Mellanox 4 LX - PCIe

[furfix]

Possibly to reboot actual nic, maybe you must actually power down the power going to the nic, so that the nic itself restarts. So maybe a plug revival is required. IDK, but maybe check the number of VFs showing after a restart.

Thanks for taking the time to troubleshoot it with me. I really appreciate it. I checked indeed after the reboot, if the new config was applied on the BIOS NIC, and indeed the VF were 0 and SRIOV_EN was FALSE.

Wish to have any other kind of PCIe card to connect and try to pass it through... to understand if it's the NIC or the motherboard...

 

[avis99]

I had the same problem and managed to solve it.

The issue seems to be related to the fact the mlx5_core is being loaded by the host. If so it should be disabled (on the host)

Execute:

lsmod

and look for mlx5_core. If it exists - do the following:

cat /etc/modprobe.d/pve-blacklist.conf
# This file contains a list of modules which are not supported by Proxmox VE
# nvidiafb see bugreport https://bugzilla.proxmox.com/show_bug.cgi?id=701
blacklist nvidiafb
blacklist mlx5_core
blacklist i2c_i801
blacklist i2c_smbus

update-initramfs -u -k all

Reboot - solved