[Xen-users] cpufreq kernel line available parameters

[Kai Schaetzl <maillists@xxxxxxxxxxxxx>]

I'm using the cpufreq=dom0-kernel hypervisor kernel parameter to enable 
frequency scaling on the host machines for quite some time now. Since then 
I started to get the "Time went backwards" message on AMD machines (not on 
Intel machines). It's not a big problem, so I only research it once in a 
while when I stumble upon it from yet another direction. There's no really 
good explanation/solution to be found with googling.

It seems there's at least cpufreq=dom0-kernel and cpufreq=xen. It's not 
clear in which versions these are/were available and if there are any more 
options available or one that would make this machine go away (but keep 
the frequency scaling). Can someone shed some light on this?

I'm using CentOS 5.2 with Xen 3.2.0 and 3.2.1.

Kai

-- 
Kai Schätzl, Berlin, Germany
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