On 08/24/2012 06:26 AM, sumitstop wrote: > > Thanks Ryan...it worked for the three UHD warnings. Now I shall do something > about >
http://files.ettus.com/uhd_docs/manual/html/general.html#disabling-or-redirecting-prints-to-stdout Make this one-time call in c++ at the start of your process. -josh > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > linux; GNU C++ version 4.4.3; Boost_104000; UHD_003.004.003-177-g584b7ae2 > > -- Opening a USRP2/N-Series device... > -- Current recv frame size: 1472 bytes > -- Current send frame size: 1472 bytes > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > > Wolfarth, Ryan wrote: >> >> If you execute the following commands you will get rid of those warnings. >> These adjust the maximum read and write buffer sizes allowed that the OS >> is >> allowed to use for network interfaces. See more here: >> http://wwwx.cs.unc.edu/~sparkst/howto/network_tuning.php >> >> sudo sysctl -w net.core.rmem_max=50000000 >> sudo sysctl -w net.core.wmem_max=1048576 >> >> You could add these lines in "/etc/sysctl.conf" if you don't want to type >> those lines every time your system restarts. >> >> Regards, >> Ryan >> >> On Fri, Aug 24, 2012 at 6:41 AM, sumitstop >> <sumit.ku...@research.iiit.ac.in>wrote: >> >>> >>> Hi Community , >>> Whenever we open a UHD device following message appears on the terminal : >>> @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ >>> linux; GNU C++ version 4.4.3; Boost_104000; UHD_003.004.003-177-g584b7ae2 >>> >>> -- Opening a USRP2/N-Series device... >>> -- Current recv frame size: 1472 bytes >>> -- Current send frame size: 1472 bytes >>> >>> UHD Warning: >>> The recv buffer could not be resized sufficiently. >>> Target sock buff size: 50000000 bytes. >>> Actual sock buff size: 1000000 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: 1000000 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: 1000000 bytes. >>> See the transport application notes on buffer resizing. >>> Please run: sudo sysctl -w net.core.wmem_max=1048576 >>> Using Volk machine: sse4_1_32 >>> gain = 35.0 >>> @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ >>> >>> And after that the program continues. I have made my own customized >>> spectrum >>> sensing python script which is controlled by another bash script. I need >>> to >>> make a screencast when the whole process goes, but this much long warning >>> at >>> the beginning of every iteration is kind of irritating. I tried to find >>> form >>> where these are been echoed or printed but no help. >>> >>> If any body know the location of those files kindly help me out. I need >>> to >>> temporarily disable this echo. >>> ** I tried >/dev/null thing but it is suppressing all the required >>> contents >>> also. >>> Thanks :working: >>> >>> >>> ----- >>> Sumit Kr. >>> Research Assistant >>> Communication Research center >>> IIIT Hyderabad >>> India >>> -- >>> View this message in context: >>> http://old.nabble.com/A-silly-question-tp34343561p34343561.html >>> Sent from the GnuRadio mailing list archive at Nabble.com. >>> >>> >>> _______________________________________________ >>> Discuss-gnuradio mailing list >>> Discuss-gnuradio@gnu.org >>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >>> >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> Discuss-gnuradio@gnu.org >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> >> > > > ----- > Sumit Kr. > Research Assistant > Communication Research center > IIIT Hyderabad > India > _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
