This happens after running *sudo sysctl -w net.core.rmem_max=50000000*
[INFO] [UHD] linux; GNU C++ version 7.4.0; Boost_106501;
UHD_3.15.0.git-1-gf83faf28
[INFO] [USRP2] Opening a USRP2/N-Series device...
[INFO] [USRP2] Current recv frame size: 1472 bytes
[INFO] [USRP2] Current send frame size: 1472 bytes
[WARNING] [UDP] The recv buffer could not be resized sufficiently.
Target sock buff size: 50000000 bytes.
Actual sock buff size: 212992 bytes.
See the transport application notes on buffer resizing.
Please run: sudo sysctl -w net.core.rmem_max=50000000
[WARNING] [UDP] The current recv_buff_size of 212992 is less than the
minimum recommended size of 307200 and may result in dropped packets on
some NICs
[WARNING] [UDP] The recv buffer could not be resized sufficiently.
Target sock buff size: 50000000 bytes.
Actual sock buff size: 212992 bytes.
See the transport application notes on buffer resizing.
Please run: sudo sysctl -w net.core.rmem_max=50000000
[WARNING] [UDP] The current recv_buff_size of 212992 is less than the
minimum recommended size of 307200 and may result in dropped packets on
some NICs
[WARNING] [UDP] The recv buffer could not be resized sufficiently.
Target sock buff size: 2500000 bytes.
Actual sock buff size: 212992 bytes.
See the transport application notes on buffer resizing.
Please run: sudo sysctl -w net.core.rmem_max=2500000
[WARNING] [UDP] The current recv_buff_size of 212992 is less than the
minimum recommended size of 307200 and may result in dropped packets on
some NICs
[WARNING] [UDP] The recv buffer could not be resized sufficiently.
Target sock buff size: 2500000 bytes.
Actual sock buff size: 212992 bytes.
See the transport application notes on buffer resizing.
Please run: sudo sysctl -w net.core.rmem_max=2500000
[WARNING] [UDP] The current recv_buff_size of 212992 is less than the
minimum recommended size of 307200 and may result in dropped packets on
some NICs
[WARNING] [UHD] Unable to set the thread priority. Performance may be
negatively affected.
Please see the general application notes in the manual for instructions.
EnvironmentError: OSError: error in pthread_setschedparam
Traceback (most recent call last):
File "/home/sumit/gradio/src/gr-ieee-80211/examples/wifi_rx.py", line
374, in <module>
main()
File "/home/sumit/gradio/src/gr-ieee-80211/examples/wifi_rx.py", line
362, in main
tb = top_block_cls()
File "/home/sumit/gradio/src/gr-ieee-80211/examples/wifi_rx.py", line
151, in __init__
self.uhd_usrp_source_0.set_auto_dc_offset("", 0)
File
"/home/sumit/gradio/lib/python2.7/dist-packages/gnuradio/uhd/uhd_swig.py",
line 3499, in set_auto_dc_offset
return _uhd_swig.usrp_source_sptr_set_auto_dc_offset(self, enb, chan)
TypeError: in method 'usrp_source_sptr_set_auto_dc_offset', argument 2 of
type 'bool'
On Thu, 27 Jun 2019 at 18:34, sumit kumar <[email protected]> wrote:
> Hi Michael, Yes indeed, tried till 5000000, still no luck.
>
> Regards
> Sumit
>
> On Thu, 27 Jun 2019 at 18:30, Michael Dickens <[email protected]>
> wrote:
>
>> Hi Sumit - Just out of curiosity, have you tried the command the warning
>> asks you to execute?
>> {{{
>> sudo sysctl -w net.core.wmem_max=2500000
>> }}}
>> If not then please try it & see if that helps. - MLD
>>
>> On Thu, Jun 27, 2019, at 12:27 PM, sumit kumar wrote:
>>
>> OS: Ubuntu 18.04
>> Laptop: Dell Latitude 5490
>> GNU Radio : 3.7.13.5
>> UHD : UHD_3.15.0.git-1-gf83faf28
>> SDR: Ettus N200
>>
>> I did a fresh install today using pybombs.
