can't burn DVD's on K3b

I bought some DVD’s dual layer but when I try to burn data into it, a message appears, sdaying it’s incompatible.

This is the debugging output:

Burned media

DVD+R Dual Layer

Devices

SONY DVD RW AW-Q170A 1.73 (/dev/sr0, CD-R, CD-RW, CD-ROM, DVD-ROM, DVD-R, DVD-RW, DVD-R DL, DVD+R, DVD+RW, DVD+R DL) [DVD-ROM, DVD-R Sequential, DVD-R Dual Layer Sequential, DVD-R Dual Layer Jump, DVD-RW Restricted Overwrite, DVD-RW Sequential, DVD+RW, DVD+R, DVD+R Dual Layer, CD-ROM, CD-R, CD-RW] [SAO, TAO, RAW, SAO/R96R, RAW/R96R, Restricted Overwrite, Layer Jump] %7]

K3b::IsoImager

mkisofs print size result: 2447159 (5011781632 bytes)

System

K3b Version: 1.69.0
KDE Version: 4.3.1 (KDE 4.3.1) “release 6”
QT Version: 4.5.3
Kernel: 2.6.31.8-0.1-default

Used versions

mkisofs: 1.1.9
growisofs: 7.1

growisofs

Executing ‘builtin_dd if=/dev/fd/0 of=/dev/sr0 obs=32k seek=0’
/dev/sr0: “Current Write Speed” is 1.0x1352KBps.
:- WRITE@LBA=0h failed with SK=5h/CANNOT WRITE MEDIUM - INCOMPATIBLE FORMAT]: Wrong medium type
:frowning: media is not formatted or unsupported.
:frowning: write failed: Wrong medium type

growisofs command:

/usr/bin/growisofs -Z /dev/sr0=/dev/fd/0 -use-the-force-luke=notray -use-the-force-luke=tty -use-the-force-luke=4gms -use-the-force-luke=tracksize:2447159 -speed=6.1 -use-the-force-luke=bufsize:32m

