11.1 running on HyperV hn interface hangs

[Pete French]

> 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) :-)

-pete.