[Bug 30570] Re: CPU usage very high with no running tasks using it

[knubbe]

*** This bug is a duplicate of bug 30557 ***

I also get this bug on my system; Dell Inspiron 6000 (laptop), Intel
celeron M CPU, i915 graphics.

As stated in bug #30557 setting max_cstate to 2 would fix this, but it
didn't work on my system. However, setting max_cstate to 1 (mentioned
above), fixes it.  (ie: adding "echo 1 >
/sys/module/processor/parameters/max_cstate" in /etc/rc.local).

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CPU usage very high with no running tasks using it
https://launchpad.net/bugs/30570