我们再次出现，由于未知原因出现更多依赖问题：这次安装Pulseaudio在Debian 8.6 Jessie.
输出
The following packages have unmet dependencies:
pulseaudio : Depends: libpulse0 (= 5.0-13) but 7.1-2~bpo8+1 is to be installed
Depends: pulseaudio-utils but it is not going to be installed
Recommends: pulseaudio-module-x11 but it is not going to be installed
Recommends: rtkit but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
来源
deb http://ftp.ca.debian.org/debian/ jessie main contrib non-free
deb-src http://ftp.ca.debian.org/debian/ jessie main contrib non-free
deb http://security.debian.org/ jessie/updates main contrib non-free
deb-src http://security.debian.org/ jessie/updates main contrib non-free
deb http://ftp.ca.debian.org/debian/ jessie-updates main contrib non-free
deb-src http://ftp.ca.debian.org/debian/ jessie-updates main contrib non-free
deb http://ftp.ca.debian.org/debian/ jessie-backports main contrib non-free
APT-缓存策略
Package files:
100 /var/lib/dpkg/status
release a=now
500 http://repository.spotify.com/ stable/non-free amd64 Packages
release v=0.4,o=Spotify LTD,a=stable,n=stable,l=Spotify Public Repository,c=non-free
origin repository.spotify.com
500 http://ftp.ca.debian.org/debian/ jessie-backports/non-free Translation-en
500 http://ftp.ca.debian.org/debian/ jessie-backports/main Translation-en
500 http://ftp.ca.debian.org/debian/ jessie-backports/contrib Translation-en
100 http://ftp.ca.debian.org/debian/ jessie-backports/non-free amd64 Packages
release o=Debian Backports,a=jessie-backports,n=jessie-backports,l=Debian Backports,c=non-free
origin ftp.ca.debian.org
100 http://ftp.ca.debian.org/debian/ jessie-backports/contrib amd64 Packages
release o=Debian Backports,a=jessie-backports,n=jessie-backports,l=Debian Backports,c=contrib
origin ftp.ca.debian.org
100 http://ftp.ca.debian.org/debian/ jessie-backports/main amd64 Packages
release o=Debian Backports,a=jessie-backports,n=jessie-backports,l=Debian Backports,c=main
origin ftp.ca.debian.org
500 http://ftp.ca.debian.org/debian/ jessie-updates/non-free Translation-en
500 http://ftp.ca.debian.org/debian/ jessie-updates/main Translation-en
500 http://ftp.ca.debian.org/debian/ jessie-updates/contrib Translation-en
500 http://ftp.ca.debian.org/debian/ jessie-updates/non-free amd64 Packages
release o=Debian,a=stable-updates,n=jessie-updates,l=Debian,c=non-free
origin ftp.ca.debian.org
500 http://ftp.ca.debian.org/debian/ jessie-updates/contrib amd64 Packages
release o=Debian,a=stable-updates,n=jessie-updates,l=Debian,c=contrib
origin ftp.ca.debian.org
500 http://ftp.ca.debian.org/debian/ jessie-updates/main amd64 Packages
release o=Debian,a=stable-updates,n=jessie-updates,l=Debian,c=main
origin ftp.ca.debian.org
500 http://security.debian.org/ jessie/updates/non-free Translation-en
500 http://security.debian.org/ jessie/updates/main Translation-en
500 http://security.debian.org/ jessie/updates/contrib Translation-en
500 http://security.debian.org/ jessie/updates/non-free amd64 Packages
release v=8,o=Debian,a=stable,n=jessie,l=Debian-Security,c=non-free
origin security.debian.org
500 http://security.debian.org/ jessie/updates/contrib amd64 Packages
release v=8,o=Debian,a=stable,n=jessie,l=Debian-Security,c=contrib
origin security.debian.org
500 http://security.debian.org/ jessie/updates/main amd64 Packages
release v=8,o=Debian,a=stable,n=jessie,l=Debian-Security,c=main
origin security.debian.org
500 http://ftp.ca.debian.org/debian/ jessie/non-free Translation-en
500 http://ftp.ca.debian.org/debian/ jessie/main Translation-en
500 http://ftp.ca.debian.org/debian/ jessie/contrib Translation-en
500 http://ftp.ca.debian.org/debian/ jessie/non-free amd64 Packages
release v=8.6,o=Debian,a=stable,n=jessie,l=Debian,c=non-free
origin ftp.ca.debian.org
500 http://ftp.ca.debian.org/debian/ jessie/contrib amd64 Packages
release v=8.6,o=Debian,a=stable,n=jessie,l=Debian,c=contrib
origin ftp.ca.debian.org
500 http://ftp.ca.debian.org/debian/ jessie/main amd64 Packages
release v=8.6,o=Debian,a=stable,n=jessie,l=Debian,c=main
origin ftp.ca.debian.org
Pinned packages:
答案1
由于某种原因，从向后移植中apt进行选择libpulse0，因此您需要pulseaudio从那里安装所有内容（如建议的那样）GAD3R）：
apt-get -t jessie-backports install pulseaudio
您的引脚首选项似乎没问题，以这种方式安装软件包应该不会产生任何不利影响。
答案2
software-properties-gtk
选择从主服务器下载
apt update && apt-dist-upgrade
然后再试一次