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Re: [MMTests] IO metadata on XFS

To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: Re: [MMTests] IO metadata on XFS
From: Mel Gorman <mgorman@xxxxxxx>
Date: Tue, 3 Jul 2012 14:04:14 +0100
Cc: Dave Chinner <david@xxxxxxxxxxxxx>, linux-mm@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx, dri-devel@xxxxxxxxxxxxxxxxxxxxx, Keith Packard <keithp@xxxxxxxxxx>, Eugeni Dodonov <eugeni.dodonov@xxxxxxxxx>, Daniel Vetter <daniel.vetter@xxxxxxxx>, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
In-reply-to: <20120702193516.GX14154@xxxxxxx>
References: <20120620113252.GE4011@xxxxxxx> <20120629111932.GA14154@xxxxxxx> <20120629112505.GF14154@xxxxxxx> <20120701235458.GM19223@dastard> <20120702063226.GA32151@xxxxxxxxxxxxx> <20120702143215.GS14154@xxxxxxx> <20120702193516.GX14154@xxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
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

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