Messages in this thread | | | Date | Fri, 12 Jul 2013 16:31:22 +0200 | From | Joerg Roedel <> | Subject | Re: next-20130709 DMAR issues |
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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
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