[Xen-users] VT-d... I think is working?

[Daniel Kao <dkao@xxxxxxxxxxxx>]

Hi All,

I haven't tried to pciback a device yet and setup an HVM but finally got to a point where I think I have VT-d working, but wanted to make sure this looks right from my "xm dmesg" output:

(XEN) Intel VT-d has been enabled

[snip]

(XEN) xenoprof: Initialization failed. Intel processor model 23 for P6 class family is not supported
(XEN) [VT-D]intel-iommu.c:1204:d32767 context_context_mapping: nested PCI bridge not supported: bdf = 0:1:0 sec_bus = 1 sub_bus = 3
(XEN) [VT-D]intel-iommu.c:1226:d32767 domain_context_mapping:bus2bridge[2].bus != 0
(XEN) [VT-D]intel-iommu.c:771: iommu_page_fault: iommu->reg = ffff828bfff57000
(XEN) [VT-D]intel-iommu.c:754: iommu_page_fault:DMA Write: DEVICE 0:2.0 addr 0 REASON 5
(XEN) print_vtd_entries: domain_id = 7fff bdf = 0:2:0 gmfn = 0
(XEN)     hg->pgd == NULL
(XEN) AMD IOMMU: Disabled
(XEN) *** LOADING DOMAIN 0 ***

Only concerns I have are:

(XEN) xenoprof: Initialization failed. Intel processor model 23 for P6 class family is not supported

I have an E8400 on an Intel DQ35JO motherboard and the references to iommu_page_fault but I think that's just info and nothing else?  For reference, this is on CentOS 5.2 w/custom Xen kernel I built using CentOS xen kernel source (2.6.18-92.1.6.el5-xen-x86_64) with Xen 3.2.1 tarball.

-- 
Daniel Kao
Übermind, Inc.
Seattle, WA, U.S.A.

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