The only way around it is to create a cronjob as root and reset to
ondemand every once and awhile:

cronjob -e

add a job (every minute)

*/1 * * * * /usr/bin/cpufreq-set -g ondemand -d 1000000 -u 1833000 -c 0
*/1 * * * * /usr/bin/cpufreq-set -g ondemand -d 1000000 -u 1833000 -c 1

Ugly as hell but at least it keeps the heat and battery drain out of my
system. Ubuntu really needs to get a grip on power saving =(

Btw. this is Ubuntu 10.10 - the Maverick Meerkat on an IBM X60

-- 
CPU Frequency Scaling defaults to "Performance" instead of "OnDemand"
https://bugs.launchpad.net/bugs/344252
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