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RE: [Xen-devel] [VT-D]iommu.c:775: iommu_page_fault: iommu->reg = ffff82

To: Stefan Bauer <stefan.bauer@xxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-devel] [VT-D]iommu.c:775: iommu_page_fault: iommu->reg = ffff828bfff57000 [SOLVED]
From: "Kay, Allen M" <allen.m.kay@xxxxxxxxx>
Date: Wed, 29 Oct 2008 12:24:27 -0700
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Thread-topic: [Xen-devel] [VT-D]iommu.c:775: iommu_page_fault: iommu->reg = ffff828bfff57000 [SOLVED]
>
>I found out, that the internal graphiccard and the PEG card can't work
>beside each other. i add a pci card too and the bug message is gone.
>
>It seems that xen was trying during the boot process to hide a non
>existing device, which caused that problem.
>

If possible, stick with PCIe devices.  Conventional PCI device passthrough is 
more complicated as it requires pass through all PCI devices behind the same 
PCIe-to-PCI bridge.

Allen

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