RE: 3.6.8: dmar: DRHD: handling fault status reg 602

From: Justin Piszcz
Date: Tue Nov 27 2012 - 10:16:35 EST



-----Original Message-----
From: Justin Piszcz [mailto:jpiszcz@xxxxxxxxxxxxxxx]
Sent: Tuesday, November 27, 2012 10:16 AM
To: linux-kernel@xxxxxxxxxxxxxxx
Subject: 3.6.8: dmar: DRHD: handling fault status reg 602

Hello,

Any idea why this is happening (e.g. why is PTE Read Access not set?)

[ 13.204560] dmar: DRHD: handling fault status reg 602
[ 13.208078] dmar: DMAR:[DMA Read] Request device [04:00.0] fault addr 0
[ 13.208078] DMAR:[fault reason 06] PTE Read access is not set
[ 15.777874] dmar: DRHD: handling fault status reg 702
[ 15.777879] dmar: DMAR:[DMA Read] Request device [04:00.0] fault addr 0
[ 15.777879] DMAR:[fault reason 06] PTE Read access is not set
[ 16.100453] dmar: DRHD: handling fault status reg 2
[ 16.100458] dmar: DMAR:[DMA Read] Request device [04:00.0] fault addr 0
[ 16.100458] DMAR:[fault reason 06] PTE Read access is not set
[ 16.141058] dmar: DRHD: handling fault status reg 102
[ 16.141062] dmar: DMAR:[DMA Read] Request device [04:00.0] fault addr 0
[ 16.141062] DMAR:[fault reason 06] PTE Read access is not set
[ 16.210102] dmar: DRHD: handling fault status reg 202
[ 16.210111] dmar: DMAR:[DMA Read] Request device [04:00.0] fault addr 0
[ 16.210111] DMAR:[fault reason 06] PTE Read access is not set
[ 16.918149] ixgbe 0000:86:00.0: eth2: NIC Link is Up 10 Gbps, Flow
Control: RX/TX

This is from:
http://lkml.org/lkml/2012/11/27/263

Justin.

--

Hi,

Disregard, appears to be a nouveau bug:
https://bugzilla.redhat.com/show_bug.cgi?id=573173

Justin.

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