Date: Thu, 7 Sep 2017 11:42:04 +0800 From: Sepherosa Ziehau <sephe@freebsd.org> To: Julian Elischer <julian@freebsd.org> Cc: freebsd-stable@freebsd.org, paul.koch137@gmail.com, Hongjiang Zhang <honzhan@microsoft.com> Subject: Re: 11.1 running on HyperV hn interface hangs Message-ID: <CAMOc5cw1BBBVTDoqiirEd7DpkZkP10yJjah0z=zH1vXoP6bhxw@mail.gmail.com> In-Reply-To: <CAMOc5cxQp1P3WnDf=Hgo8X0LmQfjCTowO=ya8VsWhu4cdTeajQ@mail.gmail.com> References: <20170906193309.796c79ed@akips.com> <3f96c7d0-4fbd-26cb-5c84-8868d12eb427@ingresso.co.uk> <14997bba-aac2-947b-9b78-04af41ea29b0@freebsd.org> <CAMOc5cxQp1P3WnDf=Hgo8X0LmQfjCTowO=ya8VsWhu4cdTeajQ@mail.gmail.com>
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Ignore ths hn_dec_txdesc.diff, please try this done; should be more effective: https://people.freebsd.org/~sephe/hn_inc_txbr.diff On Thu, Sep 7, 2017 at 10:22 AM, Sepherosa Ziehau <sephe@freebsd.org> wrote: > Is it possible to tell me your workload? e.g. TX heavy or RX heavy. > Enabled TSO or not. Details like how the send syscalls are issue will > be interesting. And your Windows version, include the patch level, > etc. > > Please try the following patch: > https://people.freebsd.org/~sephe/hn_dec_txdesc.diff > > Thanks, > sephe > > > On Wed, Sep 6, 2017 at 11:23 PM, Julian Elischer <julian@freebsd.org> wrote: >> On 6/9/17 7:02 pm, Pete French 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 ? >> >> make sure you contact the FreeBSD/Microsoft guys. Very responsive.. don't >> know if they watch -stable.. >> I'll cc a couple.. >> >>> >>> -pete. >>> _______________________________________________ >>> freebsd-stable@freebsd.org mailing list >>> https://lists.freebsd.org/mailman/listinfo/freebsd-stable >>> To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" >>> >> > > > > -- > Tomorrow Will Never Die -- Tomorrow Will Never Die
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