lazarus:/etc/apt# apt-get install blackbox
Reading package lists... Done
Building dependency tree
Reading state information... Done
blackbox is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
2 not fully installed or removed.
Need to get 0B of archives.
After unpacking 0B of additional disk space will be used.
Setting up xserver-xorg (1:7.3+3) ...
dpkg: error processing xserver-xorg (--configure):
 subprocess post-installation script returned error exit status 10
dpkg: dependency problems prevent configuration of xorg:
 xorg depends on xserver-xorg; however:
  Package xserver-xorg is not configured yet.
dpkg: error processing xorg (--configure):
 dependency problems - leaving unconfigured
Errors were encountered while processing:
 xserver-xorg
 xorg
E: Sub-process /usr/bin/dpkg returned an error code (1)
lazarus:/etc/apt# xserver-org
-su: xserver-org: command not found
lazarus:/etc/apt#