mkisofs

2447159
I: -input-charset not specified, using utf-8 (detected in locale settings)
Using FATBOY_SLIM_EVERYBODY_LO000.MP3;1 for Dance/FATBOY SLIM Everybody Loves A Filter.mp3 (FATBOY SLIM Everybody Loves A Carnival.mp3)
Using PIET_BLANK___JASPA_JONES000.MP3;1 for DreamDance_Trance/Piet Blank & Jaspa Jones - Cream (Single Mix).mp3 (Piet Blank & Jaspa Jones - Cream (Paul van Dyk Short Cut).mp3)
Using JANET_JACKSON___ALL_FOR_000.MP3;1 for Janet Jackson - All for You/Janet_Jackson_-All_For_You(18)Doesnt_Really_Matter.mp3 (Janet_Jackson-All_For_You(17)Feels_So_Great.mp3)
Using JANET_JACKSON___ALL_FOR_001.MP3;1 for Janet Jackson - All for You/Janet_Jackson
-All_For_You(17)Feels_So_Great.mp3 (Janet_Jackson-All_For_You(16)Someone_To_Call_My_Lover.mp3)
Using JANET_JACKSON___ALL_FOR_002.MP3;1 for Janet Jackson - All for You/Janet_Jackson
-All_For_You(16)Someone_To_Call_My_Lover.mp3 (Janet_Jackson-All_For_You(15)Theory(Interlude).mp3)
Using JANET_JACKSON___ALL_FOR_003.MP3;1 for Janet Jackson - All for You/Janet_Jackson_-All_For_You(15)Theory(Interlude).mp3 (janet_jackson_-all_for_you(14)truth.mp3)
Using JANET_JACKSON___ALL_FOR_004.MP3;1 for Janet Jackson - All for You/janet_jackson
-all_for_you(14)truth.mp3 (janet_jackson-all_for_you(13)son_of_a_gun(feat_carly_sim.mp3)
Using JANET_JACKSON___ALL_FOR_005.MP3;1 for Janet Jackson - All for You/janet_jackson_-all_for_you(13)son_of_a_gun(feat_carly_sim.mp3 (janet_jackson_-all_for_you(12)clouds(interlude).mp3)
Using JANET_JACKSON___ALL_FOR_006.MP3;1 for Janet Jackson - All for You/janet_jackson_-all_for_you(12)clouds(interlude).mp3 (Janet_Jackson_-All_For_You(11)Trust_A_Try.mp3)
Using JANET_JACKSON___ALL_FOR_007.MP3;1 for Janet Jackson - All for You/Janet_Jackson
-All_For_You(11)Trust_A_Try.mp3 (Janet_Jackson-All_For_You(10)Lame(Interlude).mp3)
Using _JENNIFER_LOPEZ____J_LO_000.MP3;1 for Jennifer Lopez - JLO/(Jennifer Lopez) - J Lo - 13 - Thats The Way.mp3 ((Jennifer Lopez) - J Lo - 12 - Im Gonna Be Alright.mp3)
Using _JENNIFER_LOPEZ____J_LO_001.MP3;1 for Jennifer Lopez - JLO/(Jennifer Lopez) - J Lo - 12 - Im Gonna Be Alright.mp3 ((Jennifer Lopez) - J Lo - 11 - Secretly.mp3)
Using _JENNIFER_LOPEZ____J_LO_002.MP3;1 for Jennifer Lopez - JLO/(Jennifer Lopez) - J Lo - 11 - Secretly.mp3 ((Jennifer Lopez) - J Lo - 10 - Dance With Me.mp3)
Using _JENNIFER_LOPEZ____J_LO_003.MP3;1 for Jennifer Lopez - JLO/(Jennifer Lopez) - J Lo - 09 - Thats Not Me.mp3 ((Jennifer Lopez) - J Lo - 08 - We Gotta Talk.mp3)
Using _JENNIFER_LOPEZ____J_LO_004.MP3;1 for Jennifer Lopez - JLO/(Jennifer Lopez) - J Lo - 08 - We Gotta Talk.mp3 ((Jennifer Lopez) - J Lo - 07 - Come Over.mp3)
Using _JENNIFER_LOPEZ____J_LO_005.MP3;1 for Jennifer Lopez - JLO/(Jennifer Lopez) - J Lo - 07 - Come Over.mp3 ((Jennifer Lopez) - J Lo - 06 - Caring.mp3)
Using _JENNIFER_LOPEZ____J_LO_006.MP3;1 for Jennifer Lopez - JLO/(Jennifer Lopez) - J Lo - 06 - Caring.mp3 ((Jennifer Lopez) - J Lo - 05 - Aint It Funny.mp3)
Using _JENNIFER_LOPEZ____J_LO_007.MP3;1 for Jennifer Lopez - JLO/(Jennifer Lopez) - J Lo - 05 - Aint It Funny.mp3 ((Jennifer Lopez) - J Lo - 04 - Walking On Sunshine.mp3)
Using _JENNIFER_LOPEZ____J_LO_008.MP3;1 for Jennifer Lopez - JLO/(Jennifer Lopez) - J Lo - 04 - Walking On Sunshine.mp3 ((Jennifer Lopez) - J Lo - 03 - Play.mp3)
Using _JENNIFER_LOPEZ____J_LO_009.MP3;1 for Jennifer Lopez - JLO/(Jennifer Lopez) - J Lo - 03 - Play.mp3 ((Jennifer Lopez) - J Lo - 02- Im Real.mp3)
Using _JENNIFER_LOPEZ____J_LO_00A.MP3;1 for Jennifer Lopez - JLO/(Jennifer Lopez) - J Lo - 02- Im Real.mp3 ((Jennifer Lopez) - J Lo - 01 - Love dont cost a thing.mp3)
Using _JOAQUIN_SABINA_Y_CIA___000.JPG;1 for Joaquin Sabina y CIA - Nos sobran Motivos/Disco 1/(Joaquin Sabina y Cia) - Nos sobran los motivos -front.jpg ((Joaquin Sabina y Cia) - Nos sobran los motivos - back.jpg)
Using JOAQUIN_SABINA_Y_CIA___N000.JPG;1 for Joaquin Sabina y CIA - Nos sobran Motivos/Disco 2/joaquin sabina y cia - nos sobran los motivos -front.jpg (joaquin sabina y cia - nos sobran los motivos -back.jpg)
0.02% done, estimate finish Wed Jan 13 11:39:51 2010
0.04% done, estimate finish Wed Jan 13 11:39:51 2010
0.06% done, estimate finish Wed Jan 13 11:39:51 2010
0.08% done, estimate finish Wed Jan 13 11:39:51 2010
0.10% done, estimate finish Wed Jan 13 11:39:51 2010
0.12% done, estimate finish Wed Jan 13 11:39:51 2010
0.14% done, estimate finish Wed Jan 13 11:39:51 2010
0.16% done, estimate finish Wed Jan 13 11:39:51 2010
0.18% done, estimate finish Wed Jan 13 11:39:51 2010
0.20% done, estimate finish Wed Jan 13 11:39:51 2010
0.22% done, estimate finish Wed Jan 13 11:39:51 2010
0.25% done, estimate finish Wed Jan 13 11:39:51 2010
0.27% done, estimate finish Wed Jan 13 11:39:51 2010
0.29% done, estimate finish Wed Jan 13 11:39:51 2010
0.31% done, estimate finish Wed Jan 13 11:39:51 2010
0.33% done, estimate finish Wed Jan 13 11:39:51 2010
0.35% done, estimate finish Wed Jan 13 11:44:38 2010
0.37% done, estimate finish Wed Jan 13 11:44:22 2010
0.39% done, estimate finish Wed Jan 13 11:44:08 2010
0.41% done, estimate finish Wed Jan 13 11:43:55 2010
0.43% done, estimate finish Wed Jan 13 11:43:43 2010
0.45% done, estimate finish Wed Jan 13 11:43:33 2010
0.47% done, estimate finish Wed Jan 13 11:43:23 2010
0.49% done, estimate finish Wed Jan 13 11:43:14 2010
0.51% done, estimate finish Wed Jan 13 11:43:06 2010
0.53% done, estimate finish Wed Jan 13 11:42:59 2010
0.55% done, estimate finish Wed Jan 13 11:42:52 2010
0.57% done, estimate finish Wed Jan 13 11:42:45 2010
0.59% done, estimate finish Wed Jan 13 11:42:39 2010
0.61% done, estimate finish Wed Jan 13 11:42:33 2010
0.63% done, estimate finish Wed Jan 13 11:42:28 2010
0.65% done, estimate finish Wed Jan 13 11:42:23 2010

