Hi, Tim Woodall wrote: > https://github.com/torvalds/linux/blob/master/include/uapi/linux/cdrom.h > [...] > ==4710== Warning: noted but unhandled ioctl 0x5395 with no size/direction > hints.
ioctl CDROM_LAST_WRITTEN is something which software would call to determine the readable size of a storage device with the confirmatation that it is an optical drive with a loaded medium. (Everything else will probably yield errno 9 "Bad file descriptor".) blkid comes to my mind: https://codesearch.debian.net/search?q=package%3Autil-linux+CDROM_LAST_WRITTEN Have a nice day :) Thomas
