Description of problem: After opening and mounting a LUKS volume it's impossible to close it. Version-Release number of selected component (if applicable): cryptsetup-luks-1.3.1-3.fc16 How reproducible: Always Steps to Reproduce: 1. cryptsetup luksOpen <volume> crypt 2. mount /dev/mapper/crypt 3. umount /dev/mapper/crypt 4. cryptsetup luksClose -v /dev/mapper/crypt Actual results: Closing of the LUKS volume Expected results: Device crypt is busy. Command failed with code 16: Device crypt is busy. Additional info: This has been happening a few kernel versions ago, I can't recall exactly when it started. A reboot will close the volume without problems.
*** This bug has been marked as a duplicate of bug 809188 ***