Networking ConnectX 6 Family Firmware Release Notes

Known Issues


VF Network Function Limitations in SRIOV Legacy Mode

Dual Port Device

Single Port Device

127 VF per PF (254 functions)

127

 VF Network Function Limitations in Switchdev Mode

Dual Port Device

Single Port Device

127 VF per PF (254 functions)

127

VF+SF Network Function Limitations in Switchdev Mode

Dual Port Device

Single Port Device

  • 127 VF per PF (254 functions)

  • 512 PF+VF+SF per PF (1024 functions)

  • 127 VF (127 functions)

  • 512 PF+VF+SF per PF (512 functions)


Known Issues



ConnectX-6 DE has the same feature set and limitations as ConnectX-6 adapter card. For the list of ConnectX-6 Known Issues, please go to  https://docs.nvidia.com/networking/category/connectx6fw.

The below are limitations related to ConnectX-6 DE only. 

Internal Ref.

Issue

RM Ticket Status

3525865




Description: Unexpected system behavior might be observed if the driver is loaded while reset is in progress.

Workaround: N/A


Keywords: Sync 1 reset, firmware reset


Discovered in Version:

22.39.1002


3457472



Description: Disabling the Relaxed Ordered (RO) capability (relaxed_ordering_read_pci_enabled=0) using the vhca_resource_manager is currently not functional. 

Workaround: N/A


Keywords: Relaxed Ordered


Discovered in Version:

22.37.1014


2878841



Description: Firmware rollback fails for the signature retransmit flow if the QPN field is configured in the mkey (as it only allows the given QP to use this Mkey) as the firmware rollback flow relies on an internal QP that uses the mkey.

Workaround: N/A


Keywords: Signature retransmit flow


Discovered in Version:

22.37.1014


3329109



Description: MFS1S50-H003E cable supports only HDR rate when used as a split cable.

Workaround: N/A


Keywords: HDR, split cable, MFS1S50-H003E


Discovered in Version:

22.36.1010


2745023



Description: RDMA statistics for sent packets are not updated when RoCE traffic is running in a loopback on the same uplink.

Workaround: N/A


Keywords: RoCE


Discovered in Version:

22.35.2302


3200779



Description: Changing dynamic PCIe link width is not supported.

Workaround: N/A


Keywords: PCIe


Discovered in Version: 

20.34.1002


-



Description: A wrong device ID is presented When running the “dev_id” command for ConnectX-6 DE. The device ID shown is the ConnectX-6 Dx instead.


Workaround: To be able to identify the ConnectX-6 DE ID, run one of the commands below:

  • mlxfwmanager

  • mlxvpd (or mlxburn -vpd)


Keywords: Device ID


Discovered in Version:

22.32.2306


2850003



Description: Occasionally, when rising a logical link, the link recovery counter is increase by 1.

Workaround: N/A


Keywords: Link recovery counter


Discovered in Version:

22.32.2306





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