Hyper-V networking: problem after upgrade to 10.2
Kylie Liang
kyliel at microsoft.com
Tue Jan 26 12:35:38 UTC 2016
Hi Jac,
Thank you for asking. To isolate your issue, could you please try disabling SO on your 10.2 system first? Thank you.
And I would like to confirm with you
1) You met issue for 10.2 kernel + 10.2 system
2) No issue for 10.1 kernel + 10.1 system
3) No issue for 10.1 kernel + 10.2 system
Right? And add our engineers in the list.
Thanks,
Kylie Liang
-----Original Message-----
From: owner-freebsd-virtualization at freebsd.org [mailto:owner-freebsd-virtualization at freebsd.org] On Behalf Of Jac Backus
Sent: Tuesday, January 26, 2016 5:56 AM
To: 'freebsd-virtualization at freebsd.org' <freebsd-virtualization at freebsd.org>
Subject: Hyper-V networking: problem after upgrade to 10.2
Dear reader,
Today, I did upgrade FreeBSD 10.1 to 10.2 running on Hyper-V on a full patched Windows Server 2012 R2 x64 version.
After the update, networking does not work anymore.
In /var/log/messages is this:
Jan 25 21:02:01 mercurius kernel: hn0: <Synthetic Network Interface> on vmbus0 Jan 25 21:02:01 mercurius kernel: hn0: unknown status 1073872902 received Jan 25 21:02:01 mercurius kernel: hn0: unknown status 1073872902 received Jan 25 21:02:01 mercurius kernel: hn0: hv send offload request succeeded Jan 25 21:02:01 mercurius kernel: hn0: Using defaults for TSO: 65518/35/2048 Jan 25 21:02:01 mercurius kernel: hn0: Ethernet address: 00:15:5d:ac:11:08 Jan 25 21:02:01 mercurius kernel: hn1: <Synthetic Network Interface> on vmbus0 Jan 25 21:02:01 mercurius kernel: hn1: unknown status 1073872902 received Jan 25 21:02:01 mercurius kernel: hn1: unknown status 1073872902 received Jan 25 21:02:01 mercurius kernel: hn1: hv send offload request succeeded Jan 25 21:02:01 mercurius kernel: hn1: Using defaults for TSO: 65518/35/2048 Jan 25 21:02:01 mercurius kernel: hn1: Ethernet address: 00:15:5d:ac:11:09 Jan 25 21:02:01 mercurius kernel: hn2: <Synthetic Network Interface> on vmbus0 Jan 25 21:02:01 mercurius kernel: hn2: unknown status 1073872902 received Jan 25 21:02:01 mercurius kernel: hn2: unknown status 1073872902 received Jan 25 21:02:01 mercurius kernel: hn2: hv send offload request succeeded Jan 25 21:02:01 mercurius kernel: hn2: Using defaults for TSO: 65518/35/2048 Jan 25 21:02:01 mercurius kernel: hn2: Ethernet address: 00:15:5d:ac:11:07
It worked fine with the 10.1 kernel, and when I boot this kernel, it works again:
Jan 25 22:20:02 mercurius kernel: hn0: <Synthetic Network Interface> on vmbus0 Jan 25 22:20:02 mercurius kernel: hn0: Ethernet address: 00:15:5d:ac:11:07 Jan 25 22:20:02 mercurius kernel: hn1: <Synthetic Network Interface> on vmbus0 Jan 25 22:20:02 mercurius kernel: hn1: Ethernet address: 00:15:5d:ac:11:08 Jan 25 22:20:02 mercurius kernel: hn2: <Synthetic Network Interface> on vmbus0 Jan 25 22:20:02 mercurius kernel: hn2: Ethernet address: 00:15:5d:ac:11:09
So I am running a 10.2 system on a 10.1 kernel at the moment.
I found nothing in /usr/src/UPDATING and not really anything on the net.
So, could you tell why does this happen, and how can I solve this?
Thanks for the help!
With kind regards,
Jac Backus
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