在尝试升级 ( sudo apt-get upgrade) Ubuntu 12.04 时，我有一对软件包会为 dbus 依赖项引发以下 apt-get 安装错误：
dpkg: error processing dbus (--configure):
subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of accountsservice:
accountsservice depends on dbus; however:
Package dbus is not configured yet.
dpkg: error processing accountsservice (--configure):
dependency problems - leaving unconfigured
No apport report written because the error message indicates its a followup error from a previous failure.
Errors were encountered while processing:
dbus
accountsservice
E: …