Fwd: [dvd+rw-tools][error][openbsd] error message not clear for a beginner

/dev/rcd0c=dvd.iso :-( unable to allocate 56 bytes: Cannot allocate memory what must I do ? Regards, David MAURER

Fwd: [dvd+rw-tools][error][openbsd] why do I have to restart the computer after a dvd + rw-format

a growisofs -dvd-compat -Z /dev/rcd0c=./dvd.iso for it to work? Regards, David MAURER