John Jolet wrote:

On Dec 19, 2005, at 10:09 AM, Paul wrote:

On Monday 19 Dec 2005 15:38, Jonathan Wright wrote:
Paul wrote:
:-[ PERFORM OPC failed with SK=3h/ASC=73h/ACQ=03h]: Input/output error

That suggests a bad disk - OPC is Optimum Power Calibration and is a
test done on all discs to find out how must power is needed to optimally
write to the disc (can only be done 99 times on any disk) IIRC.

Have you tried with another disk?

Thanks for the suggestion.
I am now in the process of writing the image file using a different make of
disc.
How silly of me to think that if discs work on windows they should work on
linux!!!!

don't assume it's the os...could very well be the burner. unless it's the same box and dual-boot? I've been working with burners since there was only 1x scsi cdr and the media was $25/each. There has ALWAYS been great variation in media and burner compatibility. It's a LOT better than it used to be, but still....

Very true - although it could be a case of Windows 'covering' over a problem, where it would continue on this disk when Linux won't (what with it's superior tools and everything ;)

I have found the DVDs are very difficult to get working reliably. In fact, I've found alot write fine in the drive, but the drive has trouble reading them again, but no problems in reading normal DVDs.

It may be worthwhile looking at a different batch of disks instead of a different disk - just in-case it's a bad batch.

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