Re: kern/55822: kernel panic in iavf0 attach

[Bert Kiers <kiers%original.xs4all.nl@localhost>]

On Tue, Nov 24, 2020 at 04:15:01PM +0000, kiers%original.xs4all.nl@localhost wrote:
> >Number:         55822
> >Category:       kern
> >Synopsis:       iavf0 attach: panic: kernel diagnostic assertion "!(pg->flags & PG_FREE)" failed: file "/home/kiers/git/NetBSD-current/src/sys/uvm/uvm_page.c", line 1449


A little more info:

NetBSD-current without the NIC passthrough works fine.

It does not matter if I passthrough a port of the X710 or a port of the X722.

On the FreeBSD side they probe as

ixl1: <Intel(R) Ethernet Connection X722 for 10GBASE-T - 2.3.0-k> mem 0xc3000000-0xc3ffffff,0xc5000000-0xc5007fff irq 36 at device 0.1 numa-domain 0 on pci8
ixl1: fw 3.1.49755 api 1.5 nvm 3.1d etid 80000827 oem 1.262.0
ixl1: PF-ID[1]: VFs 32, MSI-X 129, VF MSI-X 5, QPs 768, MDIO shared
ixl1: Using 1024 TX descriptors and 1024 RX descriptors
ixl1: Using 8 RX queues 8 TX queues
ixl1: Using MSI-X interrupts with 9 vectors
ixl1: Ethernet address: ac:1f:6b:4e:2a:2f
ixl1: Allocating 8 queues for PF LAN VSI; 8 queues active
ixl1: SR-IOV ready
ixl1: netmap queues/slots: TX 8/1024, RX 8/1024
ixl1: Link is up, 1 Gbps Full Duplex, Requested FEC: None, Negotiated FEC: None, Autoneg: True, Flow Control: None
ixl1: link state changed to UP

and

ixl2: <Intel(R) Ethernet Controller X710 for 10GbE SFP+ - 2.3.0-k> mem 0xfb000000-0xfb7fffff,0xfb818000-0xfb81ffff irq 48 at device 0.0 numa-domain 0 on pci11
ixl2: fw 8.13.63341 api 1.12 nvm 8.15 etid 80009616 oem 1.267.0
ixl2: The driver for the device detected a newer version of the NVM image than expected.
ixl2: Please install the most recent version of the network driver.
ixl2: PF-ID[0]: VFs 32, MSI-X 129, VF MSI-X 5, QPs 384, I2C
ixl2: Using 1024 TX descriptors and 1024 RX descriptors
ixl2: Using 8 RX queues 8 TX queues
ixl2: Using MSI-X interrupts with 9 vectors
ixl2: Ethernet address: 68:05:ca:2f:7c:50
ixl2: Allocating 8 queues for PF LAN VSI; 8 queues active
ixl2: PCI Express Bus: Speed 8.0GT/s Width x8
ixl2: SR-IOV ready
ixl2: netmap queues/slots: TX 8/1024, RX 8/1024
ixl2: Link is up, 10 Gbps Full Duplex, Requested FEC: None, Negotiated FEC: None, Autoneg: False, Flow Control: None
ixl2: link state changed to UP

Both ports are connected to a Cisco ME-4924-10GE running IOS 15.0(2)SG9 (ENTSERVICESK9)