[Info-vax] clock problems with OpenVMS x86 on VirtualBox

[Dan Cross]

In article <8cba8b92-ddbb-4f30-8e29-9563a9c7224dn at googlegroups.com>,
David Jones  <osuvman50 at gmail.com> wrote:
>On Monday, May 15, 2023 at 10:33:11 AM UTC-4, Clair Grant wrote:
>> Of course you are right. My test did not prove anything. That was really stupid.
>
>I resurrected a 30 year old Fortran program that did an NTP query to a server
>and reported the time difference. I stopped the local NTP server (and no DTSS
>running either) and used a command procedure to query every 10 minutes for
>18 hours. There was no drift seen, so VirtualBox was apparently keeping the 
>clock interrupt stable (or my laptop has a very good clock).

In fairness to your laptop, it probably has a very good clock.
Drift of the kind discussed in this thread would take place over
days or weeks, not just hours.

	- Dan C.