FreeBSD 10.2 RC2 under Windows 10 Hyper-V

Kylie Liang kyliel at
Mon Aug 10 00:32:40 UTC 2015

Gen2 VM is not supported for FreeBSD guest yet. Could you please share me why do you need this feature to help us prioritize it? Thank you.

-----Original Message-----
From: owner-freebsd-virtualization at [mailto:owner-freebsd-virtualization at] On Behalf Of C. L. Martinez
Sent: Monday, August 10, 2015 1:05 AM
To: freebsd-virtualization at
Subject: Re: FreeBSD 10.2 RC2 under Windows 10 Hyper-V

On Sun, Aug 9, 2015 at 11:12 AM, C. L. Martinez <carlopmart at> wrote:
> One more question about this topic. Is it possible to setup release 
> 10.2 rc3 as a generation2 VM with secure boot disabled??
> On Friday, August 7, 2015, C. L. Martinez <carlopmart at> wrote:
>> On Fri, Aug 7, 2015 at 9:21 AM, Wei Hu <weh at> wrote:
>> > What is your Hyper-V version, 2012R2, 2012 or earlier? UDP 
>> > offloading is not working Properly on 2012 and earlier Hyper-V. I 
>> > committed a patch r286058 to
>> > 10.2 release branch on July 30th to disable UDP offloading on these 
>> > releases. It might not be in RC2, should be in the upcoming RC3.
>> >
>> > Also is it working on any other 10.x releases on Hyper-V?
>> >
>> > Thanks,
>> > Wei
>> >
>> It is a Windows 10 Enterprise host. Some time ago, I was used Windows
>> 2012 R2 host and i need to disable tso and rx and tx checksums ...
>> But this is a Windows 10 host ...

Ok, more info about FreeBSD 10.2 RC3 relase under Hyper-V:

a) Generation2 VM doesn't works (I assume that it is expected) in Windows 2012 R2 and Windows 10 Hyper-V hosts (both fully patched)
b) PF rules doesn't works when freebsd runs as a virtual firewall under Windows 2012 R2 and Windows 10 Hyper-V hosts (both fully patched).

At this point, any idea how goes wrong??

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