--------------------- update -------------------------
o disco é exibido como um excelente disco:
thufir@doge:~$
thufir@doge:~$ cdck -t -v
Track list (1-1):
1: 00:02:00 (sec: 000000) data
170: 82:48:60 (sec: 372510) data (leadout)
Disc status: data mode 1
Multisession: 0
Audio status: failed to get, reason: Input/output error
Try to find out what sort of CD this is...
CD-ROM with iso9660 fs
iso9660: 727 MB size, label 'KIWI CD/DVD Installation '
Creating software: '0xc1c764e9'
bootable CD
NB! For disks written with some burners cdck might
report about unreadable sectors at the end of the disk.
In such cases you can just ignore those warnings.
Reading sectors 1-372510
372508 ok
CD overall:
Sectors total: 372510:
Good sectors: 372510:
Bad sectors (incl. with poor timing): 0
CD timings:
Minimal = 0 usec (0.000000s)
Maximal = 45445 usec (0.045445s)
Average = 186 usec (0.000186s)
Conclusion:
Excellent disc!
thufir@doge:~$
no entanto, a gravação sempre é reportada como falha. Falha do que não está claro. O md5 faz check-out tão bem.
--------------------- update final ------------------------ ------------------
Estou gravando um ISO do Linux, ViciBox , do Ubuntu. Eu passei por alguns DVDs e agora estou apenas simulando a gravação em disco com o K3B. Não vejo uma mensagem de falha específica:
Burned media
-----------------------
DVD-R Sequential
Devices
-----------------------
TSSTcorp CDDVDW SH-222AL SB01 (/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-RAM, 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, Layer Jump] [%7]
System
-----------------------
K3b Version: 2.0.2
KDE Version: 4.14.1
QT Version: 4.8.6
Kernel: 3.16.0-23-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 372510 blocks
, warning for short DAO recording
/dev/sr0: "Current Write Speed" is 16.4x1352KBps.
491520/762900480 ( 0.1%) @0.0x, remaining 129:15 RBU 100.0% UBU 6.3%
491520/762900480 ( 0.1%) @0.0x, remaining 206:49 RBU 100.0% UBU 100.0%
491520/762900480 ( 0.1%) @0.0x, remaining 310:13 RBU 100.0% UBU 100.0%
491520/762900480 ( 0.1%) @0.0x, remaining 387:46 RBU 100.0% UBU 100.0%
15204352/762900480 ( 2.0%) @3.2x, remaining 14:45 RBU 100.0% UBU 99.1%
46792704/762900480 ( 6.1%) @6.8x, remaining 5:36 RBU 100.0% UBU 99.1%
73433088/762900480 ( 9.6%) @5.8x, remaining 3:54 RBU 100.0% UBU 99.1%
105971712/762900480 (13.9%) @7.0x, remaining 2:53 RBU 100.0% UBU 98.9%
139034624/762900480 (18.2%) @7.2x, remaining 2:23 RBU 100.0% UBU 99.1%
166461440/762900480 (21.8%) @5.9x, remaining 2:05 RBU 100.0% UBU 98.9%
200409088/762900480 (26.3%) @7.3x, remaining 1:46 RBU 100.0% UBU 98.4%
234848256/762900480 (30.8%) @7.5x, remaining 1:34 RBU 100.0% UBU 99.1%
264503296/762900480 (34.7%) @6.4x, remaining 1:24 RBU 100.0% UBU 82.2%
299859968/762900480 (39.3%) @7.7x, remaining 1:14 RBU 100.0% UBU 98.9%
335740928/762900480 (44.0%) @7.8x, remaining 1:06 RBU 99.9% UBU 98.9%
368607232/762900480 (48.3%) @7.1x, remaining 0:58 RBU 100.0% UBU 95.9%
403570688/762900480 (52.9%) @7.6x, remaining 0:51 RBU 100.0% UBU 98.1%
440860672/762900480 (57.8%) @8.1x, remaining 0:45 RBU 100.0% UBU 98.9%
478642176/762900480 (62.7%) @8.2x, remaining 0:38 RBU 99.9% UBU 98.7%
516915200/762900480 (67.8%) @8.3x, remaining 0:32 RBU 100.0% UBU 98.9%
555712512/762900480 (72.8%) @8.4x, remaining 0:26 RBU 100.0% UBU 98.7%
595001344/762900480 (78.0%) @8.5x, remaining 0:21 RBU 100.0% UBU 98.7%
634781696/762900480 (83.2%) @8.6x, remaining 0:15 RBU 100.0% UBU 98.7%
675053568/762900480 (88.5%) @8.7x, remaining 0:10 RBU 100.0% UBU 98.7%
715849728/762900480 (93.8%) @8.8x, remaining 0:05 RBU 100.0% UBU 98.6%
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:372510 -use-the-force-luke=dummy -use-the-force-luke=dao:372510 -dvd-compat -speed=16 -use-the-force-luke=bufsize:32m
Notavelmente, o K3B confirma a soma md5:
thufir@dur:~$
thufir@dur:~$ md5sum Vicibox_v.6.0.x86_64-6.0.3.preload.iso
d676e7c90f2f716c2844a507a52686b2 Vicibox_v.6.0.x86_64-6.0.3.preload.iso
thufir@dur:~$
que corresponde ao md5sum:
link
--------------- no tópico ------------------------------ -
não, eu não estou perguntando sobre uma distro diferente, eu só quero gravar este ISO do Ubuntu e estou tentando entender o resultado da depuração.