Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123send_IPI_mask_bitmask+0xc3/0xe0()

[Dave Jones]

On Mon, Aug 25, 2008 at 10:36:49PM +0200, Andi Kleen wrote:
 
 > > If we get a thermal event that was caused by temporary
 > > increased workload, temperature will drop off again when that workload
 > > is complete.
 > 
 > But none of the cpufreq governours do this. They only care about
 > load, not about temperature.

Which is good enough to stop p4 laptops from shutting down as
soon as they've finished booting up.

 > > For sustained workloads we'd get additional thermal events, at which
 > > time we make a decision "ok, we've throttled as far as we can, and
 > > things are still going badly, power off".
 > 
 > That is what the ACPI driver does when the trip point is reached.

yes, except for that "we've throttled" part.
 
	Dave

-- 
http://www.codemonkey.org.uk
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