a case wodim spoils DVD+R DL, perhaps because with -multi
Since it's be a while I'll post the story again.
On 10/22/2010 04:57 PM, I reported a case in a previous discussion
thread wodim spoils a DVD+R DL, perhaps because with -multi.
On 10/23/2010 03:02 PM, Thomas Schmitt wrote:
> If you want to go on with investigating the problem together with me,
> then be invited to try it with my software
> http://scdbackup.sourceforge.net/cdrskin-0.8.8.pl00.tar.gz
> which is a cdrecord emulator and able to perform most options of wodim.
> Its entrails are based on libburn which is independent of sources of
> cdrecord or growisofs.
>
> We would first try whether it brings better results (which i rather
> doubt) and could then study the SCSI commands in detail (by option -V)
> if it fails.
> If it really succeeds we could compare its SCSI commands with those of
> wodim in order to make a theory why that one fails.
>
> One difference of libburn and growisofs with DVD+R DL is the layer break
> command. growisofs sends it. I let the drive decide on its own when to
> end layer 1.
>
>
> A quite interesting experiment would be to boot a Linux Live-CD
> which contains the burn programs in question. Like:
> http://rip.7bf.de/current/RIPLinux-11.0-non-X.iso
>
> By this (sparse) system you could cross-check your usual kernel.
>
>
> Whatever, expect quite a waste of test media. There is no dummy mode
> with DVD+R.
>
>From now on I am going to post my study into this issue. For lack of
spare time I am going to investigate not too deep.
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