From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pasi =?iso-8859-1?Q?K=E4rkk=E4inen?= <pasik@iki.fi>
Subject: Re: iommuu/vt-d issues with LSI MegaSAS (PERC5i)
Date: Sat, 29 May 2010 18:20:10 +0300
Message-ID: <20100529152010.GW17817@reaktio.net>
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To: "M. Nunberg" <mnunberg@haskalah.org>
Cc: Xen-devel <xen-devel@lists.xensource.com>
List-Id: xen-devel@lists.xenproject.org

On Sat, May 29, 2010 at 07:31:17AM -0700, M. Nunberg wrote:
> I've been trying to get VT-D working wiht xen for quite some time, since
> 3.4.2, and I've always had issues with my RAID controller not working
> properly when iommu is not disabled in Xen:
> 
> lspci outpuut for the card:

<snip>

> 
> I am using a Supermicro X8DALi motherboard with a 5500 chipset.
> 
> Whenever I try to access the device the Xen console spits out something
> like this:
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 204865000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 204865
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> 
> reads are partially succcessful, but I am getting seek errors at times,
> filesystems will mount properly but I cannot use any of them properly..
> 
> 
> The actual kernel output varies, sometimes i get EINVAL when I try to
> read from the filesystem, sometimes it simply refuses to at all
> recognize the disk altogether, and other times it will hang the entire
> system, including the hypervisor itself.
> I've tried booting the hypervisor with x2apic disabled, but to no
> effect.  I've also tried with the latest xen-4.0-testing (4.0.1), buut
> same issue and same outpuut
> 
> A quick google turns up a thread, from this mailing list, with a
> different RAID card, but the kernel output is similar.. e.g.
> 
> scsi scan: INQUIRY result too short (5), using 36
> 
> http://lists.xensource.com/archives/html/xen-users/2010-04/msg00535.html
> 
> The full xen log is below
>                                                                                 

Did you use the latest pvops dom0 kernel from xen/stable-2.6.32.x branch? 
Could you also post the full serial log _with_ the dom0 kernel messages? 

.. since the problem gets triggered by the dom0 kernel.. 

-- Pasi


>                                                                                                                                        
>                                                                                 
>                              L __  __ _  _    ___
> ___                         
>  \ \/ /___ _ __   | || |  / _ \ / _ \ 0x146000>, shtab=0x3a2078,
> entry=0x100000 
>   \  // _ \ '_ \  | || |_| | | | | |
> |                                          
>   /  \  __/ | | | |__   _| |_| | |_| |apper/OS-root ro nomodeset
> console=tty0 r 
>  /_/\_\___|_| |_|    |
> _|(_)___(_)___/                                           
>                                       020
> bytes]                                
> (XEN) Xen version 4.0.0 (mordy@) (gcc version 4.3.2 (Debian 4.3.2-1.1) )
> Fri May 21 07:50:16 PDT 2010boot-module
> @                                                          
> (XEN) Latest ChangeSet:
> unavailable                                             
> (XEN) Console output is
> synchronous.                                            
> (XEN) Command line: iommu=verbose loglvl=all guest_loglvl=all
> sync_console console_to_rint com1=115200,8n1
