Messages in this thread | | | Date | Fri, 23 Dec 2011 11:32:45 +0100 | From | Ortwin Glück <> | Subject | DMAR log spam |
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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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