package mysql-server-5.7 5.7.12-0ubuntu1.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[[e-mail]]

dpkg: dependency problems prevent configuration of mysql-server:
 mysql-server depends on mysql-server-5.7; however:
  Package mysql-server-5.7 is not configured yet

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: mysql-server-5.7 5.7.12-0ubuntu1.1
ProcVersionSignature: Ubuntu 4.4.0-24.43-generic 4.4.10
Uname: Linux 4.4.0-24-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
Date: Wed Jun 22 14:44:12 2016
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2016-01-08 (166 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
Logs.var.log.daemon.log:

ProcCmdline: BOOT_IMAGE=/boot/vmlinuz-4.4.0-24-generic root=UUID=6c64d0bd-fbbb-438c-bedd-aaf072c4eae8 ro quiet splash elevator=cfq
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.12~ubuntu16.04.1
SourcePackage: mysql-5.7
Title: package mysql-server-5.7 5.7.12-0ubuntu1.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)

[Lars Tangvald (lars-tangvald)]

It looks like incomplete cleanup of previous mysql variant packages is causing it to fail because /etc/mysql/my.cnf.fallback is not present.

Could you try running «touch /etc/mysql/my.cnf.fallback» then «apt-get -f install» and see if that clears up the problem?

[Launchpad Janitor (janitor)]

[Expired for mysql-5.7 (Ubuntu) because there has been no activity for 60 days.]