Date: Wed, 6 Sep 2017 14:46:46 -0700 From: Mark Millard <markmi@dsl-only.net> To: paul.koch@akips.com, FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org> Subject: Re: 11.1 running on HyperV hn interface hangs Message-ID: <CACB07AA-F39D-4333-9A3F-F12DE1ABE7A2@dsl-only.net>
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Paul Koch paul.koch at akips.com wrote on
Wed Sep 6 09:33:26 UTC 2017 :
> We recently moved our software from 11.0-p9 to 11.1-p1, but looks like =
there
> is a regression in 11.1-p1 running on HyperV (Windows/HyperV 2012 R2) =
where
> the virtual hn0 interface hangs with the following kernel messages:
>=20
> hn0: <Hyper-V Network Interface> on vmbus0
> hn0: Ethernet address: 00:15:5d:31:21:0f
> hn0: link state changed to UP
> ...
> hn0: RXBUF ack retry
> hn0: RXBUF ack failed
> last message repeated 571 times
>=20
> . . .
>=20
> Has anyone seen this problem before with 11.1 ?
While it is/was a personal use/experiment I have
used all the following under Windows 10 Pro's
Hyper-V with networking via hn0 Ethernet as seen
from the guest FreeBSD:
releng/11.1 (no longer around to remind me of the
most recent -r?????? but various updates )
stable/11 (various updates, -r320807 currently)
head (various updates, -r323147 currently)
I had no problems with my use. (By no means a traffic
match to your context but definitely used.)
In all cases the Virtual Switch Manager was tied to the
(builtin) "External network" that is listed as:
Intel(R) I211 Gigabit Network Connection
in the Virtual Switch Properties pop-up for
External network. The machine is not a server.
So not totally broken as far as I can tell. Something
more specific to your context would seem to also be
involved.
Hyper-V has worked nicely for assigning 14 of the machine's
16 hardware threads to FreeBSD and doing buildworld buildkernel
and poudriere based port builds. (Windows 10 Pro not being
otherwise busy.)
=3D=3D=3D
Mark Millard
markmi at dsl-only.net
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