** Tags added: kernel-da-key -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1762353
Title: [Ubuntu 18.04] cryptsetup: 'device-mapper: reload ioctl on failed' when setting up a second end-to-end encrypted disk Status in Ubuntu on IBM z Systems: Triaged Status in linux package in Ubuntu: Triaged Bug description: Problem Description: Environment: z14 VM Guest system with one CEX6C CCA coprocessor in toleration mode (i.e. CEX6 HW presented as CEX5) OS: Ubuntu 18.04 Prerelease Setting up a second dm-crypt device using protected CCA paes-xts keys fails. The problem is reproducible. Details ======= Setting up two or more plain end-to-end encrypted disks using 'cryptsetup' fails when using a cipher based on the protected key mechanism. The setup needs the paes and pkey modules loaded, the former providing the paes-xts-plain64 cipher (cat /proc/crpyto |grep paes). A second attempt to establish an end-to-end encrypted disk fails with : "device-mapper: reload ioctl on failed: No such file or directory." The problem is independent of the second encrypted disk being based on a second DASD or second partition on one DASD. ---uname output--- Linux s3514004 4.13.0-25-generic #29-Ubuntu SMP Mon Jan 8 21:15:56 UTC 2018 s390x s390x s390x GNU/Linux ---Steps to Reproduce--- 1.) The following cryptsetup statement works, and is the first one I issued. cryptsetup plainOpen --key-file securekey.bin --key-size 1024 --cipher paes-xts-plain64 /dev/disk/by-path/ccw-0.0.NNNN-part1 enc-pv1 2.) After this successful statement, I issued the following: cryptsetup plainOpen --key-file securekey.bin --key-size 1024 --cipher paes-xts-plain64 /dev/disk/by-path/ccw-0.0.NNNN-part2 enc-pv2 device-mapper: reload ioctl on failed: No such file or directory. See attached patch (comment #1) as fix. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1762353/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
