package libpangoxft-1.0-0 1.36.3-1ubuntu1.1 failed to install/upgrade: unable to move aside './usr/share/doc/libpangoxft-1.0-0/copyright' to install new version: Input/output error

server update to 16.04.1

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: libpangoxft-1.0-0 1.36.3-1ubuntu1.1
ProcVersionSignature: Ubuntu 3.13.0-92.139-generic 3.13.11-ckt39
Uname: Linux 3.13.0-92-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.21
Architecture: amd64
Date: Mon Jul 25 16:42:47 2016
DuplicateSignature: package:libpangoxft-1.0-0:1.36.3-1ubuntu1.1:unable to move aside './usr/share/doc/libpangoxft-1.0-0/copyright' to install new version: Input/output error
ErrorMessage: unable to move aside './usr/share/doc/libpangoxft-1.0-0/copyright' to install new version: Input/output error
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.12~ubuntu16.04.1
SourcePackage: pango1.0
Title: package libpangoxft-1.0-0 1.36.3-1ubuntu1.1 failed to install/upgrade: unable to move aside './usr/share/doc/libpangoxft-1.0-0/copyright' to install new version: Input/output error
UpgradeStatus: Upgraded to xenial on 2016-07-25 (0 days ago)