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[Xen-devel] OOPS new Xen 4.9.0_08 / kernel 4.12.0 Dom0 crash @ domain_crash_sync called from entry.S: fault at ffff82d080342328 entry.o#create_bounce_frame+0x135/0x14d


  • To: xen-devel@xxxxxxxxxxxxx
  • From: PGNet Dev <pgnet.dev@xxxxxxxxx>
  • Date: Tue, 4 Jul 2017 12:48:43 -0700
  • Delivery-date: Tue, 04 Jul 2017 19:48:56 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xen.org>

> As a general remark, I think such issues should rather be brought up on 
> xen-devel.

upgrading a working Xen server to

        kernel 4.12.0-2.gb8e7496-default
        Xen 4.9.0_08-512

now, boot crashes @

        domain_crash_sync called from entry.S: fault at ffff82d080342328 
entry.o#create_bounce_frame+0x135/0x14d

serial output

        Loading Xen 4.9.0_08-512 with Linux 4.12.0-2.gb8e7496-default 
...Loading Xen 4.9.0_08-512 with Linux 4.12.0-2.gb8e7496-default ...

        /EndEntire
        /EndEntire
        file path: file path: 
/ACPI(a0341d0,0)/ACPI(a0341d0,0)/PCI(1,1c)/PCI(1,1c)/PCI(0,0)/PCI(0,0)/PCI(0,1)/PCI(0,1)/PCI(0,0)/PCI(0,0)/HardwareVendor
        (cf31fac5-c24e-11d2-85f3-00a0c93ec93b)[1: 
        /HardwareVendor(cf31fac5-c24e-11d2-85f3-00a0c93ec93b)[1: 88 88 
]]/HD(2,1000,96000,c5cc9661271ee648
        ,2,2)/HD(2,1000,96000,c5cc9661271ee648,2,2)/File(\EFI\OPENSUSE)
        
