Re-verified trusty since the previous trusty comment was imprecise:
dkms 2.2.0.3-1.1ubuntu5.14.04.10
Upgrading kernel and headers follows with a loadable, properly signed
module using the MOK generated previously.
ubuntu@ubuntu:~$ dpkg -l shim-signed dkms | cat
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version
Architecture Description
+++-=====================================-====================================================-============-===============================================================================
ii dkms 2.2.0.3-1.1ubuntu5.14.04.10
all Dynamic Kernel Module Support Framework
ii shim-signed 1.33.1~14.04.4+13-0ubuntu2
amd64 Secure Boot chain-loading bootloader
(Microsoft-signed binary)
[...]
Unpacking linux-headers-4.4.0-142-generic (4.4.0-142.168~14.04.1) ...
Setting up linux-headers-4.4.0-142 (4.4.0-142.168~14.04.1) ...
Setting up linux-headers-4.4.0-142-generic (4.4.0-142.168~14.04.1) ...
Examining /etc/kernel/header_postinst.d.
run-parts: executing /etc/kernel/header_postinst.d/dkms 4.4.0-142-generic
/boot/vmlinuz-4.4.0-142-generic
Nothing to do.
Nothing to do.
ubuntu@ubuntu:/lib/modules/4.4.0-142-generic$ cat /proc/version_signature
Ubuntu 4.4.0-142.168~14.04.1-generic 4.4.167
ubuntu@ubuntu:/lib/modules/4.4.0-142-generic$ sudo modprobe bbswitch
modprobe: ERROR: could not insert 'bbswitch': No such device
ubuntu@ubuntu:/lib/modules/4.4.0-142-generic$ dmesg | tail
[ 15.036233] audit: type=1400 audit(1550095748.630:15): apparmor="STATUS"
operation="profile_replace" profile="unconfined"
name="/usr/lib/connman/scripts/dhclient-script" pid=1004 comm="apparmor_parser"
[ 15.036504] audit: type=1400 audit(1550095748.630:16): apparmor="STATUS"
operation="profile_replace" profile="unconfined"
name="/usr/lib/connman/scripts/dhclient-script" pid=1004 comm="apparmor_parser"
[ 15.118903] audit: type=1400 audit(1550095748.714:17): apparmor="STATUS"
operation="profile_load" profile="unconfined" name="/usr/sbin/tcpdump" pid=1006
comm="apparmor_parser"
[ 15.273612] init: plymouth-upstart-bridge main process ended, respawning
[ 16.272167] random: nonblocking pool is initialized
[ 219.644638] bbswitch: loading out-of-tree module taints kernel.
[ 219.644704] bbswitch: module verification failed: signature and/or required
key missing - tainting kernel
[ 219.645133] bbswitch: version 0.7
[ 219.645146] bbswitch: Found integrated VGA device 0000:00:02.0:
\_SB_.PCI0.VID_
[ 219.645159] bbswitch: No discrete VGA device found
** Tags removed: verification-needed-xenial
** Tags added: verification-done-xenial
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https://bugs.launchpad.net/bugs/1772950
Title:
dkms key enrolled in mok, but dkms module fails to load
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