Subject: Re: 2.6.29 git master and PAT problems
From: "Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>
To: Arkadiusz Miskiewicz <a.miskiewicz@gmail.com>
Cc: "Siddha, Suresh B" <suresh.b.siddha@intel.com>,
       "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
In-Reply-To: <200903302331.10995.a.miskiewicz@gmail.com>
References: <200903302317.04515.a.miskiewicz@gmail.com>
	 <7E82351C108FA840AB1866AC776AEC4657E57368@orsmsx505.amr.corp.intel.com>
	 <200903302331.10995.a.miskiewicz@gmail.com>
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Date: Mon, 30 Mar 2009 14:45:55 -0700
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On Mon, 2009-03-30 at 14:31 -0700, Arkadiusz Miskiewicz wrote:
> On Monday 30 of March 2009, Pallipadi, Venkatesh wrote:
> > Patch here should get rid of these errors.
> >
> > http://marc.info/?l=linux-kernel&m=123788806506230&w=2
> >
> > The patch is in tip and on its way to upstream.
> 
> The problem is that kernel I'm running already contains this patch (it's
> merged already). Other ideas?
> 
> ratelimiting that error is good IMO anyway.

Rate limiting will just work around the problem here. Ideally we should
never see these errors. So, it will be better if we can narrow down on
the bug resulting in these error messages.

Can you please send me the output of
# cat /debug/x86/pat_memtype_list
with debugfs mounted.
and
# cat /proc/mtrr

Also, do you see the errors soon after you boot or only when you run
something on X or exit X or somethign else?

Thanks,
Venki


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