pciback: vpci: 0000:07:01.0: assign to virtual slot 0
(XEN) printk: 2050 messages suppressed.
(XEN) [VT-D]iommu.c:1465:d0 domain_context_unmap:bus2bridge[7].bus != 0
(XEN) [VT-D]iommu.c:1346:d0 domain_context_mapping:bus2bridge[7].bus != 0
(XEN) [VT-D]iommu.c:883: iommu_page_fault: iommu->reg = ffff828bfff56000
(XEN) [VT-D]iommu.c:855: iommu_fault_status: Primary Pending Fault
(XEN) [VT-D]iommu.c:839: iommu_fault:DMA Write: 7:0.0 addr 0 REASON c iommu->reg = ffff828bfff56000
(XEN) print_vtd_entries: domain_id = 7fff bdf = 7:0:0 gmfn = 0
(XEN)     hg->pgd == NULL

(last message repeat a lot of time cut ....)

e1000: peth0: e1000_clean_tx_irq: Detected Tx Unit Hang
  Tx Queue             <0>
  TDH                  <ce>
  TDT                  <ce>
  next_to_use          <ce>
  next_to_clean        <cb>
buffer_info[next_to_clean]
  time_stamp           <1f80>
  next_to_watch        <cb>
  jiffies              <2071>
  next_to_watch.status <0>
(XEN) [VT-D]iommu.c:883: iommu_page_fault: iommu->reg = ffff828bfff56000
(XEN) [VT-D]iommu.c:855: iommu_fault_status: Primary Pending Fault
(XEN) [VT-D]iommu.c:839: iommu_fault:DMA Read: 7:0.0 addr 13881000 REASON c iommu->reg = ffff828bfff56000
(XEN) print_vtd_entries: domain_id = 7fff bdf = 7:0:0 gmfn = 13881
(XEN)     hg->pgd == NULL

(last message repeat a lot of time cut ....)

(XEN) [VT-D]iommu.c:883: iommu_page_fault: iommu->reg = ffff828bfff56000
(XEN) [VT-D]iommu.c:855: iommu_fault_status: Primary Pending Fault
(XEN) [VT-D]iommu.c:839: iommu_fault:DMA Write: 7:0.0 addr 0 REASON c iommu->reg = ffff828bfff56000
(XEN) print_vtd_entries: domain_id = 7fff bdf = 7:0:0 gmfn = 0
(XEN)     hg->pgd == NULL
NETDEV WATCHDOG: peth0: transmit timed out
(XEN) [VT-D]iommu.c:883: iommu_page_fault: iommu->reg = ffff828bfff56000
(XEN) [VT-D]iommu.c:855: iommu_fault_status: Primary Pending Fault
(XEN) [VT-D]iommu.c:839: iommu_fault:DMA Read: 7:0.0 addr 13881000 REASON c iommu->reg = ffff828bfff56000
(XEN) print_vtd_entries: domain_id = 7fff bdf = 7:0:0 gmfn = 13881
(XEN)     hg->pgd == NULL

(last message repeat a lot of time cut ....)

