[Xen-bugs] [Bug 1517] New: VF can not get IP in Guest

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1517

           Summary: VF can not get IP in Guest
           Product: Xen
           Version: unstable
          Platform: Other
        OS/Version: Linux
            Status: NEW
          Severity: major
          Priority: P1
         Component: Hypervisor
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: jiajun.xu@xxxxxxxxx


Environment:
------------
Service Arch (ia32/ia32e/IA64): ia32e
Guest Arch (ia32/ia32e/IA64): ia32e
Guest OS Type (Linux/Windows): Linux
Change Set: 20228
Hardware: Nehalem-EP
Other:
xen-changeset:   20228:3a71e070e3c5

pvops git:
commit ebf47a1fe1aec22756c32fdba3dd94b05d5b8a84
Merge: 2f0be7a... 8b539bf...
Author: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>

ioemu git:
commit 3de6cb51b19c46967cbc88ceb202b240c736eeca
Merge: cf4aa73... 60dbe1d...
Author: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>


Bug detailed description:
--------------------------
With latest pv-ops dom0, VF can be enabled but can not get IP in guest.

On serial console, it continuously prints following messages:

(XEN) [VT-D]iommu.c:688: iommu_fault_status: Primary Pending Fault
(XEN) [VT-D]iommu.c:670: iommu_fault:DMA Write: 1:10.1 addr 1980000000000000
REASON 25 iommu->reg = ffff828bfff57000
(XEN) [VT-D]iommu.c:716: iommu_page_fault: iommu->reg = ffff828bfff57000


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