F12 won't stop taking naps
awilliam at redhat.com
Sun Nov 8 19:26:00 UTC 2009
On Sun, 2009-11-08 at 11:16 -0600, Robert G. (Doc) Savage wrote:
> The first step in finding and fixing a problem is coming up with a
> description of the fault that helps you identify and focus on the
> misbehaving component. That's what I've been struggling with since F12's
> alpha release.
> The sympton is a ThinkPad W700 uber-laptop that seems to "nap"
> constantly. An example of a "nap" is a long pause -- several minutes --
> in one of the steps during a non-graphical startup. For example: between
> "Starting NFS statd:" and its "[ OK ]" completion. If I don't want to
> wait for the timeout, I can generate a hardware interrupt by
> left-clicking or touching the mouse or touchpad. I see from two to five
> such pause episodes during every startup, but they never occur at the
> same startup events.
Try booting with the kernel parameter 'nohz=off', does that help?
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