dave@sabre:~$ sudo apt-get install dahdi Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be installed: dahdi-dkms dahdi-linux The following NEW packages will be installed dahdi dahdi-dkms dahdi-linux 0 upgraded, 3 newly installed, 0 to remove and 184 not upgraded. Need to get 1851kB of archives. After this operation, 9314kB of additional disk space will be used. Do you want to continue [Y/n]? y Get: 1 http://gb.archive.ubuntu.com karmic/universe dahdi-linux 1:2.2.0.2~dfsg-1ubuntu1 [83.8kB] Get: 2 http://gb.archive.ubuntu.com karmic/universe dahdi-dkms 1:2.2.0.2~dfsg-1ubuntu1 [1462kB] Get: 3 http://gb.archive.ubuntu.com karmic/universe dahdi 1:2.2.0-1ubuntu1 [305kB] Fetched 1851kB in 4s (398kB/s) Selecting previously deselected package dahdi-linux. (Reading database ... 245069 files and directories currently installed.) Unpacking dahdi-linux (from .../dahdi-linux_1%3a2.2.0.2~dfsg-1ubuntu1_all.deb) ... Selecting previously deselected package dahdi-dkms. Unpacking dahdi-dkms (from .../dahdi-dkms_1%3a2.2.0.2~dfsg-1ubuntu1_all.deb) ... Selecting previously deselected package dahdi. Unpacking dahdi (from .../dahdi_1%3a2.2.0-1ubuntu1_i386.deb) ... Processing triggers for doc-base ... Processing 3 added doc-base file(s)... Registering documents with scrollkeeper... Processing triggers for sreadahead ... Processing triggers for man-db ... Setting up dahdi-linux (1:2.2.0.2~dfsg-1ubuntu1) ... Setting up dahdi-dkms (1:2.2.0.2~dfsg-1ubuntu1) ... Adding group `dahdi' (GID 139) ... Done. Rather than invoking init scripts through /etc/init.d, use the service(8) utility, e.g. service udev reload Adding Module to DKMS build system Error! Could not find module source directory. Directory: /usr/src/dahdi-2.2.0.2~dfsg does not exist. Doing initial module build Error! DKMS tree does not contain: dahdi-2.2.0.2~dfsg Build cannot continue without the proper tree. Installing initial module Error! DKMS tree does not contain: dahdi-2.2.0.2~dfsg Build cannot continue without the proper tree. Done. Setting up dahdi (1:2.2.0-1ubuntu1) ... Loading DAHDI hardware modules: FATAL: Module dahdi not found. dahdi: error dahdi_dummy: error dahdi_transcode: error Error: missing /dev/dahdi! invoke-rc.d: initscript dahdi, action "start" failed. dpkg: error processing dahdi (--configure): subprocess installed post-installation script returned error exit status 1 E: Sub-process /usr/bin/dpkg returned an error code (1)