I'm seeing this in 16.04.2 LTS.
During dist-upgrade I see:
Error! Could not locate dkms.conf file. File: does not exist.
I too have been having VBox issues, such as locking up my system.
$ sudo apt-cache policy virtualbox dkms virtualbox: Installed: 5.0.36-dfsg-0ubuntu1.16.04.2 Candidate: 5.0.36-dfsg-0ubuntu1.16.04.2 Version table: *** 5.0.36-dfsg-0ubuntu1.16.04.2 500 500 http://archive.ubuntu.com/ubuntu xenial-updates/multiverse amd64 Packages 100 /var/lib/dpkg/status 5.0.18-dfsg-2build1 500 500 http://archive.ubuntu.com/ubuntu xenial/multiverse amd64 Packages dkms: Installed: 2.2.0.3-2ubuntu11.3 Candidate: 2.2.0.3-2ubuntu11.3 Version table: *** 2.2.0.3-2ubuntu11.3 500 500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages 500 http://archive.ubuntu.com/ubuntu xenial-updates/main i386 Packages 100 /var/lib/dpkg/status 2.2.0.3-2ubuntu11 500 500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages 500 http://archive.ubuntu.com/ubuntu xenial/main i386 Packages
I'm seeing this in 16.04.2 LTS.
During dist-upgrade I see:
Error! Could not locate dkms.conf file.
File: does not exist.
I too have been having VBox issues, such as locking up my system.
$ sudo apt-cache policy virtualbox dkms dfsg-0ubuntu1. 16.04.2 dfsg-0ubuntu1. 16.04.2 dfsg-0ubuntu1. 16.04.2 500 archive. ubuntu. com/ubuntu xenial- updates/ multiverse amd64 Packages dpkg/status 0.18-dfsg- 2build1 500 archive. ubuntu. com/ubuntu xenial/multiverse amd64 Packages archive. ubuntu. com/ubuntu xenial-updates/main amd64 Packages archive. ubuntu. com/ubuntu xenial-updates/main i386 Packages dpkg/status 2.0.3-2ubuntu11 500 archive. ubuntu. com/ubuntu xenial/main amd64 Packages archive. ubuntu. com/ubuntu xenial/main i386 Packages
virtualbox:
Installed: 5.0.36-
Candidate: 5.0.36-
Version table:
*** 5.0.36-
500 http://
100 /var/lib/
5.
500 http://
dkms:
Installed: 2.2.0.3-2ubuntu11.3
Candidate: 2.2.0.3-2ubuntu11.3
Version table:
*** 2.2.0.3-2ubuntu11.3 500
500 http://
500 http://
100 /var/lib/
2.
500 http://
500 http://