[Xen-devel] VT-D error related to intel IGD on Asus P5Q-EM DO (Q45 chipset)

[Sander Eikelenboom <linux@xxxxxxxxxxxxxx>]

Although in the past few weeks a lot of VT-D related error seems to have
disappeared I have still one left.

(XEN) [VT-D]iommu.c:620: iommu_enable_translation: iommu->reg = ffff828bfff57000
(XEN) [VT-D]iommu.c:620: iommu_enable_translation: iommu->reg = ffff828bfff56000
(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 = ffff83007c8dfd20 bdf = 0:2:0 gmfn = ffffff
(XEN)     root_entry = ffff830079db1000
(XEN)     root_entry[0] = 7926e001
(XEN)     context = ffff83007926e000
(XEN)     context[10] = 101_7acd4001
(XEN)     l3 = ffff83007acd4000
(XEN)     l3_index = 3f
(XEN)     l3[3f] = 0
(XEN)     l3[3f] not present
(XEN) [VT-D]iommu.c:620: iommu_enable_translation: iommu->reg = ffff828bfff55000
(XEN) *** LOADING DOMAIN 0 ***



Hardware:
- Asus P5Q-EM DO, with latest bios (0803) and VT-D enabled, IGD (pci 0:2.0)
  as boot graphics device.
- Intel Q9400 proc.
- extra PCI graphics card

Also attached:
- xm dmesg  (first part was gone due to length ..)
- dmesg
- lspci
- biosdecode
- dmidecode
- acpidump

Used a fresh copy of xen-unstable and 2.6.18.8-xen kernel, which seems to

I hope it's fixable, and not a bios issue.

Attachment: acpidump.txt
Description: Text document

Attachment: biosdecode.txt
Description: Text document

Attachment: dmesg.txt
Description: Text document

Attachment: dmidecode.txt
Description: Text document

Attachment: lspci.txt
Description: Text document

Attachment: xm-dmesg.txt
Description: Text document

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