K3b burnt a data dvd but that disk can't be recognized by any dvd device including the burner itself

[SmartKenny]

Binary package hint: k3b

I burnt a data dvd on dvd+r disks with k3b (1.68.0~alpha3-0ubuntu1) on ubuntu 9.10 (karmic), it seemed succeeded both burning and verifying the disk, but the disk can't be recognized by any dvd driver including the dvd burner itself! Looking at the disk from aside, it is burnt with data because you can see the track lines which was blank before burnt.

I tried with ubuntu 9.04 on the same file set, the same machine, the same dvd burner, and it burnt well and all dvd drivers can read it. The k3b version on the 9.04 is 1.0.5+kde4svn935857+really1.0.5-3ubuntu5.

I found this problem after I burnt several disks and deleted the data. So, sadly, I lost many data.

Another thing I need to point out is that I also tried to blank and burn a DVD+RW disk. I tried to erase it with k3b, k3b said it's done erasing (very quick, just 0.1 second I guess), but actually it's not erased, everything is still there. So I have to blank it with Brasero, and this time it succeeded, and then k3b burnt it successfully. But no luck for a DVD+R disk.

ProblemType: Bug
Architecture: i386
Date: Sat Oct 31 23:14:43 2009
DistroRelease: Ubuntu 9.10
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.2)
NonfreeKernelModules: nvidia
Package: k3b 1.68.0~alpha3-0ubuntu1
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
SourcePackage: k3b
Uname: Linux 2.6.31-14-generic i686

[SmartKenny (smartkenny)]

BTW, when insert the burnt disk in any dvd driver, dmesg shows this line:

cdrom: This disc doesn't have any tracks I recognize!

[SmartKenny (smartkenny)]

I am not sure what happens, but looks like it works for some burners.

I did the following tests for k3b:

PIONEER DVD-RW DVR-106D

    not working for DVD+R disk
    working for DVD+RW
    working for any disk with k3b on Ubuntu 9.04.

Pioneer DVR-XD08

    working for any disk

[Schily (schilling-fokus)]

k3b is only a frontend to write programs. Which program has been used to write
to the medium and what error occurs?

[SmartKenny (smartkenny)]

Schily, you are right, even using the command "cdrecord" it also doesn't work.

Not sure if it's a problem of my burner physically, because everything works fine for my new burner.

I wouldn't bother to dig in the old burner.