I thought it would be better to outline the solution instead of just
giving a link with my vague description.

Make a new file (with sudo) in /etc/acpi/suspend.d  called "04-set-cpu-
scaling.sh" containing:

#!/bin/sh

echo powersave > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor

Make another file (with sudo) in /etc/acpi/resume.d called "99-reset-
cpu-scaling.sh" containing:

#!/bin/sh

echo ondemand > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor


Also make sure to chmod ugo+x for both files.

ls -l should give:
-rwxr-xr-x 1 root root   81 2007-03-19 21:40 99-reset-cpu-scaling.sh

-- 
suspend/resume broken on Lenovo 3000 N100 
https://bugs.launchpad.net/bugs/63834
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