ioctl: LOOP_SET_STATUS: Invalid argument


#1

Description:
Creating a loopback device with losetup
Operating System:

Ubuntu
Error:

# losetup -e aes -k 256 /dev/loop0 /dev/sdb1
Password: 
ioctl: LOOP_SET_STATUS: Invalid argument


Solution:

The error could be caused by either:

  • incorrect command syntax
  • missing modules try:
# modprobe cryptoloop

#2

#3