Not sure if helpful but im running an entire network gateway under
Hyper-V/Windows Server 2012 R2, with no IOMMU:

FreeBSD gateway.ourlan.net 11.1-STABLE FreeBSD 11.1-STABLE #0 r324941: Tue
Oct 24 20:19:02 BST 2017
r...@gateway.ourlan.net:/usr/obj/usr/src/sys/GATEWAY
amd64


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FreeBSD 11.1-STABLE #0 r324941: Tue Oct 24 20:19:02 BST 2017
    r...@gateway.ourlan.net:/usr/obj/usr/src/sys/GATEWAY amd64
FreeBSD clang version 5.0.0 (tags/RELEASE_500/final 312559) (based on LLVM
5.0.0svn)
VT(vga): text 80x25
Hyper-V Version: 6.3.9600 [SP17]

Features=0xc7f<VPRUNTIME,TMREFCNT,SYNIC,SYNTM,APIC,HYPERCALL,VPINDEX,IDLE,TMFREQ>
  PM Features=0x0 [C2]
  Features3=0x7b2<DEBUG,XMMHC,IDLE,NUMA,TMFREQ,SYNCMC,CRASH>
Timecounter "Hyper-V" frequency 10000000 Hz quality 2000
CPU: Intel(R) Xeon(R) CPU           E5430  @ 2.66GHz (2133.42-MHz K8-class
CPU)
  Origin="GenuineIntel"  Id=0x10676  Family=0x6  Model=0x17  Stepping=6

