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Re: [Discuss-gnuradio] U's and L's when running GNU Radio
From: |
Marcus Müller |
Subject: |
Re: [Discuss-gnuradio] U's and L's when running GNU Radio |
Date: |
Wed, 07 Jan 2015 15:02:02 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0 |
Hello Sylvain, hello Khalid,
these could be underruns (U) and late (L) packets, as reported by UHD,
used via gr-uhd; however, seeing so many L's is a very uncommon pattern;
Do you use timed_commands? What are your RX and TX sampling rates? From
your network throughput, I'd assume your using 4x 3.3MS/s, is that correct?
Could you share the whole output of your program's run, not only the
ULLLL... ?
Best regards,
Marcus
On 01/07/2015 02:47 PM, Sylvain Munaut wrote:
> Hi,
>
>> In the terminal and while using a powerful PC (please see the attachment), I
>> am occasionally getting capital U's and L's when running GNU Radio with one
>> Tx and 4 Rx channels (Here is a sample of what I am getting:
>> ULLLLLLLLLLLLLLLULLLLULLLLLLLLLLLLLLLULLLULLLLLLLLLLLLLLLLLLLLLLLLLLLL).
> I can't find anything in GNURadio itself that would print that.
>
> The only thing it can print AFAICT is aU aO jU
>
> So it must be an OOT block that display those ...
>
> Cheers,
>
> Sylvain
>
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