Public bug reported:

The exact same set up (hardware and commands I have made) worked
perfectly on Ubuntu 14.04 but I can't get it working with 16.04. The
only thing I have changed between the 2 setups is adding <driver
name='kvm'/> to the network definition as the now default vfio also
failed with

qemu-system-x86_64: vfio_dma_map(0x55f1c4f8bb00, 0xfe000000, 0x4000, 
0x7fa687700000) = -14 (Bad address)
qemu: hardware error: vfio: DMA mapping failed, unable to continue

If I am doing something wrong I apologise, this is my first bug report
and I'm still relatively new to Linux.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-42-generic 4.4.0-42.62
ProcVersionSignature: Ubuntu 4.4.0-42.62-generic 4.4.21
Uname: Linux 4.4.0-42-generic x86_64
 total 0
 crw-rw---- 1 root audio 116,  1 Oct 14 20:11 seq
 crw-rw---- 1 root audio 116, 33 Oct 14 20:11 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', 
'/dev/snd/timer'] failed with exit code 1:
Date: Fri Oct 14 23:05:26 2016
HibernationDevice: RESUME=UUID=bb1632fb-69fe-4d67-bc51-8182d2546d91
InstallationDate: Installed on 2016-10-08 (6 days ago)
InstallationMedia: Ubuntu-Server 16.04.1 LTS "Xenial Xerus" - Release amd64 
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-42-generic 
root=UUID=07b95c7c-db77-4cee-8336-6f24b2072da6 ro pcie_aspm=off intel_iommu=on 
iommu=pt pci=assign-busses quiet splash vt.handoff=7
 linux-restricted-modules-4.4.0-42-generic N/A
 linux-backports-modules-4.4.0-42-generic  N/A
 linux-firmware                            1.157.4
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install) 09/15/2015
dmi.bios.vendor: FUJITSU // American Megatrends Inc.
dmi.bios.version: V4.6.5.4 R1.5.0 for D3219-A1x D3219-A1
dmi.board.vendor: FUJITSU
dmi.board.version: S26361-D3219-A1
dmi.chassis.type: 6
dmi.chassis.vendor: FUJITSU
dmi.chassis.version: TX1310M1
dmi:bvnFUJITSU//AmericanMegatrendsInc.:bvrV4.6.5.4R1.5.0forD3219-A1x:bd09/15/2015:svnFUJITSU:pnPRIMERGYTX1310M1:pvr:rvnFUJITSU:rnD3219-A1:rvrS26361-D3219-A1:cvnFUJITSU:ct6:cvrTX1310M1: PRIMERGY TX1310 M1
dmi.sys.vendor: FUJITSU

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

** Tags: amd64 apport-bug xenial

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  sr-iov not working on ubuntu 16.04 kvm

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