Public bug reported:

Problem Description
===================
dmesg Error seen on system booting from Ubuntu18.04
Is this an issue?
[    2.601750] integrity: Unable to open file: /etc/keys/x509_ima.der (-2)
[    2.601754] integrity: Unable to open file: /etc/keys/x509_evm.der (-2)

user1@yob45wos:~$ sudo dmesg --level=alert
user1@yob45wos:~$ sudo dmesg --level=crit
user1@yob45wos:~$ sudo dmesg --level=err
[    3.382733] integrity: Unable to open file: /etc/keys/x509_ima.der (-2)
[    3.382738] integrity: Unable to open file: /etc/keys/x509_evm.der (-2)
[    3.531263] vio vio: uevent: failed to send synthetic uevent
[    4.521383] nouveau 0004:04:00.0: unknown chipset (140000a1)
[    4.521889] nouveau 0035:03:00.0: unknown chipset (140000a1)
[    4.634336] lpfc 0030:01:00.0: 0:6101 Disabling NVME support: Not supported 
by firmware: 0 0
[    4.634416] lpfc 0030:01:00.0: 0:2574 IO channels: irqs 4 fcp 4 nvme 0 MRQ: 
16
[    5.646354] lpfc 0030:01:00.1: 1:6101 Disabling NVME support: Not supported 
by firmware: 0 0
[    5.646420] lpfc 0030:01:00.1: 1:2574 IO channels: irqs 4 fcp 4 nvme 0 MRQ: 
16
[    6.944481] lpfc 0030:01:00.1: 1:1303 Link Up Event x1 received Data: x1 x0 
x80 x0 x0 x0 0
[    6.944634] lpfc 0030:01:00.0: 0:1303 Link Up Event x1 received Data: x1 x0 
x80 x0 x0 x0 0
[   22.109545] vio vio: uevent: failed to send synthetic uevent
user1@yob45wos:~$

> 
> Problem Description
> ===================
> dmesg Error seen on system booting from Ubuntu18.04
> Is this an issue?  These messages are seen on every IPL.  Is there an issue?
> [    2.601750] integrity: Unable to open file: /etc/keys/x509_ima.der (-2)
> [    2.601754] integrity: Unable to open file: /etc/keys/x509_evm.der (-2)

These messages should be marked as Warnings instead of Errors as they it 
supposedly a warning and not an error. 
This was fixed in LP #1656908 / Bug 150596, but seeing it with 'dmesg 
--level=err' again in 18.04. 
* In Ubuntu 17.04 : after reboot getting message in console like Unable to
open file: /etc/keys/x509_ima.der (-2) (LP: #1656908)
- SAUCE: ima: Downgrade error to warning

Mirroring this bug to distro to fix this in the latest kernel.

Thank you.

** Affects: ubuntu
     Importance: Undecided
         Status: New


** Tags: architecture-ppc64le bugnameltc-166612 severity-high 
targetmilestone-inin---

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https://bugs.launchpad.net/bugs/1771555

Title:
  dmesg Error seen on system booting from Ubuntu18.04

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