Details from working guest 18.04
$ lsmod
Module Size Used by
isofs 45056 0
nls_iso8859_1 16384 1
kvm_intel 217088 0
kvm 614400 1 kvm_intel
irqbypass 16384 1 kvm
crct10dif_pclmul 16384 0
crc32_pclmul 16384 0
ghash_clmulni_intel 16384 0
input_leds 16384 0
joydev 24576 0
serio_raw 16384 0
sch_fq_codel 20480 6
ib_iser 49152 0
rdma_cm 61440 1 ib_iser
iw_cm 45056 1 rdma_cm
ib_cm 53248 1 rdma_cm
ib_core 221184 4 rdma_cm,iw_cm,ib_iser,ib_cm
iscsi_tcp 20480 0
libiscsi_tcp 20480 1 iscsi_tcp
libiscsi 53248 3 libiscsi_tcp,iscsi_tcp,ib_iser
scsi_transport_iscsi 98304 3 iscsi_tcp,ib_iser,libiscsi
ip_tables 28672 0
x_tables 40960 1 ip_tables
autofs4 40960 2
btrfs 1150976 0
zstd_compress 163840 1 btrfs
raid10 53248 0
raid456 147456 0
async_raid6_recov 20480 1 raid456
async_memcpy 16384 2 raid456,async_raid6_recov
async_pq 16384 2 raid456,async_raid6_recov
async_xor 16384 3 async_pq,raid456,async_raid6_recov
async_tx 16384 5
async_pq,async_memcpy,async_xor,raid456,async_raid6_recov
xor 24576 2 async_xor,btrfs
raid6_pq 114688 4 async_pq,btrfs,raid456,async_raid6_recov
libcrc32c 16384 1 raid456
raid1 40960 0
raid0 20480 0
multipath 16384 0
linear 16384 0
hid_generic 16384 0
usbhid 49152 0
hid 118784 2 usbhid,hid_generic
virtio_net 49152 0
aesni_intel 188416 0
aes_x86_64 20480 1 aesni_intel
crypto_simd 16384 1 aesni_intel
cryptd 24576 3 crypto_simd,ghash_clmulni_intel,aesni_intel
glue_helper 16384 1 aesni_intel
virtio_blk 20480 3
psmouse 151552 0
floppy 77824 0
i40evf 98304 0
$ lspci -v
00:00.0 Host bridge: Intel Corporation 440FX - 82441FX PMC [Natoma] (rev 02)
Subsystem: Red Hat, Inc. Qemu virtual machine
Flags: fast devsel
00:01.0 ISA bridge: Intel Corporation 82371SB PIIX3 ISA [Natoma/Triton II]
Subsystem: Red Hat, Inc. Qemu virtual machine
Flags: medium devsel
00:01.1 IDE interface: Intel Corporation 82371SB PIIX3 IDE [Natoma/Triton II]
(prog-if 80 [ISA Compatibility mode-only controller, supports bus mastering])
Subsystem: Red Hat, Inc. Qemu virtual machine
Flags: bus master, medium devsel, latency 0
[virtual] Memory at 000001f0 (32-bit, non-prefetchable) [size=8]
[virtual] Memory at 000003f0 (type 3, non-prefetchable)
[virtual] Memory at 00000170 (32-bit, non-prefetchable) [size=8]
[virtual] Memory at 00000370 (type 3, non-prefetchable)
I/O ports at c0e0 [size=16]
Kernel driver in use: ata_piix
00:01.3 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ACPI (rev 03)
Subsystem: Red Hat, Inc. Qemu virtual machine
Flags: medium devsel, IRQ 9
00:02.0 VGA compatible controller: Cirrus Logic GD 5446 (prog-if 00 [VGA
controller])
Subsystem: Red Hat, Inc. QEMU Virtual Machine
Flags: fast devsel
Memory at fc000000 (32-bit, prefetchable) [size=32M]
Memory at feb90000 (32-bit, non-prefetchable) [size=4K]
Expansion ROM at 000c0000 [disabled] [size=128K]
Kernel modules: cirrusfb
00:03.0 Ethernet controller: Red Hat, Inc. Virtio network device
Subsystem: Red Hat, Inc. Virtio network device
Physical Slot: 3
Flags: bus master, fast devsel, latency 0, IRQ 11
I/O ports at c040 [size=32]
Memory at feb91000 (32-bit, non-prefetchable) [size=4K]
Memory at fe010000 (64-bit, prefetchable) [size=16K]
Expansion ROM at feb00000 [disabled] [size=512K]
Capabilities: [98] MSI-X: Enable+ Count=3 Masked-
Capabilities: [84] Vendor Specific Information: VirtIO: <unknown>
Capabilities: [70] Vendor Specific Information: VirtIO: Notify
Capabilities: [60] Vendor Specific Information: VirtIO: DeviceCfg
Capabilities: [50] Vendor Specific Information: VirtIO: ISR
Capabilities: [40] Vendor Specific Information: VirtIO: CommonCfg
Kernel driver in use: virtio-pci
00:04.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI
Controller #1 (rev 03) (prog-if 00 [UHCI])
Subsystem: Red Hat, Inc. QEMU Virtual Machine
Flags: bus master, fast devsel, latency 0, IRQ 11
I/O ports at c060 [size=32]
Kernel driver in use: uhci_hcd
00:04.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI
Controller #2 (rev 03) (prog-if 00 [UHCI])
