Comment 40 for bug 349469

update-alternatives: using /usr/bin/lupdate-qt4 to provide /usr/bin/lupdate (lupdate) in auto mode.
update-alternatives: using /usr/bin/lrelease-qt4 to provide /usr/bin/lrelease (lrelease) in auto mode.
Setting up qt4-qmake (4:4.8.1-0ubuntu4.1) ...
update-alternatives: using /usr/bin/qmake-qt4 to provide /usr/bin/qmake (qmake) in auto mode.
Setting up libqt4-dev (4:4.8.1-0ubuntu4.1) ...
update-alternatives: using /usr/bin/moc-qt4 to provide /usr/bin/moc (moc) in auto mode.
update-alternatives: using /usr/bin/uic-qt4 to provide /usr/bin/uic (uic) in auto mode.
update-alternatives: warning: skip creation of /usr/share/man/man1/uic.1.gz because associated file /usr/share/man/man1/uic-qt4.1.gz (of link group uic) doesn't exist.
Setting up phonon-backend-null (4:4.7.0really4.6.0-0ubuntu1) ...
debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
dpkg: error processing phonon-backend-null (--configure):
 subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of libphonon-dev:
 libphonon-dev depends on phonon-backend-null | phonon; however:
  Package phonon-backend-null is not configured yet.
  Package phonon is not installed.
dpkg: error processing libphonon-dev (--configure):
 dependency problems - leaving unconfigured
Setting up libqt4-opengl-dev (4:4.8.1-0ubuntu4.1) ...
No apport report written because the error message indicates its a followup error from a previous failure.
                          Setting up libqtwebkit-dev (2.2.1-1ubuntu4) ...
Setting up libx11-doc (2:1.4.99.1-0ubuntu2) ...
Setting up libxi-dev (2:1.6.0-0ubuntu2) ...
Setting up x11proto-record-dev (1.14.1-2) ...
Setting up libxtst-dev (2:1.2.0-4) ...
Processing triggers for libc-bin ...
ldconfig deferred processing now taking place
>>>>>>>>>>>>>>>>>>>Errors were encountered while processing:
>>>>>>>>>>>>>>>>>>> man-db
>>>>>>>>>>>>>>>>>>>phonon-backend-null
>>>>>>>>>>>>>>>>>>> libphonon-dev
>>>>>>>>>>>>>>>>>>>E: Sub-process /usr/bin/dpkg returned an error code (1)

what is the error and how to fix it? Please help! :(