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SubjectDMAR log spam
Hi,

3.2-rc6 with INTEL_IOMMU and INTEL_IOMMU_DEFAULT_ON fills the log with
these lines after starting X with the proprietariy nvidia driver. The
system becomes unusable after that (appears frozen but I guess it's just
too busy writing this log).

Ortwin

Dec 23 11:20:43 ortwin-hp kernel: DMAR:[fault reason 02] Present bit in
context entry is clear
Dec 23 11:20:43 ortwin-hp kernel: DRHD: handling fault status reg 2
Dec 23 11:20:43 ortwin-hp kernel: DMAR:[DMA Read] Request device
[01:00.0] fault addr 22e2a1000
Dec 23 11:20:43 ortwin-hp kernel: DMAR:[fault reason 02] Present bit in
context entry is clear
Dec 23 11:20:43 ortwin-hp kernel: DRHD: handling fault status reg 2
Dec 23 11:20:43 ortwin-hp kernel: DMAR:[DMA Read] Request device
[01:00.0] fault addr 22e2a1000
Dec 23 11:20:43 ortwin-hp kernel: DMAR:[fault reason 02] Present bit in
context entry is clear
Dec 23 11:20:43 ortwin-hp kernel: DRHD: handling fault status reg 2
Dec 23 11:20:43 ortwin-hp kernel: DMAR:[DMA Read] Request device
[01:00.0] fault addr 22e2a1000
Dec 23 11:20:43 ortwin-hp kernel: DMAR:[fault reason 02] Present bit in
context entry is clear
Dec 23 11:20:43 ortwin-hp kernel: DRHD: handling fault status reg 2
Dec 23 11:20:43 ortwin-hp kernel: DMAR:[DMA Read] Request device
[01:00.0] fault addr 22e2a1000
Dec 23 11:20:43 ortwin-hp kernel: DMAR:[fault reason 02] Present bit in
context entry is clear
Dec 23 11:20:43 ortwin-hp kernel: DRHD: handling fault status reg 2
Dec 23 11:20:43 ortwin-hp kernel: DMAR:[DMA Read] Request device
[01:00.0] fault addr 22e2a1000
Dec 23 11:20:43 ortwin-hp kernel: DMAR:[fault reason 02] Present bit in
context entry is clear
Dec 23 11:20:43 ortwin-hp kernel: DRHD: handling fault status reg 2
Dec 23 11:20:43 ortwin-hp kernel: DMAR:[DMA Read] Request device
[01:00.0] fault addr 22e2a1000
Dec 23 11:20:43 ortwin-hp kernel: DMAR:[fault reason 02] Present bit in
context entry is clear
Dec 23 11:20:43 ortwin-hp kernel: DRHD: handling fault status reg 2



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