Features=0x1f83fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE,SSE2,SS,HTT>
  Features2=0x80082201<SSE3,SSSE3,CX16,SSE4.1,HV>
  AMD Features=0x20100800<SYSCALL,NX,LM>
  AMD Features2=0x1<LAHF>
Hypervisor: Origin = "Microsoft Hv"
real memory  = 8589934592 (8192 MB)
avail memory = 8277839872 (7894 MB)
Event timer "LAPIC" quality 100
ACPI APIC Table: <VRTUAL MICROSFT>
FreeBSD/SMP: Multiprocessor System Detected: 8 CPUs
FreeBSD/SMP: 1 package(s) x 8 core(s)
random: unblocking device.
ioapic0: Changing APIC ID to 0
ioapic0 <Version 1.1> irqs 0-23 on motherboard
SMP: AP CPU #3 Launched!
SMP: AP CPU #4 Launched!
SMP: AP CPU #1 Launched!
SMP: AP CPU #7 Launched!
SMP: AP CPU #5 Launched!
SMP: AP CPU #6 Launched!
SMP: AP CPU #2 Launched!
random: entropy device external interface
kbd1 at kbdmux0
netmap: loaded module
module_register_init: MOD_LOAD (vesa, 0xffffffff80fbbb30, 0) error 19
nexus0
vtvga0: <VT VGA driver> on motherboard
cryptosoft0: <software crypto> on motherboard
acpi0: <VRTUAL MICROSFT> on motherboard
acpi0: Power Button (fixed)
cpu0: <ACPI CPU> on acpi0
cpu1: <ACPI CPU> on acpi0
cpu2: <ACPI CPU> on acpi0
cpu3: <ACPI CPU> on acpi0
cpu4: <ACPI CPU> on acpi0
cpu5: <ACPI CPU> on acpi0
cpu6: <ACPI CPU> on acpi0
cpu7: <ACPI CPU> on acpi0
attimer0: <AT timer> port 0x40-0x43 irq 0 on acpi0
Timecounter "i8254" frequency 1193182 Hz quality 0
Event timer "i8254" frequency 1193182 Hz quality 100
atrtc0: <AT realtime clock> port 0x70-0x71 irq 8 on acpi0
atrtc0: registered as a time-of-day clock, resolution 1.000000s
Event timer "RTC" frequency 32768 Hz quality 0
Timecounter "ACPI-fast" frequency 3579545 Hz quality 900
acpi_timer0: <32-bit timer at 3.579545MHz> port 0x408-0x40b on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
vmbus0: <Hyper-V Vmbus> on pcib0
pci0: <ACPI PCI bus> on pcib0
isab0: <PCI-ISA bridge> at device 7.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel PIIX4 UDMA33 controller> port
0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xffa0-0xffaf at device 7.1 on pci0
ata0: <ATA channel> at channel 0 on atapci0
ata1: <ATA channel> at channel 1 on atapci0
pci0: <bridge> at device 7.3 (no driver attached)
vgapci0: <VGA-compatible display> mem 0xf8000000-0xfbffffff irq 11 at
device 8.0 on pci0
vgapci0: Boot video device
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: [GIANT-LOCKED]
psm0: model IntelliMouse Explorer, device ID 4
uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
uart1: <16550 or compatible> port 0x2f8-0x2ff irq 3 on acpi0
fdc0: <floppy drive controller (FDE)> port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on
acpi0
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
vmbus_res0: <Hyper-V Vmbus Resource> irq 5,7 on acpi0
orm0: <ISA Option ROM> at iomem 0xc0000-0xcbfff on isa0
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
ppc0: cannot reserve I/O port range
ZFS filesystem version: 5
ZFS storage pool version: features support (5000)
Timecounters tick every 1.000 msec
usb_needs_explore_all: no devclass
nvme cam probe device init
vmbus0: version 3.0
hvet0: <Hyper-V event timer> on vmbus0
Event timer "Hyper-V" frequency 10000000 Hz quality 1000
storvsc0: <Hyper-V IDE> on vmbus0
hvkbd0: <Hyper-V KBD> on vmbus0
hvheartbeat0: <Hyper-V Heartbeat> on vmbus0
hvkvp0: <Hyper-V KVP> on vmbus0
hvshutdown0: <Hyper-V Shutdown> on vmbus0
hvtimesync0: <Hyper-V Timesync> on vmbus0
hn0: <Hyper-V Network Interface> on vmbus0
da0 at blkvsc0 bus 0 scbus2 target 0 lun 0
da0: <Msft Virtual Disk 1.0> Fixed Direct Access SPC-3 SCSI device
da0: 300.000MB/s transfers
da0: Command Queueing enabled
da0: 25600MB (52428800 512 byte sectors)
cd0 at ata1 bus 0 scbus1 target 0 lun 0
cd0: <Msft Virtual CD/ROM 1.0> Removable CD-ROM SPC-3 SCSI device
cd0: 16.700MB/s transfers (WDMA2, ATAPI 12bytes, PIO 65534bytes)
cd0: Attempt to query device size failed: NOT READY, Medium not present
hn0: Ethernet address: 00:15:5d:00:25:0b
hn0: link state changed to UP
hn1: <Hyper-V Network Interface> on vmbus0
hn1: Ethernet address: 00:15:5d:00:25:0c
hn1: link state changed to UP
hn2: <Hyper-V Network Interface> on vmbus0
hn2: Ethernet address: 00:15:5d:00:25:0d
hn2: link state changed to UP
hn3: <Hyper-V Network Interface> on vmbus0
hn3: Ethernet address: 00:15:5d:00:25:0e
hn3: link state changed to UP
hn4: <Hyper-V Network Interface> on vmbus0
hn4: Ethernet address: 00:15:5d:00:25:0f
hn4: link state changed to UP
Trying to mount root from zfs:zroot []...
bridge0: Ethernet address: 02:98:0d:24:71:00
bridge0: link state changed to UP
hn0: promiscuous mode enabled
hn1: promiscuous mode enabled
hn2: promiscuous mode enabled
pflog0: promiscuous mode enabled
tun0: link state changed to UP
WARNING: attempt to domain_add(netgraph) after domainfinalize()
ipfw2 (+ipv6) initialized, divert loadable, nat loadable, default to deny,
logging disabled



On 29 November 2017 at 01:54, Daniel Jewell <danieljew...@gmail.com> wrote:

> Hello All,
>
> I just did an install of 11.1 and fully updated. Ever since the
> install, I get a kernel message from the Hyper-V VSS module:
>
> hvvss0: Unknown opt from host: 4
>
> The message repeats regularly (30 seconds? 60 seconds?)... The VSS
> module is loaded at boot and seems to initialize OK:
>
> hvvss0: <Hyper-V VSS> on vmbus0
>
> I did the requisite searches for any possible answers and turned up
> nothing. I haven't attempted a backup with VSS yet.
>
> Environment is running a Dell EqualLogic iSCSI SAN as the cluster
> storage and the cluster hosts do have the Dell EqualLogic MPIO drivers
> on and active as well as the Dell HIT kit - which does include a
> Hardware VSS provider to integrate snapshot functionality on the SAN.
> However, since I haven't called any backup routines, it shouldn't be
> affecting this VM instance.
>
> I also reviewed the Windows Event Log(s) - nothing stands out that I
> can see in the Hyper-V logs, Application, or System.
>
> Any suggestions? :)
>
> Best,
>
> -Daniel Jewell
> _______________________________________________
> freebsd-virtualization@freebsd.org mailing list
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>
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