top -M reports 1 CPU 100% busy on idle system

Johannes Hofmann johannes.hofmann at gmx.de
Tue Nov 9 13:28:37 PST 2010

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After updating a thinkpad X60s to latest head, top -M reports that one
of the CPU's is 100% busy doing interrupts. I doubt that this is true,
as vmstats -i reports a rate of 115 and also the power consumption
seems normal.
However the high load reported on 1 CPU prevents sysutils/estd from
scaling down the CPU frequency.

Cheers,
Johannes

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