eth0: port 1(peth0) entering disabled state
(XEN) [VT-D]iommu.c:883: iommu_page_fault: iommu->reg = ffff828bfff56000
(XEN) [VT-D]iommu.c:855: iommu_fault_status: Primary Pending Fault
(XEN) [VT-D]iommu.c:839: iommu_fault:DMA Write: 7:0.0 addr 0 REASON c iommu->reg = ffff828bfff56000
(XEN) print_vtd_entries: domain_id = 7fff bdf = 7:0:0 gmfn = 0
(XEN)     hg->pgd == NULL
e1000: peth0: e1000_watchdog: NIC Link is Up 1000 Mbps Full Duplex
eth0: port 1(peth0) entering learning state
eth0: topology change detected, propagating
eth0: port 1(peth0) entering forwarding state
(XEN) [VT-D]iommu.c:883: iommu_page_fault: iommu->reg = ffff828bfff56000
(XEN) [VT-D]iommu.c:855: iommu_fault_status: Primary Pending Fault
(XEN) [VT-D]iommu.c:839: iommu_fault:DMA Write: 7:0.0 addr 0 REASON c iommu->reg = ffff828bfff56000
(XEN) print_vtd_entries: domain_id = 7fff bdf = 7:0:0 gmfn = 0
(XEN)     hg->pgd == NULL
(XEN) [VT-D]iommu.c:883: iommu_page_fault: iommu->reg = ffff828bfff56000
(XEN) [VT-D]iommu.c:855: iommu_fault_status: Primary Pending Fault
(XEN) [VT-D]iommu.c:839: iommu_fault:DMA Write: 7:0.0 addr 0 REASON c iommu->reg = ffff828bfff56000
(XEN) print_vtd_entries: domain_id = 7fff bdf = 7:0:0 gmfn = 0
(XEN)     hg->pgd == NULL
(XEN) [VT-D]iommu.c:883: iommu_page_fault: iommu->reg = ffff828bfff56000
(XEN) [VT-D]iommu.c:855: iommu_fault_status: Primary Pending Fault
(XEN) [VT-D]iommu.c:839: iommu_fault:DMA Read: 7:0.0 addr 1336a000 REASON c iommu->reg = ffff828bfff56000
(XEN) print_vtd_entries: domain_id = 0 bdf = 7:0:0 gmfn = 1336a
(XEN)     d->pgd = ffff8300ceff2000 virt_to_maddr(hd->pgd) = ceff2000
(XEN) ---- print_vtd_entries 0 ----
(XEN)     root_entry = ffff8300cf0bc000
(XEN)     root_entry[7] = cf0b2001
(XEN)     context = ffff8300cf0b2000
(XEN)     context[0] = 202 21e5a0001
(XEN)     l4 = ffff83021e5a0000
(XEN)     l4_index = 0
(XEN)     l4[0] = 21e5a1067
(XEN)     l3 = ffff83021e5a1000
(XEN)     l3_index = 0
(XEN)     l3[0] = 21e5a2067
(XEN)     l2 = ffff83021e5a2000
(XEN)     l2_index = 99
(XEN)     l2[99] = 0
(XEN)     l2[99] not present
(XEN) ---- print_vtd_entries 1 ----
(XEN)     root_entry = ffff8300cf0bc000
(XEN)     root_entry[7] = cf0b2001
(XEN)     context = ffff8300cf0b2000
(XEN)     context[0] = 202 21e5a0001
(XEN) Unsupported VTD page table level (2)!
(XEN) ---- print_vtd_entries 2 ----
(XEN)     root_entry = ffff8300cf0bc000
(XEN)     root_entry[7] = cf0b2001
(XEN)     context = ffff8300cf0b2000
(XEN)     context[0] = 202 21e5a0001
(XEN) Unsupported VTD page table level (2)!
(XEN) ---- print_vtd_entries 3 ----
(XEN)     root_entry = ffff8300cf0bc000
(XEN)     root_entry[7] = cf0b2001
(XEN)     context = ffff8300cf0b2000
(XEN)     context[0] = 202 21e5a0001
(XEN) Unsupported VTD page table level (2)!
(XEN) ---- print_vtd_entries 4 ----
(XEN)     root_entry = ffff8300cf0bc000
(XEN)     root_entry[7] = cf0b2001
(XEN)     context = ffff8300cf0b2000
(XEN)     context[0] = 202 21e5a0001
(XEN) Unsupported VTD page table level (2)!
(XEN) ---- print_vtd_entries 5 ----
(XEN)     root_entry = ffff8300cf0bc000
(XEN)     root_entry[7] = cf0b2001
(XEN)     context = ffff8300cf0b2000
(XEN)     context[0] = 202 21e5a0001
(XEN) Unsupported VTD page table level (2)!
(XEN) ---- print_vtd_entries 6 ----
(XEN)     root_entry = ffff8300cf0bc000
(XEN)     root_entry[7] = cf0b2001
(XEN)     context = ffff8300cf0b2000
(XEN)     context[0] = 202 21e5a0001
(XEN) Unsupported VTD page table level (2)!