Public bug reported: Not sure if this can be fixed or not. dmesg from a clean reboot s390x LPAR Eoan system shows its kernel was tainted due to these 2 reasons:
ubuntu@s2lp4:~$ cat /proc/sys/kernel/tainted 4097 ubuntu@s2lp4:~$ cat /proc/sys/kernel/tainted^C ubuntu@s2lp4:~$ dmesg | grep -i taint [ 20.846400] spl: loading out-of-tree module taints kernel. [ 20.852996] znvpair: module license 'CDDL' taints kernel. [ 20.852997] Disabling lock debugging due to kernel taint ProblemType: Bug DistroRelease: Ubuntu 19.10 Package: linux-image-5.3.0-28-generic 5.3.0-28.30 ProcVersionSignature: Ubuntu 5.3.0-28.30-generic 5.3.13 Uname: Linux 5.3.0-28-generic s390x NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair AlsaDevices: Error: command ['ls', '-l', '/dev/snd/'] failed with exit code 2: ls: cannot access '/dev/snd/': No such file or directory AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay' ApportVersion: 2.20.11-0ubuntu8.3 Architecture: s390x ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 'arecord' CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found. Date: Fri Jan 17 04:40:29 2020 IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig' Lsusb: Error: command ['lsusb'] failed with exit code 1: PciMultimedia: ProcFB: ProcKernelCmdLine: root=UUID=d15a5734-c073-4c9a-80ad-65a914214bb8 crashkernel=196M BOOT_IMAGE=0 RelatedPackageVersions: linux-restricted-modules-5.3.0-28-generic N/A linux-backports-modules-5.3.0-28-generic N/A linux-firmware 1.183.3 RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill' SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Tags: apport-bug eoan package-from-proposed s390x -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1860098 Title: Eoan s390x LPAR kernel taints due to out-of-tree spl module and CDDL license of znvpair module To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1860098/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs