Re: [PATCH 0/5] iommu/vt-d: Fix crash dump failure caused by legacy DMA/IO

[Joerg Roedel]

On Mon, Dec 01, 2014 at 02:31:38PM +0800, Li, ZhenHua wrote:
> After I implement these two steps, there comes a new fault:
> 
> [1.594890] dmar: DRHD: handling fault status reg 2
> [1.594894] dmar: INTR-REMAP: Request device [[41:00.0] fault index 4d
> [1.594894] INTR-REMAP:[fault reason 34] Present field in the IRTE entry
> is clear
> 
> It is caused by similar reason, so I will fix it like fixing the DMAR
> faults: Do NOT disable and re-enable the interrupt remapping, try to
> use data from old kernel.

Yes, that sounds right, thanks. Looking forward to your patches.


	Joerg

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