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

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Message-ID: <20080825193926.GF26610@one.firstfloor.org>
Date:	Mon, 25 Aug 2008 21:39:26 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Dave Jones <davej@...hat.com>, 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, Aug 25, 2008 at 02:54:51PM -0400, Dave Jones wrote:
> On Mon, Aug 25, 2008 at 08:36:11PM +0200, Andi Kleen wrote:
>  > > Probably because you're using p4-clockmod, and it's crap.
>  > 
>  > Really should really bite the bullet and just remove it. People 
>  > run in this all the time and I bet you can count the people who
>  > actually use it consciously and usefully with one hand.
>  > 
>  > Or at least only make it run when the user set a "I_REALLY_KNOW_WHAT_I_AM_DOING"
>  > option explicitely.
> 
> We can't really remove it until ACPI processor driver has a better
> response than 'thermal event, argh!, shut down'.

It only does that when the critical trip point is reached (which
basically means that the BIOS tells it -- "I'm on fire"). What else should 
it do in your opinion when this happens?

-Andi
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