Mellanox ConnectX-3 will not initialize

E

epitaxial

I'm trying to get this card (MCX311A-XCAT) working under 15-RELEASE but something is wrong. The card never even gets a link light. It works under Ubuntu 22 and booting the Windows installer from a flash drive also initializes the card enough to get a link. I added the following to /boot/loader.conf

Code: 
if_mlx4en_load="YES"

dmesg shows the following

​

Code: 
mlx4_core0: <mlx4_core> mem 0xfb200000-0xfb2fffff,0xf2800000-0xf2ffffff at device 0.0 on pci6
mlx4_core: Mellanox ConnectX core driver v3.7.1 (November 2021)
mlx4_core: Initializing 0000:06:00.0
mlx4_core0: Unable to determine PCI device chain minimum BW

Running ifconfig -a does not show the interface. kldstat -v shows

Code: 
12    1 0xffffffff83c32000    3c028 mlx4.ko (/boot/kernel/mlx4.ko)
    Contains modules:
         Id Name
        520 mlx4
        519 pci/lkpi_mlx4_pci_table

The machine in question is a Lenovo Thinkstation S30. Any ideas?
 
The card works fine in Windows and I was able to upgrade the firmware. Still no luck on FreeBSD. The appropriate sysctl parameter is set to "eth"

Code: 
sys.device.mlx4_core0.mlx4_port1: eth
 
Do you need to load the module through loader or could you temporarily not do that and muck around by hand?
ls /boot/kernel | grep mlx shows a few different versions, maybe the mlx4 is not correct?
To me dmesg implies the device is at least seen, ifconfig not working implies a driver is not attached.
 
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