Do not change hdparm parameters while burning a DVD
We all know this, right? In my new system, I have forgotten to activate the DVD-R’s DMA. I tried burning a DVD, and it went slow – real slow. I have checked the DMA status: $ hdparm /dev/hda /dev/hda: IO_support = 0 (default 16-bit) unmaskirq = 1 (on) using_dma = 0 (off) keepsettings = 0…