@Joseph: I tried 3.2.0-4.10 but still had the errors:
Ubuntu 3.2.0-4.10-generic 3.2.0-rc5
[ 88.263384] DRHD: handling fault status reg 2
[ 88.263396] DMAR:[DMA Write] Request device [00:02.0] fault addr 7ff1c7000
[ 88.263399] DMAR:[fault reason 05] PTE Write access is not set
@Leann: I tried intel_iommu=igfx_off on both the rc5 and the current rc7 kernel
and did not have the errors:
Ubuntu 3.2.0-4.10-generic 3.2.0-rc5
[ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-3.2.0-4-generic
root=UUID=88689ad2-74b5-442c-9290-8ae60b63e16b ro quiet splash
intel_iommu=igfx_off vt.handoff=7
[ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-3.2.0-4-generic
root=UUID=88689ad2-74b5-442c-9290-8ae60b63e16b ro quiet splash
intel_iommu=igfx_off vt.handoff=7
Ubuntu 3.2.0-7.13-generic 3.2.0-rc7
[ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-3.2.0-7-generic
root=UUID=88689ad2-74b5-442c-9290-8ae60b63e16b ro quiet splash
intel_iommu=igfx_off vt.handoff=7
[ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-3.2.0-7-generic
root=UUID=88689ad2-74b5-442c-9290-8ae60b63e16b ro quiet splash
intel_iommu=igfx_off vt.handoff=7
I will now use 'intel_iommu=igfx_off' as the workaround.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/911236
Title:
DMAR:[fault reason 05] PTE Write access is not set
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