make a new VM (32-bit CPU, 512 MB RAM, 4.5 GB disk, network acces) install from the Live CD (ubuntu-8.04-desktop-emc2-aj13-i386.iso) seb@linuxcnc-livecd-fresh-install:~$ dpkg -l '*emc2*' '*firmware*' Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Installed/Config-f/Unpacked/Failed-cfg/Half-inst/t-aWait/T-pend |/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err: uppercase=bad) ||/ Name Version Description +++-==============-==============-============================================ un avm-fritz-firm (no description available) un bluez-firmware (no description available) ii emc2 1:2.3.0 PC based motion controller for real-time Lin un emc2-axis (no description available) ii emc2-firmware 1:2.3.0 All separately-packaged firmware used by EMC ii emc2-firmware- 1:2.3.0 HostMot2 firmware images for the Mesa 4i65 ii emc2-firmware- 1:2.3.0 HostMot2 firmware images for the Mesa 4i68 ii emc2-firmware- 1:2.3.0 HostMot2 firmware images for the Mesa 5i20 ii emc2-firmware- 1:2.3.0 HostMot2 firmware images for the Mesa 5i22 ii emc2-firmware- 1:2.3.0 HostMot2 firmware images for the Mesa 5i23 ii emc2-firmware- 1:2.3.0 HostMot2 firmware images for the Mesa 7i43 sudo apt-get update && sudo apt-get -uV dist-upgrade (upgrades everything, including upgrading emc2 & the firmwares to 2.3.5) seb@linuxcnc-livecd-fresh-install:~$ dpkg -l '*emc2*' '*firmware*' Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Installed/Config-f/Unpacked/Failed-cfg/Half-inst/t-aWait/T-pend |/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err: uppercase=bad) ||/ Name Version Description +++-=================================-=================================-===================================================== un avm-fritz-firmware-2.6.24-16 (no description available) un bluez-firmware (no description available) ii emc2 1:2.3.5 PC based motion controller for real-time Linux. un emc2-axis (no description available) ii emc2-firmware 1:2.3.5 All separately-packaged firmware used by EMC2 ii emc2-firmware-mesa-4i65-hostmot2 1:2.3.5 HostMot2 firmware images for the Mesa 4i65 ii emc2-firmware-mesa-4i68-hostmot2 1:2.3.5 HostMot2 firmware images for the Mesa 4i68 ii emc2-firmware-mesa-5i20-hostmot2 1:2.3.5 HostMot2 firmware images for the Mesa 5i20 ii emc2-firmware-mesa-5i22-hostmot2 1:2.3.5 HostMot2 firmware images for the Mesa 5i22 ii emc2-firmware-mesa-5i23-hostmot2 1:2.3.5 HostMot2 firmware images for the Mesa 5i23 ii emc2-firmware-mesa-7i43-hostmot2 1:2.3.5 HostMot2 firmware images for the Mesa 7i43 add the buildbot deb archive to /etc/apt/sources.list.d/emc2-buildbot.list deb http://emc2-buildbot.colorado.edu/~buildmaster hardy v2.4_branch-rt deb-src http://emc2-buildbot.colorado.edu/~buildmaster hardy v2.4_branch-rt upgrade to emc2 2.4: System->Administration->Synaptic click on "Reload" click on "Mark all upgrades" (accept emc2 even though its unauthenticated) click on "Apply" (accept emc2 even though its unauthenticated) Worked perfectly: seb@linuxcnc-livecd-fresh-install:~$ dpkg -l '*emc2*' '*firmware*' Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Installed/Config-f/Unpacked/Failed-cfg/Half-inst/t-aWait/T-pend |/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err: uppercase=bad) ||/ Name Version Description +++-=================================-=================================-================================================ un avm-fritz-firmware-2.6.24-16 (no description available) un bluez-firmware (no description available) ii emc2 1:2.4.0~pre1-51-gc6b83f3 PC based motion controller for real-time Linux un emc2-axis (no description available) ii emc2-firmware 1:2.3.5 All separately-packaged firmware used by EMC2 ii emc2-firmware-mesa-4i65-hostmot2 1:2.3.5 HostMot2 firmware images for the Mesa 4i65 ii emc2-firmware-mesa-4i68-hostmot2 1:2.3.5 HostMot2 firmware images for the Mesa 4i68 ii emc2-firmware-mesa-5i20-hostmot2 1:2.3.5 HostMot2 firmware images for the Mesa 5i20 ii emc2-firmware-mesa-5i22-hostmot2 1:2.3.5 HostMot2 firmware images for the Mesa 5i22 ii emc2-firmware-mesa-5i23-hostmot2 1:2.3.5 HostMot2 firmware images for the Mesa 5i23 ii emc2-firmware-mesa-7i43-hostmot2 1:2.3.5 HostMot2 firmware images for the Mesa 7i43 un hostmot2-firmware (no description available)