[Xen-devel] [VT-d] Intel i7-2600(sandybridge) and Intel DP67BG board

[조희승/Heeseung Jo <heeseung@xxxxxxxxxx>]

I am working with Intel i7-2600 CPU on Intel DP67BG board and Xen 4.0.1
stable

Is there anybody to succeed in vt-d enabling? Or Any hints?
My xen log is below.

-------------------------------
(XEN) [VT-D]dmar.c:685: dmar->width 35
(XEN) [VT-D]dmar.c:689: Host address width 36
(XEN) [VT-D]dmar.c:704: found ACPI_DMAR_DRHD:
(XEN) [VT-D]dmar.c:706:   length = 18
(XEN) [VT-D]dmar.c:398:   dmaru->address = fed90000
(XEN) [VT-D]iommu.c:1081: drhd->address = fed90000 iommu->reg =
ffff82c3fff57000
(XEN) [VT-D]iommu.c:1083: cap = c0000020e60262 ecap = f0101a
(XEN) ---- print_iommu_regs ----
(XEN)  drhd->address = fed90000
(XEN)  VER = 10
(XEN)  CAP = c0000020e60262
(XEN)  n_fault_reg = 1
(XEN)  fault_recording_offset = 200
(XEN)  fault_recording_reg_l = 0
(XEN)  fault_recording_reg_h = 0
(XEN)  ECAP = f0101a
(XEN)  GCMD = 0
(XEN)  GSTS = 0
(XEN)  RTADDR = 0
(XEN)  CCMD = 800000000000000
(XEN)  FSTS = 0
(XEN)  FECTL = 80000000
(XEN)  FEDATA = 0
(XEN)  FEADDR = 0
(XEN)  FEUADDR = 0
(XEN) [VT-D]dmar.c:335:   endpoint: 0:1b.0
(XEN) [VT-D]dmar.c:704: found ACPI_DMAR_DRHD:
(XEN) [VT-D]dmar.c:706:   length = 10
(XEN) [VT-D]dmar.c:398:   dmaru->address = fed93000
(XEN) [VT-D]iommu.c:1081: drhd->address = fed93000 iommu->reg =
ffff82c3fff56000
(XEN) [VT-D]iommu.c:1083: cap = ffffffffffffffff ecap = ffffffffffffffff
(XEN) ---- print_iommu_regs ----
(XEN)  drhd->address = fed93000
(XEN)  VER = ffffffff
(XEN)  CAP = ffffffffffffffff
(XEN)  n_fault_reg = 100
(XEN)  fault_recording_offset = 3ff0
(XEN)  ECAP = ffffffffffffffff
(XEN)  GCMD = ffffffff
(XEN)  GSTS = ffffffff
(XEN)  RTADDR = ffffffffffffffff
(XEN)  CCMD = ffffffffffffffff
(XEN)  FSTS = ffffffff
(XEN)  FECTL = ffffffff
(XEN)  FEDATA = ffffffff
(XEN)  FEADDR = ffffffff
(XEN)  FEUADDR = ffffffff
(XEN) [VT-D]iommu.c:1091: IOMMU: unsupported
(XEN) Failed to parse ACPI DMAR.  Disabling VT-d.
(XEN) [VT-D]intremap.c:137: VT-d is not supported

--
Jo, Heeseung






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