how to set kernel option hpet=disable?

[sillyVM]

I am running a ubuntu/debian server, with some messy message in kern.log showing

Jul 16 15:39:14 vm-dev kernel: [72478.932750] /dev/vmmon[4367]: host clock rate change request 1043 -> 200
Jul 16 15:39:15 vm-dev kernel: [72479.771426] /dev/vmmon[4367]: host clock rate change request 200 -> 1043
Jul 16 15:39:59 vm-dev kernel: [72523.811156] /dev/vmmon[4367]: host clock rate change request 1043 -> 200
Jul 16 15:40:00 vm-dev kernel: [72524.629374] /dev/vmmon[4367]: host clock rate change request 200 -> 1043
Jul 16 15:41:41 vm-dev kernel: [72625.727662] /dev/vmmon[4367]: host clock rate change request 1043 -> 200
Jul 16 15:41:59 vm-dev kernel: [72643.609845] /dev/vmmon[4367]: host clock rate change request 200 -> 1043
Jul 16 15:42:09 vm-dev kernel: [72653.605553] /dev/vmmon[4367]: host clock rate change request 1043 -> 200
Jul 16 15:42:43 vm-dev kernel: [72687.396964] /dev/vmmon[4367]: host clock rate change request 200 -> 1043
Jul 16 15:43:15 vm-dev kernel: [72719.916804] /dev/vmmon[4367]: host clock rate change request 1043 -> 200
Jul 16 15:43:16 vm-dev kernel: [72720.871710] /dev/vmmon[4367]: host clock rate change request 200 -> 1043

you can see it's pretty frequent, with a little research, i found out somebody suggest doing this "boot with kernel option hpet=disable". My question is do I recompile it or is it changing a configuration file then simply reboot operation?

Please help me figure out how to set this config. Thanks.

 

[stefanwagner]

read
/usr/src/linux-source-$VERSION/Documentation/hpet.txt
and
/usr/src/linux-source-$VERSION/Documentation/kernel-parameters.txt

if you got the kernel-source on your machine.

man sysctl.conf
and
/etc/sysctl.conf
might be interesting points too.

If the advice is correct, adding the option to the kernel-line of /boot/grub/menu.lst should be sufficient.
But is it simply hpet=disable or kernel.hpet=disable?

Do you find something with:

find /proc/sys -name "hpet"

?

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