You could modify the hosts file on the basestation to include:

10.68.0.1 pr2c1 pr2c1.hsi.gatech.edu
10.68.0.2 pr2c2 pr2c2.hsi.gatech.edu

On Wed, Jul 21, 2010 at 1:00 PM, Hai Nguyen <haidai@gmail.com> wrote:
> That definitely sounds like it would cause this issue.  Is there a way
> around so that the base station can perform remote launches on the
> robot?
>
> On Jul 21, 2010, at 1:58 PM, Ken Conley wrote:
>
>> The implementation of the local machine check is in roslaunch.core:78
>> . It looks up the address for the machine name, then compares that
>> against the IPs for the local machine.
>>
>> - Ken
>>
>> On Tue, Jul 20, 2010 at 2:39 PM, Hai Nguyen <haidai@gmail.com> wrote:
>>> Hi,
>>>
>>> I am unable to launch nodes on the PR2 from the base station but I am
>>> able to launch nodes from the base station to any other computers in
>>> our lab.  In the sample launch file below, if I change
>>> "skynet.hsi.gatech.edu" to "pr2c1.hsi.gatech.edu" then then roslaunch
>>> does not even try to ssh to the PR2 to launch (no messages saying
>>> "creating ssh connection to some.machine.name" in the console).  Is
>>> roslaunch doing some fancy tricks to figure out whether the provided
>>> address is on the same machine?  If so, it seems something like that
>>> might fail on the base station where some of the "local addresses"
>>> are
>>> PR2 VPN tunnels.
>>>
>>> <launch>
>>>  <machine name="mymachine" address="skynet.hsi.gatech.edu"   <!--
>>> does not work if I change this to pr2c1.hsi.gatech.edu or
>>> pr2c2.hsi.gatech.edu -->
>>>           ros-root="/opt/ros/cturtle/ros"
>>>           ros-package-path="/opt/ros/cturtle/stacks:/u/haidai/svn/
>>> wg-ros-pkg:/u/haidai/svn/gt-ros-pkg"
>>> />
>>>
>>>  <node name="r_posture" pkg="teleop_controllers" type="posture.py"
>>> args="r_cart elbowupr" machine="mymachine"/>
>>>  <node name="l_posture" pkg="teleop_controllers" type="posture.py"
>>> args="l_cart elbowupl" machine="mymachine"/>
>>> </launch>
>>>
>>>
>>> --
>>> Hai Nguyen
>>> CS, Robotics
>>> _______________________________________________
>>> ros-users mailing list
>>> ros-users@code.ros.org
>>> https://code.ros.org/mailman/listinfo/ros-users
>>>
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