* DMAR log spam
@ 2011-12-23 10:32 Ortwin Glück
0 siblings, 0 replies; only message in thread
From: Ortwin Glück @ 2011-12-23 10:32 UTC (permalink / raw)
To: linux-kernel
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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2011-12-23 10:32 DMAR log spam Ortwin Glück
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