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https://bugs.launchpad.net/bugs/1853638
Title:
BCM57416 NetXtreme-E Dual-Media 10G RDMA Ethernet device seems to be
dropping data
Status in linux package in Ubuntu:
Incomplete
Status in network-manager package in Ubuntu:
Confirmed
Bug description:
The issue appears to be with the BCM57416 NetXtreme-E Dual-Media 10G
RDMA Ethernet device seems to be dropping data
Basically, we are dropping data, as you can see from the benchmark
tool as follows:
tcdforge@x310a:/usr/local/lib/lib/uhd/examples$ ./benchmark_rate --rx_rate
10e6 --tx_rate 10e6 --duration 300
[INFO] [UHD] linux; GNU C++ version 5.4.0 20160609; Boost_105800;
UHD_3.14.1.1-0-g98c7c986
[WARNING] [UHD] Unable to set the thread priority. Performance may be
negatively affected.
Please see the general application notes in the manual for instructions.
EnvironmentError: OSError: error in pthread_setschedparam
[00:00:00.000007] Creating the usrp device with: ...
[INFO] [X300] X300 initialization sequence...
[INFO] [X300] Maximum frame size: 1472 bytes.
[INFO] [X300] Radio 1x clock: 200 MHz
[INFO] [GPS] Found an internal GPSDO: LC_XO, Firmware Rev 0.929a
[INFO] [0/DmaFIFO_0] Initializing block control (NOC ID: 0xF1F0D00000000000)
[INFO] [0/DmaFIFO_0] BIST passed (Throughput: 1308 MB/s)
[INFO] [0/DmaFIFO_0] BIST passed (Throughput: 1316 MB/s)
[INFO] [0/Radio_0] Initializing block control (NOC ID: 0x12AD100000000001)
[INFO] [0/Radio_1] Initializing block control (NOC ID: 0x12AD100000000001)
[INFO] [0/DDC_0] Initializing block control (NOC ID: 0xDDC0000000000000)
[INFO] [0/DDC_1] Initializing block control (NOC ID: 0xDDC0000000000000)
[INFO] [0/DUC_0] Initializing block control (NOC ID: 0xD0C0000000000000)
[INFO] [0/DUC_1] Initializing block control (NOC ID: 0xD0C0000000000000)
Using Device: Single USRP:
Device: X-Series Device
Mboard 0: X310
RX Channel: 0
RX DSP: 0
RX Dboard: A
RX Subdev: SBX-120 RX
RX Channel: 1
RX DSP: 0
RX Dboard: B
RX Subdev: SBX-120 RX
TX Channel: 0
TX DSP: 0
TX Dboard: A
TX Subdev: SBX-120 TX
TX Channel: 1
TX DSP: 0
TX Dboard: B
TX Subdev: SBX-120 TX
[00:00:04.305374] Setting device timestamp to 0...
[WARNING] [UHD] Unable to set the thread priority. Performance may be
negatively affected.
Please see the general application notes in the manual for instructions.
EnvironmentError: OSError: error in pthread_setschedparam
[00:00:04.310990] Testing receive rate 10.000000 Msps on 1 channels
[WARNING] [UHD] Unable to set the thread priority. Performance may be
negatively affected.
Please see the general application notes in the manual for instructions.
EnvironmentError: OSError: error in pthread_setschedparam
[00:00:04.318356] Testing transmit rate 10.000000 Msps on 1 channels
[00:00:06.693119] Detected Rx sequence error.
D[00:00:09.402843] Detected Rx sequence error.
DD[00:00:40.927978] Detected Rx sequence error.
D[00:01:44.982243] Detected Rx sequence error.
D[00:02:11.400692] Detected Rx sequence error.
D[00:02:14.805292] Detected Rx sequence error.
D[00:02:41.875596] Detected Rx sequence error.
D[00:03:06.927743] Detected Rx sequence error.
D[00:03:47.967891] Detected Rx sequence error.
D[00:03:58.233659] Detected Rx sequence error.
D[00:03:58.876588] Detected Rx sequence error.
D[00:04:03.139770] Detected Rx sequence error.