/File(\EFI\OPENSUSE)/File(xen-4.9.0_08-512.efi)/File(xen-4.9.0_08-512.efi)/EndEntire
        /EndEntire
        Xen 4.9.0_08-512 (c/s ) EFI loader
        Using configuration file 'xen-4.9.0_08-512.cfg'
        vmlinuz-4.12.0-2.gb8e7496-default: 0x000000008b925000-0x000000008c0a2f60
        initrd-4.12.0-2.gb8e7496-default: 0x0000000063395000-0x0000000065fafacc
        0x0000:0x00:0x19.0x0: ROM: 0x10000 bytes at 0x928b9018
        0x0000:0x04:0x00.0x0: ROM: 0x8000 bytes at 0x928b0018
        0x0000:0x10:0x00.0x0: ROM: 0x10800 bytes at 0x92894018
         __  __            _  _   ___   ___     ___   ___    ____  _ ____  
         \ \/ /___ _ __   | || | / _ \ / _ \   / _ \ ( _ )  | ___|/ |___ \ 
          \  // _ \ '_ \  | || || (_) | | | | | | | |/ _ \ _|___ \| | __) |
          /  \  __/ | | | |__   _\__, | |_| | | |_| | (_) |__|__) | |/ __/ 
         /_/\_\___|_| |_|    |_|(_)/_(_)___/___\___/ \___/  |____/|_|_____|
                                          |_____|                          
        (XEN) Xen version 4.9.0_08-512 (abuild@xxxxxxx) (gcc (SUSE Linux) 7.1.1 
20170629 [gcc-7-branch revision 249772]) debug=n  Wed Jun 28 07:40:43 UTC 2017
        (XEN) Latest ChangeSet: 
        (XEN) Console output is synchronous.
        (XEN) Bootloader: EFI
        (XEN) Command line: dom0_mem=4G,max:4G bootscrub=false dom0_max_vcpus=4 
vga=gfx-1920x1080x16 com1=115200,8n1,pci console=com1,vga console_timestamps 
console_to_ring conring_size=64 sched=cr
        edit2 reboot=acpi log_buf_len=16M loglvl=all guest_loglvl=all 
noreboot=false sync_console=true sched_debug iommu=verbose 
apic_verbosity=verbose
        (XEN) Xen image load base address: 0x8c200000
        (XEN) Video information:
        (XEN)  VGA is graphics mode 800x600, 32 bpp
        (XEN) Disc information:
        (XEN)  Found 0 MBR signatures
        (XEN)  Found 6 EDD information structures
        (XEN) EFI RAM map:
        (XEN)  0000000000000000 - 0000000000008000 (reserved)
        (XEN)  0000000000008000 - 0000000000048000 (usable)
        (XEN)  0000000000048000 - 0000000000059000 (reserved)
        (XEN)  0000000000059000 - 000000000005f000 (usable)
        (XEN)  000000000005f000 - 00000000000a0000 (reserved)
        (XEN)  0000000000100000 - 000000008d528000 (usable)
        (XEN)  000000008d528000 - 000000008d52f000 (ACPI NVS)
        (XEN)  000000008d52f000 - 000000008de44000 (reserved)
        (XEN)  000000008de44000 - 000000008de4a000 (usable)
        (XEN)  000000008de4a000 - 000000008e28b000 (reserved)
        (XEN)  000000008e28b000 - 00000000915dc000 (usable)
        (XEN)  00000000915dc000 - 0000000091842000 (reserved)
        (XEN)  0000000091842000 - 0000000091875000 (usable)
        (XEN)  0000000091875000 - 00000000918d4000 (reserved)
        (XEN)  00000000918d4000 - 000000009193b000 (usable)
        (XEN)  000000009193b000 - 00000000919df000 (reserved)
        (XEN)  00000000919df000 - 0000000091a13000 (usable)
        (XEN)  0000000091a13000 - 0000000091a14000 (reserved)
        (XEN)  0000000091a14000 - 0000000091a15000 (usable)
        (XEN)  0000000091a15000 - 0000000091a17000 (reserved)
        (XEN)  0000000091a17000 - 0000000091a18000 (usable)
        (XEN)  0000000091a18000 - 0000000091a19000 (reserved)
        (XEN)  0000000091a19000 - 0000000091a21000 (usable)
        (XEN)  0000000091a21000 - 0000000091a22000 (reserved)
        (XEN)  0000000091a22000 - 0000000091a2c000 (usable)
        (XEN)  0000000091a2c000 - 0000000091a2d000 (reserved)
        (XEN)  0000000091a2d000 - 0000000091a36000 (usable)
        (XEN)  0000000091a36000 - 0000000091a41000 (reserved)
        (XEN)  0000000091a41000 - 0000000091ac3000 (usable)
        (XEN)  0000000091ac3000 - 0000000091b3f000 (reserved)
        (XEN)  0000000091b3f000 - 0000000091b88000 (usable)
        (XEN)  0000000091b88000 - 0000000091ee6000 (reserved)
        (XEN)  0000000091ee6000 - 0000000091f2d000 (usable)
        (XEN)  0000000091f2d000 - 0000000091fa3000 (reserved)
        (XEN)  0000000091fa3000 - 0000000091fd6000 (usable)
        (XEN)  0000000091fd6000 - 00000000920d7000 (reserved)
        (XEN)  00000000920d7000 - 00000000920f6000 (usable)
        (XEN)  00000000920f6000 - 000000009219a000 (reserved)
        (XEN)  000000009219a000 - 00000000921a4000 (usable)
        (XEN)  00000000921a4000 - 00000000922a3000 (reserved)
        (XEN)  00000000922a3000 - 00000000922a8000 (usable)
        (XEN)  00000000922a8000 - 000000009240e000 (reserved)
        (XEN)  000000009240e000 - 0000000092410000 (usable)
        (XEN)  0000000092410000 - 0000000092419000 (reserved)
        (XEN)  0000000092419000 - 000000009241b000 (usable)
        (XEN)  000000009241b000 - 0000000092421000 (reserved)
        (XEN)  0000000092421000 - 0000000092423000 (usable)
        (XEN)  0000000092423000 - 000000009242a000 (reserved)
        (XEN)  000000009242a000 - 000000009242d000 (usable)
        (XEN)  000000009242d000 - 000000009243f000 (reserved)
        (XEN)  000000009243f000 - 0000000092442000 (usable)
        (XEN)  0000000092442000 - 0000000092447000 (reserved)
        (XEN)  0000000092447000 - 000000009244a000 (usable)
        (XEN)  000000009244a000 - 0000000092693000 (reserved)
        (XEN)  0000000092693000 - 00000000926a1000 (usable)
        (XEN)  00000000926a1000 - 00000000926ab000 (reserved)
        (XEN)  00000000926ab000 - 00000000926ad000 (usable)
        (XEN)  00000000926ad000 - 00000000926b8000 (reserved)
        (XEN)  00000000926b8000 - 00000000926bb000 (usable)
        (XEN)  00000000926bb000 - 00000000926f7000 (reserved)
        (XEN)  00000000926f7000 - 00000000926f9000 (usable)
        (XEN)  00000000926f9000 - 0000000092702000 (reserved)
        (XEN)  0000000092702000 - 0000000092703000 (usable)
        (XEN)  0000000092703000 - 000000009e024000 (reserved)
