Known Issues
For a list of older versions' Known Issues that are not listed in this chapter, please refer to the relevant firmware versions Release Notes in https://docs.mellanox.com/category/adapterfw.
Ethernet Rate Limit per VF in RoCE Mode Limitations
Dual Port Device | Single Port Device | ||||
w/o LAG (TOTAL_VFS>32) | With LAG (TOTAL_VFS<32) | w/o LAG | |||
w/o QoS | Full QoS | w/o QoS | Full QoS | w/o QoS | Full QoS |
127 | 45 | 32 | 20 | 127 | 100 |
Ethernet Rate Limit per VF in InfiniBand Mode Limitations
Dual Port Device | Single Port Device | ||
w/o LAG | w/o LAG | ||
w/o QoS | Full QoS | w/o QoS | Full QoS |
127 | 26 | 127 | 55 |
Known Issues
Internal Ref. | Issue |
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: 12.28.2006 | |
3201110 | Description: When using 3rd party transceivers that do not support a CDR change, an issue might occur during link up. |
Workaround: Contact NVIDIA Support to receive a dedicated firmware to solve the issue. | |
Keywords: Cables, CDR | |
Discovered in Version: 12.28.2006 | |
2245422 | Description: When MKEY_BY_NAME is enabled by NVCONFIG and a large number of VFs are configured, VM restart (VF/PF FLR) will take longer than when MKEY_BY_NAME is disabled. |
Workaround: N/A | |
Keywords: SR-IOV | |
Discovered in Version: 12.28.1002 | |
2075728 | Description: Minor performance degradation in CREATE_QP throughput. |
Workaround: N/A | |
Keywords: Performance | |
Discovered in Version: 12.27.1016 | |
2071210 | Description: mlxconfig query for the BOOT_INTERRUPT_DIS TLV shows a wrong value in the "current value" field. |
Workaround: Use "next boot" indication to see the right value. | |
Keywords: mlxconfig | |
Discovered in Version: 12.27.1016 | |
2058677 | Description: In Socket Direct supported cards, after performing mlxfwreset, the expansion ROM register might be writable on all hosts for less than 1 second. |
Workaround: N/A | |
Keywords: Expansion ROM, Socket Direct | |
Discovered in Version: 12.27.1016 | |
2057653 | Description: quota_exceeded_command and invalid_command counters do not function properly. In this firmware version, the quota_exceeded_command counter’s value always remains 0, whereas the invalid_command counter increases only for some Ethernet commands failure events. |
Workaround: N/A | |
Keywords: quota_exceeded_command, invalid_command, vnic_env counters | |
Discovered in Version: 12.27.1016 | |
1840289 | Description: Since Packet Pacing enforce max_tc value is “1”, features that require multiple TCs will not be active when this mode is available. |
Workaround: N/A | |
Keywords: Packet Pacing | |
Discovered in Version: 12.26.1040 | |
1796628 | Description: Due to performance considerations, unicast loopback traffic will go through the NIC SX tables, and multicast loopback traffic will skip the NIC SX tables. |
Workaround: N/A | |
Keywords: Performance, unicast loopback traffic, multicast loopback traffic | |
Discovered in Version: 12.26.1040 | |
1754253 | Description: Firmware downgrade followed by mlxfwreset/mstfwreset action may cause sideband management connection issues. |
Workaround: Reset the BMC | |
Keywords: mlxfwreset/mstfwreset | |
Discovered in Version: 12.25.1020 | |
1699214 | Description: NODNIC VF is partially tested. It is fully tested only in ConnectX-5 adapter cards. |
Workaround: N/A | |
Keywords: NODNIC VF | |
Discovered in Version: 12.25.1020 | |
1689186 | Description: Changing priority to TC map during traffic might cause packet drops. |
Workaround: N/A | |
Keywords: QoS | |
Discovered in Version: 12.25.1020 | |
1604699 | Description: Ethernet RFC 2819 counter ether_stats_oversize_pkts and Ethernet IEEE 802.3 counter a_frame_too_long_errors share the same resource. Clearing each of them will affect the other. |
