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Re: [Xen-users] Xen 4.6.0: Dom0 freezes at creation of HVM domain with activated IOMMU



I'm adding the AMD IOMMU maintainer.

On Sat, May 07, 2016 at 06:06:57PM +0200, Rüdiger Otte wrote:
> Hi,
> 
> after upgrading my AMD A8-6500 based system from Xen 4.4.1 to 4.6.0
> I'm no longer able to start HVM domains with activated IOMMU. Trying
> to create a HVM domain just let the whole system freeze.
> 
> Probably this is a problem with broken firmware but I wonder if there
> would be a way to work around this, since with 4.4.1 everything is
> running fine even with PCI passthrough of Network, USB and VGA,
> as long as I give ivrs_ioapic option to Xen commandline.
> 
> Attached is the output of "xl dmesg" of 4.6.0 and 4.4.1. Because of
> the immediate system freeze debug output of 4.6.0 is only to the
> point where HVM domain would start.
> 
> What I have tried so far:
> - Disabling IOMMU in BIOS or Xen lets HVM domain start. It seems to
>   lack graphical output but that's probably a different topic.
> - Disabling CPU frequency scaling in BIOS or Xen just leads to the
>   same failure.
> - Disabling CPU C6 state in BIOS lets system reboot at HVM domain
>   creation with Xen 4.4.1.

Is there any chance that you could get the serial output of that box? Xen 
might print some messages before completely freezing, without that I think 
it's going to be quite hard to debug what's going on.

> Any help is appreciated!
> 
> Thanks,
> Ruediger

> (XEN) Xen version 4.4.1 (Debian 4.4.1-9.rebuild) (ruediger.otte@xxxxxxx) (gcc 
> (Debian 4.9.2-10) 4.9.2) debug=n Sun May 24 16:09:40 CEST 2015
> (XEN) Bootloader: GRUB 2.02~beta2-22+deb8u1
> (XEN) Command line: placeholder reboot=no loglvl=all guest_loglvl=all 
> ivrs_ioapic[0]=00:14.0 irq_ratelimit dom0_mem=4194304 dom0_vcpus_pin=true 
> dom0_max_vcpus=2 vcpu_migration_delay=1000 shed_smt_powersavings=false 
> cpufreq=xen vpmu=off noserialnumber=true console=vga console_timestamps=boot 
> vga=text-80x30
> (XEN) Video information:
> (XEN)  VGA is text mode 80x30, font 8x16
> (XEN)  VBE/DDC methods: V2; EDID transfer time: 1 seconds
> (XEN) Disc information:
> (XEN)  Found 2 MBR signatures
> (XEN)  Found 2 EDD information structures
> (XEN) Xen-e820 RAM map:
> (XEN)  0000000000000000 - 000000000009e800 (usable)
> (XEN)  000000000009e800 - 00000000000a0000 (reserved)
> (XEN)  00000000000e0000 - 0000000000100000 (reserved)
> (XEN)  0000000000100000 - 000000008cefa000 (usable)
> (XEN)  000000008cefa000 - 000000008cf2a000 (reserved)
> (XEN)  000000008cf2a000 - 000000008d1ed000 (usable)
> (XEN)  000000008d1ed000 - 000000008d2b9000 (ACPI NVS)
> (XEN)  000000008d2b9000 - 000000008e1c7000 (reserved)
> (XEN)  000000008e1c7000 - 000000008e1c8000 (usable)
> (XEN)  000000008e1c8000 - 000000008e3ce000 (ACPI NVS)
> (XEN)  000000008e3ce000 - 000000008e850000 (usable)
> (XEN)  000000008e850000 - 000000008efe1000 (reserved)
> (XEN)  000000008efe1000 - 000000008f000000 (usable)
> (XEN)  00000000fec00000 - 00000000fec01000 (reserved)
> (XEN)  00000000fec10000 - 00000000fec11000 (reserved)
> (XEN)  00000000fed00000 - 00000000fed01000 (reserved)
> (XEN)  00000000fed80000 - 00000000fed90000 (reserved)
> (XEN)  00000000ff000000 - 0000000100000000 (reserved)
> (XEN)  0000000100000000 - 000000044f000000 (usable)
> (XEN) ACPI: RSDP 000F0490, 0024 (r2 ALASKA)
> (XEN) ACPI: XSDT 8D271080, 0084 (r1 ALASKA    A M I  1072009 AMI     10013)
> (XEN) ACPI: FACP 8D277208, 010C (r5 ALASKA    A M I  1072009 AMI     10013)
> (XEN) ACPI Warning (tbfadt-0464): Optional field "Pm2ControlBlock" has zero 
> address or length: 0000000000000000/1 [20070126]
> (XEN) ACPI: DSDT 8D2711A0, 6067 (r2 ALASKA    A M I        0 INTL 20051117)
> (XEN) ACPI: FACS 8D2AE080, 0040
> (XEN) ACPI: APIC 8D277318, 0072 (r3 ALASKA    A M I  1072009 AMI     10013)
> (XEN) ACPI: FPDT 8D277390, 0044 (r1 ALASKA    A M I  1072009 AMI     10013)
> (XEN) ACPI: MCFG 8D2773D8, 003C (r1 ALASKA    A M I  1072009 MSFT    10013)
> (XEN) ACPI: HPET 8D277418, 0038 (r1 ALASKA    A M I  1072009 AMI         5)
> (XEN) ACPI: IVRS 8D277450, 0068 (r2    AMD BANTRY          1 AMD         0)
> (XEN) ACPI: SSDT 8D2774B8, 0B9C (r1    AMD BANTRY          1 AMD         1)
> (XEN) ACPI: SSDT 8D278058, 04B7 (r2    AMD BANTRY          1 MSFT  4000000)
> (XEN) ACPI: CRAT 8D278510, 0578 (r1    AMD BANTRY          1 AMD         1)
> (XEN) ACPI: SSDT 8D278A88, 1459 (r1    AMD CPMDFIGP        1 INTL 20051117)
> (XEN) ACPI: SSDT 8D279EE8, 0852 (r1    AMD CPMDFDGP        1 INTL 20051117)
> (XEN) ACPI: SSDT 8D27A740, 122C (r1    AMD   CPMCMN        1 INTL 20051117)
> (XEN) System RAM: 15813MB (16193524kB)
> (XEN) No NUMA configuration found
> (XEN) Faking a node at 0000000000000000-000000044f000000
> (XEN) Domain heap initialised
> (XEN) found SMP MP-table at 000fd7e0
> (XEN) DMI 2.7 present.
