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== Comment: #0 - Grgo Mariani <Grgo.Mariani@xxxxxxx> - 2025-06-23 03:21:06 ==
---Problem Description---
Recently pkey module has been split into pkey, pkey-cca, pkey-ep11, pkey-pckmo and pkey-uv.
This might cause problems for customers who use encrypted root directory with any of these as it requires these modules to be loaded with initrd.
However listing the modules with lsinitramfs only shows the pkey module being loaded.

e.g.
$ lsinitramfs /boot/initrd.img-$(uname -r) | grep pkey
usr/lib/modules/6.14.0-22-generic/kernel/drivers/s390/crypto/pkey.ko.zst
$ ls -la /lib/modules/$(uname -r)/kernel/drivers/s390/crypto | grep pkey
-rw-r--r-- 1 root root  8003 May 21 09:38 pkey-cca.ko.zst
-rw-r--r-- 1 root root  7304 May 21 09:38 pkey-ep11.ko.zst
-rw-r--r-- 1 root root 15922 May 21 09:38 pkey.ko.zst
-rw-r--r-- 1 root root  6207 May 21 09:38 pkey-pckmo.ko.zst
-rw-r--r-- 1 root root  4643 May 21 09:38 pkey-uv.ko.zst
 
---uname output---
Linux SYSTEM 6.14.0-22-generic #22-Ubuntu SMP Wed May 21 13:32:46 UTC 2025 s390x s390x s390x GNU/Linux
 
---Additional Hardware Info---
CEX cards attached 

 
Contact Information = grgo.mariani@xxxxxxx christian.rund@xxxxxxxxxx 
 
Machine Type = Manufacturer:         IBM              Type:                 8561 Model:                701              T01 
 
---Debugger---
A debugger is not configured
 
---Steps to Reproduce---
Check the modules in the initrd
$ lsinitramfs /boot/initrd.img-$(uname -r) | grep pkey
and compare them with available modules
$ ls -la /lib/modules/$(uname -r)/kernel/drivers/s390/crypto/ | grep pkey
 
System Dump Info:
  The system is not configured to capture a system dump.
 
Stack trace output:
 no
 
Oops output:
 no

== Comment: #1 - Ingo Franzki <ifranzki@xxxxxxxxxx> - 2025-06-23 03:24:23 ==
FYI: You can use the Dracut config file from https://github.com/ibm-s390-linux/s390-tools/blob/master/zkey/dracut/99-pkey.conf to get all required modules, tools and files into initramfs.

== Comment: #4 - Ingo Franzki <ifranzki@xxxxxxxxxx> - 2025-06-23 08:01:41 ==
In case initramfs-tools is still being used then https://github.com/ibm-s390-linux/s390-tools/blob/master/zkey/initramfs/hooks/s390-tools-zkey can be used.

** Affects: s390-tools (Ubuntu)
     Importance: Undecided
     Assignee: Skipper Bug Screeners (skipper-screen-team)
         Status: Confirmed


** Tags: architecture-s3903164 bugnameltc-213961 severity-high targetmilestone-inin2504
-- 
[UBUNTU 25.04] not all pkey modules available in initrd
https://bugs.launchpad.net/bugs/2115718
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