> console=com1                                                     
> (XEN) Video
> information:                                                        
> (XEN)  VGA is text mode 80x25, font
> 8x16                                        
> (XEN)  VBE/DDC methods: none; EDID transfer time: 0
> seconds                     
> (XEN)  EDID info not retrieved because no DDC retrieval method
> detected         
> (XEN) Disc information:
> (XEN)  Found 1 MBR signatures
> (XEN)  Found 1 EDD information structures
> (XEN) Xen-e820 RAM map:
> (XEN)  0000000000000000 - 000000000009a000 (usable)
> (XEN)  000000000009a000 - 00000000000a0000 (reserved)
> (XEN)  00000000000e0000 - 0000000000100000 (reserved)
> (XEN)  0000000000100000 - 00000000bf760000 (usable)
> (XEN)  00000000bf76e000 - 00000000bf770000 type 9
> (XEN)  00000000bf770000 - 00000000bf77e000 (ACPI data)
> (XEN)  00000000bf77e000 - 00000000bf7d0000 (ACPI NVS)
> (XEN)  00000000bf7d0000 - 00000000bf7e0000 (reserved)
> (XEN)  00000000bf7ec000 - 00000000c0000000 (reserved)
> (XEN)  00000000fee00000 - 00000000fee01000 (reserved)
> (XEN)  00000000ffc00000 - 0000000100000000 (reserved)
> (XEN)  0000000100000000 - 0000000340000000 (usable)
> (XEN) ACPI: RSDP 000F9E10, 0024 (r2 ACPIAM)
> (XEN) ACPI: XSDT BF770100, 0094 (r1 NEC             20090424 MSFT
> 97)
> (XEN) ACPI: FACP BF770290, 00F4 (r4 042409 FACP1917 20090424 MSFT
> 97)
> (XEN) ACPI: DSDT BF770670, 5BFB (r2  10601 10601000        0 INTL
> 20051117)
> (XEN) ACPI: FACS BF77E000, 0040
> (XEN) ACPI: APIC BF770390, 00D2 (r2 042409 APIC1917 20090424 MSFT
> 97)
> (XEN) ACPI: MCFG BF770470, 003C (r1 042409 OEMMCFG  20090424 MSFT
> 97)
> (XEN) ACPI: SLIC BF7704B0, 0176 (r1 NEC             20090424 MSFT
> 97)
> (XEN) ACPI: ERST BF770630, 0040 (r1 042409 WHEA1917 20090424 MSFT
> 97)
> (XEN) ACPI: OEMB BF77E040, 007B (r1 042409 OEMB1917 20090424 MSFT
> 97)
> (XEN) ACPI: SRAT BF77A670, 01D0 (r1 042409 OEMSRAT         1 INTL
> 1)
> (XEN) ACPI: HPET BF77A840, 0038 (r1 042409 OEMHPET  20090424 MSFT
> 97)
> (XEN) ACPI: DMAR BF77E0C0, 0118 (r1    AMI  OEMDMAR        1 MSFT
> 97)
> (XEN) ACPI: SSDT BF781DF0, 0363 (r1 DpgPmm    CpuPm       12 INTL
> 20051117)
> (XEN) ACPI: EINJ BF77A880, 0130 (r1  AMIER AMI_EINJ 20090424 MSFT
> 97)
> (XEN) ACPI: BERT BF77AA10, 0030 (r1  AMIER AMI_BERT 20090424 MSFT
> 97)
> (XEN) ACPI: ERST BF77AA40, 01B0 (r1  AMIER AMI_ERST 20090424 MSFT
> 97)
> (XEN) ACPI: HEST BF77ABF0, 00A8 (r1  AMIER AMI_HEST 20090424 MSFT
> 97)
> (XEN) System RAM: 12045MB (12334808kB)
> (XEN) SRAT: PXM 0 -> APIC 0 -> Node 0
> (XEN) SRAT: PXM 0 -> APIC 2 -> Node 0
> (XEN) SRAT: PXM 0 -> APIC 4 -> Node 0
> (XEN) SRAT: PXM 0 -> APIC 6 -> Node 0
> (XEN) SRAT: PXM 0 -> APIC 1 -> Node 0
> (XEN) SRAT: PXM 0 -> APIC 3 -> Node 0
> (XEN) SRAT: PXM 0 -> APIC 5 -> Node 0
> (XEN) SRAT: PXM 0 -> APIC 7 -> Node 0
> (XEN) SRAT: PXM 1 -> APIC 16 -> Node 1
> (XEN) SRAT: PXM 1 -> APIC 18 -> Node 1
> (XEN) SRAT: PXM 1 -> APIC 20 -> Node 1
> (XEN) SRAT: PXM 1 -> APIC 22 -> Node 1
> (XEN) SRAT: PXM 1 -> APIC 17 -> Node 1
> (XEN) SRAT: PXM 1 -> APIC 19 -> Node 1
> (XEN) SRAT: PXM 1 -> APIC 21 -> Node 1
> (XEN) SRAT: PXM 1 -> APIC 23 -> Node 1
> (XEN) SRAT: Node 0 PXM 0 0-a0000
> (XEN) SRAT: Node 0 PXM 0 100000-c0000000
> (XEN) SRAT: Node 0 PXM 0 100000000-1c0000000
> (XEN) SRAT: Node 1 PXM 1 1c0000000-340000000
> (XEN) NUMA: Allocated memnodemap from 33fdfb000 - 33fdff000
> (XEN) NUMA: Using 8 for the hash shift.
