Re: [Discuss-gnuradio] gdb help

[Eric Blossom]

On Thu, Jan 08, 2009 at 10:17:31AM +0200, Sebastiaan Heunis wrote:
> Hi
> 
> I'm trying to debug an application using gdb.  I used the segment of
> code in the how to write your own blocks page to print out the process
> id and attach gdb to it.  When I try to set breakpoints, I get a
> message saying
> 
> No line 110 in file ''../Modules/python.c''


> Also, when I run the Python app, gdb tells me that the program has
> been started already.

It has already started, you used the "attach" command to attach to a
running program :-)  Tell it to continue with the "c" command.

When it segfaults get a backtrace using

bt

  or

thread apply all bt


> And and asks if it should start the program
> from the beginning.  Choosing yes causes gdb to run the Python
> interpreter itself.  Choosing no doesn't do anything.
> 
> Can anyone please help me with this?
> Thank you in advance.
> 
> Sebastiaan

gdb has a nice manual...

Eric