[kde-linux] k3b won't verify data

Anne Wilson cannewilson at googlemail.com
Mon Feb 4 20:46:11 UTC 2008

On Monday 04 February 2008 19:55:34 Gaffer. wrote:
> Hi Anne,
> On Monday 04 February 2008 19:19, Anne Wilson inscribed thus:
> > On Monday 04 February 2008 17:26:25 Gaffer. wrote:
> > >
> > > I have only one drive, a NEC_DVD_ RW ND-3500AG-B.  Its seems only
> > > to fail to verify when I burn a DVD.  The burn always completes
> > > just fine, then I hit cancel when its fails to start the
> > > verification.
> >
> > Is there any possibility of borrowing a drive and trying that?  I
> > could be way off beam, but every thread I've read about this seems
> > to come back to a hardware problem.  As a matter of interest, how
> > old is the drive?  Is it one of the early generation of DVD drives?
> >  Standards were not as adhered to in the early days - the old
> > business of trying to get an advantage by doing something
> > non-standard.  Anyway, if you can borrow a drive and try that it
> > would answer the problem, one way or the other.
> >
> > Anne
> Sure I can pop another drive in there and test it.   The above drive
> is probably 5 or 6 months old, but when I remove it I will check the
> manufactured date for you.
I wouldn't have expected a problem on a young drive like that.

> > > > I don't know whether it's an Ubuntu issue, but I suspect not.
> > > > I think that most times I've heard of it the reporter has
> > > > mentioned owning a combo drive like yours.  If you are able to
> > > > put a standard DVD drive in I suspect the problem will go away.
> > > >  It certainly is fine on every system I've handled, but I've
> > > > never had a combo drive.
> No I don't think it is distro specific at all.  Probably some weird
> bug.   Like other users have reported, it comes and goes.  That in
> itself suggests either hardware or timing issues.
> Something along the lines of:-   Software requires an input from some
> hardware.  Software gets interrupted and misses input.  Hardware has
> no way of knowing that the signal has been missed.
> But this scenario poses questions of its own.

Intermittent faults are always the worst to deal with.  Bug reports ask how to 
trigger the bug, but with some you never can tie it down.  No wonder they 
don't get fixed.  If you do try another drive, let us know whether that has 
the same problem?

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