| Internal Ref. | Issue |
| 3712016 | Description: Fixed an issue that prevented Congestion Control from behaving properly when GRH is used in traffic of an IB cluster. |
| Keywords: IB Congestion Control, CNP, SL | |
| Discovered in Version: 28.39.1002 | |
| Fixed in Release: 28.40.1000 | |
| 3174038 | Description: SPDM requests received while CPLD burn flow is in progress may be answered with incorrect responses. |
| Keywords: SPDM | |
| Discovered in Version: 28.34.1002 | |
| Fixed in Release: 28.40.1000 | |
| 3110297 | Description: When ConnectX-7 adapter card is configured to use the Auto-Negotiation mode, 400G_8x linkup cannot be raised. |
| Keywords: 400G_8x, linkup | |
| Discovered in Version: 28.34.4000 | |
| Fixed in Release: 28.40.1000 | |
| 3339818 | Description: When performing a stress toggling on a ConnectX-7 adapter card that is connected to the MMA1Z00-NS400 cable and the speed is set to 100G_1x with interleaved FEC, a long linkup time of up to 5 min may occur. |
| Keywords: Toggling, MMA1Z00-NS400 | |
| Discovered in Version: 28.36.1010 | |
| Fixed in Release: 28.40.1000 | |
| 3339919 | Description:
|
| Keywords: Link up speed | |
| Discovered in Version: 28.36.1010 | |
| Fixed in Release: 28.40.1000 | |
| 3312483 | Description: WoL packets may not working properly if sent to Unicast destination MAC. |
| Keywords: WoL packets, Unicast destination MAC | |
| Discovered in Version: 28.36.1010 | |
| Fixed in Release: 28.40.1000 | |
| 3275394 | Description: When performing PCIe link secondary-bus-reset, disable/enable or mlxfwreset on AMD based Genoa systems, the device takes longer then expected to link up, due to a PCIe receiver termination misconfiguration. |
| Keywords: PCIe | |
| Discovered in Version: 28.37.1014 | |
| Fixed in Release: 28.40.1000 | |
| 3457472 | Description: Disabling the Relaxed Ordered (RO) capability (relaxed_ordering_read_pci_enabled=0) using the vhca_resource_manager is currently not functional. |
| Keywords: Relaxed Ordered | |
| Discovered in Version: 28.37.1014 | |
| Fixed in Release: 28.40.1000 | |
| 3606136 | Description: In rare cases, linkup time of NDR and NDR200 with MMA4Z00-NS400 may take longer than 60 seconds. |
| Keywords: Cables, NDR, NDR200, linkup time | |
| Discovered in Version: 28.39.1002 | |
| Fixed in Release: 28.40.1000 | |
| 3683068 | Description: Added back the Digital Feedforward Equalizer (DFFE) hardware component to improve the signal integrity link. |
| Keywords: Digital Feedforward Equalizer (DFFE) | |
| Discovered in Version: 28.38.1002 | |
| Fixed in Release: 28.40.1000 | |
| 3708035 | Description: Fixed an issue with Selective-Repeat configuration which occasionally caused retransmission to wait for timeout instead of out-of-sequence NACK. |
| Keywords: RoCE, SR | |
| Discovered in Version: 28.38.1002 | |
| Fixed in Release: 28.40.1000 | |
| 3695219 | Description: Enabled the lowest minimum rate for SW DCQCN to enable congestion control to hold a larger amount of QPs without pauses or drops. |
| Keywords: Congestion control, PCC, DCQCN | |
| Discovered in Version: 28.38.1002 | |
| Fixed in Release: 28.40.1000 | |
| 3637429 | Description: Fixed an issue that caused the secondary ASIC run module init to fail due to missing condition. |
| Keywords: Secondary device, EEPROM | |
| Discovered in Version: 28.38.1002 | |
| Fixed in Release: 28.40.1000 | |
| 3693945 | Description: Fixed an issue that kept the adapter cards’ quad ports UP when using breakout cables / QSFP-split-4. Now when a 4 alignment loss is noticed, the link in 25G/lane Ethernet is dropped. |
| Keywords: Quad ports, link up, breakout cables / QSFP-split-4 | |
| Discovered in Version: 28.38.1002 | |
| Fixed in Release: 28.40.1000 | |
| 3607329 | Description: Modified PCIe switch downstream port EQLZ.PH1 timing to 3ms. |
| Keywords: PCIe switch downstream port | |
| Discovered in Version: 28.38.1002 | |
| Fixed in Release: 28.40.1000 | |
| 3617606 | Description: Fixed a rare race condition in NODNIC teardown that caused commands to hang on regular PF. |
| Keywords: NODNIC teardown | |
| Discovered in Version: 28.36.1010 | |
| Fixed in Release: 28.40.1000 |
Bug Fixes in this Firmware Version
NVIDIA ConnectX-7 Adapter Cards Firmware Release Notes v28.40.1000