@olivierlambert

I realize this is an older topic and I'd like to share you with what I have learned.

The x710 series has a reputation for being picky about driver and nvram versions.

According to the "332191_Intel Ethernet Controller X710-XXV710-XL710 Feature Summary_Rev5_12" publication, page 34, the closest match for XCP-ng's intel-i40e-alt.x86_64 (version: 2.26.8) is nvram 9.52.

I flashed both the x710-T2l and the X710-DA4 to 9.52 and have success passing the x710-DA4 through to a vm.

I haven't tried to do a passthrough with the x710-T2l; I've got PfSense running using XCP-ng's vlan feature and some tuneables in PfSense and am reluctant to rock the boat.

I'm including a snapshot of page 34 of the Intel pub for your review.

Best regards!

I'm unable to create a new VM with Xen Orchestra; when viewing the vm's disks, there is a message stating the cdrom is not completely installed and that start/stop would complete the installation. Trying to start the vm yields the following error message:

VDI_MISSING(OpaqueRef:f1c5dab1-07ce-4db8-96d7-533cca7da3b5, OpaqueRef:4c0ddfd3-d197-40c1-9043-7d3a70ed8aba).

Just for kicks Itried creating a vm with same parameters using XCP-ng Center and was successful.

Has anyone else experienced this behavior?