[Xen-devel] VT-d could not work on ThinkPad T500 well

[kazushi takahashi <w1ndoz@xxxxxxxxxxxxxxxx>]

Hi all.
Does anybody hear that Xen-3.4.0-rc3 works with VT-d on ThinkPad T500 well ?

ThinkPad T500 hardware space is here:
CPU: Intel(R) Core 2 Duo Processor T9400
chipset: Moble Intel(R) GM45 Express chipset
network card: Intel(R) 82567LM Gigabit network Connection

I tried passthrough with network card (82567LM) which is allocated 00:19.0
But, I could not start the privilege Dom0 with the following messages:
(XEN) I/O virtualisation enabled
(XEN) I/O virtualisation for PV guests disable
(XEN) [VT-D]iommu.c:722: iommu_page_fault: iommu->reg = ffff828bfff56000
(XEN) [VT-D]iommu.c:691: iommu_fault_status: Fault Overflow
(XEN) [VT-D]iommu.c:694: iommu_fault_status: Primary Pending Fault
(XEN) [VT-D]iommu.c:676: iommu_fault:DMA Write: 0:2.0 addr ffffff000
REASON 5 iommu->reg = ffff828bfff56000
(XEN) print_vtd_entries: iommu = ffff83015bde12c0 bdf = 0:2:0 gmfn = ffffff
(XEN)      root_entry = ffff83015bdcf000
(XEN)      root_entry[0] = 157a5f001
(XEN)      context = ffff830157a5f000
(XEN)      context[10] = 101_15bdb2001
(XEN)      l3 = ffff83015bdb2000
(XEN)      l3_index = 3f
(XEN)      l3[3f] = 0
(XEN)      l3[3f] not present
(XEN) [VT-D]iommu.c:722: iommu_page_fault: iommu-reg = ffff828bfff54000
<freeze here>

any advice?
thanks.

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