Hi Michael, Yes indeed, tried till 5000000, still no luck.
Regards
Sumit
On Thu, 27 Jun 2019 at 18:30, Michael Dickens <michael.dick...@ettus.com>
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
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> *[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'
>
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>
>
--
Sumit Kumar
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