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Re: [Qemu-devel] PCI passthrough of 40G ethernet interface (Openstack/KV

From: Shannon Nelson
Subject: Re: [Qemu-devel] PCI passthrough of 40G ethernet interface (Openstack/KVM)
Date: Thu, 19 Mar 2015 14:42:17 -0700

On Thu, Mar 19, 2015 at 2:04 PM, jacob jacob <address@hidden> wrote:
> I have updated to latest firmware and still no luck.


> [   61.554132] i40e 0000:00:06.0 eth2: the driver failed to link
> because an unqualified module was detected.     <<<<<<<<<<<<<<<<<<<<
> [   61.555331] IPv6: ADDRCONF(NETDEV_UP): eth2: link is not ready

So I assume you're getting traffic on the other port and it doesn't
complain about "unqualified module"?  Does the problem move if you
swap the cables?  The usual problem here is a QSFP connector that
isn't compatible with the NIC.  I don't have a pointer handy to the
official list, but you should be able to get that from your NIC


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