vmware timekeeping

Jeff Dickens jeff at m2.seamanpaper.com
Mon Jun 9 15:36:37 UTC 2008



Uwe Laverenz wrote:
> On Fri, Jun 06, 2008 at 04:23:41PM -0400, Jeff Dickens wrote:
>
>   
>> option turned on in ESX's .vmx file, and I have "hint.apic.0.disabled=1" 
>> in my FreeBSD guest's /boot/loader.conf.
>>     
>
> This shouldn't be necessary in FreeBSD >= 6.2.
>
>   
hmm.
>> I used to have "kern.hz=100" in loader.conf, but that caused the guest 
>> to gain time even faster.
>>     
>
> "100" is ok, I'm using this value on all virtual machines.
>
>   
>> Does anyone have a good recipe for decent timekeeping in this config?
>>     
>
> Is it possible to upgrade your ESX from 3.0.2 to 3.5x? If not, there is
> another setting on the ESX side that helps with timing problems (FreeBSD
> or Linux guests): change "Advanced Settings/Misc/Misc.Timer/MinHardPeriod"
> from 400 to 100 (this is default on ESX 3.5x).
>
>   
Unfortunately IBM has not certified my hardware (xSeries 226) with ESX 
3.5, and the installation just hangs, so I'm stuck on 3.0.2 for now.

Thanks, I will try that suggestion.

> Uwe
>
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