More background information: I am upgrading from bionic to cosmic.
The process hierarchy is, starting with PID 1 and following the chain down to the editor process: /lib/systemd/systemd --system --deserialize 22 /usr/bin/python3 /tmp/ubuntu-release-upgrader-11yhdo4c/cosmic --mode=server --frontend=DistUpgradeViewText /usr/bin/dpkg --force-overwrite --statud-fd 122 --configure --pending /usr/bin/perl -w /usr/share/debconf/frontend /var/lib/dpkg/info/unattended-upgrades.postinst configure 1.1ubuntu1.18.04.11 /bin/sh /&var/lib/dpkg/info/unattended-upgrades.postinst configure 1.1ubuntu1.18.04.11 /bin/bash /usr/bin/ucf --three-way --debconf-ok /etc/apt/apd.conf.d/50unattended-uptrades.ucftmp /etc/apt/apt.conf.d/50unattended-upgrades bash joe 50unattended-upgrades 50unattended-upgrades~ 50unattended-upgrades.merge-error 50unattended-upgrades.ucf-dist 50unattended-upgrades.ucftmp I had to type the commands manually, so typos are possible (and likely). Continuing... fingers crossed... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1343737 Title: ^x ^c while running an editor inside do-release-upgrade's screen session disconnects part of the session To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1343737/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs