Warning: Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no longer supported.
/dev/sdb1: read failed after 0 of 512 at 8003190784: Input/output error
/dev/sdb1: read failed after 0 of 512 at 8003248128: Input/output error
/dev/sdb1: read failed after 0 of 512 at 8003190784: Input/output error
/dev/sdb1: read failed after 0 of 512 at 8003248128: Input/output error
/dev/sdb1: read failed after 0 of 512 at 8003190784: Input/output error
/dev/sdb1: read failed after 0 of 512 at 8003248128: Input/output error
/dev/sdb1: read failed after 0 of 512 at 8003190784: Input/output error
/dev/sdb1: read failed after 0 of 512 at 8003248128: Input/output error
done