Package: xserver-xorg-video-dummy Version: 1:0.3.7-1+b3 Severity: normal I tried to install the package, but was unable to: $ sudo apt-get install xserver-xorg-video-dummy Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation:
The following packages have unmet dependencies: xserver-xorg-video-dummy : Depends: xorg-video-abi-18 E: Unable to correct problems, you have held broken packages. However, when I try to install that: $ sudo apt-get install xorg-video-abi-18 Reading package lists... Done Building dependency tree Reading state information... Done Package xorg-video-abi-18 is a virtual package provided by: xserver-xorg-core 2:1.16.4-1 [Not candidate version] E: Package 'xorg-video-abi-18' has no installation candidate Note that I have a newer version of xserver-xorg-core installed: $ sudo dpkg -l xserver-xorg-core Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture Description +++-==============-============-============-================================= ii xserver-xorg-c 2:1.17.2-1+r armhf Xorg X server - core server -- System Information: Distributor ID: Raspbian Description: Raspbian GNU/Linux 8.0 (jessie) Release: 8.0 Codename: jessie Architecture: armv6l Kernel: Linux 4.4.13+ Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system)