El 18/05/15 a les 15.04, Eggert, Lars ha escrit:
> Hi,
> 
> I'm trying to boot a Xen dom0 on another machine (Fujitsu RX308) and Xen 
> crashes when starting the kernel. Log below; any ideas?
> 
> Thanks,
> Lars
> 
> 
>                                                                             B2
>   ______               ____   _____ _____
>  |  ____|             |  _ \ / ____|  __ \
>  | |___ _ __ ___  ___ | |_) | (___ | |  | |
>  |  ___| '__/ _ \/ _ \|  _ < \___ \| |  | |
>  | |   | | |  __/  __/| |_) |____) | |__| |
>  | |   | | |    |    ||     |      |
>  |_|   |_|  \___|\___||____/|_____/|_____/    ```                        `
>                                              s` `.....---.......--.```   -/
>  +            Welcome to FreeBSD           +4H+   .--`         /y:`      +.
> /boot/kernel/cc_vegas.ko size 0x30d0 at 0x1068000:.            :o      `+-
> Booting...el/cc_hd.ko size 0x2c00 at 0x1062000000               -/`   -o/
>  Xen 4.6-unstabletcp.ko size 0x2f90 at 0x1065000                  ::/sy+:.
> (XEN) Xen version 4.6-unstable (r...@netapp.com) (gcc47 (FreeBSD Ports 
> Collection) 4.7.4) debug=y Mon May 18 14:50:17 CEST 2015                      
>     :`
> (XEN) Latest ChangeSet:                    | `:                          :`
> (XEN) Bootloader: FreeBSD Loader           |  /                          /
> (XEN) Command line: dom0_mem=4096M dom0pvh=1 com1=115200,8n1 console=com1.
> (XEN) Video information:]ptions...         |   --                      -.
> (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 0 MBR signatures
> (XEN)  Found 0 EDD information structures
> (XEN) Xen-e820 RAM map:+0x50db0 -
> (XEN)  0000000000000000 - 000000000008b800 (usable)
> (XEN)  000000000008b800 - 00000000000a0000 (reserved)
> (XEN)  00000000000e0000 - 0000000000100000 (reserved)
> (XEN)  0000000000100000 - 000000007cb09000 (usable)
> (XEN)  000000007cb09000 - 000000007cb39000 (reserved)
> (XEN)  000000007cb39000 - 000000007cc52000 (ACPI data)
> (XEN)  000000007cc52000 - 000000007d4b0000 (ACPI NVS)
> (XEN)  000000007d4b0000 - 000000007eafb000 (reserved)
> (XEN)  000000007eafb000 - 000000007eafc000 (usable)
> (XEN)  000000007eafc000 - 000000007eb82000 (ACPI NVS)
> (XEN)  000000007eb82000 - 000000007f000000 (usable)
> (XEN)  0000000080000000 - 0000000090000000 (reserved)
> (XEN)  00000000fed1c000 - 00000000fed20000 (reserved)
> (XEN)  00000000ff000000 - 0000000100000000 (reserved)
> (XEN)  0000000100000000 - 0000002080000000 (usable)
> (XEN) ACPI: RSDP 000F04A0, 0024 (r2 FTS   )
> (XEN) ACPI: XSDT 7CB71090, 00A4 (r1 FTS    D2939-B1  1072009 AMI     10013)
> (XEN) ACPI: FACP 7CB7FAA8, 010C (r5 FTS    D2939-B1  1072009 AMI     10013)
> (XEN) ACPI: DSDT 7CB711C8, E8DD (r2 FTS    D2939-B1      114 INTL 20091112)
> (XEN) ACPI: FACS 7D4A7080, 0040
> (XEN) ACPI: APIC 7CB7FBB8, 0294 (r3 FTS    D2939-B1  1072009 AMI     10013)
> (XEN) ACPI: FPDT 7CB7FE50, 0044 (r1 FTS    D2939-B1  1072009 AMI     10013)