> (XEN) Using APIC driver default
> (XEN) ACPI: PM-Timer IO Port: 0x808
> (XEN) ACPI: v5 SLEEP INFO: control[0:0], status[0:0]
> (XEN) ACPI: SLEEP INFO: pm1x_cnt[804,0], pm1x_evt[800,0]
> (XEN) ACPI: 32/64X FACS address mismatch in FADT - 8d2ae080/0000000000000000, 
> using 32
> (XEN) ACPI:             wakeup_vec[8d2ae08c], vec_size[20]
> (XEN) ACPI: Local APIC address 0xfee00000
> (XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x10] enabled)
> (XEN) Processor #16 5:3 APIC version 16
> (XEN) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x11] enabled)
> (XEN) Processor #17 5:3 APIC version 16
> (XEN) ACPI: LAPIC (acpi_id[0x03] lapic_id[0x12] enabled)
> (XEN) Processor #18 5:3 APIC version 16
> (XEN) ACPI: LAPIC (acpi_id[0x04] lapic_id[0x13] enabled)
> (XEN) Processor #19 5:3 APIC version 16
> (XEN) ACPI: LAPIC_NMI (acpi_id[0xff] high edge lint[0x1])
> (XEN) ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0])
> (XEN) IOAPIC[0]: apic_id 0, version 33, 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 9 low level)
> (XEN) ACPI: IRQ0 used by override.
> (XEN) ACPI: IRQ2 used by override.
> (XEN) ACPI: IRQ9 used by override.
> (XEN) Enabling APIC mode:  Flat.  Using 1 I/O APICs
> (XEN) ACPI: HPET id: 0x10228210 base: 0xfed00000
> (XEN) ERST table was not found
> (XEN) Using ACPI (MADT) for SMP configuration information
> (XEN) SMP: Allowing 4 CPUs (0 hotplug CPUs)
> (XEN) IRQ limits: 24 GSI, 760 MSI/MSI-X
> (XEN) Using scheduler: SMP Credit Scheduler (credit)
> (XEN) Detected 3493.695 MHz processor.
> (XEN) Initing memory sharing.
> (XEN) xstate_init: using cntxt_size: 0x3c0 and states: 0x4000000000000007
> (XEN) AMD Fam15h machine check reporting enabled
> (XEN) PCI: MCFG configuration 0: base e0000000 segment 0000 buses 00 - ff
> (XEN) PCI: Not using MCFG for segment 0000 bus 00-ff
> (XEN) AMD-Vi: IOMMU Extended Features:
> (XEN)  - Prefetch Pages Command
> (XEN)  - Peripheral Page Service Request
> (XEN)  - Guest Translation
> (XEN)  - Invalidate All Command
> (XEN) AMD-Vi: IOMMU 0 Enabled.
> (XEN) I/O virtualisation enabled
> (XEN)  - Dom0 mode: Relaxed
> (XEN) Interrupt remapping enabled
> (XEN) ENABLING IO-APIC IRQs
> (XEN)  -> Using new ACK method
> (XEN) ..TIMER: vector=0xF0 apic1=0 pin1=2 apic2=-1 pin2=-1
> (XEN) [2016-05-07 14:33:46] Platform timer is 14.318MHz HPET
> (XEN) [2016-05-07 14:33:46] Allocated console ring of 32 KiB.
> (XEN) [2016-05-07 14:33:46] HVM: ASIDs enabled.
> (XEN) [2016-05-07 14:33:46] SVM: Supported advanced features:
> (XEN) [2016-05-07 14:33:46]  - Nested Page Tables (NPT)
> (XEN) [2016-05-07 14:33:46]  - Last Branch Record (LBR) Virtualisation
> (XEN) [2016-05-07 14:33:46]  - Next-RIP Saved on #VMEXIT
> (XEN) [2016-05-07 14:33:46]  - VMCB Clean Bits
> (XEN) [2016-05-07 14:33:46]  - DecodeAssists
> (XEN) [2016-05-07 14:33:46]  - Pause-Intercept Filter
> (XEN) [2016-05-07 14:33:46]  - TSC Rate MSR
> (XEN) [2016-05-07 14:33:46] HVM: SVM enabled
> (XEN) [2016-05-07 14:33:46] HVM: Hardware Assisted Paging (HAP) detected
> (XEN) [2016-05-07 14:33:46] HVM: HAP page sizes: 4kB, 2MB, 1GB
> (XEN) [2016-05-07 14:33:46] HVM: PVH mode not supported on this platform
> (XEN) [2016-05-07 14:33:46] microcode: CPU1 collect_cpu_info: 
> patch_id=0x6001119
> (XEN) [2016-05-07 14:33:46] microcode: CPU2 collect_cpu_info: 
> patch_id=0x6001119
> (XEN) [2016-05-07 14:33:46] microcode: CPU3 collect_cpu_info: 
> patch_id=0x6001119
> (XEN) [2016-05-07 14:33:46] Brought up 4 CPUs
> (XEN) [2016-05-07 14:33:46] ACPI sleep modes: S3
> (XEN) [2016-05-07 14:33:46] MCA: Use hw thresholding to adjust polling 
> frequency
> (XEN) [2016-05-07 14:33:46] mcheck_poll: Machine check polling timer started.