> (XEN) Domain heap initialised DMA width 30 bits
> (XEN) found SMP MP-table at 000ff780
> (XEN) DMI present.
> (XEN) Using APIC driver default
> (XEN) ACPI: PM-Timer IO Port: 0x808
> (XEN) ACPI: ACPI SLEEP INFO: pm1x_cnt[804,0], pm1x_evt[800,0]
> (XEN) ACPI:                  wakeup_vec[bf77e00c], vec_size[20]
> (XEN) ACPI: Local APIC address 0xfee00000
> (XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
> (XEN) Processor #0 7:10 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x10] enabled)
> (XEN) Processor #16 7:10 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x03] lapic_id[0x02] enabled)
> (XEN) Processor #2 7:10 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x04] lapic_id[0x12] enabled)
> (XEN) Processor #18 7:10 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x05] lapic_id[0x04] enabled)
> (XEN) Processor #4 7:10 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x06] lapic_id[0x14] enabled)
> (XEN) Processor #20 7:10 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x07] lapic_id[0x06] enabled)
> (XEN) Processor #6 7:10 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x08] lapic_id[0x16] enabled)
> (XEN) Processor #22 7:10 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x09] lapic_id[0x01] enabled)
> (XEN) Processor #1 7:10 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x0a] lapic_id[0x11] enabled)
> (XEN) Processor #17 7:10 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x0b] lapic_id[0x03] enabled)
> (XEN) Processor #3 7:10 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x0c] lapic_id[0x13] enabled)
> (XEN) Processor #19 7:10 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x0d] lapic_id[0x05] enabled)
> (XEN) Processor #5 7:10 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x0e] lapic_id[0x15] enabled)
> (XEN) Processor #21 7:10 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x0f] lapic_id[0x07] enabled)
> (XEN) Processor #7 7:10 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x10] lapic_id[0x17] enabled)
> (XEN) Processor #23 7:10 APIC version 21
> (XEN) ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
> (XEN) Overriding APIC driver with bigsmp
> (XEN) ACPI: IOAPIC (id[0x08] address[0xfec00000] gsi_base[0])
> (XEN) IOAPIC[0]: apic_id 8, version 32, address 0xfec00000, GSI 0-23
> (XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
> (XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 20 low level)
> (XEN) ACPI: IRQ0 used by override.
> (XEN) ACPI: IRQ2 used by override.
> (XEN) ACPI: IRQ9 used by override.
