[Bug 252626] ixl: panic on attach of X722 on-motherboard interfaces

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 15 Sep 2026 22:21:47 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=252626

--- Comment #13 from Santiago Martinez <sm@codenetworks.net> ---
Hi Kevin, sorry for my late reply.
I have tested it on 15.1p3 and it work with both pass through true|false.
Adding this just for history.
Best regards

------ NIC ------
pciconf -lv ixl1
ixl1@pci0:25:0:1:       class=0x020000 rev=0x09 hdr=0x00 vendor=0x8086
device=0x37d2 subvendor=0x15d9 subdevice=0x37d2
    vendor     = 'Intel Corporation'
    device     = 'Ethernet Connection X722 for 10GBASE-T'
    class      = network
    subclass   = ethernet


------ CONFIG ------

cat /etc/iovctl.conf 
PF {
        device : "ixl1";
        num_vfs : 10;
}

DEFAULT {
       passthrough : false;
}


------ Create IOV ------
iovctl -C -f /etc/iovctl.conf


------ LIST iov ------
pciconf -l | grep iavf
iavf0@pci0:25:0:80:     class=0x020000 rev=0x09 hdr=0x00 vendor=0x8086
device=0x37cd subvendor=0x15d9 subdevice=0x0000
iavf1@pci0:25:0:81:     class=0x020000 rev=0x09 hdr=0x00 vendor=0x8086
device=0x37cd subvendor=0x15d9 subdevice=0x0000
iavf2@pci0:25:0:82:     class=0x020000 rev=0x09 hdr=0x00 vendor=0x8086
device=0x37cd subvendor=0x15d9 subdevice=0x0000
iavf3@pci0:25:0:83:     class=0x020000 rev=0x09 hdr=0x00 vendor=0x8086
device=0x37cd subvendor=0x15d9 subdevice=0x0000
iavf4@pci0:25:0:84:     class=0x020000 rev=0x09 hdr=0x00 vendor=0x8086
device=0x37cd subvendor=0x15d9 subdevice=0x0000
iavf5@pci0:25:0:85:     class=0x020000 rev=0x09 hdr=0x00 vendor=0x8086
device=0x37cd subvendor=0x15d9 subdevice=0x0000
iavf6@pci0:25:0:86:     class=0x020000 rev=0x09 hdr=0x00 vendor=0x8086
device=0x37cd subvendor=0x15d9 subdevice=0x0000
iavf7@pci0:25:0:87:     class=0x020000 rev=0x09 hdr=0x00 vendor=0x8086
device=0x37cd subvendor=0x15d9 subdevice=0x0000
iavf8@pci0:25:0:88:     class=0x020000 rev=0x09 hdr=0x00 vendor=0x8086
device=0x37cd subvendor=0x15d9 subdevice=0x0000
iavf9@pci0:25:0:89:     class=0x020000 rev=0x09 hdr=0x00 vendor=0x8086
device=0x37cd subvendor=0x15d9 subdevice=0x0000

------ Destroy IOV ------
iovctl -D -f /etc/iovctl.conf

------ List IOV ------
"none listed" as expected.

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