Re: [Discuss-gnuradio] A silly question

[sumitstop]

Thanks Ryan...it worked for the three UHD warnings. Now I shall do something
about

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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
> <address@hidden>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.
>>
>>
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>>
> 
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> 
> 


-----
Sumit Kr.
Research Assistant
Communication Research center
IIIT Hyderabad
India
-- 
View this message in context: 
http://old.nabble.com/A-silly-question-tp34343561p34344165.html
Sent from the GnuRadio mailing list archive at Nabble.com.