Hi
100G_4X link speed can not configure with CX-8 C8240 nic card + MCP1600-C005E26L DAC cable.
cran@cran:~$ sudo mlxlink -d a0:00.0 -p 1 --speeds 100G_4X --link_mode_force
Operational Info
State : Disable
Physical state : ETH_AN_FSM_ENABLE
Speed : N/A
Width : N/A
FEC : N/A
Loopback Mode : N/A
Auto Negotiation : ON
Supported Info
Enabled Link Speed (Ext.) : 0x00000000 ()
Supported Cable Speed (Ext.) : 0x000002f2 (100G_4X,50G_2X,40G,25G,10G,1G)
Troubleshooting Info
Status Opcode : 16
Group Opcode : PHY FW
Recommendation : Cable speed not enabled
Tool Information
Firmware Version : 40.45.1202
amBER Version : 5.75
MFT Version : 4.34.0-145
Configuring Port Speeds…
Errors
Sending PTYS (Configuring port speeds) raised the following exception: Failed to send access register: ICMD error 0x3: ICMD operational error, Please check icmd.ctrl.status field and the syndrome number is: 0x103B92
Here is results after configuring with command
- “sudo mlxconfig -d a0:00.0 set PHY_RATE_MASK_OVERRIDE_P1=1 PHY_RATE_MASK_P1=0x000007f2
- sudo mlxconfig -d a0:00.1 set PHY_RATE_MASK_OVERRIDE_P1=1 PHY_RATE_MASK_P1=0x000007f2“
cran@cran:~$ sudo mlxlink -d a0:00.0 -m
Operational Info
State : Negotiation
Physical state : ETH_AN_FSM_ENABLE
Speed : N/A
Width : N/A
FEC : N/A
Loopback Mode : No Loopback
Auto Negotiation : ON
Supported Info
Enabled Link Speed (Ext.) : 0x00000500 (100G_2X,50G_1X)
Supported Cable Speed (Ext.) : 0x000002f2 (100G_4X,50G_2X,40G,25G,10G,1G)
Troubleshooting Info
Status Opcode : 2
Group Opcode : PHY FW
Recommendation : Negotiation failure
Tool Information
Firmware Version : 40.45.1202
amBER Version : 5.75
MFT Version : 4.34.0-145
Module Info
Temperature [C] : 0 [0..0]
Voltage [mV] : 0 [0..0]
Bias Current [mA] : 0,0,0,0 [0..0]
Rx Power Current [dBm] : 0,0,0,0 [0..0]
Tx Power Current [dBm] : 0,0,0,0 [0..0]
Identifier : QSFP28
Compliance : 40GBASE-CR4,25GBASE-CR CA-25G-N or 50GBASE-CR2 with no FEC
Cable Technology : Copper cable, passive, unequalized
Cable Type : Passive copper cable
OUI : Mellanox
Vendor Name : Mellanox
Vendor Part Number : MCP1600-C001E30N
Vendor Serial Number : MT2127VS05116
Rev : A3
Wavelength [nm] : N/A
Transfer Distance [m] : 1
Attenuation (5g,7g,12g)[dB] : 4,6,9
FW Version : N/A
Digital Diagnostic Monitoring : Yes
Power Class : N/A
MAX Power : N/A
CDR RX : N/A
CDR TX : N/A
LOS Alarm : N/A
SNR Media Lanes [dB] : N/A
SNR Host Lanes [dB] : N/A
IB Cable Width : 1x,2x,4x
Memory Map Revision : 6
Linear Direct Drive : 0
Cable Breakout : Channels implemented [1,2,3,4]/Cable with single far-end with 4 channels implemented, or separable module with a 4-channel connector
SMF Length : N/A
Cable Rx AMP : N/A
Cable Rx Emphasis : N/A
Cable Rx Post Emphasis : N/A
Cable Tx Equalization : N/A
Wavelength Tolerance : N/A
Module State : N/A
DataPath state [per lane] : N/A,N/A,N/A,N/A
Rx Output Valid [per lane] : 0,0,0,0
Nominal bit rate : 25.750Gb/s
Rx Power Type : OMA
Manufacturing Date : 28_06_21
Active Set Host Compliance Code : N/A
Active Set Media Compliance Code : N/A
Error Code Response : N/A
Module FW Fault : N/A
DataPath FW Fault : N/A
Tx Fault [per lane] : 0,0,0,0
Tx LOS [per lane] : 0,0,0,0
Tx CDR LOL [per lane] : 0,0,0,0
Rx LOS [per lane] : 0,0,0,0
Rx CDR LOL [per lane] : 0,0,0,0
Tx Adaptive EQ Fault [per lane] : 0,0,0,0