D[00:04:45.287465] Detected Rx sequence error.
D[00:04:56.425845] Detected Rx sequence error.
D[00:04:57.929209] Detected Rx sequence error.
[00:05:04.529548] Benchmark complete.
Benchmark rate summary:
Num received samples: 2995435936
Num dropped samples: 4622800
Num overruns detected: 0
Num transmitted samples: 3008276544
Num sequence errors (Tx): 0
Num sequence errors (Rx): 15
Num underruns detected: 0
Num late commands: 0
Num timeouts (Tx): 0
Num timeouts (Rx): 0
Done!
tcdforge@x310a:/usr/local/lib/lib/uhd/examples$
In this particular case description, the nodes are USRP x310s. However, we
have the same issue with N210 nodes dropping samples connected to the BCM57416
NetXtreme-E Dual-Media 10G RDMA Ethernet device.
There is no problem with the USRPs themselves, as we have tested them
with normal 1G network cards and have no dropped samples.
Personally I think its something to do with the 10G network card,
possibly on a ubuntu driver???
Note, Dell have said there is no hardware problem with the 10G
interfaces
I have followed the troubleshooting information on this link to try determine
the problem: https://files.ettus.com/manual/page_usrp_x3x0_config.html
- There is no firewall on that port (disabled).
- I tried setting the cpu frequency power but got "no or unknown cpufreq
driver is active on this CPU".
- I also changed the cable to Cat6a connecting the USRPs to the 10G SRIOV
port, and I get the same issue
This is from the VM with connected USRP x310
tcdforge@x310a:~$ lspci -nn | grep -i ethernet
00:03.0 Ethernet controller [0200]: Red Hat, Inc. Virtio network device
[1af4:1000]
00:05.0 Ethernet controller [0200]: Broadcom Inc. and subsidiaries
NetXtreme-E Ethernet Virtual Function [14e4:16dc]
tcdforge@x310a:~$
5e:00.0 Ethernet controller [0200]: Broadcom Inc. and subsidiaries BCM57416
NetXtreme-E Dual-Media 10G RDMA Ethernet Controller [14e4:16d8] (rev 01)
Subsystem: Dell BCM57416 NetXtreme-E Dual-Media 10G RDMA Ethernet
Controller [1028:1fea]
Flags: bus master, fast devsel, latency 0, IRQ 50, NUMA node 0
Memory at b9a10000 (64-bit, prefetchable) [size=64K]
Memory at b9100000 (64-bit, prefetchable) [size=1M]
Memory at b9aa2000 (64-bit, prefetchable) [size=8K]
Expansion ROM at b9c00000 [disabled] [size=512K]
Capabilities: <access denied>
Kernel driver in use: bnxt_en
Kernel modules: bnxt_en
We get this info from the server:
scamallra@rack9:~$ cpupower frequency-info
analyzing CPU 0:
no or unknown cpufreq driver is active on this CPU
CPUs which run at the same hardware frequency: Not Available
CPUs which need to have their frequency coordinated by software: Not
Available
maximum transition latency: Cannot determine or is not supported.
Not Available
available cpufreq governors: Not Available
Unable to determine current policy
current CPU frequency: Unable to call hardware
current CPU frequency: Unable to call to kernel
boost state support:
Supported: yes
Active: yes
lsb_release -rd
Description: Ubuntu 18.04.3 LTS
Release: 18.04
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: network-manager 1.10.6-2ubuntu1.1
ProcVersionSignature: Ubuntu 4.15.0-70.79-generic 4.15.18
Uname: Linux 4.15.0-70-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.9
Architecture: amd64
Date: Fri Nov 22 17:39:21 2019
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-con: NAME UUID TYPE TIMESTAMP TIMESTAMP-REAL AUTOCONNECT
AUTOCONNECT-PRIORITY READONLY DBUS-PATH ACTIVE DEVICE STATE ACTIVE-PATH
SLAVE
nmcli-nm:
RUNNING VERSION STATE STARTUP CONNECTIVITY NETWORKING WIFI-HW
WIFI WWAN-HW WWAN
running 1.10.6 connected started unknown enabled enabled
enabled enabled enabled
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