        (XEN)  000000009e024000 - 000000009e2ba000 (usable)
        (XEN)  000000009e2ba000 - 000000009e6c9000 (reserved)
        (XEN)  000000009e6c9000 - 000000009e715000 (usable)
        (XEN)  000000009e715000 - 000000009e849000 (ACPI NVS)
        (XEN)  000000009e849000 - 000000009f000000 (reserved)
        (XEN)  00000000f0000000 - 00000000f8000000 (reserved)
        (XEN)  00000000fec00000 - 00000000fec01000 (reserved)
        (XEN)  00000000fed00000 - 00000000fed04000 (reserved)
        (XEN)  00000000fed1c000 - 00000000fed20000 (reserved)
        (XEN)  00000000fee00000 - 00000000fee01000 (reserved)
        (XEN)  00000000ff000000 - 0000000100000000 (reserved)
        (XEN)  0000000100000000 - 000000085e000000 (usable)
        (XEN) ACPI: RSDP 9E819000, 0024 (r2 SUPERM)
        (XEN) ACPI: XSDT 9E819090, 009C (r1 SUPERM SMCI--MB  1072009 AMI     
10013)
        (XEN) ACPI: FACP 9E8272E8, 010C (r5 SUPERM SMCI--MB  1072009 AMI     
10013)
        (XEN) ACPI: DSDT 9E8191C0, E121 (r2 SUPERM SMCI--MB        0 INTL 
20120711)
        (XEN) ACPI: FACS 9E848F80, 0040
        (XEN) ACPI: APIC 9E8273F8, 0072 (r3 SUPERM SMCI--MB  1072009 AMI     
10013)
        (XEN) ACPI: FPDT 9E827470, 0044 (r1 SUPERM SMCI--MB  1072009 AMI     
10013)
        (XEN) ACPI: FIDT 9E8274B8, 009C (r1 SUPERM SMCI--MB  1072009 AMI     
10013)
        (XEN) ACPI: SSDT 9E827558, 0C7D (r2 Ther_R Ther_Rvp     1000 INTL 
20120711)
        (XEN) ACPI: SSDT 9E8281D8, 0539 (r2  PmRef  Cpu0Ist     3000 INTL 
20051117)
        (XEN) ACPI: SSDT 9E828718, 0B74 (r2 CpuRef  CpuSsdt     3000 INTL 
20051117)
        (XEN) ACPI: SSDT 9E829290, 02DE (r2  PmRef  Cpu0Tst     3000 INTL 
20051117)
        (XEN) ACPI: SSDT 9E829570, 0348 (r2  PmRef    ApTst     3000 INTL 
20051117)
        (XEN) ACPI: MCFG 9E8298B8, 003C (r1 SUPERM SMCI--MB  1072009 MSFT       
97)
        (XEN) ACPI: HPET 9E8298F8, 0038 (r1 SUPERM SMCI--MB  1072009 AMI.       
 5)
        (XEN) ACPI: SSDT 9E829930, 0397 (r1 SataRe SataTabl     1000 INTL 
20120711)
        (XEN) ACPI: SSDT 9E829CC8, 57F6 (r2 SaSsdt  SaSsdt      3000 INTL 
20120711)
        (XEN) ACPI: ASF! 9E82F4C0, 00A5 (r32 INTEL       HCG        1 TFSM    
F4240)
        (XEN) ACPI: DMAR 9E82F568, 0080 (r1 INTEL      BDW         1 INTL       
 1)
        (XEN) System RAM: 32493MB (33273000kB)
        (XEN) No NUMA configuration found
        (XEN) Faking a node at 0000000000000000-000000085e000000
        (XEN) Domain heap initialised
        (XEN) Allocated console ring of 64 KiB.
        (XEN) vesafb: framebuffer at 0xd1000000, mapped to 0xffff82c000201000, 
using 1920k, total 1920k
        (XEN) vesafb: mode is 800x600x32, linelength=3200, font 8x8
        (XEN) vesafb: Truecolor: size=8:8:8:8, shift=24:16:8:0
        (XEN) CPU Vendor: Intel, Family 6 (0x6), Model 60 (0x3c), Stepping 3 
(raw 000306c3)
        (XEN) SMBIOS 2.7 present.
        (XEN) DMI 2.7 present.
        (XEN) Using APIC driver default
        (XEN) ACPI: PM-Timer IO Port: 0x1808 (32 bits)
        (XEN) ACPI: v5 SLEEP INFO: control[0:0], status[0:0]
        (XEN) ACPI: SLEEP INFO: pm1x_cnt[1:1804,1:0], pm1x_evt[1:1800,1:0]
        (XEN) ACPI: 32/64X FACS address mismatch in FADT - 
9e848f80/0000000000000000, using 32
        (XEN) ACPI:             wakeup_vec[9e848f8c], vec_size[20]
        (XEN) ACPI: Local APIC address 0xfee00000
        (XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
        (XEN) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] enabled)
        (XEN) ACPI: LAPIC (acpi_id[0x03] lapic_id[0x04] enabled)
        (XEN) ACPI: LAPIC (acpi_id[0x04] lapic_id[0x06] enabled)
        (XEN) ACPI: LAPIC_NMI (acpi_id[0xff] high edge lint[0x1])
        (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 9 high 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: 0x8086a701 base: 0xfed00000
        (XEN) [VT-D]Host address width 39
        (XEN) [VT-D]found ACPI_DMAR_DRHD:
        (XEN) [VT-D]  dmaru->address = fed90000
        (XEN) [VT-D]drhd->address = fed90000 iommu->reg = ffff82c0003fc000
        (XEN) [VT-D]cap = d2008c20660462 ecap = f010da
        (XEN) [VT-D] IOAPIC: 0000:f0:1f.0
        (XEN) [VT-D] MSI HPET: 0000:f0:0f.0
        (XEN) [VT-D]  flags: INCLUDE_ALL
        (XEN) [VT-D]found ACPI_DMAR_RMRR:
        (XEN) [VT-D] endpoint: 0000:00:1d.0
        (XEN) [VT-D] endpoint: 0000:00:1a.0
        (XEN) [VT-D] endpoint: 0000:00:14.0
        (XEN) ERST table was not found
        (XEN) Using ACPI (MADT) for SMP configuration information
        (XEN) SMP: Allowing 4 CPUs (0 hotplug CPUs)
        (XEN) NR_CPUS:1024 nr_cpumask_bits:64
        (XEN) mapped APIC to ffff82cfffffb000 (fee00000)
        (XEN) mapped IOAPIC to ffff82cfffffa000 (fec00000)
        (XEN) IRQ limits: 24 GSI, 760 MSI/MSI-X
        (XEN) Not enabling x2APIC (upon firmware request)
        (XEN) xstate: size: 0x340 and states: 0x7
        (XEN) CPU0: Intel machine check reporting enabled
        (XEN) Using scheduler: SMP Credit Scheduler rev2 (credit2)
        (XEN) Initializing Credit2 scheduler
        (XEN)  load_precision_shift: 18
        (XEN)  load_window_shift: 30
        (XEN)  underload_balance_tolerance: 0
        (XEN)  overload_balance_tolerance: -3
        (XEN)  runqueues arrangement: socket
        (XEN) load tracking window length 1073741824 ns
        (XEN) Adding cpu 0 to runqueue 0
        (XEN)  First cpu on runqueue, activating
        (XEN) Platform timer is 14.318MHz HPET
        (XEN) Detected 3092.842 MHz processor.
        (XEN) EFI memory map: (mapping BootServices)
        (XEN)  0000000000000-0000000007fff type=3 attr=000000000000000f
        (XEN)  0000000008000-0000000047fff type=7 attr=000000000000000f
        (XEN)  0000000048000-0000000057fff type=4 attr=000000000000000f
