Re: [Discuss-gnuradio] U's and L's when running GNU Radio

2015-01-12 Thread khalid.el-darymli
Hi Marcus, Hi Sylvain, Thank you for your response. I continue to get these U even on a PC with really high specs. Please find below my answers to your questions. Do you use timed_commands? Yes, I do. In the python script, I simply use get_time_now() to query the times of

Re: [Discuss-gnuradio] U's and L's when running GNU Radio

2015-01-12 Thread Marcus Müller
Hello Khalid, On 01/12/2015 03:18 PM, khalid.el-darymli wrote: Hi Marcus, Hi Sylvain, Thank you for your response. I continue to get these U even on a PC with really high specs. My suspicion is that the ULLL... don't stem from your PC being too slow, but from the fact that

Re: [Discuss-gnuradio] U's and L's when running GNU Radio

2015-01-07 Thread Sylvain Munaut
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: ULLLUULLLULLLU). I

Re: [Discuss-gnuradio] U's and L's when running GNU Radio

2015-01-07 Thread Marcus Müller
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

[Discuss-gnuradio] U's and L's when running GNU Radio

2015-01-05 Thread khalid.el-darymli
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: ULLLUULLLULLLU).