> (XEN) [2016-05-07 14:33:46] *** LOADING DOMAIN 0 ***
> (XEN) [2016-05-07 14:33:46]  Xen  kernel: 64-bit, lsb, compat32
> (XEN) [2016-05-07 14:33:46]  Dom0 kernel: 64-bit, PAE, lsb, paddr 0x1000000 
> -> 0x1922000
> (XEN) [2016-05-07 14:33:46] PHYSICAL MEMORY ARRANGEMENT:
> (XEN) [2016-05-07 14:33:46]  Dom0 alloc.:   
> 000000041e000000->0000000420000000 (1038434 pages to be allocated)
> (XEN) [2016-05-07 14:33:46]  Init. ramdisk: 000000044e862000->000000044efff5a7
> (XEN) [2016-05-07 14:33:46] VIRTUAL MEMORY ARRANGEMENT:
> (XEN) [2016-05-07 14:33:46]  Loaded kernel: ffffffff81000000->ffffffff81922000
> (XEN) [2016-05-07 14:33:46]  Init. ramdisk: 0000000000000000->0000000000000000
> (XEN) [2016-05-07 14:33:46]  Phys-Mach map: 0000008000000000->0000008000800000
> (XEN) [2016-05-07 14:33:46]  Start info:    ffffffff81922000->ffffffff819224b4
> (XEN) [2016-05-07 14:33:46]  Page tables:   ffffffff81923000->ffffffff81934000
> (XEN) [2016-05-07 14:33:46]  Boot stack:    ffffffff81934000->ffffffff81935000
> (XEN) [2016-05-07 14:33:46]  TOTAL:         ffffffff80000000->ffffffff81c00000
> (XEN) [2016-05-07 14:33:46]  ENTRY ADDRESS: ffffffff817921f0
> (XEN) [2016-05-07 14:33:46] Dom0 has maximum 2 VCPUs
> (XEN) [2016-05-07 14:33:47] setup 0000:00:00.2 for d0 failed (-19)
> (XEN) [2016-05-07 14:33:47] Scrubbing Free RAM: 
> ..............................................................................................................done.
> (XEN) [2016-05-07 14:33:50] Initial low memory virq threshold set at 0x4000 
> pages.
> (XEN) [2016-05-07 14:33:50] Std. Loglevel: All
> (XEN) [2016-05-07 14:33:50] Guest Loglevel: All
> (XEN) [2016-05-07 14:33:50] Xen is relinquishing VGA console.
> (XEN) [2016-05-07 14:33:50] *** Serial input -> DOM0 (type 'CTRL-a' three 
> times to switch input to Xen)
> (XEN) [2016-05-07 14:33:50] Freed 284kB init memory.
> (XEN) [2016-05-07 14:33:50] traps.c:2514:d0 Domain attempted WRMSR 
> 0000000000000413 from 0xc008000001000000 to 0x8008000001000000.
> (XEN) [2016-05-07 14:33:50] traps.c:2514:d0 Domain attempted WRMSR 
> 00000000c001020b from 0x0000000000000000 to 0x000000000000ffff.
> (XEN) [2016-05-07 14:33:50] traps.c:2514:d0 Domain attempted WRMSR 
> 0000000000000413 from 0xc008000001000000 to 0x8008000001000000.
> (XEN) [2016-05-07 14:33:50] PCI add device 0000:00:00.0
> (XEN) [2016-05-07 14:33:50] PCI add device 0000:00:00.2
> (XEN) [2016-05-07 14:33:50] PCI add device 0000:00:01.0
> (XEN) [2016-05-07 14:33:50] PCI add device 0000:00:01.1
> (XEN) [2016-05-07 14:33:50] PCI add device 0000:00:02.0
> (XEN) [2016-05-07 14:33:50] PCI add device 0000:00:04.0
> (XEN) [2016-05-07 14:33:50] PCI add device 0000:00:10.0
> (XEN) [2016-05-07 14:33:50] PCI add device 0000:00:10.1
> (XEN) [2016-05-07 14:33:50] PCI add device 0000:00:11.0
> (XEN) [2016-05-07 14:33:50] PCI add device 0000:00:12.0
> (XEN) [2016-05-07 14:33:50] PCI add device 0000:00:12.2
> (XEN) [2016-05-07 14:33:50] PCI add device 0000:00:13.0
> (XEN) [2016-05-07 14:33:50] PCI add device 0000:00:13.2
> (XEN) [2016-05-07 14:33:50] PCI add device 0000:00:14.0
> (XEN) [2016-05-07 14:33:50] PCI add device 0000:00:14.1
> (XEN) [2016-05-07 14:33:50] PCI add device 0000:00:14.2
> (XEN) [2016-05-07 14:33:50] PCI add device 0000:00:14.3
> (XEN) [2016-05-07 14:33:50] PCI add device 0000:00:14.4
> (XEN) [2016-05-07 14:33:50] PCI add device 0000:00:14.5
> (XEN) [2016-05-07 14:33:50] PCI add device 0000:00:18.0
> (XEN) [2016-05-07 14:33:50] PCI add device 0000:00:18.1
> (XEN) [2016-05-07 14:33:50] PCI add device 0000:00:18.2
> (XEN) [2016-05-07 14:33:50] PCI add device 0000:00:18.3
> (XEN) [2016-05-07 14:33:50] PCI add device 0000:00:18.4
> (XEN) [2016-05-07 14:33:50] PCI add device 0000:00:18.5
> (XEN) [2016-05-07 14:33:50] PCI add device 0000:01:00.0
> (XEN) [2016-05-07 14:33:50] PCI add device 0000:01:00.1
> (XEN) [2016-05-07 14:33:50] PCI add device 0000:02:00.0
> (XEN) [2016-05-07 14:33:51] PCI: Using MCFG for segment 0000 bus 00-ff
> (XEN) [2016-05-07 14:34:40] traps.c:2514:d1 Domain attempted WRMSR 
> 00000000c0010201 from 0x0000000000000000 to 0x000000000000ffff.
