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 |
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Known Issues
Internal Ref. |
Issue |
RM Ticket Status |
3525865 |
Description: Unexpected system behavior might be observed if the driver is loaded while reset is in progress. |
[ConnectX FW Core - Design] BS #3525865: Assigned [Host FW - 43.1000 GA Release] |
Workaround: N/A |
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Keywords: Sync 1 reset, firmware reset |
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Discovered in Version: 26.35.3006 |
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3463527 |
Description: PhyLess Reset is currently not supported. |
[ConnectX FW PHY - Design] BS #3463527: Won't fix [Host FW - Oct22 LTS-U4 35.3500 (Dec23)] |
Workaround: N/A |
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Keywords: PhyLess Reset |
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Discovered in Version: 26.35.3006 |
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3267506 |
Description: CRC is included in the traffic byte counters as a port byte counter. |
[ConnectX FW Core - Design] BS #3267506: Won't fix [Host FW - Oct22 LTS-U1 35.2000 (Nov22)] |
Workaround: N/A |
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Keywords: Counters, CRC |
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Discovered in Version: 26.35.2000 |
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3200779 |
Description: Changing dynamic PCIe link width is not supported. |
[ConnectX FW PCI - Design] BS #3200779: Closed (Rejected) [Host FW - 35.1000 GA Release] |
Workaround: N/A |
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Keywords: PCIe |
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Discovered in Version: 26.34.1002 |
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2169950 |
Description: When decapsulation on a packet occurs, the FCS indication is not calculated correctly. |
[ConnectX FW Core - Design] BS #2169950: Closed [Host FW - 27.6000: MUR Release] |
Workaround: N/A |
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Keywords: FCS |
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Discovered in Version: 26.34.1002 |
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3141072 |
Description: The "max_shaper_rate" configuration query via QEEC mlxreg returns a value translated to hardware granularity. |
[ConnectX FW Core - Design] BS #3141072: Won't fix [Host FW - 34.1000 GA Release] |
Workaround: N/A |
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Keywords: RX Rate-Limiter, Multi-host |
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Discovered in Version: 26.34.1002 |
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2870970 |
Description: GTP encapsulation (flex parser profile 3) is limited to the NIC domain. Encapsulating in the FDB domain will render a 0-size length in GTP header. |
[ConnectX FW Core - Design] BS #2870970: Won't fix [future release] |
Workaround: N/A |
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Keywords: GTP encapsulation |
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Discovered in Version: 26.34.1002 |
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2866931 |
Description: When the host powers up directly into the standby mode, the adapter may not handle WOL packets. |
[ConnectX FW System Mng - Design] BS #2866931: Closed [Host FW - 32.1000 GA Release] |
Workaround: N/A |
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Keywords: WOL packets |
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Discovered in Version: 26.32.1010 |
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2864238 |
Description: VPD cannot be accessed after firmware upgrade or reset when the following sequence is performed:
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[ConnectX FW Core - Design] BS #2864238: Won't fix [TBD] |
Workaround: Run the upgrade or reset sequence as follow:
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Keywords: VDP |
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Discovered in Version: 26.32.1010 |
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2780349 |
Description: As a result of having a single LED per port, features such as the Blinking Detection can work only when in low speed mode. |
[ConnectX FW System Mng - Design] BS #2780349: Closed [Host FW - 32.1000 GA Release] |
Workaround: N/A |
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Keywords: LED, port, Blinking Detection |
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Discovered in Version: 26.32.1010 |
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2834990 |
Description: On rare occasions, when toggling both sides of the link, the link may not rise. |
[ConnectX FW Core - Design] BS #2667681: Won't fix [Host FW - 31.1000 GA Release] |
Workaround: Toggle the port to free it. |
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Keywords: Port toggling, link |
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Discovered in Version: 26.31.1014 |
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2667681 |
Description: As the Connection Tracking (CT) is not moved to SW state after receiving a TCP RST packet, any packet that matches the windows even after the RST is marked as a valid packets. |
[ConnectX FW Core - Design] BS #2667681: Won't fix [Host FW - 31.1000 GA Release] |
Workaround: N/A |
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Keywords: Connection Tracking |
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Discovered in Version: 26.31.1014 |
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2378593 |
Description: Sub 1sec firmware update (fast reset flow) is not supported when updating from previous releases to the current one. Doing so may cause network disconnection events. |
[ConnectX FW PCI - Design] BS #2378593: Closed [Host FW - 29.1000 GA Release] |
Workaround: Use full reset flow for firmware upgrade/downgrade. |
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Keywords: Sub 1sec firmware update |
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Discovered in Version: 26.29.1016 |
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2213356 |
Description: The following are the Steering Dump limitations:
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[ConnectX FW - Core] F #2213356: Closed [Host FW - 29.1000 GA Release] |
Workaround: N/A |
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Keywords: Steering Bump |
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Discovered in Version: 26.29.1016 |
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2365322 |
Description: When configuring adapter card's Level Scheduling, a QoS tree leaf (QUEUE_GROUP) configured with default rate_limit and default bw_share, may not obey the QoS restrictions imposed by any of the leaf’s ancestors. |
[ConnectX FW Core - Design] BS #2365322: Closed [Host FW - 33.1000 GA Release] |
Workaround: To prevent such a case, configure at least one of the following QoS attributes of a leaf: max_average_bw or bw_share |
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Keywords: QoS |
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Discovered in Version: 26.29.1016 |
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2201468 |
Description: Running multiple resets ("mlxfwreset --sync=1") simultaneously is not functioning properly, |
[ConnectX FW Core - Design] BS #2201468: Closed (Rejected) [Host FW - 30.1000 GA Release] |
Workaround: Wait a few seconds until you run "mlxfwreset --sync=0". |
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Keywords: mlxfwreset, reset-sync, reset, sync |
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Discovered in Version: 26.28.1002 |
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