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* ath9k: dmar: DRHD: handling fault status reg 3
@ 2014-08-31 10:23 Mihai Donțu
  0 siblings, 0 replies; only message in thread
From: Mihai Donțu @ 2014-08-31 10:23 UTC (permalink / raw)
  To: linux-kernel

Hi,

I have this device:

03:02.0 Network controller: Qualcomm Atheros AR9227 Wireless Network Adapter (rev 01)
        Subsystem: Qualcomm Atheros Device 0300
        Flags: bus master, 66MHz, medium devsel, latency 168, IRQ 19
        Memory at f7c00000 (32-bit, non-prefetchable) [size=64K]
        Capabilities: [40] #80 [0000]
        Kernel driver in use: ath9k

which works great, except dmesg keeps being spammed with messages like
this one:

[ 2880.027256] dmar: DRHD: handling fault status reg 3
[ 2880.027260] dmar: DMAR:[DMA Read] Request device [03:00.0] fault addr ffffd000 DMAR:[fault reason 06] PTE Read access is not set

Is this a driver issue or a hardware one? Can I somehow silence it
without disabling the use of the IOMMU?

Thanks,

-- 
Mihai Donțu

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