Re: [Discuss-gnuradio] Gnuradio locking up

On Tue, Nov 22, 2011 at 12:29 PM, Philip Balister <philip@balister.org> wrote:

On 11/21/2011 10:24 PM, Matt Mills wrote:
> Hello all,
>
> I seem to be having an issue that, after about 30-45 minutes of running
> normally my gnuradio based python app will just lock up. It wont respond to
> control C, it holds all of its existing file handles open but doesnt do
> anything with them, and an strace attach shows only:
> futex(0xb2ff54f4, FUTEX_WAIT_PRIVATE, 1, NULL
>
> I dont really have any experience troubleshooting this type of thing, could
> anyone provide some guidance on what to look for (in gdb I assume)?

Memory leak? Run top in another window and watch the memory usage numbers.

I've seen lockups of this sort when multi-threaded python processes exit.  You might also like to take a look at what each thread is up to in gdb.

 

Mark