mkisofs calculate size command:

/usr/bin/genisoimage -gui -graft-points -print-size -quiet -volid K3b data project -volset -appid K3B THE CD KREATOR (C) 1998-2009 SEBASTIAN TRUEG -publisher -preparer -sysid LINUX -volset-size 1 -volset-seqno 1 -sort /tmp/kde-agunet/k3bjA7622.tmp -rational-rock -hide-list /tmp/kde-agunet/k3bLy7622.tmp -joliet -joliet-long -hide-joliet-list /tmp/kde-agunet/k3bFB7622.tmp -no-cache-inodes -full-iso9660-filenames -iso-level 3 -path-list /tmp/kde-agunet/k3bDY7622.tmp

mkisofs command:

/usr/bin/genisoimage -gui -graft-points -volid K3b data project -volset -appid K3B THE CD KREATOR (C) 1998-2009 SEBASTIAN TRUEG -publisher -preparer -sysid LINUX -volset-size 1 -volset-seqno 1 -sort /tmp/kde-agunet/k3baC7622.tmp -rational-rock -hide-list /tmp/kde-agunet/k3bsd7622.tmp -joliet -joliet-long -hide-joliet-list /tmp/kde-agunet/k3bQF7622.tmp -no-cache-inodes -full-iso9660-filenames -iso-level 3 -path-list /tmp/kde-agunet/k3bay7622.tmp

Any suggestionis why is this ?

Thanks for any feedback

regards,

agunet74