Comment 20 for bug 1977493

└─$ sudo apt --fix-broken install
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Correcting dependencies... Done
The following additional packages will be installed:
  libpam-modules
The following packages will be upgraded:
  libpam-modules
1 upgraded, 0 newly installed, 0 to remove and 42 not upgraded.
Need to get 0 B/280 kB of archives.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] Y
debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
dpkg: warning: files list file for package 'libpaper1:amd64' missing; assuming package has no files currently inst
alled
(Reading database ... 272799 files and directories currently installed.)
Preparing to unpack .../libpam-modules_1.4.0-11ubuntu2.1_amd64.deb ...
debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unava
ilable
dpkg: error processing archive /var/cache/apt/archives/libpam-modules_1.4.0-11ubuntu2.1_amd64.deb (--unpack):
 new libpam-modules:amd64 package pre-installation script subprocess returned error exit status 1
Errors were encountered while processing:
 /var/cache/apt/archives/libpam-modules_1.4.0-11ubuntu2.1_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)