Comment 30 for bug 213818

Same issue for me, Kubuntu 8.04 on a HP nx8220. I suffer from thermal shutdowns due to heavy cpu loads. On several occasions (while running cpu intensive apps) I also have nearly 90% cpu load from kacpid and acpid_notify (there is another bug report elsewhere).

My cpu temperature is NOT updated (acpi displays constant 16 C, which is of course ridiculous), and the fan is not spinning when cpu temp rises. The problem appeared suddenly, I never had any issues with Hardy. Booting into the Intrepid live cd made no difference. However, the problem disappears when I boot with acpi=off. Hence, some acpi or kernel bug makes ubuntu with acpi unusable, at least for me.