linux-kernel - Re: 2.6.18-rc2-mm1 timer int 0 doesn't work

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Message-Id: <1154140633.2714.4.camel@localhost.localdomain>
Date:	Fri, 28 Jul 2006 21:37:13 -0500
From:	Paul Fulghum <paulkf@...rogate.com>
To:	Andrew Morton <akpm@...l.org>
Cc:	ak@....de, linux-kernel@...r.kernel.org, mingo@...e.hu,
	ebiederm@...ssion.com
Subject: Re: 2.6.18-rc2-mm1 timer int 0 doesn't work

On Fri, 2006-07-28 at 18:24 -0700, Andrew Morton wrote:
> yeah, sorry, that's a known problem which nobody appears to be doing
> anything about.  The expansion of NR_IRQS gobbles all the percpu memory in
> the kstat structure.
> 
> I assume you have a large NR_CPUS?  Decreasing it should help.

It was using the Fedora Core 5 default of 255.
Reducing it to 2 makes it work.

So the timer int 0 problem is specific to the machine.
I'm guessing that the cheap HP machine using the ATI chipset
is one of the boards Andi was talking about.

--
Paul



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