Re: 3.0-rc1: DMAR errors from iwlagn

[Jeremy Fitzhardinge]

Cc: linux-wireless

On 05/31/2011 02:14 PM, Jeremy Fitzhardinge wrote:
> I have a Lenovo X220 with:
>
> 03:00.0 Network controller: Intel Corporation Centrino Ultimate-N 6300 (rev 35)
> 	Subsystem: Intel Corporation Centrino Ultimate-N 6300 3x3 AGN
> 	Flags: bus master, fast devsel, latency 0, IRQ 50
> 	Memory at d2500000 (64-bit, non-prefetchable) [size=8K]
> 	Capabilities: <access denied>
> 	Kernel driver in use: iwlagn
> 	Kernel modules: iwlagn
>
> With 3.0-rc1, I'm seeing these in dmesg:
>
> DRHD: handling fault status reg 2
> DMAR:[DMA Write] Request device [03:00.0] fault addr ffe8a000 
> DMAR:[fault reason 05] PTE Write access is not set
> DRHD: handling fault status reg 2
> DMAR:[DMA Write] Request device [03:00.0] fault addr ffd5a000 
> DMAR:[fault reason 05] PTE Write access is not set
> DRHD: handling fault status reg 2
> DMAR:[DMA Write] Request device [03:00.0] fault addr ffd52000 
> DMAR:[fault reason 05] PTE Write access is not set
>
> but the device seems to be working OK.
>
> Thanks,
> 	J
>
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