Re: MS DNS doesn't answer to CURRENT under Hyper-V

Sorry, I misread part of your email, and thought you were using Azure
(which is Hyper-V based).

Sorry for the noise.

Glen

On Tue, Jul 07, 2015 at 05:10:30PM +0300, Pavel Timofeev wrote:
> No, I don't even know what VMDepot is, sorry! Didn't know ;)
> 
> 2015-07-07 16:58 GMT+03:00 Glen Barber <gjb_at_freebsd.org>:
> > BTW, are you using the images from VMDepot?  If so, this was MFC'd after
> > the recent images.  I can easily regenerate an updated image, if you are
> > using those.
> >
> > Glen
> >
> > On Tue, Jul 07, 2015 at 04:55:39PM +0300, Pavel Timofeev wrote:
> >> Wow, r284746 was MFCed to 10 STABLE!
> >> I should hurry up!
> >>
> >> 2015-07-07 16:26 GMT+03:00 Pavel Timofeev <timp87_at_gmail.com>:
> >> > Ok, I'll try r284745 and then r284746 and see what happens.
> >> >
> >> > 2015-07-07 16:06 GMT+03:00 Wei Hu <weh_at_microsoft.com>:
> >> >>> -----Original Message-----
> >> >>> From: owner-freebsd-virtualization_at_freebsd.org [mailto:owner-freebsd-
> >> >>> virtualization_at_freebsd.org] On Behalf Of Pavel Timofeev
> >> >>> Sent: Tuesday, July 7, 2015 7:51 PM
> >> >>> To: freebsd-current_at_freebsd.org; freebsd-virtualization_at_freebsd.org
> >> >>> Subject: MS DNS doesn't answer to CURRENT under Hyper-V
> >> >>>
> >> >>> Hi!
> >> >>> I have a test virtual machine which runs CURRENT under Hyper-V. It's
> >> >>> amd64 r285198 now.
> >> >>> It can't get any response from MS DNS server. Well, it could two or three
> >> >>> weeks ago, but after upgrade it's not able to do it anymore.
> >> >>> Google DNS answers without problems meanwhile (sic!).
> >> >>>
> >> >>> What I do:
> >> >>> # host google.ru 192.168.25.3
> >> >>> I see that MS DNS (192.168.25.3) server receives these packets, but ignores
> >> >>> them.
> >> >>> And no matter how my system asks MS DNS. Every daemon can't get
> >> >>> response too.
> >> >>>
> >> >>> I know that nothing was changed in MS DNS server. No doubt.
> >> >>> Then I tried different available CURRENT snapshot ISOs.
> >> >>>
> >> >>> FreeBSD-11.0-CURRENT-amd64-20150630-r284969-disc1.iso - MS DNS does
> >> >>> not answer.
> >> >>>
> >> >>> FreeBSD-11.0-CURRENT-amd64-20150625-r284814-disc1.iso - MS DNS does
> >> >>> not answer.
> >> >>>
> >> >>> FreeBSD-11.0-CURRENT-amd64-20150618-r284544-disc1.iso - MS DNS
> >> >>> answers!
> >> >>>
> >> >>> So something was committed to CURRENT between 20150618 and 20150625.
> >> >>> This something ruins communication with MS DNS.
> >> >>>
> >> >> There was a commit for Hyper-V TSO and checksum offloading support  (r284746) on
> >> >> June 24th. I think this commit is the cause. Can you verify the MS DNS behavior between
> >> >> The builds of June 23rd and 24th? I will take a look of this issue tomorrow.
> >> >>
> >> >> Thanks,
> >> >> Wei
> >> >>
> >> >>
> >> >>
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