> (XEN) Enabling APIC mode:  Phys.  Using 1 I/O APICs
> (XEN) ACPI: HPET id: 0xffffffff base: 0xfed00000
> (XEN) [VT-D]dmar.c:679: Host address width 40
> (XEN) [VT-D]dmar.c:694: found ACPI_DMAR_DRHD:
> (XEN) [VT-D]dmar.c:398:   dmaru->address = fbffe000
> (XEN) [VT-D]dmar.c:340:   IOAPIC: f0:1f.7
> (XEN) [VT-D]dmar.c:411:   flags: INCLUDE_ALL
> (XEN) [VT-D]dmar.c:699: found ACPI_DMAR_RMRR:
> (XEN) [VT-D]dmar.c:334:   endpoint: 0:1d.0
> (XEN) [VT-D]dmar.c:334:   endpoint: 0:1d.1
> (XEN) [VT-D]dmar.c:334:   endpoint: 0:1d.2
> (XEN) [VT-D]dmar.c:334:   endpoint: 0:1d.7
> (XEN) [VT-D]dmar.c:334:   endpoint: 0:1a.0
> (XEN) [VT-D]dmar.c:334:   endpoint: 0:1a.1
> (XEN) [VT-D]dmar.c:334:   endpoint: 0:1a.2
> (XEN) [VT-D]dmar.c:334:   endpoint: 0:1a.7
> (XEN) [VT-D]dmar.c:571:   RMRR region: base_addr ec000 end_address effff
> (XEN) [VT-D]dmar.c:699: found ACPI_DMAR_RMRR:
> (XEN) [VT-D]dmar.c:334:   endpoint: 0:1d.0
> (XEN) [VT-D]dmar.c:334:   endpoint: 0:1d.1
> (XEN) [VT-D]dmar.c:334:   endpoint: 0:1d.2
> (XEN) [VT-D]dmar.c:334:   endpoint: 0:1d.7
> (XEN) [VT-D]dmar.c:334:   endpoint: 0:1a.0
> (XEN) [VT-D]dmar.c:334:   endpoint: 0:1a.1
> (XEN) [VT-D]dmar.c:334:   endpoint: 0:1a.2
> (XEN) [VT-D]dmar.c:334:   endpoint: 0:1a.7
> (XEN) [VT-D]dmar.c:571:   RMRR region: base_addr bf7ec000 end_address
> bf7fffff
> (XEN) [VT-D]dmar.c:704: found ACPI_DMAR_ATSR:
> (XEN) [VT-D]dmar.c:599:   atsru->all_ports: 0
> (XEN) [VT-D]dmar.c:320:   bridge: 0:1.0  start = 0 sec = 1  sub = 1
> (XEN) [VT-D]dmar.c:320:   bridge: 0:3.0  start = 0 sec = 2  sub = 2
> (XEN) [VT-D]dmar.c:320:   bridge: 0:7.0  start = 0 sec = 3  sub = 3
> (XEN) PCI: MCFG configuration 0: base e0000000 segment 0 buses 0 - 255
> (XEN) PCI: Not using MMCONFIG.
> (XEN) Using ACPI (MADT) for SMP configuration information
> (XEN) Using scheduler: SMP Credit Scheduler (credit)
> (XEN) Detected 2266.790 MHz processor.
> (XEN) Initing memory sharing.
> (XEN) VMX: Supported advanced features:
> (XEN)  - APIC MMIO access virtualisation
> (XEN)  - APIC TPR shadow
> (XEN)  - Extended Page Tables (EPT)
> (XEN)  - Virtual-Processor Identifiers (VPID)
> (XEN)  - Virtual NMI
> (XEN)  - MSR direct-access bitmap
> (XEN) HVM: ASIDs enabled.
> (XEN) HVM: VMX enabled
> (XEN) HVM: Hardware Assisted Paging detected.
> (XEN) Intel machine check reporting enabled
> (XEN) [VT-D]iommu.c:1078: drhd->address = fbffe000 iommu->reg =
> ffff82c3fff57000
> (XEN) [VT-D]iommu.c:1080: cap = c90780106f0462 ecap = f0207e
> (XEN) Intel VT-d Snoop Control not supported.
> (XEN) Intel VT-d DMA Passthrough not supported.
> (XEN) Intel VT-d Queued Invalidation supported.
> (XEN) Intel VT-d Interrupt Remapping supported.
> (XEN) I/O virtualisation enabled
> (XEN) I/O virtualisation for PV guests disabled
> (XEN) Total of 16 processors activated.
> (XEN) ENABLING IO-APIC IRQs
> (XEN)  -> Using new ACK method
> (XEN) ..TIMER: vector=0xF0 apic1=0 pin1=2 apic2=-1 pin2=-1
> (XEN) TSC is reliable, synchronization unnecessary
> (XEN) Platform timer is 14.318MHz HPET
> ?(XEN) Allocated console ring of 128 KiB.
