This bug was fixed in the package user-setup - 1.63ubuntu6
--------------- user-setup (1.63ubuntu6) disco; urgency=medium
* Mount /proc before calling adduser --encrypt-home. This calls into ecryptfs, which requires a /proc in order to find out where sysfs is mounted. (LP: #1817689)
-- Iain Lane <email address hidden> Wed, 27 Feb 2019 16:48:22 +0000
This bug was fixed in the package user-setup - 1.63ubuntu6
---------------
user-setup (1.63ubuntu6) disco; urgency=medium
* Mount /proc before calling adduser --encrypt-home. This calls into
ecryptfs, which requires a /proc in order to find out where sysfs is
mounted. (LP: #1817689)
-- Iain Lane <email address hidden> Wed, 27 Feb 2019 16:48:22 +0000