Comment 21 for bug 1743908

Present on 19.04 Disco Dingo with kernel:

Linux 5.0.0-11-generic #12-Ubuntu SMP Thu Apr 11 16:41:13 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

Errors in dmesg show:

[ 1.116542] Loading compiled-in X.509 certificates
[ 1.117339] Loaded X.509 cert 'Build time autogenerated kernel key: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
[ 1.117966] Couldn't get size: 0x800000000000000e
[ 1.117968] MODSIGN: Couldn't get UEFI db list
[ 1.118307] Couldn't get size: 0x800000000000000e
[ 1.118307] MODSIGN: Couldn't get UEFI MokListRT
[ 1.118661] Couldn't get size: 0x800000000000000e
[ 1.118661] MODSIGN: Couldn't get UEFI dbx list
[ 1.118685] zswap: loaded using pool lzo/zbud

Also seeing this further down:

[ 5.538136] cfg80211: Loaded X.509 cert 'sforshee: xxxxxxxxxxxxxxxxxxxx'
[ 5.546340] PKCS#7 signature not signed with a trusted key
[ 5.546348] razerkbd: loading out-of-tree module taints kernel.
[ 5.546563] PKCS#7 signature not signed with a trusted key
[ 5.553517] PKCS#7 signature not signed with a trusted key
[ 5.612458] PKCS#7 signature not signed with a trusted key
[ 5.612471] nvidia: module license 'NVIDIA' taints kernel.
[ 5.612472] Disabling lock debugging due to kernel taint

and:

[ 5.721288] iwlwifi 0000:03:00.0: base HW address: blah blah blah
[ 5.725326] PKCS#7 signature not signed with a trusted key
[ 5.733135] NVRM: loading NVIDIA UNIX x86_64 Kernel Module 418.56 Fri Mar 15 12:59:26 CDT 2019
[ 5.738319] PKCS#7 signature not signed with a trusted key
[ 5.738401] PKCS#7 signature not signed with a trusted key
[ 5.739168] nvidia-modeset: Loading NVIDIA Kernel Mode Setting Driver for UNIX platforms 418.56 Fri Mar 15 12:32:40 CDT 2019
[ 5.739843] PKCS#7 signature not signed with a trusted key
[ 5.740612] PKCS#7 signature not signed with a trusted key
[ 5.740786] [drm] [nvidia-drm] [GPU ID 0x00000100] Loading driver
[ 5.740787] [drm] Initialized nvidia-drm 0.0.0 20160202 for 0000:01:00.0 on minor 0
[ 5.746905] PKCS#7 signature not signed with a trusted key
[ 5.748945] nvidia-uvm: Loaded the UVM driver in 8 mode, major device number 509

and:

[ 12.040933] PKCS#7 signature not signed with a trusted key
[ 12.046672] vboxdrv: Found 12 processor cores
[ 12.064917] vboxdrv: TSC mode is Invariant, tentative frequency 3696000093 Hz
[ 12.064917] vboxdrv: Successfully loaded version 6.0.4_Ubuntu (interface 0x00290008)
[ 12.068244] PKCS#7 signature not signed with a trusted key
[ 12.068449] VBoxNetFlt: Successfully started.
[ 12.071204] PKCS#7 signature not signed with a trusted key
[ 12.071325] VBoxNetAdp: Successfully started.
[ 12.074109] PKCS#7 signature not signed with a trusted key
[ 12.074463] VBoxPciLinuxInit