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Re: growisofs failing on some iso files



On 04/13/2012 09:41 PM, Thomas Schmitt wrote:
You may ask cdrskin to print a table-of-content from MMC commands:

   cdrskin dev=/dev/sr0 -minfo

which should yield something like
   Track  Sess Type   Start Addr End Addr   Size
   ==============================================
       1     1 Data   0          138420     138421

This is exactly what I got, so cdrskin seems to work as expected.

Well, some might be able. But i know of nobody who would be willing.
cdrkit team is hardly a candidate due to lack of manpower already for wodim.

If a growisofs-devel group forms, then i would be willing to join
and help. But not as somebody who decides. That would be a conflict
of interest. I want my own stuff to be used, but i still owe growisofs
some favors.

I understand and appreciate that you're willing to help.

I'd like to see restoring of dvd+rw-tools project development in the future. However, I'll doubtfully find enough time to fill in the missing "burning" knowledge and maintain the project by myself, but I'll think about this.

Wow. That's a collection of several different problems.
Growing since years.

Very funny are the many "the same error" statements.
(All problems are the same. But some are more same than others.)

Thanks for the comments, I forwarded potential readers of that report to your answers in this mailing-list archive.

https://bugzilla.redhat.com/show_bug.cgi?id=807474
Do you see a text "reserving ... blocks" in that bug report ?

No, but I expect it was there and was removed together with other parts of the output.

In the growisofs messages of above thread i see the session size
reported at the start of the growisofs run:

  Executing 'builtin_dd if=/dev/fd/0 of=/dev/scd1 obs=32k seek=0'
  /dev/scd1: engaging DVD-R DAO upon user request...
  /dev/scd1: reserving 2020809 blocks
  /dev/scd1: "Current Write Speed" is 8.2x1352KBps.
     622592/4138616832 ( 0.0%) @0.0x, remaining 443:05 RBU 100.0% UBU   5.0%

And it also depends on the media type, I see the "reserving XX block" message when using DVD-RW:

$ growisofs -Z /dev/sr0=cdrom2-rhel.iso
Executing 'builtin_dd if=cdrom2-rhel.iso of=/dev/sr0 obs=32k seek=0'
/dev/sr0: FEATURE 21h is not on, engaging DAO...
/dev/sr0: reserving 138421 block, warning for short DAO recording
/dev/sr0: "Current Write Speed" is 4.1x1352KBps.
    4947968/283486208 ( 1.7%) @1.1x, remaining 3:45 RBU 100.0% UBU   7.1%
...

But not when DVD-R or DVD+RW is used:

$ growisofs -Z /dev/sr0=cdrom2-rhel.iso
Executing 'builtin_dd if=cdrom2-rhel.iso of=/dev/sr0 obs=32k seek=0'
/dev/sr0: "Current Write Speed" is 4.1x1352KBps.
    4882432/283486208 ( 1.7%) @1.1x, remaining 4:45 RBU 100.0% UBU   7.1%
...

Cheers,

Honza


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