linux-ext4 - RE: DMAR regression in 2.6.31 leads to ext4 corruption?

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Date:	Wed, 14 Oct 2009 16:34:23 +0100
From:	David Woodhouse <dwmw2@...radead.org>
To:	Bhavesh Davda <bhavesh@...are.com>
Cc:	Andy Isaacson <adi@...apodia.org>,
	Chris Wright <chrisw@...s-sol.org>,
	"iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>,
	"linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: DMAR regression in 2.6.31 leads to ext4 corruption?

On Wed, 2009-10-14 at 08:26 -0700, Bhavesh Davda wrote:
> [    0.224001] DRHD: handling fault status reg 3
> [    0.224003] DMAR:[DMA Write] Request device [00:02.0] fault addr 95e7000
> [    0.224004] DMAR:[fault reason 05] PTE Write access is not set 

It's harmless. Your BIOS just isn't completely initialising the GATT.

-- 
dwmw2

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