This bug was fixed in the package ubuntu-release-upgrader - 1:18.04.12
--------------- ubuntu-release-upgrader (1:18.04.12) bionic; urgency=medium
[ Simon Quigley ] * Port away from kdesudo.
[ Brian Murray ] * Increase the size of the buffer used when calculating the free space to estimate for the initramfs.
-- Brian Murray <email address hidden> Wed, 21 Mar 2018 16:32:15 -0700
This bug was fixed in the package ubuntu- release- upgrader - 1:18.04.12
--------------- release- upgrader (1:18.04.12) bionic; urgency=medium
ubuntu-
[ Simon Quigley ]
* Port away from kdesudo.
[ Brian Murray ]
* Increase the size of the buffer used when calculating the free space to
estimate for the initramfs.
-- Brian Murray <email address hidden> Wed, 21 Mar 2018 16:32:15 -0700