[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Discuss-gnuradio] segfault in volk_32fc_x2_multiply_32fc_a_sse3 usi

From: Nick Foster
Subject: Re: [Discuss-gnuradio] segfault in volk_32fc_x2_multiply_32fc_a_sse3 using current master branch
Date: Wed, 21 Mar 2012 11:08:09 -0700

On Wed, Mar 21, 2012 at 10:57 AM, Ben Reynwar <address@hidden> wrote:
I'm seeing a segfault in volk_32fc_x2_multiply_32fc_a_sse3 and am
using the current master branch.

It occurs when I connect a gr.multiply_cc to a running flowgraph
(using tb.lock() and tb.unlock()).  If the multiply_cc block is
connected before the flowgraph starts running then I don't see a

I have attached:
 - a minimal python script that reproduces the problem for me.
 - the output from gdb (backtrace and disassemble)

OS is 32 bit Ubuntu 11.04 beta.
cpu is Intel(R) Core(TM) i3-2100 CPU @ 3.10GHz

This is an alignment error. The buffer passed to MOVAPS is not 16-byte aligned when the instruction is called.


Discuss-gnuradio mailing list

reply via email to

[Prev in Thread] Current Thread [Next in Thread]