        (XEN)  0000000058000-0000000058fff type=0 attr=000000000000000f
        (XEN)  0000000059000-000000005cfff type=7 attr=000000000000000f
        (XEN)  000000005d000-000000005efff type=2 attr=000000000000000f
        (XEN)  000000005f000-000000005ffff type=4 attr=000000000000000f
        (XEN)  0000000060000-000000009efff type=3 attr=000000000000000f
        (XEN)  000000009f000-000000009ffff type=0 attr=000000000000000f
        (XEN)  0000000100000-0000063394fff type=7 attr=000000000000000f
        (XEN)  0000063395000-000008a39afff type=2 attr=000000000000000f
        (XEN)  000008a39b000-000008b924fff type=7 attr=000000000000000f
        (XEN)  000008b925000-000008c0a2fff type=2 attr=000000000000000f
        (XEN)  000008c0a3000-000008d527fff type=1 attr=000000000000000f
        (XEN)  000008d528000-000008d52efff type=10 attr=000000000000000f
        (XEN)  000008d52f000-000008d682fff type=4 attr=000000000000000f
        (XEN)  000008d683000-000008de3ffff type=3 attr=000000000000000f
        (XEN)  000008de40000-000008de43fff type=4 attr=000000000000000f
        (XEN)  000008de44000-000008de49fff type=7 attr=000000000000000f
        (XEN)  000008de4a000-000008de4efff type=4 attr=000000000000000f
        (XEN)  000008de4f000-000008de58fff type=3 attr=000000000000000f
        (XEN)  000008de59000-000008de5ffff type=4 attr=000000000000000f
        (XEN)  000008de60000-000008de69fff type=3 attr=000000000000000f
        (XEN)  000008de6a000-000008de74fff type=4 attr=000000000000000f
        (XEN)  000008de75000-000008e27bfff type=6 attr=800000000000000f
        (XEN)  000008e27c000-000008e28afff type=4 attr=000000000000000f
        (XEN)  000008e28b000-000008e298fff type=7 attr=000000000000000f
        (XEN)  000008e299000-000008e299fff type=2 attr=000000000000000f
        (XEN)  000008e29a000-00000915dbfff type=7 attr=000000000000000f
        (XEN)  00000915dc000-0000091841fff type=4 attr=000000000000000f
        (XEN)  0000091842000-0000091874fff type=7 attr=000000000000000f
        (XEN)  0000091875000-00000918d3fff type=4 attr=000000000000000f
        (XEN)  00000918d4000-000009193afff type=7 attr=000000000000000f
        (XEN)  000009193b000-00000919defff type=4 attr=000000000000000f
        (XEN)  00000919df000-0000091a12fff type=7 attr=000000000000000f
        (XEN)  0000091a13000-0000091a13fff type=4 attr=000000000000000f
        (XEN)  0000091a14000-0000091a14fff type=7 attr=000000000000000f
        (XEN)  0000091a15000-0000091a16fff type=4 attr=000000000000000f
        (XEN)  0000091a17000-0000091a17fff type=7 attr=000000000000000f
        (XEN)  0000091a18000-0000091a18fff type=4 attr=000000000000000f
        (XEN)  0000091a19000-0000091a20fff type=7 attr=000000000000000f
        (XEN)  0000091a21000-0000091a21fff type=4 attr=000000000000000f
        (XEN)  0000091a22000-0000091a2bfff type=7 attr=000000000000000f
        (XEN)  0000091a2c000-0000091a2cfff type=4 attr=000000000000000f
        (XEN)  0000091a2d000-0000091a35fff type=7 attr=000000000000000f
        (XEN)  0000091a36000-0000091a40fff type=4 attr=000000000000000f
        (XEN)  0000091a41000-0000091ac2fff type=7 attr=000000000000000f
        (XEN)  0000091ac3000-0000091b3efff type=4 attr=000000000000000f
        (XEN)  0000091b3f000-0000091b87fff type=7 attr=000000000000000f
        (XEN)  0000091b88000-0000091ee5fff type=4 attr=000000000000000f
        (XEN)  0000091ee6000-0000091f2cfff type=7 attr=000000000000000f
        (XEN)  0000091f2d000-0000091fa2fff type=4 attr=000000000000000f
        (XEN)  0000091fa3000-0000091fd5fff type=7 attr=000000000000000f
        (XEN)  0000091fd6000-00000920d6fff type=4 attr=000000000000000f
        (XEN)  00000920d7000-00000920f5fff type=7 attr=000000000000000f
        (XEN)  00000920f6000-0000092199fff type=4 attr=000000000000000f
        (XEN)  000009219a000-00000921a3fff type=7 attr=000000000000000f
        (XEN)  00000921a4000-00000922a2fff type=4 attr=000000000000000f
        (XEN)  00000922a3000-00000922a7fff type=7 attr=000000000000000f
        (XEN)  00000922a8000-000009240dfff type=4 attr=000000000000000f
        (XEN)  000009240e000-000009240ffff type=7 attr=000000000000000f
        (XEN)  0000092410000-0000092418fff type=4 attr=000000000000000f
        (XEN)  0000092419000-000009241afff type=7 attr=000000000000000f
        (XEN)  000009241b000-0000092420fff type=4 attr=000000000000000f
        (XEN)  0000092421000-0000092422fff type=7 attr=000000000000000f
        (XEN)  0000092423000-0000092429fff type=4 attr=000000000000000f
        (XEN)  000009242a000-000009242cfff type=7 attr=000000000000000f
        (XEN)  000009242d000-000009243efff type=4 attr=000000000000000f
        (XEN)  000009243f000-0000092441fff type=7 attr=000000000000000f
        (XEN)  0000092442000-0000092446fff type=4 attr=000000000000000f
        (XEN)  0000092447000-0000092449fff type=7 attr=000000000000000f
        (XEN)  000009244a000-0000092692fff type=4 attr=000000000000000f
        (XEN)  0000092693000-00000926a0fff type=7 attr=000000000000000f
        (XEN)  00000926a1000-00000926aafff type=4 attr=000000000000000f
        (XEN)  00000926ab000-00000926acfff type=7 attr=000000000000000f
        (XEN)  00000926ad000-00000926b7fff type=4 attr=000000000000000f
        (XEN)  00000926b8000-00000926bafff type=7 attr=000000000000000f
        (XEN)  00000926bb000-00000926f6fff type=4 attr=000000000000000f
        (XEN)  00000926f7000-00000926f8fff type=7 attr=000000000000000f
        (XEN)  00000926f9000-0000092701fff type=4 attr=000000000000000f
        (XEN)  0000092702000-0000092702fff type=7 attr=000000000000000f
        (XEN)  0000092703000-000009e023fff type=4 attr=000000000000000f
        (XEN)  000009e024000-000009e2b9fff type=7 attr=000000000000000f
