system freezes for 0.2 to 0.5 seconds when reading /proc/acpi/thermal_zone/THRM/temperature

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first of all, sorry for the long headline.
Every time, i try to do the following:
cat /proc/acpi/thermal_zone/THRM/temperature
the whole system looks up for a short period of time (something about
0.5s). realy everything, video and audio encoding, mouse and keyboard
input, firefox playing a flash animation, ...
I am also getting the following:
Losing some ticks... checking if CPU frequency changed.

maybe these two things are belonging to each other.

I am using a 2.6.12-rc3-mm1 kernel on a amd64 with a nvidia nforce4

kind regards


"I may have invented it, but Bill made it famous"
David Bradley, who invented the (in)famous ctrl-alt-del key combination
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