> (XEN) ACPI: MCFG 7CB7FE98, 003C (r1 FTS    OEMMCFG.  1072009 MSFT       97)
> (XEN) ACPI: SRAT 7CB7FED8, 0530 (r1 A M I  AMI SRAT        1 AMI.        0)
> (XEN) ACPI: SLIT 7CB80408, 0030 (r1 A M I  AMI SLIT        0 AMI.        0)
> (XEN) ACPI: HPET 7CB80438, 0038 (r1 FTS    D2939-B1  1072009 AMI.        5)
> (XEN) ACPI: PRAD 7CB80470, 00BE (r2 PRADID  PRADTID        1 MSFT  3000001)
> (XEN) ACPI: SPMI 7CB80530, 0040 (r5 A M I   OEMSPMI        0 AMI.        0)
> (XEN) ACPI: SSDT 7CB80570, D0CB0 (r2  INTEL    CpuPm     4000 INTL 20051117)
> (XEN) ACPI: SPCR 7CC51220, 0050 (r1  A M I   APTIO4  1072009 AMI.        5)
> (XEN) ACPI: EINJ 7CC51270, 0130 (r1    AMI AMI EINJ        0             0)
> (XEN) ACPI: ERST 7CC513A0, 0230 (r1  AMIER AMI ERST        0             0)
> (XEN) ACPI: HEST 7CC515D0, 00A8 (r1    AMI AMI HEST        0             0)
> (XEN) ACPI: BERT 7CC51678, 0030 (r1    AMI AMI BERT        0             0)
> (XEN) ACPI: DMAR 7CC516A8, 0110 (r1 A M I   OEMDMAR        1 INTL        1)
> (XEN) System RAM: 131023MB (134167628kB)
> (XEN) SRAT: PXM 0 -> APIC 0 -> Node 0
> (XEN) SRAT: PXM 0 -> APIC 1 -> Node 0
> (XEN) SRAT: PXM 0 -> APIC 2 -> Node 0
> (XEN) SRAT: PXM 0 -> APIC 3 -> Node 0
> (XEN) SRAT: PXM 0 -> APIC 4 -> Node 0
> (XEN) SRAT: PXM 0 -> APIC 5 -> Node 0
> (XEN) SRAT: PXM 0 -> APIC 6 -> Node 0
> (XEN) SRAT: PXM 0 -> APIC 7 -> Node 0
> (XEN) SRAT: PXM 0 -> APIC 8 -> Node 0
> (XEN) SRAT: PXM 0 -> APIC 9 -> Node 0
> (XEN) SRAT: PXM 0 -> APIC 16 -> Node 0
> (XEN) SRAT: PXM 0 -> APIC 17 -> Node 0
> (XEN) SRAT: PXM 0 -> APIC 18 -> Node 0
> (XEN) SRAT: PXM 0 -> APIC 19 -> Node 0
> (XEN) SRAT: PXM 0 -> APIC 20 -> Node 0
> (XEN) SRAT: PXM 0 -> APIC 21 -> Node 0
> (XEN) SRAT: PXM 0 -> APIC 22 -> Node 0
> (XEN) SRAT: PXM 0 -> APIC 23 -> Node 0
> (XEN) SRAT: PXM 0 -> APIC 24 -> Node 0
> (XEN) SRAT: PXM 0 -> APIC 25 -> Node 0
> (XEN) SRAT: PXM 1 -> APIC 32 -> Node 1
> (XEN) SRAT: PXM 1 -> APIC 33 -> Node 1
> (XEN) SRAT: PXM 1 -> APIC 34 -> Node 1
> (XEN) SRAT: PXM 1 -> APIC 35 -> Node 1
> (XEN) SRAT: PXM 1 -> APIC 36 -> Node 1
> (XEN) SRAT: PXM 1 -> APIC 37 -> Node 1
> (XEN) SRAT: PXM 1 -> APIC 38 -> Node 1
> (XEN) SRAT: PXM 1 -> APIC 39 -> Node 1
> (XEN) SRAT: PXM 1 -> APIC 40 -> Node 1
> (XEN) SRAT: PXM 1 -> APIC 41 -> Node 1
> (XEN) SRAT: PXM 1 -> APIC 48 -> Node 1
> (XEN) SRAT: PXM 1 -> APIC 49 -> Node 1
> (XEN) SRAT: PXM 1 -> APIC 50 -> Node 1
> (XEN) SRAT: PXM 1 -> APIC 51 -> Node 1
> (XEN) SRAT: PXM 1 -> APIC 52 -> Node 1
> (XEN) SRAT: PXM 1 -> APIC 53 -> Node 1
> (XEN) SRAT: PXM 1 -> APIC 54 -> Node 1
> (XEN) SRAT: PXM 1 -> APIC 55 -> Node 1
> (XEN) SRAT: PXM 1 -> APIC 56 -> Node 1
> (XEN) SRAT: PXM 1 -> APIC 57 -> Node 1
> (XEN) SRAT: Node 0 PXM 0 0-80000000
> (XEN) SRAT: Node 0 PXM 0 100000000-1080000000
> (XEN) SRAT: Node 1 PXM 1 1080000000-2080000000
> (XEN) NUMA: Allocated memnodemap from 207f338000 - 207f339000
> (XEN) NUMA: Using 19 for the hash shift.