        (XEN)  000009e2ba000-000009e623fff type=3 attr=000000000000000f
        (XEN)  000009e624000-000009e66dfff type=0 attr=000000000000000f
        (XEN)  000009e66e000-000009e6c8fff type=0 attr=000000000000000f
        (XEN)  000009e6c9000-000009e714fff type=7 attr=000000000000000f
        (XEN)  000009e715000-000009e833fff type=10 attr=000000000000000f
        (XEN)  000009e834000-000009e844fff type=10 attr=000000000000000f
        (XEN)  000009e845000-000009e848fff type=10 attr=000000000000000f
        (XEN)  000009e849000-000009e9a7fff type=6 attr=800000000000000f
        (XEN)  000009e9a8000-000009eb23fff type=6 attr=800000000000000f
        (XEN)  000009eb24000-000009eb25fff type=6 attr=800000000000000f
        (XEN)  000009eb26000-000009eeeefff type=6 attr=800000000000000f
        (XEN)  000009eeef000-000009eef0fff type=6 attr=800000000000000f
        (XEN)  000009eef1000-000009ef8efff type=6 attr=800000000000000f
        (XEN)  000009ef8f000-000009efaafff type=5 attr=800000000000000f
        (XEN)  000009efab000-000009effefff type=5 attr=800000000000000f
        (XEN)  000009efff000-000009effffff type=4 attr=000000000000000f
        (XEN)  0000100000000-000085dffffff type=7 attr=000000000000000f
        (XEN)  00000f0000000-00000f7ffffff type=11 attr=8000000000000001
        (XEN)  00000fec00000-00000fec00fff type=11 attr=8000000000000001
        (XEN)  00000fed00000-00000fed03fff type=11 attr=8000000000000001
        (XEN)  00000fed1c000-00000fed1ffff type=11 attr=8000000000000001
        (XEN)  00000fee00000-00000fee00fff type=11 attr=8000000000000001
        (XEN)  00000ff000000-00000ffffffff type=11 attr=8000000000000001
        (XEN) Initing memory sharing.
        (XEN) alt table ffff82d080673df0 -> ffff82d0806754b8
        (XEN) spurious 8259A interrupt: IRQ7.
        (XEN) PCI: MCFG configuration 0: base f0000000 segment 0000 buses 00 - 
7f
        (XEN) PCI: MCFG area at f0000000 reserved in E820
        (XEN) PCI: Using MCFG for segment 0000 bus 00-7f
        (XEN) Intel VT-d iommu 0 supported page sizes: 4kB, 2MB, 1GB.
        (XEN) Intel VT-d Snoop Control enabled.
        (XEN) Intel VT-d Dom0 DMA Passthrough not enabled.
        (XEN) Intel VT-d Queued Invalidation enabled.
        (XEN) Intel VT-d Interrupt Remapping enabled.
        (XEN) Intel VT-d Posted Interrupt not enabled.
        (XEN) Intel VT-d Shared EPT tables enabled.
        (XEN) I/O virtualisation enabled
        (XEN)  - Dom0 mode: Relaxed
        (XEN) Interrupt remapping enabled
        (XEN) nr_sockets: 2
        (XEN) Enabled directed EOI with ioapic_ack_old on!
        (XEN) Suppress EOI broadcast on CPU#0
        (XEN) enabled ExtINT on CPU#0
        (XEN) ENABLING IO-APIC IRQs
        (XEN) init IO_APIC IRQs
        (XEN)  IO-APIC (apicid-pin) 8-0, 8-16, 8-17, 8-18, 8-19, 8-20, 8-21, 
8-22, 8-23 not connected.
        (XEN) ..TIMER: vector=0xF0 apic1=0 pin1=2 apic2=0 pin2=0
        (XEN) number of MP IRQ sources: 15.
        (XEN) number of IO-APIC #8 registers: 24.
        (XEN) testing the IO APIC.......................
        (XEN) IO APIC #8......
        (XEN) .... register #00: 08000000
        (XEN) .......    : physical APIC id: 08
        (XEN) .......    : Delivery Type: 0
        (XEN) .......    : LTS          : 0
        (XEN) .... register #01: 00170020
        (XEN) .......     : max redirection entries: 0017
        (XEN) .......     : PRQ implemented: 0
        (XEN) .......     : IO APIC version: 0020
        (XEN) .... IRQ redirection table:
        (XEN)  NR Log Phy Mask Trig IRR Pol Stat Dest Deli Vect:   
        (XEN)  00 000 00  1    0    0   0   0    0    7    00
        (XEN)  01 001 01  0    0    0   0   0    1    1    30
        (XEN)  02 001 01  0    0    0   0   0    1    1    F0
        (XEN)  03 001 01  0    0    0   0   0    1    1    38
        (XEN)  04 001 01  0    0    0   0   0    1    1    F1
        (XEN)  05 001 01  0    0    0   0   0    1    1    40
        (XEN)  06 001 01  0    0    0   0   0    1    1    48
        (XEN)  07 001 01  0    0    0   0   0    1    1    50
        (XEN)  08 001 01  0    0    0   0   0    1    1    58
        (XEN)  09 001 01  1    1    0   0   0    1    1    60
        (XEN)  0a 001 01  0    0    0   0   0    1    1    68
        (XEN)  0b 001 01  0    0    0   0   0    1    1    70
        (XEN)  0c 001 01  0    0    0   0   0    1    1    78
        (XEN)  0d 001 01  0    0    0   0   0    1    1    88
        (XEN)  0e 001 01  0    0    0   0   0    1    1    90
        (XEN)  0f 001 01  0    0    0   0   0    1    1    98
        (XEN)  10 000 00  1    0    0   0   0    0    0    00
        (XEN)  11 000 00  1    0    0   0   0    0    0    00
        (XEN)  12 000 00  1    0    0   0   0    0    0    00
        (XEN)  13 017 07  1    0    0   0   0    1    2    80
        (XEN)  14 000 00  1    0    0   0   0    0    0    00
        (XEN)  15 000 00  1    0    0   0   0    0    0    00
        (XEN)  16 000 00  1    0    0   0   0    0    0    00
        (XEN)  17 000 00  1    0    0   0   0    0    0    00
        (XEN) Using vector-based indexing
        (XEN) IRQ to pin mappings:
        (XEN) IRQ240 -> 0:2
        (XEN) IRQ48 -> 0:1
        (XEN) IRQ56 -> 0:3
        (XEN) IRQ241 -> 0:4
        (XEN) IRQ64 -> 0:5
        (XEN) IRQ72 -> 0:6
        (XEN) IRQ80 -> 0:7
        (XEN) IRQ88 -> 0:8
        (XEN) IRQ96 -> 0:9
        (XEN) IRQ104 -> 0:10
        (XEN) IRQ112 -> 0:11
        (XEN) IRQ120 -> 0:12
        (XEN) IRQ136 -> 0:13
        (XEN) IRQ144 -> 0:14
        (XEN) IRQ152 -> 0:15
        (XEN) .................................... done.
        (XEN) Using local APIC timer interrupts.
        (XEN) calibrating APIC timer ...
        (XEN) ..... CPU clock speed is 3092.9183 MHz.
