a couple HOWTO pages, the dd command line is correct and
> no other flags or options are suggested.  I just don't recall seeing
> this error noted in the past, though I'm not sure if I've done any
> data rips with this particular CD writer, which is a fairly recent
> upgrade. Tried un-mounting the cdrom before running dd but still saw
> the error.
> 
> Mostly a queryosity since the ripped ISO's and resultant CD's seem to
> be fine, but any guesses as to WHY I am seeing this error?

I don't know why you're seeing the error, but I've researched this issue 
before and noted multiple references indicating you can ignore it, so I 
ignore it.

> 
> thanks peace aaron
> 
> 
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> 
> 


-- 
Until later, Geoffrey                     Registered Linux User #108567
Building secure systems in spite of Microsoft



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