Hello,
We lately bought 2 new NUC devices (a NUC7i7BNH and a NUC6i7KYK), installed
Debian 9 on it and tested Gnuradio on it. At first we installed via
apt-get. We saw some drops in the gnuradio-companion and had issue with
setting the real-time priority, so we removed it from the system and
installed it again with pybombs.
However, no difference. Today tested it again with UHD provided benchmark
example (for easy reference). Saw occasional drops with Sps from 1e6 to
10e6. Thought it might be a network driver issue, updated the Intel network
driver with the latest(?) e1000e driver. Still no difference.
Any ideas, can we fix this somehow?
Thank you
Meelis
Additional information is in the file attached, but most important system
parameters:
#system
Linux 4.9.0-3-amd64 #1 SMP Debian 4.9.30-2+deb9u3 (2017-08-06)
#Network driver
00:1f.6 Ethernet controller: Intel Corporation Ethernet Connection (2)
I219-LM (rev 31)
filename: /lib/modules/4.9.0-3-amd64/updates/drivers/net/ethernet/
intel/e1000e/e1000e.ko
version: 3.3.5.10-NAPI
$ ./benchmark_rate --rx_rate 10e6 --duration 300
[INFO] [UHDlinux; GNU C++ version 6.3.0 20170516; Boost_106200;
UHD_3.11.0.git-181-g8f9f4184]
#system
Linux 4.9.0-3-amd64 #1 SMP Debian 4.9.30-2+deb9u3 (2017-08-06)
#Network driver
00:1f.6 Ethernet controller: Intel Corporation Ethernet Connection (2) I219-LM
(rev 31)
filename:
/lib/modules/4.9.0-3-amd64/updates/drivers/net/ethernet/intel/e1000e/e1000e.ko
version: 3.3.5.10-NAPI
$ ./benchmark_rate --rx_rate 10e6 --duration 300
[INFO] [UHDlinux; GNU C++ version 6.3.0 20170516; Boost_106200;
UHD_3.11.0.git-181-g8f9f4184]
Creating the usrp device with: ...
[INFO] [USRP2] Opening a USRP2/N-Series device...
[INFO] [USRP2] Current recv frame size: 1472 bytes
[INFO] [USRP2] Current send frame size: 1472 bytes
[INFO] [USRP2] Detecting internal GPSDO....
[INFO] [GPS] Found an internal GPSDO: Jackson-Labs, FireFly , Firmware Rev 0.929
[INFO] [USRP2] Setting references to the internal GPSDO
Using Device: Single USRP:
Device: USRP2 / N-Series Device
Mboard 0: N210r4
RX Channel: 0
RX DSP: 0
RX Dboard: A
RX Subdev: WBXv4 RX+GDB
TX Channel: 0
TX DSP: 0
TX Dboard: A
TX Subdev: WBXv4 TX+GDB
Setting device timestamp to 0...
Testing receive rate 10.000000 Msps on 1 channels
DDDDDD
Benchmark rate summary:
Num received samples: 2999989326
Num dropped samples: 2178
Num overflows detected: 0
Num transmitted samples: 0
Num sequence errors: 0
Num underflows detected: 0
Num late commands: 0
Num timeouts: 0
Done!
$ ./benchmark_rate --rx_rate 10e6 --duration 180
[INFO] [UHDlinux; GNU C++ version 6.3.0 20170516; Boost_106200;
UHD_3.11.0.git-181-g8f9f4184]
Creating the usrp device with: ...
[INFO] [USRP2] Opening a USRP2/N-Series device...
[INFO] [USRP2] Current recv frame size: 1472 bytes
[INFO] [USRP2] Current send frame size: 1472 bytes
[INFO] [USRP2] Detecting internal GPSDO....
[INFO] [GPS] Found an internal GPSDO: Jackson-Labs, FireFly , Firmware Rev 0.929
[INFO] [USRP2] Setting references to the internal GPSDO
Using Device: Single USRP:
Device: USRP2 / N-Series Device
Mboard 0: N210r4
RX Channel: 0
RX DSP: 0
RX Dboard: A
RX Subdev: WBXv4 RX+GDB
TX Channel: 0
TX DSP: 0
TX Dboard: A
TX Subdev: WBXv4 TX+GDB
Setting device timestamp to 0...
