Re: [gentoo-user] cdrecord-prodvd extrange behaivor

[Uwe Thiem]

On 27 September 2005 17:25, Mauro Sauco wrote:
> On Tue, 27 Sep 2005 17:18:41 +0200, Holly Bostick wrote
>
> > Jason Stubbs schreef:
> > > As I said, it doesn't seem like it's misinterpreting from the output
> >
> > Actually, it seems to me that it is, from the output:
> > > Track 01: 4444 of 4444 MB written (fifo 100%). Track 01: Total bytes
> > > read/written: 4660250624/4660250624 (2275513 sectors). Writing  time:
> > >  101.814s Fixating... WARNING: Some drives don't like fixation in
> > > dummy mode.
>
> Sorry, I mistakenly pasted the stdout from one of the times that I ran it
> with -dummy.
>
> I've just tried the suggestion from wong again, but same behavior,
>
> #cdrecord dev=0,0,0 speed=1 -v -eject -dao  -data
>
[ snip ]
> cdrecord: WARNING: Drive returns wrong startsec (0) using -150
> Starting new track at sector: 0
> Track 01: 3139 of 4444 MB written (fifo   6%).cdrecord: fifo had 51856 puts
> and 51848 gets.
> cdrecord: fifo was 611 times empty and 432 times full, min fill was 0%.

Now, this is interesting. It reports it has only written 3139MB of 4444MB. So 
this is actually a DVD rather than a CD. Anyway, it did not report all data 
written.

Is this, by any chance a DVD+/-RW? They need formatting first.

The other interesting point is that the fifo has been empty 611 times which, 
AFAIK, indicates it has problems getting the data fast enough. Are the 
harddrive the ISO image is sitting on and the DVD burner master/slave on the 
same IDE? That's not so good an idea with DVD because they need their data at 
a far higher rate than CD burners. This latter issue has probably nothing to 
do with the dummy mode. Still, you may run into trouble once you have solve 
the other problem.

Uwe

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