Hi Jon,
Can you clarify a little bit more about what you mean about conflicting dependencies? The only known issues have been related to upstream debian packages we depend upon which have changed.
Also if you are on shadow-fixed this is possible as we sometimes roll back releases in that repo.
And as Mike mentioned dist-upgrade is required if there are new dependencies added.
I don't know of anything in the ROS release system itself has nothing inherently causing conflicts except that it's very active with a large user base making many releases.
If you have some examples we can take a closer look at what caused them.
Tully
I've sometimes had issues like this which are resolvable with a dist-upgrade— that seems most reliable for getting the system to an overall known state.On 23 May 2014 11:50, Jonathan Bohren <jonathan.bohren@gmail.com> wrote:_______________________________________________I've noticed over the last year or so that if someone goes a few weeks or months without upgrading their installed debian packages on ubuntu that they run into problems with conflicting dependencies. Is this a known problem and if so, is it caused by anything particular with the ROS release infrastructure?-j--
Jonathan Bohren
Laboratory for Computational Sensing and Robotics
http://dscl.lcsr.jhu.edu/People/JonathanBohren
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