        (XEN) ..... host bus clock speed is 99.7715 MHz.
        (XEN) ..... bus_scale = 0x662c
        (XEN) TSC deadline timer enabled
        (XEN) [2017-07-04 19:08:32] mwait-idle: MWAIT substates: 0x42120
        (XEN) [2017-07-04 19:08:32] mwait-idle: v0.4.1 model 0x3c
        (XEN) [2017-07-04 19:08:32] mwait-idle: lapic_timer_reliable_states 
0xffffffff
        (XEN) [2017-07-04 19:08:32] VMX: Supported advanced features:
        (XEN) [2017-07-04 19:08:32]  - APIC MMIO access virtualisation
        (XEN) [2017-07-04 19:08:32]  - APIC TPR shadow
        (XEN) [2017-07-04 19:08:32]  - Extended Page Tables (EPT)
        (XEN) [2017-07-04 19:08:32]  - Virtual-Processor Identifiers (VPID)
        (XEN) [2017-07-04 19:08:32]  - Virtual NMI
        (XEN) [2017-07-04 19:08:32]  - MSR direct-access bitmap
        (XEN) [2017-07-04 19:08:32]  - Unrestricted Guest
        (XEN) [2017-07-04 19:08:32]  - VMCS shadowing
        (XEN) [2017-07-04 19:08:32]  - VM Functions
        (XEN) [2017-07-04 19:08:32] HVM: ASIDs enabled.
        (XEN) [2017-07-04 19:08:32] HVM: VMX enabled
        (XEN) [2017-07-04 19:08:32] HVM: Hardware Assisted Paging (HAP) detected
        (XEN) [2017-07-04 19:08:32] HVM: HAP page sizes: 4kB, 2MB, 1GB
        (XEN) [2017-07-04 19:07:28] Suppress EOI broadcast on CPU#1
        (XEN) [2017-07-04 19:07:28] masked ExtINT on CPU#1
        (XEN) [2017-07-04 19:08:32] Adding cpu 1 to runqueue 0
        (XEN) [2017-07-04 19:08:32] [VT-D]INTR-REMAP: Request device 
[0000:f0:1f.0] fault index 0, iommu reg = ffff82c0003fc000
        (XEN) [2017-07-04 19:08:32] [VT-D]INTR-REMAP: reason 25 - Blocked a 
compatibility format interrupt request
        (XEN) [2017-07-04 19:07:28] Suppress EOI broadcast on CPU#2
        (XEN) [2017-07-04 19:07:28] masked ExtINT on CPU#2
        (XEN) [2017-07-04 19:08:32] Adding cpu 2 to runqueue 0
        (XEN) [2017-07-04 19:07:28] Suppress EOI broadcast on CPU#3
        (XEN) [2017-07-04 19:07:28] masked ExtINT on CPU#3
        (XEN) [2017-07-04 19:08:32] Adding cpu 3 to runqueue 0
        (XEN) [2017-07-04 19:08:32] Brought up 4 CPUs
        (XEN) [2017-07-04 19:08:32] build-id: 27ef9944c0d27f0cc16fd59c699cda7e
        (XEN) [2017-07-04 19:08:32] ACPI sleep modes: S3
        (XEN) [2017-07-04 19:08:32] VPMU: disabled
        (XEN) [2017-07-04 19:08:32] mcheck_poll: Machine check polling timer 
started.
        (XEN) [2017-07-04 19:08:32] Dom0 has maximum 600 PIRQs
        (XEN) [2017-07-04 19:08:32] NX (Execute Disable) protection active
        (XEN) [2017-07-04 19:08:32] *** LOADING DOMAIN 0 ***
        (XEN) [2017-07-04 19:08:32]  Xen  kernel: 64-bit, lsb, compat32
        (XEN) [2017-07-04 19:08:32]  Dom0 kernel: 64-bit, PAE, lsb, paddr 
0x1000000 -> 0x25bd000
        (XEN) [2017-07-04 19:08:32] PHYSICAL MEMORY ARRANGEMENT:
        (XEN) [2017-07-04 19:08:32]  Dom0 alloc.:   
000000083c000000->0000000840000000 (1020901 pages to be allocated)
        (XEN) [2017-07-04 19:08:32]  Init. ramdisk: 
000000085b3e5000->000000085dfffacc
        (XEN) [2017-07-04 19:08:32] VIRTUAL MEMORY ARRANGEMENT:
        (XEN) [2017-07-04 19:08:32]  Loaded kernel: 
ffffffff81000000->ffffffff825bd000
        (XEN) [2017-07-04 19:08:32]  Init. ramdisk: 
0000000000000000->0000000000000000
        (XEN) [2017-07-04 19:08:32]  Phys-Mach map: 
0000008000000000->0000008000800000
        (XEN) [2017-07-04 19:08:32]  Start info:    
ffffffff825bd000->ffffffff825bd4b4
        (XEN) [2017-07-04 19:08:32]  Page tables:   
ffffffff825be000->ffffffff825d5000
        (XEN) [2017-07-04 19:08:32]  Boot stack:    
ffffffff825d5000->ffffffff825d6000
        (XEN) [2017-07-04 19:08:32]  TOTAL:         
ffffffff80000000->ffffffff82800000
        (XEN) [2017-07-04 19:08:32]  ENTRY ADDRESS: ffffffff8227e180
        (XEN) [2017-07-04 19:08:32] Dom0 has maximum 4 VCPUs
        (XEN) [2017-07-04 19:08:35] Bogus DMIBAR 0xfed18001 on 0000:00:00.0
        (XEN) [2017-07-04 19:08:35] [VT-D]iommu_enable_translation: iommu->reg 
= ffff82c0003fc000
        (XEN) [2017-07-04 19:08:35] Std. Loglevel: All
        (XEN) [2017-07-04 19:08:35] Guest Loglevel: All
        (XEN) [2017-07-04 19:08:35] 
***************************************************
        (XEN) [2017-07-04 19:08:35] WARNING: CONSOLE OUTPUT IS SYNCHRONOUS
        (XEN) [2017-07-04 19:08:35] This option is intended to aid debugging of 
Xen by ensuring
        (XEN) [2017-07-04 19:08:35] that all output is synchronously delivered 
on the serial line.
        (XEN) [2017-07-04 19:08:35] However it can introduce SIGNIFICANT 
latencies and affect
        (XEN) [2017-07-04 19:08:35] timekeeping. It is NOT recommended for 
production use!
        (XEN) [2017-07-04 19:08:35] 
***************************************************
        (XEN) [2017-07-04 19:08:35] 3... 2... 1... 
        (XEN) [2017-07-04 19:08:38] Xen is relinquishing VGA console.
        (XEN) [2017-07-04 19:08:38] *** Serial input -> DOM0 (type 'CTRL-a' 
three times to switch input to Xen)
        (XEN) [2017-07-04 19:08:38] Freed 2048kB init memory
        mapping kernel into physical memory
        about to get started...
        [    0.000000] Linux version 4.12.0-2.gb8e7496-default 
(geeko@buildhost) (gcc version 7.1.1 20170629 [gcc-7-branch revision 249772] 
(SUSE Linux) ) #1 SMP PREEMPT Tue Jul 4 06:03:56 UTC 2017
         (b8e7496)
        [    0.000000] Command line: root=/dev/mapper/VG0-ROOT softlevel=xen 
rd.shell rd.debug=0 rd.udev.log_priority=info rd.auto=1 dolvm 
lvmwait=/dev/mapper/VG0-ROOT root=/dev/mappe
        r/VG0-ROOT rootfstype=ext4 rootflags=journal_checksum noresume 
video=vesa:off video=efifb:1024x768 video=HDMI-A-1:1920x1080@60 xencons=xvc 
console=tty0 console=hvc0 elevator=deadline
         cpuidle cpufreq=xen:ondemand clocksource=xen net.ifnames=1 
