Date: Wed, 6 Sep 2017 21:08:29 +1000 From: Paul Koch <paul.koch137@gmail.com> To: Pete French <petefrench@ingresso.co.uk> Cc: freebsd-stable@freebsd.org Subject: Re: 11.1 running on HyperV hn interface hangs Message-ID: <20170906210830.469cbd38@splash.akips.com> In-Reply-To: <3f96c7d0-4fbd-26cb-5c84-8868d12eb427@ingresso.co.uk> References: <20170906193309.796c79ed@akips.com> <3f96c7d0-4fbd-26cb-5c84-8868d12eb427@ingresso.co.uk>
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On Wed, 6 Sep 2017 12:02:43 +0100 Pete French <petefrench@ingresso.co.uk> wrote: > > 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: > > > > 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 > > > > It requires a restart of the HyperV VM. > > > > This is a customer production server (remote customer ~4000km away) > > running fairly critical monitoring software, so we needed to roll it back > > to 11.0-p9. We only have two customers running our software in HyperV, vs > > lots in VMware and a handful on physical hardware. > > > > 11.0-p9 has been very stable. Has anyone seen this problem before with > > 11.1 ? > > > I don't run anything on local hyper-v anymore, but I do run a ot of > stuff in Azure, and we havent seen anything like this. I track STABLE > for things though, updating after reading the commits and testing > locally for a week or so, so the version I am running currently is > r320175, which was part of 11.1-BETA2. I am going to upgrade to a more > recent STABLE sometime this weke or next though, will do that on a test > amchine and let you now how it goes. > > I seem to recall that there were some large changes to the hn code in > August to add virtual function support. When does 11.1-p1 date from ? Looks like 2017-08-10 Paul.
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