>>
>> Then tried running wifi_rx.grc from gr-ieee-80211 package and flooded
>> with errors. Never seen them before. Bold marked part is coming with all
>> the programs where I am connected to USRP such as uhd_fft while the rest
>> happens with wifi_rx.grc (this is what I have observed so far).
>>
>> However, all the programs are working flawlessly with older version.
>>
>> Any tips to solve it.
>>
>> Regards
>> Sumit
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> *[INFO] [UHD] linux; GNU C++ version 7.4.0; Boost_106501;
>> UHD_3.15.0.git-1-gf83faf28[INFO] [USRP2] Opening a USRP2/N-Series
>> device...[INFO] [USRP2] Current recv frame size: 1472 bytes[INFO] [USRP2]
>> Current send frame size: 1472 bytes[WARNING] [UDP] The send buffer could
>> not be resized sufficiently.Target sock buff size: 2500000 bytes.Actual
>> sock buff size: 212992 bytes.See the transport application notes on buffer
>> resizing.Please run: sudo sysctl -w net.core.wmem_max=2500000[WARNING]
>> [UDP] The current send_buff_size of 212992 is less than the minimum
>> recommended size of 307200 and may result in dropped packets on some
>> NICs[WARNING] [UDP] The send buffer could not be resized
>> sufficiently.Target sock buff size: 2500000 bytes.Actual sock buff size:
>> 212992 bytes.See the transport application notes on buffer resizing.Please
>> run: sudo sysctl -w net.core.wmem_max=2500000[WARNING] [UDP] The current
>> send_buff_size of 212992 is less than the minimum recommended size of
>> 307200 and may result in dropped packets on some NICs[WARNING] [UDP] The
>> send buffer could not be resized sufficiently.Target sock buff size:
>> 1048576 bytes.Actual sock buff size: 212992 bytes.See the transport
>> application notes on buffer resizing.Please run: sudo sysctl -w
>> net.core.wmem_max=1048576[WARNING] [UDP] The current send_buff_size of
>> 212992 is less than the minimum recommended size of 307200 and may result
>> in dropped packets on some NICs[WARNING] [UDP] The send buffer could not be
>> resized sufficiently.Target sock buff size: 2500000 bytes.Actual sock buff
>> size: 212992 bytes.See the transport application notes on buffer
>> resizing.Please run: sudo sysctl -w net.core.wmem_max=2500000[WARNING]
>> [UDP] The current send_buff_size of 212992 is less than the minimum
>> recommended size of 307200 and may result in dropped packets on some
>> NICs[WARNING] [UHD] Unable to set the thread priority. Performance may be
>> negatively affected.Please see the general application notes in the manual
>> for instructions.EnvironmentError: OSError: error in pthread_setschedparam*
>>
>> Traceback (most recent call last):
>> File "/home/sumit/gradio/src/gr-ieee-80211/examples/wifi_rx.py", line
>> 374, in <module>
>> main()
>> File "/home/sumit/gradio/src/gr-ieee-80211/examples/wifi_rx.py", line
>> 362, in main
>> tb = top_block_cls()
>> File "/home/sumit/gradio/src/gr-ieee-80211/examples/wifi_rx.py", line
>> 151, in __init__
>> self.uhd_usrp_source_0.set_auto_dc_offset("false", 0)
>> File
>> "/home/sumit/gradio/lib/python2.7/dist-packages/gnuradio/uhd/uhd_swig.py",
>> line 3499, in set_auto_dc_offset
>> return _uhd_swig.usrp_source_sptr_set_auto_dc_offset(self, enb, chan)
>> TypeError: in method 'usrp_source_sptr_set_auto_dc_offset', argument 2 of
>> type 'bool'
>>
>> _______________________________________________
>> Discuss-gnuradio mailing list
>> [email protected]
>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>>
>>
>>
>
> --
> Sumit Kumar
>
>
>
--
Sumit Kumar
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