Hello,

I give below data from the log regarding the unsuccessful burn.

The burning speed was ca. 16x. Would 4x ensure success?

I used a DVD -r for the media.

Advice please

Data From the Log:

Burned media
-----------------------
DVD-R Sequential

Devices
-----------------------
HL-DT-ST DVD+-RW GSA-H31N B109 (/dev/sr0, CD-R, CD-RW, CD-ROM, DVD-ROM, DVD-R, DVD-RW, DVD+R, DVD+RW, DVD+R DL) [DVD-ROM, DVD-R Sequential, 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/R96P, SAO/R96R, RAW/R16, RAW/R96P, RAW/R96R, Restricted Overwrite] [%7]

K3b::DataTrackReader
-----------------------
reading sectors 0 to 790743 with sector size 2048. Length: 790744 sectors, 1619443712 bytes.

System
-----------------------
K3b Version: 2.0.2
KDE Version: 4.13.3
QT Version: 4.8.6
Kernel: 4.4.0-116-generic

Used versions
-----------------------
growisofs: 7.1

growisofs
-----------------------
Executing 'builtin_dd if=/dev/fd/0 of=/dev/sr0 obs=32k seek=0'
/dev/sr0: engaging DVD-R DAO upon user request...
/dev/sr0: reserving 790744 blocks
/dev/sr0: "Current Write Speed" is 16.4x1352KBps.
0/1619443712 ( 0.0%) @0x, remaining ??:?? RBU 100.0% UBU 0.0%
=== last message repeated 21 times. ===
10485760/1619443712 ( 0.6%) @2.3x, remaining 189:14 RBU 100.0% UBU 7.0%
41648128/1619443712 ( 2.6%) @6.7x, remaining 48:37 RBU 100.0% UBU 83.9%
73269248/1619443712 ( 4.5%) @6.8x, remaining 28:29 RBU 100.0% UBU 83.9%
105447424/1619443712 ( 6.5%) @7.0x, remaining 20:06 RBU 100.0% UBU 83.9%
138084352/1619443712 ( 8.5%) @7.1x, remaining 15:33 RBU 100.0% UBU 83.9%
171180032/1619443712 (10.6%) @7.2x, remaining 12:49 RBU 100.0% UBU 83.9%
204832768/1619443712 (12.6%) @7.3x, remaining 10:49 RBU 100.0% UBU 83.9%
238944256/1619443712 (14.8%) @7.4x, remaining 9:20 RBU 100.0% UBU 83.9%
273547264/1619443712 (16.9%) @7.5x, remaining 8:16 RBU 100.0% UBU 83.9%
308609024/1619443712 (19.1%) @7.6x, remaining 7:21 RBU 100.0% UBU 83.9%
344195072/1619443712 (21.3%) @7.7x, remaining 6:36 RBU 100.0% UBU 83.9%
380239872/1619443712 (23.5%) @7.8x, remaining 6:01 RBU 100.0% UBU 83.9%
416776192/1619443712 (25.7%) @7.9x, remaining 5:28 RBU 100.0% UBU 83.9%
453771264/1619443712 (28.0%) @8.0x, remaining 5:00 RBU 100.0% UBU 83.9%
491323392/1619443712 (30.3%) @8.1x, remaining 4:37 RBU 100.0% UBU 83.9%
522354688/1619443712 (32.3%) @6.7x, remaining 4:20 RBU 100.0% UBU 83.9%
560791552/1619443712 (34.6%) @8.3x, remaining 3:59 RBU 100.0% UBU 86.2%
599621632/1619443712 (37.0%) @8.4x, remaining 3:42 RBU 100.0% UBU 86.2%
639074304/1619443712 (39.5%) @8.5x, remaining 3:25 RBU 100.0% UBU 86.2%
678920192/1619443712 (41.9%) @8.6x, remaining 3:09 RBU 100.0% UBU 86.2%
719323136/1619443712 (44.4%) @8.7x, remaining 2:56 RBU 99.9% UBU 86.2%
760184832/1619443712 (46.9%) @8.9x, remaining 2:42 RBU 100.0% UBU 86.2%
801505280/1619443712 (49.5%) @8.9x, remaining 2:30 RBU 100.0% UBU 86.2%
843350016/1619443712 (52.1%) @9.1x, remaining 2:18 RBU 100.0% UBU 86.2%
885653504/1619443712 (54.7%) @9.2x, remaining 2:07 RBU 100.0% UBU 86.2%
928481280/1619443712 (57.3%) @9.3x, remaining 1:56 RBU 100.0% UBU 86.2%
971800576/1619443712 (60.0%) @9.4x, remaining 1:47 RBU 100.0% UBU 86.2%
1015611392/1619443712 (62.7%) @9.5x, remaining 1:37 RBU 100.0% UBU 86.2%
1059913728/1619443712 (65.4%) @9.6x, remaining 1:28 RBU 100.0% UBU 86.2%
1104642048/1619443712 (68.2%) @9.7x, remaining 1:19 RBU 100.0% UBU 86.2%
1149894656/1619443712 (71.0%) @9.8x, remaining 1:11 RBU 100.0% UBU 86.2%
1195671552/1619443712 (73.8%) @9.9x, remaining 1:02 RBU 100.0% UBU 86.2%
1241874432/1619443712 (76.7%) @10.0x, remaining 0:55 RBU 100.0% UBU 86.2%
1288568832/1619443712 (79.6%) @10.1x, remaining 0:47 RBU 100.0% UBU 86.2%
1335787520/1619443712 (82.5%) @10.2x, remaining 0:39 RBU 100.0% UBU 86.2%
1383464960/1619443712 (85.4%) @10.3x, remaining 0:32 RBU 100.0% UBU 86.2%
1431666688/1619443712 (88.4%) @10.4x, remaining 0:25 RBU 100.0% UBU 86.2%
1477902336/1619443712 (91.3%) @10.0x, remaining 0:18 RBU 100.0% UBU 86.2%
1522466816/1619443712 (94.0%) @9.6x, remaining 0:12 RBU 100.0% UBU 88.5%
1572012032/1619443712 (97.1%) @10.7x, remaining 0:06 RBU 100.0% UBU 88.5%