> (XEN) microcode.c:73:d32767 microcode: CPU1 resumed
> (XEN) microcode.c:73:d32767 microcode: CPU9 resumed
> (XEN) microcode.c:73:d32767 microcode: CPU14 resumed
> (XEN) microcode.c:73:d32767 microcode: CPU6 resumed
> (XEN) microcode.c:73:d32767 microcode: CPU3 resumed
> (XEN) microcode.c:73:d32767 microcode: CPU11 resumed
> (XEN) microcode.c:73:d32767 microcode: CPU8 resumed
> (XEN) microcode.c:73:d32767 microcode: CPU7 resumed
> (XEN) microcode.c:73:d32767 microcode: CPU15 resumed
> (XEN) microcode.c:73:d32767 microcode: CPU2 resumed
> (XEN) microcode.c:73:d32767 microcode: CPU5 resumed
> (XEN) microcode.c:73:d32767 microcode: CPU13 resumed
> (XEN) microcode.c:73:d32767 microcode: CPU4 resumed
> (XEN) microcode.c:73:d32767 microcode: CPU10 resumed
> (XEN) Brought up 16 CPUs
> (XEN) microcode.c:73:d32767 microcode: CPU12 resumed
> (XEN) Turbo Mode detected!
> (XEN) HPET's MSI mode hasn't been supported when Interrupt Remapping is
> enabled.
> (XEN) ACPI sleep modes: S3
> (XEN) mcheck_poll: Machine check polling timer started.
> (XEN) [VT-D]iommu.c:1325: d0:PCIe: map bdf = 0:0.0
> (XEN) [VT-D]iommu.c:1325: d0:PCIe: map bdf = 0:14.0
> (XEN) [VT-D]iommu.c:1325: d0:PCIe: map bdf = 0:14.1
> (XEN) [VT-D]iommu.c:1325: d0:PCIe: map bdf = 0:14.2
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = 0:14.3
> (XEN) [VT-D]iommu.c:1325: d0:PCIe: map bdf = 0:16.0
> (XEN) [VT-D]iommu.c:1325: d0:PCIe: map bdf = 0:16.1
> (XEN) [VT-D]iommu.c:1325: d0:PCIe: map bdf = 0:16.2
> (XEN) [VT-D]iommu.c:1325: d0:PCIe: map bdf = 0:16.3
> (XEN) [VT-D]iommu.c:1325: d0:PCIe: map bdf = 0:16.4
> (XEN) [VT-D]iommu.c:1325: d0:PCIe: map bdf = 0:16.5
> (XEN) [VT-D]iommu.c:1325: d0:PCIe: map bdf = 0:16.6
> (XEN) [VT-D]iommu.c:1325: d0:PCIe: map bdf = 0:16.7
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = 0:1a.0
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = 0:1a.1
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = 0:1a.2
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = 0:1a.7
> (XEN) [VT-D]iommu.c:1325: d0:PCIe: map bdf = 0:1b.0
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = 0:1d.0
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = 0:1d.1
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = 0:1d.2
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = 0:1d.7
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = 0:1f.0
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = 0:1f.2
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = 0:1f.3
> (XEN) [VT-D]iommu.c:1325: d0:PCIe: map bdf = 1:0.0
> (XEN) [VT-D]iommu.c:1325: d0:PCIe: map bdf = 3:0.0
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = 5:e.0
> (XEN) [VT-D]iommu.c:1325: d0:PCIe: map bdf = 7:0.0
> (XEN) [VT-D]iommu.c:1325: d0:PCIe: map bdf = 8:0.0
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = fe:0.0
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = fe:0.1
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = fe:2.0
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = fe:2.1
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = fe:2.4
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = fe:2.5
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = fe:3.0
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = fe:3.1
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = fe:3.2
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = fe:3.4
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = fe:4.0
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = fe:4.1
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = fe:4.2
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = fe:4.3
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = fe:5.0
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = fe:5.1
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = fe:5.2
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = fe:5.3
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = fe:6.0
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = fe:6.1
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = fe:6.2
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = fe:6.3
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = ff:0.0
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = ff:0.1
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = ff:2.0
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = ff:2.1
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = ff:2.4
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = ff:2.5
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = ff:3.0
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = ff:3.1
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = ff:3.2
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = ff:3.4
