Can't read DVD

[Martin S]

On Saturday, August 24, 2013 04:35:36 AM g wrote:
> On 08/24/2013 03:03 AM, Ed Greshko wrote:
> > On 08/24/13 15:52, Martin S wrote:
> >> I have a set of DVDs - about 6 years old - I wanted to check out what was
> >> on them. All but 1-2 produce input/output erros and can't be read. I
> >> opened them on my wifes Windows box, and they were read without any
> >> problems at all.
> >> 
> >> In Dolphin it opens as empty. [mskjoldebrand at dragon K3b data project]$ ls
> >> ls: reading directory .: Input/output error
> >> 
> >> [mskjoldebrand at dragon K3b data project]$ sudo tail -s 3 -f
> >> /var/log/messages Aug 24 09:48:11 dragon kernel: [11573.619129] iso9660:
> >> Corrupted directory entry in block 0 of inode 53504
> >> 
> >> Can something be done?
> > 
> > Are the DVDs commercially produced or were they written on DVD∓R or DVD∓RW
> > media?
> > 
> > I have experienced many cases with non-commercially produced DVDs would be
> > readable in one drive and non-readable in another and it wasn't O/S
> > dependent.
> 
> in addition, with a dvd that give errors, try;
> 
>    dd if=/dev/sr0 of=/dev/null

Aye I know about non-factory discs but I thought 2 out of 10 or 12 was a bit 
excessive. I ran that command without errors (expected, the laptop is only a 
few months old) but I'll go look at them as you say =)

/M.