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

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From: Dave Jones
Subject: Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 send_IPI_mask_bitmask+0xc3/0xe0()
Date: Monday, August 25, 2008 - 1:47 pm

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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Messages in current thread:
latest -git: WARNING: at arch/x86/kernel/ipi.c:123 send_IP ..., Vegard Nossum, (Tue Aug 19, 12:51 pm)
Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 sen ..., Andi Kleen, (Tue Aug 19, 6:39 pm)
Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 sen ..., Vegard Nossum, (Tue Aug 19, 11:26 pm)
Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 sen ..., Dave Jones, (Thu Aug 21, 5:36 pm)
Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 sen ..., H. Peter Anvin, (Thu Aug 21, 7:13 pm)
Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 sen ..., Andi Kleen, (Thu Aug 21, 7:28 pm)
Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 sen ..., H. Peter Anvin, (Thu Aug 21, 11:24 pm)
Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 sen ..., Andi Kleen, (Fri Aug 22, 2:35 am)
Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 sen ..., adobriyan, (Fri Aug 22, 4:13 am)
Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 sen ..., H. Peter Anvin, (Fri Aug 22, 9:41 am)
Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 sen ..., Jeremy Fitzhardinge, (Fri Aug 22, 11:42 pm)
Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 sen ..., H. Peter Anvin, (Fri Aug 22, 11:44 pm)
Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 sen ..., Vegard Nossum, (Sun Aug 24, 2:20 am)
Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 sen ..., H. Peter Anvin, (Sun Aug 24, 9:43 am)
Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 sen ..., H. Peter Anvin, (Sun Aug 24, 10:17 am)
Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 sen ..., Vegard Nossum, (Sun Aug 24, 10:22 am)
Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 sen ..., Vegard Nossum, (Sun Aug 24, 10:45 am)
Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 sen ..., H. Peter Anvin, (Sun Aug 24, 10:59 am)
Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 sen ..., Dave Jones, (Sun Aug 24, 11:13 am)
Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 sen ..., Vegard Nossum, (Mon Aug 25, 11:31 am)
Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 sen ..., Andi Kleen, (Mon Aug 25, 11:36 am)
Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 sen ..., Dave Jones, (Mon Aug 25, 11:38 am)
Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 sen ..., Dave Jones, (Mon Aug 25, 11:54 am)
Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 sen ..., H. Peter Anvin, (Mon Aug 25, 12:08 pm)
Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 sen ..., Dave Jones, (Mon Aug 25, 12:13 pm)
Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 sen ..., Andi Kleen, (Mon Aug 25, 12:39 pm)
Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 sen ..., Dave Jones, (Mon Aug 25, 12:50 pm)
Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 sen ..., Andi Kleen, (Mon Aug 25, 1:36 pm)
Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 sen ..., Dave Jones, (Mon Aug 25, 1:47 pm)
Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 sen ..., Arjan van de Ven, (Mon Aug 25, 2:24 pm)