Public bug reported:

Binary package hint: kde-guidance-powermanager

After suspending and resuming a laptop (Core Duo T2500, IBM T60), the
clock speed of  one CPU core goes up to maximum (2.0 GHz at me). The
another core remains at low speed (certainly, no process consumes the
CPU except minimal CPU usage of the usual ones like Xorg, etc.).

If I run

sudo powernowd

the clock speeds fall back to normal state (until next suspend/resume).

Release: Kubuntu 6.10, nothing special.

** Affects: kde-guidance (Ubuntu)
     Importance: Undecided
         Status: Unconfirmed

-- 
100% CPU clock speed after suspend
https://launchpad.net/bugs/72108

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