On 10/17/2019 12:29 PM, Nate Temple via USRP-users wrote:
Hi Wangpan,
You had contacted us directly via supp...@ettus.com
<mailto:supp...@ettus.com> on this same issue, let's continue to debug
through that channel and when the issue is resolved, I can update the
mailing list with the result.
Regards,
Nate Temple
I'll just make a quick comment that in the first instance, the sample
rate is not an integer fraction of the clock rate, and in
the 2nd instance, the tune frequency is out-of-spec for the N310.
On Thu, Oct 17, 2019 at 4:55 AM 王盼 via USRP-users
<usrp-users@lists.ettus.com <mailto:usrp-users@lists.ettus.com>> wrote:
Hello：
I got two n310s。I set up them follow the guide in
http://kb.ettus.com。I can run
“uhd_find_devices”and“uhd_usrp_probe”correctly。Then I want to
test them use the uhd/examples。I have seveal problems.
(1)One n310 can not run
"benchmark_rate"and"rx_samples_to_file"correctly. I have tyied
seveal times, but got diffrent errors,and I dont know what is the
problem.The file "benchmark_rate.log" is the log when i run
"benchmark_rate","rx_samples_to_file_first_time.log"is the log of
my fist time run
"rx_samples_to_file","rx_samples_to_file_second_time.log" is the
second time.
*[WARNING] [CORES] Timer loopback test failed!*
*[WARNING] [CORES] Expecting clock rate: 122.88 MHz*
*Approximate clock rate: 0 MHz*
* is the reason? *
(2) The other n310 run
"benchmark_rate"and"rx_samples_to_file"correctly, but can not run
"txrx_loopback_to_file",but I got error:
*Please run: sudo sysctl -w net.core.wmem_max=6250000*
*Checking TX: all_los: unlocked ...*
*Error: AssertionError: lo_locked.to_bool()*
* in int _main(int, char**)*
* at
/home/workarea-uhd/uhd/host/examples/txrx_loopback_to_file.cpp:471*
the cmd is:
./txrx_loopback_to_file \
--tx-args "type=n3xx,addr=192.168.10.2,master_clock_rate=125e6" \
--rx-args "type=n3xx,addr=192.168.10.2,master_clock_rate=125e6" \
--file 73_n310_1_const_short.dat \
--rx-rate 3.84e6 \
--tx-rate 3.84e6 \
--tx-freq 2400000 \
--rx-freq 2400000 \
--tx-gain 40 \
--rx-gain 40 \
--tx-subdev "A:0" \
--rx-subdev "A:0" \
--tx-channels "0" \
--rx-channels "0"
./txrx_loopback_to_file \
--tx-args
"type=n3xx,mgmt_addr=192.168.10.2,addr=192.168.10.2,master_clock_rate=125e6"
\
--rx-args
"type=n3xx,mgmt_addr=192.168.10.2,addr=192.168.10.2,master_clock_rate=125e6"
\
--file 73_n310_4_const_short.dat \
--rx-rate 1250000 \
--tx-rate 1250000 \
--tx-freq 2400000 \
--rx-freq 2400000 \
--tx-gain 40 \
--rx-gain 40 \
--tx-bw 1000000 \
--rx-bw 1000000 \
--tx-subdev "A:0 A:1 B:0 B:1" \
--rx-subdev "A:0 A:1 B:0 B:1" \
--tx-channels "0,1,2,3" \
--rx-channels "0,1,2,3"
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