Workaround: N/A | |
Keywords: Counters | |
Discovered in Version: 12.25.1020 | |
- | Description: In Ethernet mode, at 10/40GbE speeds, only NO-FEC in Force mode is supported. Other user configurations are overridden. |
Workaround: N/A | |
Keywords: Ethernet, 10GbE, 40GbE, RS-FEC | |
Discovered in Version: 12.25.1020 | |
1498399 | Description: If the XRC switches between SRQ/RMPs while there is an outstanding ODP on the responder XRC QP, a CQE with an error might be generated (that is not a PFAULT abort). |
Workaround: N/A | |
Keywords: XRC SRQ/RMP ODP | |
Discovered in Version: 12.25.1020 | |
1546401 | Description: vport_tc and para_vport_tc are not supported in this version. |
Workaround: N/A | |
Keywords: SR-IOV vport_tc and para_vport_tc | |
Discovered in Version: 12.24.1000 | |
1546492 | Description: Executing the update_lid command while the IB port sniffer utility is active can stop the utility. |
Workaround: N/A | |
Keywords: IB Sniffer | |
Discovered in Version: 12.24.1000 | |
1537898 | Description: Initializing a function while the IB port sniffer utility is active can stop the utility. |
Workaround: N/A | |
Keywords: IB Sniffer | |
Discovered in Version: 12.24.1000 | |
1332714/1345824 | Description: The maximum “read” size of MTRC_STDB is limited to 272 Bytes. |
Workaround: Set the MTRC_STDB.read_size to the maximum value of 0x110=272 Bytes | |
Keywords: Access register, MTRC_STDB, tracer to dmesg, fwtrace to dmesg | |
Discovered in Version: 12.23.1020 | |
1408994 | Description: FTE with both forward (FWD) and encapsulation (ENCAP) actions is not supported in the SX NIC Flow Table. |
Workaround: N/A | |
Keywords: SX NIC Flow Table | |
Discovered in Version: 12.23.1020 | |
1350794 | Description: Encapsulation / Decapsulation support in steering has the following limitations:
|
Workaround: N/A | |
Keywords: Steering Encapsulation / Decapsulation | |
Discovered in Version: 12.23.1020 | |
1027553 | Description: While using e-switch vport sVLAN stripping, the RX steering values on the sVLAN might not be accurate. |
Workaround: N/A | |
Keywords: e-sw vport sVLAN stripping, RX steering | |
Discovered in Version: 12.24.1000 | |
1799917 | Description: Untagged CVLAN packets in the Steering Flow Tables do not match the SVLAN tagged packets. |
Workaround: N/A | |
Keywords: Steering Flow Tables, CVLAN/SVLAN packets | |
Discovered in Version: 12.23.1020 | |
1355883 | Description: Running the QUERY_VPORT_COUNTER command with clear bit results in discard counters being reset. |
Workaround: N/A | |
Keywords: Discard counters | |
Discovered in Version: 12.22.1002 | |
1277762 | Description: An Ethernet multicast loopback packet is not counted (even if it is not a local loopback packet) when running the nic_receive_steering_discard command. |
Workaround: N/A | |
Keywords: Ethernet multicast loopback packet | |
Discovered in Version: 12.22.1002 | |
1114610 | Description: During DC CNAK stress tests, DC CNAK timeout (CNAK drops) might occur. |
Workaround: N/A | |
Keywords: DC CNAK | |
Discovered in Version: 12.22.1002 | |
1047184 | Description: RDMA resq_local_length_error and resp_remote_invalid_request counters do not function properly. |
Workaround: N/A | |
Keywords: RDMA counters | |
Discovered in Version: 12.21.1000 | |
1168594 | Description: RoCE Dual Port Mode (a.k.a Multi-Port vHCA: MPV) is not supported in Multi-Host setups. |
Workaround: N/A | |
Keywords: Multi-Port vHCA, Multi-Host | |
Discovered in Version: 12.21.1000 | |
1072337 | Description: If a packet is modified in e-sw flow steering, the SX sniffer Flow Table (of the VF) will see the sniffed packet after the modification. |
Workaround: N/A | |
Keywords: SX sniffer Flow Table | |
Discovered in Version: 12.21.1000 |