Same deal happens in Edgy x86 on a Thinkpad T60p and Feisty x86 on a Uniwill X20II1 (both have Core2 Duo) when suspend-to-disk. My fix is to append the following to /etc/acpi/resume.d/69-services.sh after #!/bin/sh
# fix for second core scaling echo ondemand > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor No need to restart powernowd or echo ondemand to the scaling_governor file on resume from suspend. -- Core 2 Duo, on resume 2nd core frequency scaling reset https://launchpad.net/bugs/78512 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
