I tried mmcblk0 and mmcblk0p6 instead of mmcblk0p2, but it fails the same way.

HI, I have the very same problem, but as I work with windows, I just can't modify the files once they've been written on the SD card. I will try on a Mac. Maybe is my card too big (16Gb)? Tried Android, Raspbian, Noob, and nothing worked. VFS: Cannot open root device "mmcblk0p2" or unknown-block(179...