Ubuntu
linux package

  1. Bug #1971146
  2. Comment #36

Comment 36 for bug 1971146

Revision history for this message
koba (kobako) wrote :

There's dmar error, i thought Device[01:00.0] may access a out-of-bound address.
[ 843.730480] DMAR: DRHD: handling fault status reg 3
[ 843.730488] DMAR: [DMA Read NO_PASID] Request device [01:00.0] fault addr 0x6e000000 [fault reason 0x0c] non-zero reserved fields in PTE
[ 843.730494] DMAR: DRHD: handling fault status reg 3
[ 843.730496] DMAR: [DMA Read NO_PASID] Request device [01:00.0] fault addr 0x6e016000 [fault reason 0x0c] non-zero reserved fields in PTE
[ 843.730499] DMAR: DRHD: handling fault status reg 3
[ 843.730501] DMAR: [DMA Read NO_PASID] Request device [01:00.0] fault addr 0x6e01e000 [fault reason 0x0c] non-zero reserved fields in PTE
[ 843.730505] DMAR: DRHD: handling fault status reg 3

Could someone dump
sudo cat /sys/bus/pci/devices/0000\:01\:00.0/iommu/intel-iommu/*
sudo cat /sys/bus/pci/devices/0000\:01\:00.0/iommu_group/reserved_regions
sudo cat /sys/bus/pci/devices/0000\:01\:00.0/iommu_group/type