Hi David, Yes, it looks like something is very broken with our lucid-32 dependency specification. You are not doing anything wrong. We do not do much testing of 32-bit machines in-house, so nobody caught this problem sooner. I'm digging into it now and will let you know when I find a solution. Sorry for the inconvenience, --Jeremy On Mon, Aug 2, 2010 at 5:15 AM, wrote: > I am pretty new to Linux, and our lab is using ROS, so I thought I would > take the opportunity to learn about Linux and ROS by installing both on my > home computer.  Since I am starting from scratch, I am using Ubuntu 10.04 > and cturtle, since those seem to be the latest of both.  I then began to > follow the instructions listed at > http://www.ros.org/wiki/ROS/Installation/Ubuntu/Deb.  This is what I got: > > ------------------------------START CAPTURE FROM > TERMINAL---------------------------------------------------- > > david@ubuntu:~$ sudo sh -c 'echo "deb > http://code.ros.org/packages/ros/ubuntu lucid main" > > /etc/apt/sources.list.d/ros-latest.list' > [sudo] password for david: > david@ubuntu:~$ wget http://code.ros.org/packages/ros.key -O - | sudo > apt-key add - > --2010-08-01 18:40:09--  http://code.ros.org/packages/ros.key > Resolving code.ros.org... 157.22.19.21 > Connecting to code.ros.org|157.22.19.21|:80... connected. > HTTP request sent, awaiting response... 200 OK > Length: 1162 (1.1K) [application/pgp-keys] > Saving to: `STDOUT' > > 100%[==================================================================================================>] > 1,162       --.-K/s   in 0s > > 2010-08-01 18:40:09 (130 MB/s) - written to stdout [1162/1162] > > OK > > david@ubuntu:~$ sudo apt-get update > Hit http://code.ros.org lucid Release.gpg > Ign http://code.ros.org/packages/ros/ubuntu/ lucid/main Translation-en_US > Hit http://code.ros.org lucid Release > Ign http://code.ros.org lucid/main Packages > Ign http://code.ros.org lucid/main Packages > Hit http://code.ros.org lucid/main Packages > Hit http://archive.ubuntu.com lucid Release.gpg > Ign http://archive.ubuntu.com/ubuntu/ lucid/multiverse Translation-en_US > Ign http://archive.ubuntu.com/ubuntu/ lucid/universe Translation-en_US > Hit http://archive.ubuntu.com lucid Release > Hit http://archive.ubuntu.com lucid/multiverse Packages > Hit http://archive.ubuntu.com lucid/universe Packages > Reading package lists... Done > david@ubuntu:~$ sudo apt-get install ros-cturtle-base > 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: >   ros-cturtle-base: Depends: ros-cturtle-ros (= 1.2.0-22~lucid) but it is > not going to be installed >                     Depends: ros-cturtle-roslisp-support (= 0.2.9-22~lucid) > but it is not going to be installed >                     Depends: ros-cturtle-camera-drivers (= 1.2.0-22~lucid) > but it is not going to be installed >                     Depends: ros-cturtle-common-msgs (= 1.2.0-22~lucid) but > it is not going to be installed >                     Depends: ros-cturtle-common (= 1.2.0-22~lucid) but it is > not going to be installed >                     Depends: ros-cturtle-diagnostics (= 1.2.0-22~lucid) but > it is not going to be installed >                     Depends: ros-cturtle-driver-common (= 1.2.0-22~lucid) > but it is not going to be installed >                     Depends: ros-cturtle-geometry (= 1.2.0-22~lucid) but it > is not going to be installed >                     Depends: ros-cturtle-image-common (= 1.2.0-22~lucid) but > it is not going to be installed >                     Depends: ros-cturtle-image-transport-plugins (= > 0.3.0-22~lucid) but it is not going to be installed >                     Depends: ros-cturtle-image-pipeline (= 1.2.0-22~lucid) > but it is not going to be installed >                     Depends: ros-cturtle-imu-drivers (= 1.2.0-22~lucid) but > it is not going to be installed >                     Depends: ros-cturtle-joystick-drivers-tutorials (= > 1.2.0-22~lucid) but it is not going to be installed >                     Depends: ros-cturtle-joystick-drivers (= 1.2.0-22~lucid) > but it is not going to be installed >                     Depends: ros-cturtle-laser-drivers (= 1.2.0-22~lucid) > but it is not going to be installed >                     Depends: ros-cturtle-laser-pipeline (= 1.0.1-22~lucid) > but it is not going to be installed >                     Depends: ros-cturtle-navigation (= 1.2.1-22~lucid) but > it is not going to be installed >                     Depends: ros-cturtle-physics-ode (= 1.2.0-22~lucid) but > it is not going to be installed >                     Depends: ros-cturtle-robot-model (= 1.2.2-22~lucid) but > it is not going to be installed >                     Depends: ros-cturtle-point-cloud-perception (= > 0.2.1-22~lucid) but it is not going to be installed >                     Depends: ros-cturtle-ros-tutorials (= 0.2.0-22~lucid) > but it is not going to be installed >                     Depends: ros-cturtle-simulator-gazebo (= 1.2.1-22~lucid) > but it is not going to be installed >                     Depends: ros-cturtle-simulator-stage (= 1.2.0-22~lucid) > but it is not going to be installed >                     Depends: ros-cturtle-slam-gmapping (= 1.2.0-22~lucid) > but it is not going to be installed >                     Depends: ros-cturtle-sound-drivers (= 1.2.0-22~lucid) > but it is not going to be installed >                     Depends: ros-cturtle-vision-opencv (= 1.2.3-22~lucid) > but it is not going to be installed >                     Depends: ros-cturtle-visualization-common (= > 1.2.0-22~lucid) but it is not going to be installed >                     Depends: ros-cturtle-visualization (= 1.2.0-22~lucid) > but it is not going to be installed > E: Broken packages > david@ubuntu:~$ > > > ------------------------------END CAPTURE FROM > TERMINAL---------------------------------------------------- > > This seems like a huge amount of dependencies.  Never the less... I started > to work my way through them, but when I got to the circular dependencies of > gcc-4.4 and libgcc-4.4, I had to stop.  What am I doing wrong?  My linux > distro is simply named "ubuntu-10.04-desktop-i386.iso" and update manager > says that it is up-to-date.  Honostly, I am not sure where to look to see > what build I have, or if that is even appropriate.  Anyway, thanks for the > help. > > David Steidley > > > _______________________________________________ > ros-users mailing list > ros-users@code.ros.org > https://code.ros.org/mailman/listinfo/ros-users > >