Mellanox IB card failed to initialize after updating the bios to 3.3.2 on Dell C6145

Issue: After updating the bios firmware on Dell C6145, the Mellanox IB card failed to initialize. The dmesg shows the following error message:

mlx4_core 0000:04:00.0: Failed to initialize queue pair table, aborting.
mlx4_core 0000:04:00.0: PCI INT A disabled
mlx4_core: probe of 0000:04:00.0 failed with error -16

Solution 1: Downgrade the bios firmware back to 3.0.0
Solution 2:
1) Reboot the server and press F2 during the post to go to bios menu
2) Under BIOS setup utility go to Exit menu and select Load Optimal Defaults and reboot the server.
Note: Make sure to change the BMC settings as per your environment after the above steps. Resetting to default is going to change the BMC and boot settings back to default.

Dell Cloud C6145 BIOS

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