Re: [Discuss-gnuradio] Segmentation fault in narrowband benchmark_rx.py

[West, Nathan]

> On Wed, Feb 26, 2014 at 11:26 PM, West, Nathan <address@hidden>
> wrote:
>>
>> On Wednesday, February 26, 2014, Tom Rondeau <address@hidden> wrote:
>>>
>>> On Wed, Feb 26, 2014 at 12:01 PM, Manu T S <address@hidden> wrote:
>>> > Hello Everyone,
>>> >
>>> > Not sure if this is already discussed here.
>>> >
>>> > I am facing segmentation fault when running benchmark_rx in narrowband
>>> > examples. It seems like those example used to work fine before, but now
>>> > they
>>> > are having these issues.
>>>
>>>
>>> > Manu T S
>>>
>>>
>>> This could be an issue related to the constellation_receiver QA issue
>>> a few people have seen lately. I can't replicate it on my end, but
>>> Nathan can and is helping to track it down.
>>>
>>> Tom
>>>
>>>
>>
>> That was my first thought as well. At this point we should probably file
>> this in the bug tracker.
>>
>> Manu,
>>
>> Can you send me a backtrace, your processor type, and compiler
>> information?
>>
>> Nathan
>
On Wed, Feb 26, 2014 at 12:33 PM, Manu T S <address@hidden> wrote:
> Hi,
>
> Thanks for the responses.
>
> Output to "lscpu", "cat /proc/cpuinfor", "gcc -v", "python" can be found in
> the link below:
>
> http://home.iitb.ac.in/~manu.ts/cpu-info
>
> I am still figuring out how to get the backtrace.
>
> --
> Manu T S

$ gdb python # this brings up gdb prompt:
(gdb) run benchmark_rx.py -f 900M -m bpsk --rx-gain=25 -r 1M

then it will run, probably crash. then enter
(gdb) bt

Nathan