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From: Joerg Roedel <joro@8bytes.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: Valdis Kletnieks <Valdis.Kletnieks@vt.edu>,
	"Li, Zhen-Hua" <zhen-hual@hp.com>,
	David Woodhouse <dwmw2@infradead.org>,
	linux-kernel@vger.kernel.org
Subject: Re: next-20130709 DMAR issues
Date: Fri, 12 Jul 2013 16:31:22 +0200	[thread overview]
Message-ID: <20130712143122.GF28811@8bytes.org> (raw)
In-Reply-To: <20130712121419.GA22945@gmail.com>

Thanks for the heads-up, Ingo.

On Fri, Jul 12, 2013 at 02:14:20PM +0200, Ingo Molnar wrote:
> > Jul 10 12:20:19 turing-police kernel: [    0.021583] DMAR:[fault reason 06] PTE Read access is not set
> > 
> > Now I have 3 extra messages talking about handling a fault status.  lspci says 00:1f.2 is:
> > 
> > 00:1f.2 SATA controller: Intel Corporation 7 Series Chipset Family 6-port SATA Controller [AHCI mode] (rev 04)

This could be caused by some change in the SATA driver stack. Maybe a
DMA buffer is used after unmap or something.


> > If this doesn't ring any bells, I'l go do the bisect thing...

Yes, a bisection would help here, thanks for doing this.


	Joerg



  reply	other threads:[~2013-07-12 14:31 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-10 17:01 next-20130709 DMAR issues Valdis Kletnieks
2013-07-12 12:14 ` Ingo Molnar
2013-07-12 14:31   ` Joerg Roedel [this message]
2013-07-15  2:32     ` Li, Zhen-Hua
2013-07-16 22:16       ` Valdis.Kletnieks
2013-07-16 22:07   ` Valdis.Kletnieks

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