[k3b] [Bug 381074] [MATSHITA BD-MLT UJ240AS] Does not write image "debian-8.8.0-amd64-BD-1.iso"

[Thomas Schmitt]

https://bugs.kde.org/show_bug.cgi?id=381074

--- Comment #20 from Thomas Schmitt <scdbackup at gmx.net> ---
Hi,

the given BD-R medium is not blank but rather seems to have been
used already with growisofs. Only growisofs formats BD-R to state SRM+POW:

  Mounted Media:         41h, BD-R SRM+POW

The first track is completely written:

 READ TRACK INFORMATION[#1]:
  Track State:           partial incremental
  Track Start Address:   0*2KB
  Free Blocks:           0*2KB
  Track Size:            11560096*2KB

The remaining space is about 1 GIB:

 READ TRACK INFORMATION[#2]:
  Track State:           invisible incremental
  Track Start Address:   11560096*2KB
  Next Writable Address: 11560096*2KB
  Free Blocks:           528224*2KB
  Track Size:            528224*2KB

The peculiar formatting causes an optimistic reply about the number of
readable blocks. It includes written and unwritten capacity:

  READ CAPACITY:          12088320*2048=24756879360

-------------------------------------------------------------------------

This medium is indeed not suitable for a burn run of 21.4 GiB.

You need to insert a new one that was never burnt.

dvd+rw-mediinfo should report something like
  ...
  READ DISC INFORMATION:
   Disc status:           blank
   Number of Sessions:    1
   State of Last Session: empty
   "Next" Track:          1
   Number of Tracks:      1
  ...
  READ TRACK INFORMATION[#1]:
   Track State:           invisible incremental
   Track Start Address:   0*2KB
   Next Writable Address: 0*2KB
   Free Blocks:           12219392*2KB
   Track Size:            12219392*2KB
  READ CAPACITY:          0*2048=0

-------------------------------------------------------------------------

If this is the medium that caused this bug report, then there remains
the riddle why
  https://bugsfiles.kde.org/attachment.cgi?id=106037
shows the text
  "Empty BD-R medium"

It should say something like "Appendable BD-R medium".

(And can it be that the english text "size 21,4 GiB" in the image bears
 a german decimal comma ? Pinching eyes ...)


Have a nice day :)

Thomas

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