> (XEN) [2016-05-07 14:35:10] traps.c:2514:d2 Domain attempted WRMSR 
> 00000000c0010201 from 0x0000000000000000 to 0x000000000000abcd.
> (XEN) [2016-05-07 14:35:17] grant_table.c:289:d0 Increased maptrack size to 2 
> frames
> (d3) [2016-05-07 14:40:40] HVM Loader
> (d3) [2016-05-07 14:40:40] Detected Xen v4.4.1
> (d3) [2016-05-07 14:40:40] Xenbus rings @0xfeffc000, event channel 4
> (d3) [2016-05-07 14:40:40] System requested SeaBIOS
> (d3) [2016-05-07 14:40:40] CPU speed is 3494 MHz
> (d3) [2016-05-07 14:40:40] Relocating guest memory for lowmem MMIO space 
> disabled
> (XEN) [2016-05-07 14:40:40] irq.c:270: Dom3 PCI link 0 changed 0 -> 5
> (d3) [2016-05-07 14:40:40] PCI-ISA link 0 routed to IRQ5
> (XEN) [2016-05-07 14:40:40] irq.c:270: Dom3 PCI link 1 changed 0 -> 10
> (d3) [2016-05-07 14:40:40] PCI-ISA link 1 routed to IRQ10
> (XEN) [2016-05-07 14:40:40] irq.c:270: Dom3 PCI link 2 changed 0 -> 11
> (d3) [2016-05-07 14:40:40] PCI-ISA link 2 routed to IRQ11
> (XEN) [2016-05-07 14:40:40] irq.c:270: Dom3 PCI link 3 changed 0 -> 5
> (d3) [2016-05-07 14:40:40] PCI-ISA link 3 routed to IRQ5
> (d3) [2016-05-07 14:40:40] pci dev 01:3 INTA->IRQ10
> (d3) [2016-05-07 14:40:40] pci dev 02:0 INTA->IRQ11
> (d3) [2016-05-07 14:40:40] pci dev 03:0 INTA->IRQ5
> (d3) [2016-05-07 14:40:40] pci dev 04:0 INTA->IRQ5
> (d3) [2016-05-07 14:40:40] pci dev 1d:0 INTA->IRQ10
> (d3) [2016-05-07 14:40:40] pci dev 1d:1 INTB->IRQ11
> (d3) [2016-05-07 14:40:40] pci dev 1d:2 INTC->IRQ5
> (d3) [2016-05-07 14:40:40] pci dev 1d:7 INTD->IRQ5
> (d3) [2016-05-07 14:40:40] No RAM in high memory; setting high_mem resource 
> base to 100000000
> (d3) [2016-05-07 14:40:40] pci dev 02:0 bar 14 size 001000000: 0f0000008
> (d3) [2016-05-07 14:40:40] pci dev 05:0 bar 10 size 001000000: 0f1000008
> (d3) [2016-05-07 14:40:40] pci dev 05:0 bar 30 size 000010000: 0f2000000
> (d3) [2016-05-07 14:40:40] pci dev 04:0 bar 14 size 000001000: 0f2010000
> (d3) [2016-05-07 14:40:40] pci dev 05:0 bar 18 size 000001000: 0f2011000
> (d3) [2016-05-07 14:40:40] pci dev 1d:7 bar 10 size 000001000: 0f2012000
> (d3) [2016-05-07 14:40:40] pci dev 03:0 bar 10 size 000000400: 00000c001
> (d3) [2016-05-07 14:40:40] pci dev 02:0 bar 10 size 000000100: 00000c401
> (d3) [2016-05-07 14:40:40] pci dev 03:0 bar 14 size 000000100: 00000c501
> (d3) [2016-05-07 14:40:40] pci dev 04:0 bar 10 size 000000020: 00000c601
> (d3) [2016-05-07 14:40:40] pci dev 1d:0 bar 20 size 000000020: 00000c621
> (d3) [2016-05-07 14:40:40] pci dev 1d:1 bar 20 size 000000020: 00000c641
> (d3) [2016-05-07 14:40:40] pci dev 1d:2 bar 20 size 000000020: 00000c661
> (d3) [2016-05-07 14:40:40] pci dev 01:1 bar 20 size 000000010: 00000c681
> (d3) [2016-05-07 14:40:40] Multiprocessor initialisation:
> (d3) [2016-05-07 14:40:40]  - CPU0 ... 48-bit phys ... fixed MTRRs ... var 
> MTRRs [2/8] ... done.
> (d3) [2016-05-07 14:40:40]  - CPU1 ... 48-bit phys ... fixed MTRRs ... var 
> MTRRs [2/8] ... done.
> (d3) [2016-05-07 14:40:40] Writing SMBIOS tables ...
> (d3) [2016-05-07 14:40:40] Loading SeaBIOS ...
> (d3) [2016-05-07 14:40:40] Creating MP tables ...
> (d3) [2016-05-07 14:40:40] Loading ACPI ...
> (d3) [2016-05-07 14:40:40] vm86 TSS at fc00a080
> (d3) [2016-05-07 14:40:40] BIOS map:
> (d3) [2016-05-07 14:40:40]  10000-100d3: Scratch space
> (d3) [2016-05-07 14:40:40]  c0000-fffff: Main BIOS
> (d3) [2016-05-07 14:40:40] E820 table:
> (d3) [2016-05-07 14:40:40]  [00]: 00000000:00000000 - 00000000:000a0000: RAM
> (d3) [2016-05-07 14:40:40]  HOLE: 00000000:000a0000 - 00000000:000c0000
> (d3) [2016-05-07 14:40:40]  [01]: 00000000:000c0000 - 00000000:00100000: 
> RESERVED
> (d3) [2016-05-07 14:40:40]  [02]: 00000000:00100000 - 00000000:7e000000: RAM
> (d3) [2016-05-07 14:40:40]  HOLE: 00000000:7e000000 - 00000000:fc000000
> (d3) [2016-05-07 14:40:40]  [03]: 00000000:fc000000 - 00000001:00000000: 
> RESERVED
> (d3) [2016-05-07 14:40:40] Invoking SeaBIOS ...
