Après un formatage en Ext4 via Gparted, j'en suis au même point...
Pas d'erreur via Gsmartcontrol mais dans les journaux :
17:45:27 kernel: mei_me 0000:00:16.0: timer: init clients timeout hbm_state = 1.
17:45:03 kernel: sd 6:0:0:0: [sdb] No Caching mode page found
17:45:00 wpa_supplicant: dbus: Failed to construct signal
17:45:00 kernel: JBD2: Error -5 detected when updating journal superblock for sdb1-8.
17:45:00 kernel: Buffer I/O error on dev sdb1, logical block 38830080, lost sync page write
17:45:00 kernel: Aborting journal on device sdb1-8.
17:45:00 kernel: JBD2: Error -5 detected when updating journal superblock for sdb1-8.
17:45:00 kernel: Buffer I/O error on dev sdb1, logical block 38830080, lost sync page write
17:45:00 kernel: print_req_error: I/O error, dev sdb, sector 0