From: "Ortwin Glück" <odi@odi.ch>
To: linux-kernel@vger.kernel.org
Subject: DMAR log spam
Date: Fri, 23 Dec 2011 11:32:45 +0100 [thread overview]
Message-ID: <4EF458CD.90300@odi.ch> (raw)
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
reply other threads:[~2011-12-23 10:34 UTC|newest]
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