> (d3) [2016-05-07 14:40:40] SeaBIOS (version 1.7.5-20140531_083030-gandalf)
> (d3) [2016-05-07 14:40:40] 
> (d3) [2016-05-07 14:40:40] Found Xen hypervisor signature at 40000000
> (d3) [2016-05-07 14:40:40] Running on QEMU (i440fx)
> (d3) [2016-05-07 14:40:40] xen: copy e820...
> (d3) [2016-05-07 14:40:40] Relocating init from 0x000dfbd9 to 0x7dfaeaf0 
> (size 70732)
> (d3) [2016-05-07 14:40:40] CPU Mhz=3494
> (d3) [2016-05-07 14:40:40] Found 12 PCI devices (max PCI bus is 00)
> (d3) [2016-05-07 14:40:40] Allocated Xen hypercall page at 7dfff000
> (d3) [2016-05-07 14:40:40] Detected Xen v4.4.1
> (d3) [2016-05-07 14:40:40] xen: copy BIOS tables...
> (d3) [2016-05-07 14:40:40] Copying SMBIOS entry point from 0x00010010 to 
> 0x000f1010
> (d3) [2016-05-07 14:40:40] Copying MPTABLE from 0xfc001150/fc001160 to 
> 0x000f0f10
> (d3) [2016-05-07 14:40:40] Copying PIR from 0x00010030 to 0x000f0e90
> (d3) [2016-05-07 14:40:40] Copying ACPI RSDP from 0x000100b0 to 0x000f0e60
> (d3) [2016-05-07 14:40:40] Using pmtimer, ioport 0xb008
> (d3) [2016-05-07 14:40:40] Scan for VGA option rom
> (d3) [2016-05-07 14:40:40] Running option rom at c000:0003
> (XEN) [2016-05-07 14:40:40] stdvga.c:147:d3 entering stdvga and caching modes
> (d3) [2016-05-07 14:40:40] pmm call arg1=0
> (d3) [2016-05-07 14:40:40] Turning on vga text mode console
> (d3) [2016-05-07 14:40:40] SeaBIOS (version 1.7.5-20140531_083030-gandalf)
> (d3) [2016-05-07 14:40:40] Machine UUID 34b81000-3ba9-4231-9c72-b00d099755d4
> (d3) [2016-05-07 14:40:40] EHCI init on dev 00:1d.7 (regs=0xf2012020)
> (d3) [2016-05-07 14:40:40] Found 0 lpt ports
> (d3) [2016-05-07 14:40:40] Found 1 serial ports
> (d3) [2016-05-07 14:40:40] ATA controller 1 at 1f0/3f4/0 (irq 14 dev 9)
> (d3) [2016-05-07 14:40:40] ATA controller 2 at 170/374/0 (irq 15 dev 9)
> (d3) [2016-05-07 14:40:40] ata0-0: QEMU HARDDISK ATA-7 Hard-Disk (16384 
> MiBytes)
> (d3) [2016-05-07 14:40:40] Searching bootorder for: 
> /pci@i0cf8/*@1,1/drive@0/disk@0
> (d3) [2016-05-07 14:40:40] ata0-1: QEMU HARDDISK ATA-7 Hard-Disk (8192 
> MiBytes)
> (d3) [2016-05-07 14:40:40] Searching bootorder for: 
> /pci@i0cf8/*@1,1/drive@0/disk@1
> (d3) [2016-05-07 14:40:40] UHCI init on dev 00:1d.0 (io=c620)
> (d3) [2016-05-07 14:40:40] UHCI init on dev 00:1d.1 (io=c640)
> (d3) [2016-05-07 14:40:40] UHCI init on dev 00:1d.2 (io=c660)
> (d3) [2016-05-07 14:40:40] PS2 keyboard initialized
> (d3) [2016-05-07 14:40:40] All threads complete.
> (d3) [2016-05-07 14:40:40] Scan for option roms
> (d3) [2016-05-07 14:40:40] 
> (d3) [2016-05-07 14:40:40] Press F12 for boot menu.
> (d3) [2016-05-07 14:40:40] 
> (d3) [2016-05-07 14:40:43] Searching bootorder for: HALT
> (d3) [2016-05-07 14:40:43] drive 0x000f0e10: PCHS=16383/16/63 translation=lba 
> LCHS=1024/255/63 s=33554432
> (d3) [2016-05-07 14:40:43] drive 0x000f0de0: PCHS=16383/16/63 translation=lba 
> LCHS=1024/255/63 s=16777216
> (d3) [2016-05-07 14:40:43] Space available for UMB: c9800-ef000, f0000-f0de0
> (d3) [2016-05-07 14:40:43] Returned 258048 bytes of ZoneHigh
> (d3) [2016-05-07 14:40:43] e820 map has 6 items:
> (d3) [2016-05-07 14:40:43]   0: 0000000000000000 - 000000000009fc00 = 1 RAM
> (d3) [2016-05-07 14:40:43]   1: 000000000009fc00 - 00000000000a0000 = 2 
> RESERVED
> (d3) [2016-05-07 14:40:43]   2: 00000000000f0000 - 0000000000100000 = 2 
> RESERVED
> (d3) [2016-05-07 14:40:43]   3: 0000000000100000 - 000000007dfff000 = 1 RAM
> (d3) [2016-05-07 14:40:43]   4: 000000007dfff000 - 000000007e000000 = 2 
> RESERVED
> (d3) [2016-05-07 14:40:43]   5: 00000000fc000000 - 0000000100000000 = 2 
> RESERVED
> (d3) [2016-05-07 14:40:43] enter handle_19:
> (d3) [2016-05-07 14:40:43]   NULL
> (d3) [2016-05-07 14:40:43] Booting from Hard Disk...
