On Sat, Apr 7, 2012 at 9:48 AM, Alexandru Csete <oz9...@gmail.com> wrote: > Greetings, > > I'm getting segmentation faults in a C++ application when I restart > the flow graph, i.e by doing: > > tb->start() > ... > tb->stop() > tb->wait() > ... > tb->start() > (crashes) > > Running the application through a debugger suggests it is > volk_32f_s32f_multiply_32f_a_sse which is used by a gr_multiply_ff() > block. I end up with the attached assembly dump with a marker > highlighting line 19. > > I have attached a simple python flow graph, which also crashes for me. > Note that the python code was originally generated by GRC and it used > gr.multiply_const_vff which didn't crash. I manually changed it to > gr.multiply_const_ff to provoke the crash. > > This is happening on Ubuntu 11.04 64 bit and intel i7 processor. I'm > also seeing the message "Using Volk machine: sse4_2_64" when I start > the graph. GNU Radio is built using cmake. > > Alex
What version of GNU Radio are you using? This sounds like a bug that was fixed a little while ago and is not a release version yet (will be in 3.5.3). Tom _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