Testing receive rate 10.000000 Msps on 1 channels
^X@sd
Benchmark rate summary:
Num received samples: 1799996569
Num dropped samples: 0
Num overflows detected: 0
Num transmitted samples: 0
Num sequence errors: 0
Num underflows detected: 0
Num late commands: 0
Num timeouts: 0
Done!
$ ./benchmark_rate --rx_rate 10e6 --duration 180
[INFO] [UHDlinux; GNU C++ version 6.3.0 20170516; Boost_106200;
UHD_3.11.0.git-181-g8f9f4184]
Creating the usrp device with: ...
[INFO] [USRP2] Opening a USRP2/N-Series device...
[INFO] [USRP2] Current recv frame size: 1472 bytes
[INFO] [USRP2] Current send frame size: 1472 bytes
[INFO] [USRP2] Detecting internal GPSDO....
[INFO] [GPS] Found an internal GPSDO: Jackson-Labs, FireFly , Firmware Rev 0.929
[INFO] [USRP2] Setting references to the internal GPSDO
Using Device: Single USRP:
Device: USRP2 / N-Series Device
Mboard 0: N210r4
RX Channel: 0
RX DSP: 0
RX Dboard: A
RX Subdev: WBXv4 RX+GDB
TX Channel: 0
TX DSP: 0
TX Dboard: A
TX Subdev: WBXv4 TX+GDB
Setting device timestamp to 0...
Testing receive rate 10.000000 Msps on 1 channels
DDDDD
Benchmark rate summary:
Num received samples: 1799994194
Num dropped samples: 1815
Num overflows detected: 0
Num transmitted samples: 0
Num sequence errors: 0
Num underflows detected: 0
Num late commands: 0
Num timeouts: 0
Done!
$ ./benchmark_rate --rx_rate 5e6 --duration 300
[INFO] [UHDlinux; GNU C++ version 6.3.0 20170516; Boost_106200;
UHD_3.11.0.git-181-g8f9f4184]
Creating the usrp device with: ...
[INFO] [USRP2] Opening a USRP2/N-Series device...
[INFO] [USRP2] Current recv frame size: 1472 bytes
[INFO] [USRP2] Current send frame size: 1472 bytes
[INFO] [USRP2] Detecting internal GPSDO....
[INFO] [GPS] Found an internal GPSDO: Jackson-Labs, FireFly , Firmware Rev 0.929
[INFO] [USRP2] Setting references to the internal GPSDO
Using Device: Single USRP:
Device: USRP2 / N-Series Device
Mboard 0: N210r4
RX Channel: 0
RX DSP: 0
RX Dboard: A
RX Subdev: WBXv4 RX+GDB
TX Channel: 0
TX DSP: 0
TX Dboard: A
TX Subdev: WBXv4 TX+GDB
Setting device timestamp to 0...
Testing receive rate 5.000000 Msps on 1 channels
DDDD
Benchmark rate summary:
Num received samples: 1499994662
Num dropped samples: 1452
Num overflows detected: 0
Num transmitted samples: 0
Num sequence errors: 0
Num underflows detected: 0
Num late commands: 0
Num timeouts: 0
Done!
$ ./benchmark_rate --rx_rate 5e6 --duration 300
[INFO] [UHDlinux; GNU C++ version 6.3.0 20170516; Boost_106200;
UHD_3.11.0.git-181-g8f9f4184]
Creating the usrp device with: ...
[INFO] [USRP2] Opening a USRP2/N-Series device...
[INFO] [USRP2] Current recv frame size: 1472 bytes
[INFO] [USRP2] Current send frame size: 1472 bytes
[INFO] [USRP2] Detecting internal GPSDO....
[INFO] [GPS] Found an internal GPSDO: Jackson-Labs, FireFly , Firmware Rev 0.929
[INFO] [USRP2] Setting references to the internal GPSDO
Using Device: Single USRP:
Device: USRP2 / N-Series Device
Mboard 0: N210r4
RX Channel: 0
RX DSP: 0
RX Dboard: A
RX Subdev: WBXv4 RX+GDB
TX Channel: 0
TX DSP: 0
TX Dboard: A
TX Subdev: WBXv4 TX+GDB
Setting device timestamp to 0...
Testing receive rate 5.000000 Msps on 1 channels
DDDDDDD
Benchmark rate summary:
Num received samples: 1499993442
Num dropped samples: 2541
Num overflows detected: 0
Num transmitted samples: 0
Num sequence errors: 0
Num underflows detected: 0
Num late commands: 0
Num timeouts: 0
Done!
