Dal jsem tam nove dvd od sony a vyplivlo mi to tohle :
tomik@jaros:~$ growisofs -Z /dev/dvd=/home/tomik/zkouska.iso --use-the-force-luke=dao
Executing 'builtin_dd if=/home/tomik/zkouska.iso of=/dev/dvd obs=32k seek=0'
/dev/dvd: "Current Write Speed" is 8.2x1352KBps.
1572864/5376000 (29.3%) @0.0x, remaining 0:14 RBU 11.4% UBU 2.1%
1572864/5376000 (29.3%) @0.0x, remaining 0:24 RBU 11.4% UBU 100.0%
1572864/5376000 (29.3%) @0.0x, remaining 0:31 RBU 11.4% UBU 100.0%
1572864/5376000 (29.3%) @0.0x, remaining 0:38 RBU 11.4% UBU 100.0%

WRITE@LBA=300h failed with SK=3h/POWER CALIBRATION AREA ERROR]: Input/output error
:-( write failed: Input/output error
/dev/dvd: flushing cache
/dev/dvd: closing track

CLOSE TRACK failed with SK=3h/POWER CALIBRATION AREA ERROR]: Input/output error
/dev/dvd: closing disc

CLOSE DISC failed with SK=3h/POWER CALIBRATION AREA ERROR]: Input/output error
/dev/dvd: reloading tray
Tak teda nevim, no. Na dvd nic není.