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Date: Tue, 3 Jul 2012 14:04:14 +0100
From: Mel Gorman <mgorman@suse.de>
To: Christoph Hellwig <hch@infradead.org>
Cc: Dave Chinner <david@fromorbit.com>, linux-mm@kvack.org,
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Subject: Re: [MMTests] IO metadata on XFS
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On Mon, Jul 02, 2012 at 08:35:16PM +0100, Mel Gorman wrote:
> > <SNIP>
> >
> It was obvious very quickly that there were two distinct regression so I
> ran two bisections. One led to a XFS and the other led to an i915 patch
> that enables RC6 to reduce power usage.
> 
> [c999a223: xfs: introduce an allocation workqueue]
> [aa464191: drm/i915: enable plain RC6 on Sandy Bridge by default]
> 
> gdm was running on the machine so i915 would have been in use. 

Bah, more PEBKAC. gdm was *not* running on this machine. i915 is loaded
but X is not.

-- 
Mel Gorman
SUSE Labs

From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mel Gorman <mgorman@suse.de>
Subject: Re: [MMTests] IO metadata on XFS
Date: Tue, 3 Jul 2012 14:04:14 +0100
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On Mon, Jul 02, 2012 at 08:35:16PM +0100, Mel Gorman wrote:
> > <SNIP>
> >
> It was obvious very quickly that there were two distinct regression so I
> ran two bisections. One led to a XFS and the other led to an i915 patch
> that enables RC6 to reduce power usage.
> 
> [c999a223: xfs: introduce an allocation workqueue]
> [aa464191: drm/i915: enable plain RC6 on Sandy Bridge by default]
> 
> gdm was running on the machine so i915 would have been in use. 

Bah, more PEBKAC. gdm was *not* running on this machine. i915 is loaded
but X is not.

-- 
Mel Gorman
SUSE Labs

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Date: Tue, 3 Jul 2012 14:04:14 +0100
From: Mel Gorman <mgorman@suse.de>
Subject: Re: [MMTests] IO metadata on XFS
Message-ID: <20120703130414.GD14154@suse.de>
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To: Christoph Hellwig <hch@infradead.org>
Cc: Keith Packard <keithp@keithp.com>, Chris Wilson <chris@chris-wilson.co.uk>, Daniel Vetter <daniel.vetter@ffwll.ch>, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, xfs@oss.sgi.com, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, Eugeni Dodonov <eugeni.dodonov@intel.com>

On Mon, Jul 02, 2012 at 08:35:16PM +0100, Mel Gorman wrote:
> > <SNIP>
> >
> It was obvious very quickly that there were two distinct regression so I
> ran two bisections. One led to a XFS and the other led to an i915 patch
> that enables RC6 to reduce power usage.
> 
> [c999a223: xfs: introduce an allocation workqueue]
> [aa464191: drm/i915: enable plain RC6 on Sandy Bridge by default]
> 
> gdm was running on the machine so i915 would have been in use. 

Bah, more PEBKAC. gdm was *not* running on this machine. i915 is loaded
but X is not.

-- 
Mel Gorman
SUSE Labs

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