Ubuntu
update-manager package

  1. Zesty (17.04)
  2. Bug #1607929
  3. Comment #2

Comment 2 for bug 1607929

Revision history for this message
Steve Langasek (vorlon) wrote : Re: package shim-signed 1.17~14.04.1+0.8-0ubuntu2 failed to install/upgrade: subprocess installed post-installation script was killed by signal (Terminated)

The output in your dpkg upgrade log shows:

Processing triggers for shim-signed (1.17~14.04.1+0.8-0ubuntu2) ...
Use of uninitialized value $ret in string eq at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 212, <GEN0> line 22.
Use of uninitialized value $_[1] in join or string at /usr/share/perl5/Debconf/DbDriver/Stack.pm line 111, <GEN0> line 22.
Use of uninitialized value $_[1] in join or string at /usr/share/perl5/Debconf/DbDriver/Stack.pm line 111, <GEN0> line 22.
Use of uninitialized value $ret in string eq at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 212, <GEN0> line 29.
Use of uninitialized value $_[1] in join or string at /usr/share/perl5/Debconf/DbDriver/Stack.pm line 111, <GEN0> line 29.
[...]

This indicates a problem with the debconf prompting code. What program were you running to do the upgrade?