Could the k8temp driver be interfering with ACPI?

Recently my notebook has started shutting down with
these messages in the logs:

	ACPI: Critical trip point
	Critical temperature reached (128 C), shutting down.

But it didn't seem hot at all to me, so I wrote a script to
cat /proc/acpi/thermal_zone/THRM/temperature once a second
and eventually caught this (but no shutdown):

temperature:             47 C
temperature:             47 C
temperature:             128 C
temperature:             48 C
temperature:             47 C

Google found several people reporting problems like mine
after installing lm-sensors, and when I looked at the list
of loaded modules I found k8temp and hwmon there. Then I
realized my problems had started after installing a 2.6.19
kernel that had the new k8temp driver.

So, could ACPI and the k8temp driver be at odds?
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