biosdevname=0 plymouth.enable=0 apparmor=0 pcie_aspm=off mce=off fsck.mode=skip 
fsck.repair=preen nomodeset nouveau.modeset=1 sho
        wopts noquiet log_buf_len=10M print_fatal_signals=1 
systemd.log_level=debug systemd.log_target=kmsg earlyprintk=xen,keep debug 
loglevel=8
        [    0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating 
point registers'
        [    0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
        [    0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
        [    0.000000] x86/fpu: xstate_offset[2]:  576, xstate_sizes[2]:  256
        [    0.000000] x86/fpu: Enabled xstate features 0x7, context size is 
832 bytes, using 'standard' format.
        [    0.000000] Released 0 page(s)
        [    0.000000] e820: BIOS-provided physical RAM map:
        [    0.000000] Xen: [mem 0x0000000000000000-0x0000000000007fff] reserved
        [    0.000000] Xen: [mem 0x0000000000008000-0x0000000000047fff] usable
        [    0.000000] Xen: [mem 0x0000000000048000-0x0000000000058fff] reserved
        [    0.000000] Xen: [mem 0x0000000000059000-0x000000000005efff] usable
        [    0.000000] Xen: [mem 0x000000000005f000-0x00000000000fffff] reserved
        [    0.000000] Xen: [mem 0x0000000000100000-0x000000008d527fff] usable
        [    0.000000] Xen: [mem 0x000000008d528000-0x000000008d52efff] ACPI NVS
        [    0.000000] Xen: [mem 0x000000008d52f000-0x000000008de43fff] reserved
        [    0.000000] Xen: [mem 0x000000008de44000-0x000000008de49fff] usable
        [    0.000000] Xen: [mem 0x000000008de4a000-0x000000008e28afff] reserved
        [    0.000000] Xen: [mem 0x000000008e28b000-0x00000000915dbfff] usable
        [    0.000000] Xen: [mem 0x00000000915dc000-0x0000000091841fff] reserved
        [    0.000000] Xen: [mem 0x0000000091842000-0x0000000091874fff] usable
        [    0.000000] Xen: [mem 0x0000000091875000-0x00000000918d3fff] reserved
        [    0.000000] Xen: [mem 0x00000000918d4000-0x000000009193afff] usable
        [    0.000000] Xen: [mem 0x000000009193b000-0x00000000919defff] reserved
        [    0.000000] Xen: [mem 0x00000000919df000-0x0000000091a12fff] usable
        [    0.000000] Xen: [mem 0x0000000091a13000-0x0000000091a13fff] reserved
        [    0.000000] Xen: [mem 0x0000000091a14000-0x0000000091a14fff] usable
        [    0.000000] Xen: [mem 0x0000000091a15000-0x0000000091a16fff] reserved
        [    0.000000] Xen: [mem 0x0000000091a17000-0x0000000091a17fff] usable
        [    0.000000] Xen: [mem 0x0000000091a18000-0x0000000091a18fff] reserved
        [    0.000000] Xen: [mem 0x0000000091a19000-0x0000000091a20fff] usable
        [    0.000000] Xen: [mem 0x0000000091a21000-0x0000000091a21fff] reserved
        [    0.000000] Xen: [mem 0x0000000091a22000-0x0000000091a2bfff] usable
        [    0.000000] Xen: [mem 0x0000000091a2c000-0x0000000091a2cfff] reserved
        [    0.000000] Xen: [mem 0x0000000091a2d000-0x0000000091a35fff] usable
        [    0.000000] Xen: [mem 0x0000000091a36000-0x0000000091a40fff] reserved
        [    0.000000] Xen: [mem 0x0000000091a41000-0x0000000091ac2fff] usable
        [    0.000000] Xen: [mem 0x0000000091ac3000-0x0000000091b3efff] reserved
        [    0.000000] Xen: [mem 0x0000000091b3f000-0x0000000091b87fff] usable
        [    0.000000] Xen: [mem 0x0000000091b88000-0x0000000091ee5fff] reserved
        [    0.000000] Xen: [mem 0x0000000091ee6000-0x0000000091f2cfff] usable
        [    0.000000] Xen: [mem 0x0000000091f2d000-0x0000000091fa2fff] reserved
        [    0.000000] Xen: [mem 0x0000000091fa3000-0x0000000091fd5fff] usable
        [    0.000000] Xen: [mem 0x0000000091fd6000-0x00000000920d6fff] reserved
        [    0.000000] Xen: [mem 0x00000000920d7000-0x00000000920f5fff] usable
        [    0.000000] Xen: [mem 0x00000000920f6000-0x0000000092199fff] reserved
        [    0.000000] Xen: [mem 0x000000009219a000-0x00000000921a3fff] usable
        [    0.000000] Xen: [mem 0x00000000921a4000-0x00000000922a2fff] reserved
        [    0.000000] Xen: [mem 0x00000000922a3000-0x00000000922a7fff] usable
        [    0.000000] Xen: [mem 0x00000000922a8000-0x000000009240dfff] reserved
        [    0.000000] Xen: [mem 0x000000009240e000-0x000000009240ffff] usable
        [    0.000000] Xen: [mem 0x0000000092410000-0x0000000092418fff] reserved
        [    0.000000] Xen: [mem 0x0000000092419000-0x000000009241afff] usable
        [    0.000000] Xen: [mem 0x000000009241b000-0x0000000092420fff] reserved
        [    0.000000] Xen: [mem 0x0000000092421000-0x0000000092422fff] usable
        [    0.000000] Xen: [mem 0x0000000092423000-0x0000000092429fff] reserved
        [    0.000000] Xen: [mem 0x000000009242a000-0x000000009242cfff] usable
        [    0.000000] Xen: [mem 0x000000009242d000-0x000000009243efff] reserved
        [    0.000000] Xen: [mem 0x000000009243f000-0x0000000092441fff] usable
        [    0.000000] Xen: [mem 0x0000000092442000-0x0000000092446fff] reserved
        [    0.000000] Xen: [mem 0x0000000092447000-0x0000000092449fff] usable
        [    0.000000] Xen: [mem 0x000000009244a000-0x0000000092692fff] reserved
        [    0.000000] Xen: [mem 0x0000000092693000-0x00000000926a0fff] usable
        [    0.000000] Xen: [mem 0x00000000926a1000-0x00000000926aafff] reserved
        [    0.000000] Xen: [mem 0x00000000926ab000-0x00000000926acfff] usable
        [    0.000000] Xen: [mem 0x00000000926ad000-0x00000000926b7fff] reserved
        [    0.000000] Xen: [mem 0x00000000926b8000-0x00000000926bafff] usable
        [    0.000000] Xen: [mem 0x00000000926bb000-0x00000000926f6fff] reserved
        [    0.000000] Xen: [mem 0x00000000926f7000-0x00000000926f8fff] usable
        [    0.000000] Xen: [mem 0x00000000926f9000-0x0000000092701fff] reserved
        [    0.000000] Xen: [mem 0x0000000092702000-0x0000000092702fff] usable