> (d3) [2016-05-07 14:40:43] Booting from 0000:7c00
> (XEN) [2016-05-07 14:40:55] irq.c:373: Dom3 callback via changed to Direct 
> Vector 0xf3
> (XEN) [2016-05-07 14:40:55] irq.c:270: Dom3 PCI link 0 changed 5 -> 0
> (XEN) [2016-05-07 14:40:55] irq.c:270: Dom3 PCI link 1 changed 10 -> 0
> (XEN) [2016-05-07 14:40:55] irq.c:270: Dom3 PCI link 2 changed 11 -> 0
> (XEN) [2016-05-07 14:40:55] irq.c:270: Dom3 PCI link 3 changed 5 -> 0
> (XEN) [2016-05-07 14:42:49] grant_table.c:289:d0 Increased maptrack size to 3 
> frames
> (XEN) [2016-05-07 14:42:59] grant_table.c:289:d0 Increased maptrack size to 4 
> frames

> (XEN) [    0.000000] Xen version 4.6.0 (Debian 4.6.0-1+nmu2) (ijc@xxxxxxxxxx) 
> (gcc (Debian 5.3.1-8) 5.3.1 20160205) debug=n Tue Feb  9 17:46:27 UTC 2016
> (XEN) [    0.000000] Bootloader: GRUB 2.02~beta2-22+deb8u1
> (XEN) [    0.000000] Command line: placeholder reboot=no loglvl=all 
> guest_loglvl=all ivrs_ioapic[0]=00:14.0 irq_ratelimit dom0_mem=4194304 
> dom0_vcpus_pin=true dom0_max_vcpus=2 vcpu_migration_delay=1000 
> shed_smt_powersavings=false cpufreq=xen vpmu=off noserialnumber=true 
> console=vga console_timestamps=boot vga=text-80x30
> (XEN) [    0.000000] Video information:
> (XEN) [    0.000000]  VGA is text mode 80x30, font 8x16
> (XEN) [    0.000000]  VBE/DDC methods: V2; EDID transfer time: 1 seconds
> (XEN) [    0.000000] Disc information:
> (XEN) [    0.000000]  Found 2 MBR signatures
> (XEN) [    0.000000]  Found 2 EDD information structures
> (XEN) [    0.000000] Xen-e820 RAM map:
> (XEN) [    0.000000]  0000000000000000 - 000000000009e800 (usable)
> (XEN) [    0.000000]  000000000009e800 - 00000000000a0000 (reserved)
> (XEN) [    0.000000]  00000000000e0000 - 0000000000100000 (reserved)
> (XEN) [    0.000000]  0000000000100000 - 000000008cefa000 (usable)
> (XEN) [    0.000000]  000000008cefa000 - 000000008cf2a000 (reserved)
> (XEN) [    0.000000]  000000008cf2a000 - 000000008d1ed000 (usable)
> (XEN) [    0.000000]  000000008d1ed000 - 000000008d2b9000 (ACPI NVS)
> (XEN) [    0.000000]  000000008d2b9000 - 000000008e1c7000 (reserved)
> (XEN) [    0.000000]  000000008e1c7000 - 000000008e1c8000 (usable)
> (XEN) [    0.000000]  000000008e1c8000 - 000000008e3ce000 (ACPI NVS)
> (XEN) [    0.000000]  000000008e3ce000 - 000000008e850000 (usable)
> (XEN) [    0.000000]  000000008e850000 - 000000008efe1000 (reserved)
> (XEN) [    0.000000]  000000008efe1000 - 000000008f000000 (usable)
> (XEN) [    0.000000]  00000000fec00000 - 00000000fec01000 (reserved)
> (XEN) [    0.000000]  00000000fec10000 - 00000000fec11000 (reserved)
> (XEN) [    0.000000]  00000000fed00000 - 00000000fed01000 (reserved)
> (XEN) [    0.000000]  00000000fed80000 - 00000000fed90000 (reserved)
> (XEN) [    0.000000]  00000000ff000000 - 0000000100000000 (reserved)
> (XEN) [    0.000000]  0000000100000000 - 000000044f000000 (usable)
> (XEN) [    0.000000] ACPI: RSDP 000F0490, 0024 (r2 ALASKA)
> (XEN) [    0.000000] ACPI: XSDT 8D271080, 0084 (r1 ALASKA    A M I  1072009 
> AMI     10013)
> (XEN) [    0.000000] ACPI: FACP 8D277208, 010C (r5 ALASKA    A M I  1072009 
> AMI     10013)
> (XEN) [    0.000000] ACPI Warning (tbfadt-0464): Optional field 
> "Pm2ControlBlock" has zero address or length: 0000000000000000/1 [20070126]
> (XEN) [    0.000000] ACPI: DSDT 8D2711A0, 6067 (r2 ALASKA    A M I        0 
> INTL 20051117)
> (XEN) [    0.000000] ACPI: FACS 8D2AE080, 0040
> (XEN) [    0.000000] ACPI: APIC 8D277318, 0072 (r3 ALASKA    A M I  1072009 
> AMI     10013)
> (XEN) [    0.000000] ACPI: FPDT 8D277390, 0044 (r1 ALASKA    A M I  1072009 
> AMI     10013)
> (XEN) [    0.000000] ACPI: MCFG 8D2773D8, 003C (r1 ALASKA    A M I  1072009 
> MSFT    10013)
> (XEN) [    0.000000] ACPI: HPET 8D277418, 0038 (r1 ALASKA    A M I  1072009 
> AMI         5)
> (XEN) [    0.000000] ACPI: IVRS 8D277450, 0068 (r2    AMD BANTRY          1 
> AMD         0)
> (XEN) [    0.000000] ACPI: SSDT 8D2774B8, 0B9C (r1    AMD BANTRY          1 
> AMD         1)
> (XEN) [    0.000000] ACPI: SSDT 8D278058, 04B7 (r2    AMD BANTRY          1 
> MSFT  4000000)
> (XEN) [    0.000000] ACPI: CRAT 8D278510, 0578 (r1    AMD BANTRY          1 
> AMD         1)
> (XEN) [    0.000000] ACPI: SSDT 8D278A88, 1459 (r1    AMD CPMDFIGP        1 
> INTL 20051117)
> (XEN) [    0.000000] ACPI: SSDT 8D279EE8, 0852 (r1    AMD CPMDFDGP        1 
> INTL 20051117)
> (XEN) [    0.000000] ACPI: SSDT 8D27A740, 122C (r1    AMD   CPMCMN        1 
> INTL 20051117)
> (XEN) [    0.000000] System RAM: 15813MB (16193524kB)
> (XEN) [    0.000000] No NUMA configuration found
> (XEN) [    0.000000] Faking a node at 0000000000000000-000000044f000000
> (XEN) [    0.000000] Domain heap initialised
> (XEN) [    0.000000] found SMP MP-table at 000fd7e0
> (XEN) [    0.000000] DMI 2.7 present.
> (XEN) [    0.000000] Using APIC driver default
> (XEN) [    0.000000] ACPI: PM-Timer IO Port: 0x808
> (XEN) [    0.000000] ACPI: v5 SLEEP INFO: control[0:0], status[0:0]
> (XEN) [    0.000000] ACPI: SLEEP INFO: pm1x_cnt[1:804,1:0], 
> pm1x_evt[1:800,1:0]
> (XEN) [    0.000000] ACPI: 32/64X FACS address mismatch in FADT - 
> 8d2ae080/0000000000000000, using 32
> (XEN) [    0.000000] ACPI:             wakeup_vec[8d2ae08c], vec_size[20]
> (XEN) [    0.000000] ACPI: Local APIC address 0xfee00000
> (XEN) [    0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x10] enabled)
> (XEN) [    0.000000] Processor #16 5:3 APIC version 16
> (XEN) [    0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x11] enabled)
> (XEN) [    0.000000] Processor #17 5:3 APIC version 16
> (XEN) [    0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x12] enabled)
> (XEN) [    0.000000] Processor #18 5:3 APIC version 16
> (XEN) [    0.000000] ACPI: LAPIC (acpi_id[0x04] lapic_id[0x13] enabled)
> (XEN) [    0.000000] Processor #19 5:3 APIC version 16
> (XEN) [    0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] high edge lint[0x1])
> (XEN) [    0.000000] ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0])
> (XEN) [    0.000000] IOAPIC[0]: apic_id 0, version 33, address 0xfec00000, 
> GSI 0-23
> (XEN) [    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
> (XEN) [    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low 
> level)
> (XEN) [    0.000000] ACPI: IRQ0 used by override.
> (XEN) [    0.000000] ACPI: IRQ2 used by override.
> (XEN) [    0.000000] ACPI: IRQ9 used by override.
> (XEN) [    0.000000] Enabling APIC mode:  Flat.  Using 1 I/O APICs
> (XEN) [    0.000000] ACPI: HPET id: 0x10228210 base: 0xfed00000
> (XEN) [    0.000000] ERST table was not found
> (XEN) [    0.000000] Using ACPI (MADT) for SMP configuration information
> (XEN) [    0.000000] SMP: Allowing 4 CPUs (0 hotplug CPUs)
> (XEN) [    0.000000] IRQ limits: 24 GSI, 760 MSI/MSI-X
> (XEN) [    0.000000] xstate_init: using cntxt_size: 0x3c0 and states: 
> 0x4000000000000007
> (XEN) [    0.000000] AMD Fam15h machine check reporting enabled
> (XEN) [    0.000000] Using scheduler: SMP Credit Scheduler (credit)
> (XEN) [    0.477516] Detected 3493.700 MHz processor.
> (XEN) [    0.481176] Initing memory sharing.
> (XEN) [    0.482626] alt table ffff82d0802bd010 -> ffff82d0802be240
> (XEN) [    0.484140] PCI: MCFG configuration 0: base e0000000 segment 0000 
> buses 00 - ff
> (XEN) [    0.487043] PCI: Not using MCFG for segment 0000 bus 00-ff
> (XEN) [    0.607744] AMD-Vi: Disabled HAP memory map sharing with IOMMU
> (XEN) [    0.609447] AMD-Vi: IOMMU Extended Features:
> (XEN) [    0.610807]  - Prefetch Pages Command
> (XEN) [    0.612169]  - Peripheral Page Service Request
> (XEN) [    0.613530]  - Guest Translation
> (XEN) [    0.614892]  - Invalidate All Command
> (XEN) [    0.616320] AMD-Vi: IOMMU 0 Enabled.
> (XEN) [    0.624841] I/O virtualisation enabled
> (XEN) [    0.626224]  - Dom0 mode: Relaxed
> (XEN) [    0.627587] Interrupt remapping enabled
> (XEN) [    0.629149] ENABLING IO-APIC IRQs
> (XEN) [    0.630509]  -> Using new ACK method
> (XEN) [    0.632079] ..TIMER: vector=0xF0 apic1=0 pin1=2 apic2=-1 pin2=-1
> (XEN) [    1.712519] Platform timer is 14.318MHz HPET
> (XEN) [    1.714006] Allocated console ring of 32 KiB.
> (XEN) [    1.715458] mwait-idle: does not run on family 21 model 19
> (XEN) [    1.716913] HVM: ASIDs enabled.
> (XEN) [    1.718363] SVM: Supported advanced features:
> (XEN) [    1.719811]  - Nested Page Tables (NPT)
> (XEN) [    1.721260]  - Last Branch Record (LBR) Virtualisation
> (XEN) [    1.722710]  - Next-RIP Saved on #VMEXIT
> (XEN) [    1.724159]  - VMCB Clean Bits
> (XEN) [    1.725560]  - DecodeAssists
> (XEN) [    1.726921]  - Pause-Intercept Filter
> (XEN) [    1.728283]  - TSC Rate MSR
> (XEN) [    1.729643] HVM: SVM enabled
> (XEN) [    1.731004] HVM: Hardware Assisted Paging (HAP) detected
> (XEN) [    1.732400] HVM: HAP page sizes: 4kB, 2MB, 1GB
> (XEN) [    1.733849] HVM: PVH mode not supported on this platform
> (XEN) [    1.796326] Brought up 4 CPUs
> (XEN) [    1.818354] ACPI sleep modes: S3
> (XEN) [    1.819810] VPMU: disabled
> (XEN) [    1.821260] MCA: Use hw thresholding to adjust polling frequency
> (XEN) [    1.822710] mcheck_poll: Machine check polling timer started.
> (XEN) [    1.824175] Dom0 has maximum 408 PIRQs
> (XEN) [    1.825662] NX (Execute Disable) protection active
> (XEN) [    1.827026] *** LOADING DOMAIN 0 ***
> (XEN) [    1.912126]  Xen  kernel: 64-bit, lsb, compat32
> (XEN) [    1.913576]  Dom0 kernel: 64-bit, PAE, lsb, paddr 0x1000000 -> 
> 0x1922000
> (XEN) [    1.916573] PHYSICAL MEMORY ARRANGEMENT:
> (XEN) [    1.918023]  Dom0 alloc.:   000000041e000000->0000000420000000 
> (1038434 pages to be allocated)
> (XEN) [    1.920932]  Init. ramdisk: 000000044e862000->000000044efff5a7
> (XEN) [    1.922383] VIRTUAL MEMORY ARRANGEMENT:
> (XEN) [    1.923832]  Loaded kernel: ffffffff81000000->ffffffff81922000
> (XEN) [    1.925251]  Init. ramdisk: 0000000000000000->0000000000000000
> (XEN) [    1.926613]  Phys-Mach map: 0000008000000000->0000008000800000
> (XEN) [    1.927974]  Start info:    ffffffff81922000->ffffffff819224b4
> (XEN) [    1.929344]  Page tables:   ffffffff81923000->ffffffff81934000
> (XEN) [    1.930713]  Boot stack:    ffffffff81934000->ffffffff81935000
> (XEN) [    1.932093]  TOTAL:         ffffffff80000000->ffffffff81c00000
> (XEN) [    1.933544]  ENTRY ADDRESS: ffffffff817921f0
> (XEN) [    1.935350] Dom0 has maximum 2 VCPUs
> (XEN) [    2.393242] setup 0000:00:00.2 for d0 failed (-19)
> (XEN) [    2.397924] Scrubbing Free RAM on 1 nodes using 2 CPUs
> (XEN) [    2.441180] 
> .....................................................................done.
> (XEN) [    4.438766] Initial low memory virq threshold set at 0x4000 pages.
> (XEN) [    4.440218] Std. Loglevel: All
> (XEN) [    4.441601] Guest Loglevel: All
> (XEN) [    4.442960] Xen is relinquishing VGA console.
> (XEN) [    4.444393] *** Serial input -> DOM0 (type 'CTRL-a' three times to 
> switch input to Xen)
> (XEN) [    4.444445] Freed 288kB init memory.
> (XEN) [    5.324611] PCI add device 0000:00:00.0
> (XEN) [    5.324819] PCI add device 0000:00:00.2
> (XEN) [    5.325020] PCI add device 0000:00:01.0
> (XEN) [    5.325206] PCI add device 0000:00:01.1
> (XEN) [    5.325390] PCI add device 0000:00:02.0
> (XEN) [    5.325612] PCI add device 0000:00:04.0
> (XEN) [    5.326018] PCI add device 0000:00:10.0
> (XEN) [    5.326375] PCI add device 0000:00:10.1
> (XEN) [    5.326655] PCI add device 0000:00:11.0
> (XEN) [    5.326858] PCI add device 0000:00:12.0
> (XEN) [    5.327121] PCI add device 0000:00:12.2
> (XEN) [    5.327349] PCI add device 0000:00:13.0
> (XEN) [    5.327624] PCI add device 0000:00:13.2
> (XEN) [    5.327824] PCI add device 0000:00:14.0
> (XEN) [    5.328034] PCI add device 0000:00:14.1
> (XEN) [    5.328310] PCI add device 0000:00:14.2
> (XEN) [    5.328518] PCI add device 0000:00:14.3
> (XEN) [    5.328677] PCI add device 0000:00:14.4
> (XEN) [    5.328885] PCI add device 0000:00:14.5
> (XEN) [    5.329009] PCI add device 0000:00:18.0
> (XEN) [    5.329113] PCI add device 0000:00:18.1
> (XEN) [    5.329222] PCI add device 0000:00:18.2
> (XEN) [    5.329347] PCI add device 0000:00:18.3
> (XEN) [    5.329446] PCI add device 0000:00:18.4
> (XEN) [    5.329545] PCI add device 0000:00:18.5
> (XEN) [    5.329891] PCI add device 0000:01:00.0
> (XEN) [    5.330099] PCI add device 0000:01:00.1
> (XEN) [    5.331735] PCI add device 0000:02:00.0
> (XEN) [    5.497420] PCI: Using MCFG for segment 0000 bus 00-ff

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