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = ff:4.0
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = ff:4.1
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = ff:4.2
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = ff:4.3
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = ff:5.0
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = ff:5.1
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = ff:5.2
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = ff:5.3
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = ff:6.0
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = ff:6.1
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = ff:6.2
> (XEN) [VT-D]iommu.c:1332: d0:PCI: map bdf = ff:6.3
> (XEN) [VT-D]iommu.c:695: iommu_enable_translation: iommu->reg =
> ffff82c3fff57000
> (XEN) *** LOADING DOMAIN 0 ***
> (XEN)  Xen  kernel: 64-bit, lsb, compat32
> (XEN)  Dom0 kernel: 64-bit, PAE, lsb, paddr 0x1000000 -> 0x26b6000
> (XEN) PHYSICAL MEMORY ARRANGEMENT:
> (XEN)  Dom0 alloc.:   0000000100000000->0000000120000000 (2937045 pages
> to be allocated)
> (XEN) VIRTUAL MEMORY ARRANGEMENT:
> (XEN)  Loaded kernel: ffffffff81000000->ffffffff826b6000
> (XEN)  Init. ramdisk: ffffffff826b6000->ffffffff8f7d7600
> (XEN)  Phys-Mach map: ffffffff8f7d8000->ffffffff90f406a8
> (XEN)  Start info:    ffffffff90f41000->ffffffff90f414b4
> (XEN)  Page tables:   ffffffff90f42000->ffffffff90fcf000
> (XEN)  Boot stack:    ffffffff90fcf000->ffffffff90fd0000
> (XEN)  TOTAL:         ffffffff80000000->ffffffff91400000
> (XEN)  ENTRY ADDRESS: ffffffff819be200
> (XEN) Dom0 has maximum 16 VCPUs
> (XEN) Scrubbing Free RAM: .done.
> (XEN) Xen trace buffers: disabled
> (XEN) Std. Loglevel: All
> (XEN) Guest Loglevel: All
> (XEN) **********************************************
> (XEN) ******* WARNING: CONSOLE OUTPUT IS SYNCHRONOUS
> (XEN) ******* This option is intended to aid debugging of Xen by
> ensuring
> (XEN) ******* that all output is synchronously delivered on the serial
> line.
> (XEN) ******* However it can introduce SIGNIFICANT latencies and affect
> (XEN) ******* timekeeping. It is NOT recommended for production use!
> (XEN) **********************************************
> (XEN) 3... 2... 1... 
> (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch
> input to Xen)
> (XEN) Freed 164kB init memory.
> mapping kernel into physical memory
> Xen: setup ISA identity maps
> about to get started...
> (XEN) PCI add device 00:00.0
> (XEN) PCI add device 00:01.0
> (XEN) PCI add device 00:03.0
> (XEN) PCI add device 00:07.0
> (XEN) PCI add device 00:14.0
> (XEN) PCI add device 00:14.1
> (XEN) PCI add device 00:14.2
> (XEN) PCI add device 00:14.3
> (XEN) PCI add device 00:16.0
> (XEN) PCI add device 00:16.1
> (XEN) PCI add device 00:16.2
> (XEN) PCI add device 00:16.3
> (XEN) PCI add device 00:16.4
> (XEN) PCI add device 00:16.5
> (XEN) PCI add device 00:16.6
> (XEN) PCI add device 00:16.7
> (XEN) PCI add device 00:1a.0
> (XEN) PCI add device 00:1a.1
> (XEN) PCI add device 00:1a.2
> (XEN) PCI add device 00:1a.7
> (XEN) PCI add device 00:1b.0
> (XEN) PCI add device 00:1c.0
> (XEN) PCI add device 00:1c.4
> (XEN) PCI add device 00:1c.5
> (XEN) PCI add device 00:1d.0
> (XEN) PCI add device 00:1d.1
> (XEN) PCI add device 00:1d.2
> (XEN) PCI add device 00:1d.7
> (XEN) PCI add device 00:1e.0
> (XEN) PCI add device 00:1f.0
> (XEN) PCI add device 00:1f.2
> (XEN) PCI add device 00:1f.3
> (XEN) PCI add device 01:00.0
> (XEN) PCI add device 03:00.0
> (XEN) PCI add device 04:00.0
> (XEN) PCI add device 04:00.2
> (XEN) PCI add device 05:0e.0
> (XEN) PCI add device 07:00.0
> (XEN) PCI add device 08:00.0
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-1 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-1 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-1 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-1 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-1 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-1 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-1 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-1 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-1 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-1 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-1 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-1 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-1 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-1 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-1 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-1 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) cpuid.MWAIT[.eax=40, .ebx=40, .ecx=3, .edx=1120]
> (XEN) Monitor-Mwait will be used to enter C-3 state
> (XEN) irq.c:1139:d0 Cannot bind IRQ 4 to guest. In use by 'ns16550'.
> (XEN) irq.c:1139:d0 Cannot bind IRQ 2 to guest. In use by 'cascade'.
> (XEN) irq.c:1139:d0 Cannot bind IRQ 4 to guest. In use by 'ns16550'.
> (XEN) irq.c:1139:d0 Cannot bind IRQ 2 to guest. In use by 'cascade'.
> (XEN) irq.c:1139:d0 Cannot bind IRQ 4 to guest. In use by 'ns16550'.
> (XEN) irq.c:1139:d0 Cannot bind IRQ 2 to guest. In use by 'cascade'.
> (XEN) irq.c:1139:d0 Cannot bind IRQ 4 to guest. In use by 'ns16550'.
> (XEN) irq.c:1139:d0 Cannot bind IRQ 2 to guest. In use by 'cascade'.
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 203a09000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 203a09
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 203eba000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 203eba
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 204e11000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 204e11
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 2061e2000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 2061e2
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 205043000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 205043
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 20552b000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 20552b
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 205708000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 205708
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 2060c0000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 2060c0
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 206591000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 206591
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 204353000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 204353
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 2061f2000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 2061f2
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 204306000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 204306
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 205f6b000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 205f6b
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 205665000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 205665
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 2045a0000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 2045a0
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 205669000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 205669
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 2042c6000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 2042c6
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 2061fe000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 2061fe
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 20560a000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 20560a
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 206003000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 206003
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 20583e000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 20583e
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 205615000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 205615
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 204265000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 204265
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 207498000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 207498
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 2049d1000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 2049d1
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 20488e000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 20488e
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 205495000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 205495
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 2072d8000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 2072d8
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 2055ae000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 2055ae
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 205544000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 205544
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 204865000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 204865
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 2074be000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 2074be
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> 
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 204865000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 204865
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 2074be000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 2074be
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> 
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 204865000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 204865
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 2074be000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 2074be
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> 
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 204865000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 204865
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 2074be000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 2074be
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> 
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 204865000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 204865
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 2074be000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 2074be
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> 
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 204865000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 204865
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 2074be000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 2074be
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> 
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 204865000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 204865
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 2074be000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 2074be
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> 
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 204865000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 204865
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 2074be000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 2074be
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> 
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 204865000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 204865
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 2074be000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 2074be
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> 
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 204865000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 204865
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 2074be000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 2074be
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> 
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 204865000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 204865
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> (XEN) [VT-D]iommu.c:821: iommu_fault_status: Primary Pending Fault
> (XEN) [VT-D]iommu.c:796: DMAR:[DMA Write] Request device [05:08.0] fault
> addr 2074be000, iommu reg = ffff82c3fff57000
> (XEN) DMAR:[fault reason 02h] Present bit in context entry is clear
> (XEN) print_vtd_entries: iommu = ffff83013fffaee0 bdf = 5:8.0 gmfn =
> 2074be
> (XEN)     root_entry = ffff83013ff37000
> (XEN)     root_entry[5] = 13cf12001
> (XEN)     context = ffff83013cf12000
> (XEN)     context[40] = 0_0
> (XEN)     ctxt_entry[40] not present
> 
> 
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