vmware calcru runtime went backward and huge inaccuracy in clock

[Putinas Piliponis]

As additional test I have copied 6.0-STABLE to another host
under VMWare 5.0 where 5.4-STABLE doesn't have issues with clock.
Behaviour of 6 is same. So for me looks it's a FreeBSD 6.0 thing now.


-----Original Message-----
From: owner-freebsd-current at freebsd.org
[mailto:owner-freebsd-current at freebsd.org] On Behalf Of Putinas
Piliponis
Sent: Tuesday, December 06, 2005 8:52 AM
To: freebsd-current at freebsd.org
Subject: vmware calcru runtime went backward and huge inaccuracy in
clock

Hey,

 

I know I am not the first who brings up this problem. But browsing
trough mail archives I didn't found a working solution.

I am running vmware 5.5 currently and FreeBSD 6.0-RELEASE. After
upgrading from 5.4 (at the same time I upgraded vmware from 5.0 so can't
really say which fault is it).

I noticed what I don't get daily reports. After small investigation I
found out what clock inaccuracy is like in 2 minutes I get 1 minute time
delay from real clock.

(I wait 2 minutes, I do ntpdate with server, I get every time offset 60
seconds)

I tried all kern.timecounter.hardware available options (ACPI-Fast,
i8254, TSC)

pretty much same result with all of them.

 

Time on host machine is accurate.

As well I have on other host (with same hardware) running VMware 5.0
with FreeBSD 5.4

with timecounter.hardware: ACPI-safe and time accuracy there is like 60s
in 24h (or normal in other words).

 

 

Soo.. here comes my question, is it vmware fault, or is it FreeBSD
fault?

And any suggestions what I can do about ?

 

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