Ubuntu 11.04 - Grub 2

I am having a problem with a boot configuration.

My system will hang until I move the mouse or press a key on the keyboard. I use manual time and in the span of an hour my system clock will be 15 minutes off.

The research I have done tells me that the problem is with Dynamic Ticks. The workaround is to disable dynamic ticks in my boot options.

CONFIG_NO_HZ=n

I think I am adding the line:
CONFIG_NO_HZ=n to my /etc/default/grub file (sudo gedit /etc/default/grub)

Then running (sudo update-grub)

Does this sound right? I am a newb and don't want to mess anything up.

Thanks in advance.

nohz=off on the kernel command line might work, but what you wrote above is a kernel configuration option for a kernel recompilation.

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mostlyharmless is right, change your CONFIG_NO_HZ to nohz. The rest of your solution is right.

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