Known Issues

Linux Kernel Upstream Release Notes v6.5

The following is a list of general limitations and known issues of the various components of this MLNX-NATIVE-ESX release.

Internal Ref.

Description

-

Description: ConnectX-6 currently supports up to 100GbE speed link.

Workaround: N/A

Keywords: ConnectX-6, 100GbE

Discovered in Version: 4.19.70.1

2139652

Description: SRI-OV is not supported while ENS is enabled.

Workaround: N/A

Keywords: SRI-OV, ENS

Discovered in Version: 4.19.70.1

1712298

Description: Live unload of the driver is not supported. Doing so may cause a PSOD if the max_vfs parameter is set.

Workaround: N/A

Keywords: Driver load

Discovered in Version: 4.19.70.1

2120216

Description: The maximum number of established active RDMA connections (QPs) is currently 5000.

Workaround: N/A

Keywords: QPs, RDMA

Discovered in Version: 4.19.70.1

2125202

Description: ENS is currently not supported in ConnectX-6 Dx adapter cards.

Workaround: Use non ENS DVS for ConnectX-6 Dx cards.

Keywords: ENS

Discovered in Version: 4.19.70.1

2130911

Description: Setting ETS value to 0 may cause WQE timeout.

Workaround: Set ETS value of 1 instead of 0.

Keywords: ETS, QOS

Discovered in Version: 4.19.70.1

746100

Description: The 'esxcli mellanox uplink link info -u ' command reports the 'Auto negotiation' capability always as 'true'.

Workaround: N/A

Keywords: 'Auto negotiation' capability

Discovered in Version: 4.19.70.1

1068621

Description: SMP MADs (ibnetdiscover, sminfo, iblinkinfo, smpdump, ibqueryerr, ibdiagnet and smpquery) are not supported on the VFs.

Workaround: N/A

Keywords: SMP MADs

Discovered in Version: 4.19.70.1

1446060

Description: Although the max_vfs module parameter range is "0-128", due to firmware limitations, the following are the supported VFs per single port devices:

  • ConnectX-4 / ConnectX-5: up to 127

Workaround: N/A

Keywords: SR-IOV, VFs per port

Discovered in Version: 4.19.70.1

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