Have you tried disabling all 3rd party repositories first ? Am 12. April 2012 11:18 schrieb Amrish Purohit <amrish.dis...@gmail.com>:
> Hi, > I installed debian stable kde with live cd > "debian-live-6.0.3-i386-kde-desktop.iso". My PC was not connected with > internet, so after the installation, my source.list file was with only one > line of cd - repository. Then I populated *source.list* with following > repositories because I want to install debian with testing. > > ###### Debian Main Repos > deb http://ftp.us.debian.org/debian/ wheezy main contrib non-free > deb-src http://ftp.us.debian.org/debian/ wheezy main contrib non-free > > ###### Debian Update Repos > deb http://security.debian.org/ wheezy/updates main contrib non-free > deb http://ftp.us.debian.org/debian/ wheezy-proposed-updates main contrib > non-free > deb-src http://security.debian.org/ wheezy/updates main contrib non-free > deb-src http://ftp.us.debian.org/debian/ wheezy-proposed-updates main > contrib non-free > > ############################################################## > ##################### UNOFFICIAL REPOS ###################### > ############################################################## > > ###### 3rd Party Binary Repos > > #### Debian Multimedia - http://www.debian-multimedia.org/ > ## Run this command: apt-get update && apt-get install > debian-multimedia-keyring && apt-get update > deb http://www.debian-multimedia.org testing main non-free > > #### Google Linux Software Repositories - http://www.google.com > ## Run this command: wget -q -O - > https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - > deb http://dl.google.com/linux/deb/ stable non-free main > > #### Skype - http://www.skype.com > ## Run this command: gpg --keyserver pgp.mit.edu --recv-keys 0xd66b746e > && gpg --export --armor 0xd66b746e | apt-key add - > deb http://download.skype.com/linux/repos/debian/ stable non-free > > To convert debian stable in testing, I fired following commands. > apt-get update > apt-get dist-upgrade > But dist-upgrade failed with following error. > "E: Could not perform immediate configuration on 'phonon-backend-vlc'. > Please see man 5 apt.conf under APT::Immediate-Configure for details. (2)" > > Please help to fix this issue. > > Regards > Amrish >