This has nothing to do with ROS.  This is what the default signal handler
for SIGILL does; print a message and abort.

-R

On Fri, Jun 18, 2010 at 9:07 AM, Bill Morris <morris@ee.ccny.cuny.edu>wrote:

> std::string foo;
>
> ...
>
> ROS_INFO("Foo: %s",foo);
> $ bin/my_node
> Illegal instruction
>
> This throws an illegal instruction during execution.
>
> ROS_INFO("Foo: %s",foo.c_str());
> Obviously works correctly.
>
> Is it possible to get this to produce a better error message?
>
>
>
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