hangs at Building initial module for 4.15.0-23-generic (promptless password prompt)

Bug #1780885 reported by Andrew McLeod
This bug affects 1 person
Affects Status Importance Assigned to Milestone
dkms (Ubuntu)

Bug Description

This bug may more specifically be with dkms, but assume most people will hit it this way

sudo apt-get update ; sudo apt-get upgrade would hang at:

Building initial module for 4.15.0-23-generic

after a few seconds, keypresses/enter were not being registered, but there is a secret password prompt - i.e., at this point, when things appear to have hung, entering your password twice will continue the process. It may also be related to 'secure boot' but I am unsure.

Similar issue and resolution found here:


Revision history for this message
Andrew McLeod (admcleod) wrote :

Further info: I am running bionic, upgraded from xenial -> zesty -> bionic, and have done previous apt-get upgrade's in bionic without running into this issue.

affects: apt (Ubuntu) → dkms (Ubuntu)
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