I have the same problem, anyone? Vanessa
On Wed, Oct 19, 2011 at 1:35 AM, Sriharsha Puranik <crihar...@gmail.com> 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 > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > -- Vanessa GARDELLIN, Ph.D. Researcher Institute for Informatics and Telematics (IIT), Italian National Research Council (CNR) Via G. Moruzzi 1 56124 Pisa - ITALY Phone: +390503153267 Room: B65/c E-mail: vanessa.gardel...@iit.cnr.it WWW: http://www.iit.cnr.it/staff/vanessa.gardellin/ Skype: gardellin.vanessa _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
