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 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772950 Title: dkms key enrolled in mok, but dkms module fails to load To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/dkms/+bug/1772950/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs