Also the connector. I have nottice bad performance qhen using usb 3.0
front case connectors.
regards
On 16/05/17 06:49, Neel Pandeya wrote:
> Hello Cristian:
>
> If you use Ubuntu 16.04.2, the kernel is 4.8, which should be fine.
>
> The specific USB controller is also very important. The Intel
> controllers work best. Which controller do you have in your system?
> (run "lspci")
>
> What flow control errors are you seeing? Are there any overruns ("O")
> or underruns ("U") printed on the console?
>
> Did you increase the socket buffer sizes?
>
> https://files.ettus.com/manual/page_transport.html#transport_udp_sockbufs
>
> --Neel Pandeya
>
>
>
> On 15 May 2017 at 17:20, Cristian Rodríguez
> <cristian.rodriguez...@gmail.com
> <mailto:cristian.rodriguez...@gmail.com>> wrote:
>
> HI all.
>
> I was writing to the forum a time ago because i have missed
> packets when i build a simple flow graph in gnu radio and set the
> sample rate over 20Msamples/s.
>
> The conclusion was that i had to review my USB 3.0 drivers but i'm
> working on ubuntu (16.05) and the only way to change the drivers
> is by installing another kernel. I have the newest version then i
> think the way is to install an older version.
>
> What version of kernel could someone recommend me? I need to be
> able to get all the samples from my USRP B210. If someone has
> another suggestion i would be very thankful about it.
>
> Pdta: My computer is fast enough (i7 4710HQ - 12Gb ram). Then it
> is not the problem.
>
> Thanks a lot.
>
> Best regards,
>
> Cristian.
>
>
>
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