Re: [Discuss-gnuradio] Segmentation Fault

[Vanessa Gardellin]

I have the same problem, anyone?

Vanessa

On Wed, Oct 19, 2011 at 1:35 AM, Sriharsha Puranik <address@hidden> wrote:
> Hi all,
> I am facing "Segmentation Fault" error.
> My setup is - Ubuntu 11.04, USRP2 with WBX board, gnuradio.
> The scenario is - When I run uhd_fft.py, I get the following -
> (gdb) run /usr/local/bin/uhd_fft.py
> Starting program: /usr/bin/python /usr/local/bin/uhd_fft.py
> [Thread debugging using libthread_db enabled]
> linux; GNU C++ version 4.5.2; Boost_103700; UHD_003.003.000-25f0bd5
> [New Thread 0x7fffe1adf700 (LWP 26034)]
> [New Thread 0x7fffe12de700 (LWP 26035)]
> usrp_source make
> Making
> -- Opening a USRP2/N-Series device...
> [New Thread 0x7fffe0add700 (LWP 26036)]
> UHD Warning:
>     The recv buffer could not be resized sufficiently.
>     Target sock buff size: 50000000 bytes.
>     Actual sock buff size: 131071 bytes.
>     See the transport application notes on buffer resizing.
>     Please run: sudo sysctl -w net.core.rmem_max=50000000
> UHD Warning:
>     The recv buffer could not be resized sufficiently.
>     Target sock buff size: 50000000 bytes.
>     Actual sock buff size: 131071 bytes.
>     See the transport application notes on buffer resizing.
>     Please run: sudo sysctl -w net.core.rmem_max=50000000
> UHD Warning:
>     The send buffer could not be resized sufficiently.
>     Target sock buff size: 1048576 bytes.
>     Actual sock buff size: 131071 bytes.
>     See the transport application notes on buffer resizing.
>     Please run: sudo sysctl -w net.core.wmem_max=1048576
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 0x7fffe0add700 (LWP 26036)]
> 0x00007ffff57d6973 in std::_Rb_tree_increment(std::_Rb_tree_node_base*) ()
>    from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
> (gdb) backtrace
> #0  0x00007ffff57d6973 in std::_Rb_tree_increment(std::_Rb_tree_node_base*)
> ()
>    from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
> #1  0x00007ffff419bc68 in tls_destructor ()
>    from /usr/lib/libboost_thread.so.1.42.0
> #2  0x00007ffff419e177 in thread_proxy ()
>    from /usr/lib/libboost_thread.so.1.42.0
> #3  0x00007ffff7bc4d8c in start_thread ()
>    from /lib/x86_64-linux-gnu/libpthread.so.0
> #4  0x00007ffff6a8a04d in clone () from /lib/x86_64-linux-gnu/libc.so.6
> #5  0x0000000000000000 in ?? ()
> (gdb)
>
> The UHD logs file has been attached with the mail.
> Also, USRP1 with uhd_fft.py is working fine. USRP2 works fine if there is no
> UI involved (that is - /usr/local/share/uhd/examples/rx_ascii_art_dft
>  --freq 900e6 --rate 1e6 --dyn-rng 120 works fine).
> Can some one please take a look at this problem?
> Thanks,
> Sriharsha Puranik.
>
> _______________________________________________
> Discuss-gnuradio mailing list
> address@hidden
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>
>



-- 
Vanessa GARDELLIN, Ph.D.
Researcher
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