Re: dvd+rw-tools-5.14.4.7.4.tar.gz
Hi Andy,
oh, I'm so stupid. I assumed that hardware / software does
automaticly set the speed to a reasonable value.
After trying with speed=2 instead of =4 the DVD-R was burned
but still inaccessable.
And now after playing around a long time I figured out
that the media is designed for 1x ;-)
Nevertheless, I tried the version 5.13 as you recommended
but I can't switch to speed=1 (error message, that growisofs
can not switch to this speed).
When I use 5.14 and speed=1 it burns with 2x.
What can I do?
thx + cu
rasca
On Thu, 11 Dec 2003 20:12:27 +0100
Andy Polyakov <appro@fy.chalmers.se> wrote:
> > This was fine. But after burning my first DVD I had a problem.
> > May be you know the answer.
> >
> > My setup: BTC DVD+/-R/RW, Linux kernel 2.4.22, cdrecord 2.x
> >
> > Burning was done by
> > growisofs -Z /dev/scd0=fuji.iso
> >
> > No errors or warning were given. But then if I try to
> > mount it is see:
> >
> > attempt to access beyond end of device
> > 0b:00: rw=0, want=34, limit=2
> > isofs_read_super: bread failed, dev=0b:00, iso_blknum=16, block=16
> >
> > dvd+rw-mediainfo gives:
> > INQUIRY: [DVDRW ][IDE1004 ][0040]
> > GET [CURRENT] CONFIGURATION:
> > Mounted Media: 11h, DVD-R Sequential
> > Media ID: LD01
> > Current Write Speed: 4.0x1385=5540KB/s
> > Write Speed #0: 4.0x1385=5540KB/s
> > Write Speed #1: 2.0x1385=2770KB/s
> > Write Speed #2: 1.0x1385=1385KB/s
> > GET PERFORMANCE:
> > Speed Descriptor#0: 00/2298496 Reading@1.0x Writing@4.0x
> > READ DVD STRUCTURE[#10h]:
> > Media Book Type: 25h, DVD-R book [revision 5]
> > Legacy lead-out at: 2298496*2KB=4707319808
> > READ DVD STRUCTURE[#0h]:
> > Media Book Type: 25h, DVD-R book [revision 5]
> > Last border-out at: 0*2KB=0
> > READ DISC INFORMATION:
> > Disc status: blank
> > Number of Sessions: 1
> > State of Last Session: empty
> > Number of Tracks: 1
> > READ TRACK INFORMATION[#1]:
> > Track State: blank
> > Track Start Address: 0*2KB
> > Next Writable Address: 0*2KB
> > Free Blocks: 2298496*2KB
> > Track Size: 2298496*2KB
> >
> > A disk status of blank!? strange.. If I have a look
> > at the surface of the dvd it looks burned..
> >
> > Any ideas?
>
> Smells like media poorly supported by your firmware. I mean if surface
> hue has changed and unit still recognizes media as blank, it sounds like
> laser power was not enough during recording. You should a) try another
> media brand, b) try to record at lower speed. As for the latter. Version
> 5.14 introduces new speed selection code and given the dvd+rw-medainfo
> output, it might fail. Problem is that units presents several "Write
> Speed" descriptors, but only one "Performance" descriptor. This means
> that you might have to use previous version 5.13 at least with this
> media. I'd like to hear more about your experience with this [preferably
> on the list]. A.
>
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