Error mounting /dev/sdb2/ at /run/media/operaciones/8c5272c6-5bbe-4fe9-a877-4e07f7944eba: Command-line `mount -t "jfs" -o "uhelper=udisk2,nodev,nosuid""/dev/sdb2""/run/media/operaciones/8c5272c6-5bbe-4fe9-a877-4e07f7944eba" exited with non-zero exit status 32: mount: wrong fs type, bad option, bad superblock on /dev/sdb2, missing codepage or helper program or other error In some cases useful info is found in syslog - try dmesg | tail or so