On Fri, Sep 29, 2017 at 8:23 PM, Pete French <[email protected]> wrote:
>> Hmm, by ntpd I think you mean ntp client?  You will have to disable
>> timesync if you run ntp client:
>> sysctl hw.hvtimesync.sample_thresh=-1
>> sysctl hw.hvtimesync.ignore_sync=1
>>
>> They interfere w/ each other.
>
> Oh! Does this apply to machines in Azure Hyper-V as well as on standalone
> installations ? I wasn't aware of this, and have ntp on as standard (which
> I wil now turn off pending a reply to this email, as sods law says that now
> I am aware of it then I will get lockups over the weekend) :-)

It applies to both Azure and standalone Hyper-V.  In addition to the
sysctls I mentioned, you can also add tunable
hint.hvtimesync.0.disabled=1 to /boot/loader.conf to disable timesync,
if you want to use ntp.

Thanks,
sephe

-- 
Tomorrow Will Never Die
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