package python-serial 2.6-1build1 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 101

[Harry Wild]

The bug prevents me from release-upgrading my server

saw "out of space" while watching the upgrade. there ist enough diskspace. seems to be the inodes which confuses me, because it's a standard image from the provider. couldnt find anything useful via google :(

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: python-serial 2.6-1build1
ProcVersionSignature: Ubuntu 3.2.0-32.51-generic 3.2.30
Uname: Linux 3.2.0-32-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.3
Architecture: amd64
Date: Thu Aug 28 17:11:55 2014
DuplicateSignature: package:python-serial:2.6-1build1:ErrorMessage: subprocess installed post-installation script returned error exit status 101
ErrorMessage: ErrorMessage: subprocess installed post-installation script returned error exit status 101
PackageArchitecture: all
SourcePackage: pyserial
Title: package python-serial 2.6-1build1 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 101
UpgradeStatus: Upgraded to trusty on 2014-08-28 (0 days ago)