        [    0.000000] Xen: [mem 0x0000000092703000-0x000000009e023fff] reserved
        [    0.000000] Xen: [mem 0x000000009e024000-0x000000009e2b9fff] usable
        [    0.000000] Xen: [mem 0x000000009e2ba000-0x000000009e6c8fff] reserved
        [    0.000000] Xen: [mem 0x000000009e6c9000-0x000000009e714fff] usable
        [    0.000000] Xen: [mem 0x000000009e715000-0x000000009e848fff] ACPI NVS
        [    0.000000] Xen: [mem 0x000000009e849000-0x000000009effffff] reserved
        [    0.000000] Xen: [mem 0x00000000f0000000-0x00000000f7ffffff] reserved
        [    0.000000] Xen: [mem 0x00000000fec00000-0x00000000fec00fff] reserved
        [    0.000000] Xen: [mem 0x00000000fed00000-0x00000000fed03fff] reserved
        [    0.000000] Xen: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved
        [    0.000000] Xen: [mem 0x00000000fed90000-0x00000000fed90fff] reserved
        [    0.000000] Xen: [mem 0x00000000fee00000-0x00000000feefffff] reserved
        [    0.000000] Xen: [mem 0x00000000ff000000-0x00000000ffffffff] reserved
        [    0.000000] Xen: [mem 0x0000000100000000-0x000000016f2d5fff] usable
        [    0.000000] console [xenboot0] enabled
        [    0.000000] NX (Execute Disable) protection: active
        [    0.000000] efi: EFI v2.31 by American Megatrends
        [    0.000000] efi:  ESRT=0x9ef8d998  ACPI 2.0=0x9e819000  
ACPI=0x9e819000  SMBIOS=0xf04c0  MPS=0xfd490
        (XEN) [2017-07-04 19:08:39] d0v0 Unhandled invalid opcode fault/trap 
[#6, ec=ffffffff]
        (XEN) [2017-07-04 19:08:39] domain_crash_sync called from entry.S: 
fault at ffff82d080342328 entry.o#create_bounce_frame+0x135/0x14d
        (XEN) [2017-07-04 19:08:39] Domain 0 (vcpu#0) crashed on cpu#0:
        (XEN) [2017-07-04 19:08:39] ----[ Xen-4.9.0_08-512  x86_64  debug=n   
Tainted:  C   ]----
        (XEN) [2017-07-04 19:08:39] CPU:    0
        (XEN) [2017-07-04 19:08:39] RIP:    e033:[<ffffffff822b8e5b>]
        (XEN) [2017-07-04 19:08:39] RFLAGS: 0000000000000206   EM: 1   CONTEXT: 
pv guest (d0v0)
        (XEN) [2017-07-04 19:08:39] rax: 0000000000000000   rbx: 
0000000000000000   rcx: 00000000f0008004
        (XEN) [2017-07-04 19:08:39] rdx: 00000000f0008003   rsi: 
00000000f0008004   rdi: 0000000000000000
        (XEN) [2017-07-04 19:08:39] rbp: 00000000000f0009   rsp: 
ffffffff81e03d08   r8:  0000000000000000
        (XEN) [2017-07-04 19:08:39] r9:  000000000000005a   r10: 
0000000000007ff0   r11: 2030393464667830
        (XEN) [2017-07-04 19:08:39] r12: 00000000f0009000   r13: 
0000000000000001   r14: 0000000000000001
        (XEN) [2017-07-04 19:08:39] r15: 00000000000fd490   cr0: 
0000000080050033   cr4: 00000000001526e0
        (XEN) [2017-07-04 19:08:39] cr3: 000000083de09000   cr2: 
0000000000000000
        (XEN) [2017-07-04 19:08:39] ds: 0000   es: 0000   fs: 0000   gs: 0000   
ss: e02b   cs: e033
        (XEN) [2017-07-04 19:08:39] Guest stack trace from rsp=ffffffff81e03d08:
        (XEN) [2017-07-04 19:08:39]    00000000f0008004 2030393464667830 
ffffffff822b8e5b 000000010000e030
        (XEN) [2017-07-04 19:08:39]    0000000000010006 ffffffff81e03d48 
000000000000e02b 0000000000000040
        (XEN) [2017-07-04 19:08:39]    0000000000000000 00000000f0009000 
8000000000000163 0000000000000001
        (XEN) [2017-07-04 19:08:39]    00000000f0008004 ffffffff81e03e00 
0000000000000018 0000000000000009
        (XEN) [2017-07-04 19:08:39]    ffffffff8238d180 00000000000fd490 
ffffffff822e05dc ffffffff8229e186
        (XEN) [2017-07-04 19:08:39]    000000099ef8c000 11d32d88eb9d2d2f 
4dc13f279000169a 0000000000000e18
        (XEN) [2017-07-04 19:08:39]    08ae1c0f08ae1bdd 0000000000000018 
ffffffff81e03e18 ffffffffff000e18
        (XEN) [2017-07-04 19:08:39]    ffffffff8238d180 0000000000000000 
0000000000000000 0000000000000018
        (XEN) [2017-07-04 19:08:39]    ffffffff822e06ec ffffffff822e06ec 
ffffffffff000ac0 000000000233ba40
        (XEN) [2017-07-04 19:08:39]    0000000000000000 ffffffff81e03f30 
ffffffff822a1013 72656d4182590000
        (XEN) [2017-07-04 19:08:39]    67654d206e616369 0073646e65727461 
0000000000000000 0000000000000000
        (XEN) [2017-07-04 19:08:39]    0000000000000000 0000000000000000 
0000000000000000 0000000000000000
        (XEN) [2017-07-04 19:08:39]    0000000000000000 0000000000000000 
0000000000000000 0000000000000000
        (XEN) [2017-07-04 19:08:39]    08ae1c0f08ae1bdd 0000000001000000 
ffffffff81000000 ffffffff82289ed4
        (XEN) [2017-07-04 19:08:39]    ffffffff8119b9a4 ffffffff00000010 
ffffffff81e03f30 ffffffff81e03ee8
        (XEN) [2017-07-04 19:08:39]    0000000000000000 ffffffff81800120 
ffffffffffffffff 0000000000000000
        (XEN) [2017-07-04 19:08:39]    ffffffff8232e920 0000000000000000 
0000000000000000 0000000000000000
        (XEN) [2017-07-04 19:08:39]    ffffffff8227ec0d ffffffff823412e0 
ffffffff81e03f6c 0000000000000000
        (XEN) [2017-07-04 19:08:39]    0000000000000000 0000000000000000 
ffffffff822867cf 000306c300000000
        (XEN) [2017-07-04 19:08:39]    0000000100100800 0300000100000032 
0000000000000005 0000000000000000
        (XEN) [2017-07-04 19:08:39] Hardware Dom0 crashed: rebooting machine in 
5 seconds.
        (XEN) [2017-07-04 19:08:39] APIC error on CPU0: 40(00)
        (XEN) [2017-07-04 19:08:44] Resetting with ACPI MEMORY or I/O RESET_REG.

per similar error

        (XEN) domain_crash_sync called from entry.S: fault at ffff82d08022a583 
create_bounce_frame+0x12b/0x13a

found at

        https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1577018

removing

        dom0_mem=4G,max:4G ...

from Xen cmd line, & rebooting with *no* dom0_mem restriction, does NOT have 
any effect - same crash.


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