[Bug 1654778] Re: growisofs: INCOMPATIBLE FORMAT error with DVD-Rs

2017-01-09 Thread Polly
Thanks for the explanation. It appears that I can change the bug's status to invalid, so I will do that now. ** Changed in: dvd+rw-tools (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1654778] Re: growisofs: INCOMPATIBLE FORMAT error with DVD-Rs

2017-01-09 Thread Thomas Schmitt
Hi, yes, DVD-R and DVD+RW are treated quite differently by the drives. The former is a sequential multi-session medium, the latter is a random-access read-write medium. Firmware procedures inside the drive differ. The laser used is the same, afaik. But the dye on the media is quite surely not

[Bug 1654778] Re: growisofs: INCOMPATIBLE FORMAT error with DVD-Rs

2017-01-08 Thread Polly
Hi Thomas, Thanks for your response. You were right, the problem was with my hardware. I plugged in the Sony to a Mac, and tried burning to the same media there. It didn't work. I found an old Plextor PX 712SA and plugged it into my Linux Mint box and retried the burn with the previously-failing

[Bug 1654778] Re: growisofs: INCOMPATIBLE FORMAT error with DVD-Rs

2017-01-08 Thread Thomas Schmitt
Hi, this looks like a bad relationship between drive and medium. OPC (Optimum Power Calibration) is preparation stage of burning were the drive makes experiments about the laser settings. The media have an especially reserved data area for that. Those experiments did not yield a satisfying