$ ./benchmark_rate --rx_rate 1e6 --duration 300
[INFO] [UHDlinux; GNU C++ version 6.3.0 20170516; Boost_106200;
UHD_3.11.0.git-181-g8f9f4184]
Creating the usrp device with: ...
[INFO] [USRP2] Opening a USRP2/N-Series device...
[INFO] [USRP2] Current recv frame size: 1472 bytes
[INFO] [USRP2] Current send frame size: 1472 bytes
[INFO] [USRP2] Detecting internal GPSDO....
[INFO] [GPS] Found an internal GPSDO: Jackson-Labs, FireFly , Firmware Rev 0.929
[INFO] [USRP2] Setting references to the internal GPSDO
Using Device: Single USRP:
Device: USRP2 / N-Series Device
Mboard 0: N210r4
RX Channel: 0
RX DSP: 0
RX Dboard: A
RX Subdev: WBXv4 RX+GDB
TX Channel: 0
TX DSP: 0
TX Dboard: A
TX Subdev: WBXv4 TX+GDB
Setting device timestamp to 0...
Testing receive rate 1.000000 Msps on 1 channels
D
Benchmark rate summary:
Num received samples: 299998990
Num dropped samples: 363
Num overflows detected: 0
Num transmitted samples: 0
Num sequence errors: 0
Num underflows detected: 0
Num late commands: 0
Num timeouts: 0
Done!
$ ./benchmark_rate --rx_rate 1e6 --duration 300
[INFO] [UHDlinux; GNU C++ version 6.3.0 20170516; Boost_106200;
UHD_3.11.0.git-181-g8f9f4184]
Creating the usrp device with: ...
[INFO] [USRP2] Opening a USRP2/N-Series device...
[INFO] [USRP2] Current recv frame size: 1472 bytes
[INFO] [USRP2] Current send frame size: 1472 bytes
[INFO] [USRP2] Detecting internal GPSDO....
[INFO] [GPS] Found an internal GPSDO: Jackson-Labs, FireFly , Firmware Rev 0.929
[INFO] [USRP2] Setting references to the internal GPSDO
Using Device: Single USRP:
Device: USRP2 / N-Series Device
Mboard 0: N210r4
RX Channel: 0
RX DSP: 0
RX Dboard: A
RX Subdev: WBXv4 RX+GDB
TX Channel: 0
TX DSP: 0
TX Dboard: A
TX Subdev: WBXv4 TX+GDB
Setting device timestamp to 0...
Testing receive rate 1.000000 Msps on 1 channels
Benchmark rate summary:
Num received samples: 299999414
Num dropped samples: 0
Num overflows detected: 0
Num transmitted samples: 0
Num sequence errors: 0
Num underflows detected: 0
Num late commands: 0
Num timeouts: 0
Done!
$ ./benchmark_rate --rx_rate 10e6 --duration 300
[INFO] [UHDlinux; GNU C++ version 6.3.0 20170516; Boost_106200;
UHD_3.11.0.git-181-g8f9f4184]
Creating the usrp device with: ...
[INFO] [USRP2] Opening a USRP2/N-Series device...
[INFO] [USRP2] Current recv frame size: 1472 bytes
[INFO] [USRP2] Current send frame size: 1472 bytes
[INFO] [USRP2] Detecting internal GPSDO....
[INFO] [GPS] Found an internal GPSDO: Jackson-Labs, FireFly , Firmware Rev 0.929
[INFO] [USRP2] Setting references to the internal GPSDO
Using Device: Single USRP:
Device: USRP2 / N-Series Device
Mboard 0: N210r4
RX Channel: 0
RX DSP: 0
RX Dboard: A
RX Subdev: WBXv4 RX+GDB
TX Channel: 0
TX DSP: 0
TX Dboard: A
TX Subdev: WBXv4 TX+GDB
Setting device timestamp to 0...
Testing receive rate 10.000000 Msps on 1 channels
DDDDDD
Benchmark rate summary:
Num received samples: 2999991184
Num dropped samples: 2178
Num overflows detected: 0
Num transmitted samples: 0
Num sequence errors: 0
Num underflows detected: 0
Num late commands: 0
Num timeouts: 0
Done!
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