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From: Neal Becker <ndbecker2@gmail.com>
Subject: Re: gdb unable to read python frame information
Date: Fri, 07 Mar 2014 08:23:20 -0500
References: <0b7f74c8-9c70-4950-b431-6c9bbb3f0058@googlegroups.com> <87mwh2bi1v.fsf@handshake.de>
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Xref: csiph.com comp.lang.python:67996

dieter wrote:

> Wesley <nispray@gmail.com> writes:
> 
>> I wanna use gdb to attach my running python scripts.
>> Successfully import libpython in gdb, but seems all py operations failed to
>> read python information.
>>
>> Here is the snippet:
>> (gdb) python
>>>import libpython
>>>end
>> (gdb) py-bt
>> #3 (unable to read python frame information)
>> #5 (unable to read python frame information)
> 
> The simplest possible interpretation would be that your
> Python lacks debugging symbols. That often happens with
> system installed Python installations (which usually are stripped
> to the bare minimal symbol set - as "normal" users do not need
> debugging).
> 
> Try with a Python that you have generated yourself.

You probably need to install the python-debuginfo package