Messages in this thread |  | | Date | Mon, 15 Jul 2013 10:32:17 +0800 | From | "Li, Zhen-Hua" <> | Subject | Re: next-20130709 DMAR issues |
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I have met a bug with the same error message, its cause was that the bios did not allocate RMRR/DRHD(can't remember which one) for the device.
Thanks ZhenHua
On 07/12/2013 10:31 PM, Joerg Roedel wrote: > 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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