I've filed a ticket here:

https://code.ros.org/trac/ros/ticket/3182

Thanks for the report.

 - Ken

On Tue, Dec 7, 2010 at 3:25 PM, Mike Vande Weghe <vandeweg@cmu.edu> wrote:
> We have two instances of the node "owd" running in different namespaces,
> one called "/left/owd" and one called "/right/owd".  This is a great
> setup for us because we can just include a common launch file in two
> different namespace declarations, and nothing has to change in the
> low-level node launch lines.
>
> The problem I'm seeing, though, is that both nodes seem to send their
> rosconsole output to the file owd-1.log.  Is there any way to get around
> this and have distinct log files for each, even if the node names are
> the same?  It seems like either the namespace should be part of the file
> names, or the master should assign the numbered suffixes so that they
> are guaranteed to be unique.
>
> Thanks,
>
>  Mike
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