package mariadb-server-10.0 10.0.27-0ubuntu0.16.04.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Salman A. Kamkoriwala]

Not allowing me to install / configure either mariadb or mysql. I am being blocked and nothing is able to update as it gives error of package. even now other update to system has stopped as whenever triying to do that it stops showing this mariadb or mysql error

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: mariadb-server-10.0 10.0.27-0ubuntu0.16.04.1
ProcVersionSignature: Ubuntu 4.4.0-43.63-generic 4.4.21
Uname: Linux 4.4.0-43-generic i686
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: i386
Date: Fri Oct 14 15:01:37 2016
DuplicateSignature:
 package:mariadb-server-10.0:10.0.27-0ubuntu0.16.04.1
 Installing new version of config file /etc/mysql/debian-start ...
 dpkg: error processing package mariadb-server-10.0 (--configure):
  subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2016-10-12 (2 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release i386 (20160719)
Logs.var.log.daemon.log:

ProcCmdline: BOOT_IMAGE=/vmlinuz-4.4.0-43-generic root=UUID=e206049a-4e40-4f50-8eaa-8eed4beae6f5 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.12~ubuntu16.04.1
SourcePackage: mariadb-10.0
Title: package mariadb-server-10.0 10.0.27-0ubuntu0.16.04.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)
modified.conffile..etc.mysql.mariadb.conf.d.50-mysqld_safe.cnf: [deleted]
modified.conffile..etc.mysql.mariadb.conf.d.50-server.cnf: [deleted]

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1628400, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.