Le 10/12/2018 à 06:34, md a écrit :
MD> sudo dd if=/dev/sr0 of=/sdb1/movie.iso 32596480 bytes (33 MB, 31 MiB) copied, 7.00018 s, 4.7 MB/s dd: error reading '/dev/sr0': Input/output error
(...)
MD> dvdbackup -M libdvdread: Attempting to retrieve all CSS keys libdvdread: This can take a _long_ time, please be patient libdvdread: Get key for /VIDEO_TS/VIDEO_TS.VOB at 0x00000142
Didn't these messages about CSS keys ring a bell in anybody's mind ?Looks like it is a video DVD protected with CSS. The DVD drive must be unlocked first or will issue read errors on some protected sectors.
Check the kernel logs with dmesg.