linux-kernel - Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 send_IPI_mask

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Message-ID: <20080825142403.03d7c354@infradead.org>
Date:	Mon, 25 Aug 2008 14:24:03 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	Dave Jones <davej@...hat.com>
Cc:	Andi Kleen <andi@...stfloor.org>,
	Vegard Nossum <vegard.nossum@...il.com>,
	"H. Peter Anvin" <hpa@...nel.org>,
	the arch/x86 maintainers <x86@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Rusty Russell <rusty@...tcorp.com.au>
Subject: Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123
 send_IPI_mask_bitmask+0xc3/0xe0()

On Mon, 25 Aug 2008 16:47:02 -0400
Dave Jones <davej@...hat.com> wrote:

> 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.\

that's such an enormous gamble it's not funny.


really; if your bios has broken trippoints we should use the kernel
commandline to disable them (and a dmi blacklist if the amount of
bioses that have it wrong is low.. maybe combined with a date based
threshold).

Just praying that p4clockmod keeps it kinda low enough is not the
answer.



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