Re: [Discuss-gnuradio] Gnuradio locking up

On Tue, Nov 22, 2011 at 10:21 PM, Matt Mills <mmills@2bn.net> wrote:

On Tue, Nov 22, 2011 at 11:28 AM, Philip Balister <philip@balister.org> wrote:

You can use the single threaded scheduler by setting an environment
variable:

export GR_SCHEDULER=STS

Gave this a shot; app runs for a while (at 100% CPU with quite a few overruns) then segfaults...
[20077.594080] python[16760]: segfault at 8 ip b7478dc4 sp a862c09c error 6 in libc-2.11.1.so[b741c000+153000]
and
[21548.361453] python[15672]: segfault at 0 ip b74b9330 sp a9b6f0e0 error 4 in libc-2.11.1.so[b745a000+153000]

Since it's a segfault, I just added this to the FAQ on the wiki to explain how to get more information:

http://gnuradio.org/redmine/projects/gnuradio/wiki/FAQ#How-do-I-debug-GNU-Radio-in-Python

Post the output of the backtrace to help us find out what's going wrong.

Tom