Subsystem: Red Hat, Inc. QEMU Virtual Machine
Flags: bus master, fast devsel, latency 0, IRQ 10
I/O ports at c080 [size=32]
Kernel driver in use: uhci_hcd
00:04.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI
Controller #3 (rev 03) (prog-if 00 [UHCI])
Subsystem: Red Hat, Inc. QEMU Virtual Machine
Flags: bus master, fast devsel, latency 0, IRQ 10
I/O ports at c0a0 [size=32]
Kernel driver in use: uhci_hcd
00:04.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI
Controller #1 (rev 03) (prog-if 20 [EHCI])
Subsystem: Red Hat, Inc. QEMU Virtual Machine
Flags: bus master, fast devsel, latency 0, IRQ 11
Memory at feb92000 (32-bit, non-prefetchable) [size=4K]
Kernel driver in use: ehci-pci
00:05.0 SCSI storage controller: Red Hat, Inc. Virtio block device
Subsystem: Red Hat, Inc. Virtio block device
Physical Slot: 5
Flags: bus master, fast devsel, latency 0, IRQ 10
I/O ports at c000 [size=64]
Memory at feb93000 (32-bit, non-prefetchable) [size=4K]
Memory at fe014000 (64-bit, prefetchable) [size=16K]
Capabilities: [98] MSI-X: Enable+ Count=2 Masked-
Capabilities: [84] Vendor Specific Information: VirtIO: <unknown>
Capabilities: [70] Vendor Specific Information: VirtIO: Notify
Capabilities: [60] Vendor Specific Information: VirtIO: DeviceCfg
Capabilities: [50] Vendor Specific Information: VirtIO: ISR
Capabilities: [40] Vendor Specific Information: VirtIO: CommonCfg
Kernel driver in use: virtio-pci
00:06.0 Ethernet controller: Intel Corporation Ethernet Virtual Function 700
Series (rev 02)
Subsystem: Intel Corporation Ethernet Virtual Function 700 Series
Physical Slot: 6
Flags: bus master, fast devsel, latency 0
Memory at fe000000 (64-bit, prefetchable) [size=64K]
Memory at fe018000 (64-bit, prefetchable) [size=16K]
Capabilities: [70] MSI-X: Enable+ Count=5 Masked-
Capabilities: [a0] Express Endpoint, MSI 00
Kernel driver in use: i40evf
Kernel modules: i40evf
00:07.0 Unclassified device [00ff]: Red Hat, Inc. Virtio memory balloon
Subsystem: Red Hat, Inc. Virtio memory balloon
Physical Slot: 7
Flags: bus master, fast devsel, latency 0, IRQ 11
I/O ports at c0c0 [size=32]
Memory at fe01c000 (64-bit, prefetchable) [size=16K]
Capabilities: [84] Vendor Specific Information: VirtIO: <unknown>
Capabilities: [70] Vendor Specific Information: VirtIO: Notify
Capabilities: [60] Vendor Specific Information: VirtIO: DeviceCfg
Capabilities: [50] Vendor Specific Information: VirtIO: ISR
Capabilities: [40] Vendor Specific Information: VirtIO: CommonCfg
Kernel driver in use: virtio-pci
$ modinfo i40evf
filename:
/lib/modules/4.15.0-117-generic/kernel/drivers/net/ethernet/intel/i40evf/i40evf.ko
version: 3.0.1-k
license: GPL
description: Intel(R) XL710 X710 Virtual Function Network Driver
author: Intel Corporation, <[email protected]>
srcversion: FE6D734AA159CB682BFE70E
alias: pci:v00008086d00001889sv*sd*bc*sc*i*
alias: pci:v00008086d000037CDsv*sd*bc*sc*i*
alias: pci:v00008086d00001571sv*sd*bc*sc*i*
alias: pci:v00008086d0000154Csv*sd*bc*sc*i*
depends:
retpoline: Y
intree: Y
name: i40evf
vermagic: 4.15.0-117-generic SMP mod_unload
signat: PKCS#7
signer:
sig_key:
sig_hashalgo: md4
$ dpkg -S
/lib/modules/4.15.0-117-generic/kernel/drivers/net/ethernet/intel/i40evf/i40evf.ko
Linux-modules-4.15.0-117-generic:
/lib/modules/4.15.0-117-generic/kernel/drivers/net/ethernet/intel/i40evf/i40evf.ko
-----------------------------------------------------------------------------
Reduced kernal enviroment 20.04
$ modinfo i40evf
modinfo: ERROR: Module i40evf not found.
/lib/modules# ls
5.4.0-1023-kvm 5.4.0-47-generic
the generic module is installed but it seems the kvm one was not removed
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https://bugs.launchpad.net/bugs/1892422
Title:
Pci passthrough interface not showing up in Ubuntu 20.04 but does show
in 18.04
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https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1892422/+subscriptions
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