> (XEN) Domain heap initialised DMA width 32 bits
> (XEN) found SMP MP-table at 000fdbe0
> (XEN) DMI 2.7 present.
> (XEN) Using APIC driver default
> (XEN) ACPI: PM-Timer IO Port: 0x408
> (XEN) ACPI: v5 SLEEP INFO: control[0:0], status[0:0]
> (XEN) ACPI: SLEEP INFO: pm1x_cnt[1:404,1:0], pm1x_evt[1:400,1:0]
> (XEN) ACPI: 32/64X FACS address mismatch in FADT - 7d4a7080/0000000000000000, 
> using 32
> (XEN) ACPI:             wakeup_vec[7d4a708c], vec_size[20]
> (XEN) ACPI: Local APIC address 0xfee00000
> (XEN) ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
> (XEN) Processor #0 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] enabled)
> (XEN) Processor #2 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x04] lapic_id[0x04] enabled)
> (XEN) Processor #4 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x06] lapic_id[0x06] enabled)
> (XEN) Processor #6 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x08] lapic_id[0x08] enabled)
> (XEN) Processor #8 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x0a] lapic_id[0x10] enabled)
> (XEN) Processor #16 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x0c] lapic_id[0x12] enabled)
> (XEN) Processor #18 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x0e] lapic_id[0x14] enabled)
> (XEN) Processor #20 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x10] lapic_id[0x16] enabled)
> (XEN) Processor #22 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x12] lapic_id[0x18] enabled)
> (XEN) Processor #24 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x14] lapic_id[0x20] enabled)
> (XEN) Processor #32 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x16] lapic_id[0x22] enabled)
> (XEN) Processor #34 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x18] lapic_id[0x24] enabled)
> (XEN) Processor #36 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x1a] lapic_id[0x26] enabled)
> (XEN) Processor #38 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x1c] lapic_id[0x28] enabled)
> (XEN) Processor #40 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x1e] lapic_id[0x30] enabled)
> (XEN) Processor #48 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x20] lapic_id[0x32] enabled)
> (XEN) Processor #50 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x22] lapic_id[0x34] enabled)
> (XEN) Processor #52 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x24] lapic_id[0x36] enabled)
> (XEN) Processor #54 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x26] lapic_id[0x38] enabled)
> (XEN) Processor #56 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled)
> (XEN) Processor #1 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x03] lapic_id[0x03] enabled)
> (XEN) Processor #3 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x05] lapic_id[0x05] enabled)
> (XEN) Processor #5 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x07] lapic_id[0x07] enabled)
> (XEN) Processor #7 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x09] lapic_id[0x09] enabled)
> (XEN) Processor #9 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x0b] lapic_id[0x11] enabled)
> (XEN) Processor #17 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x0d] lapic_id[0x13] enabled)
> (XEN) Processor #19 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x0f] lapic_id[0x15] enabled)
> (XEN) Processor #21 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x11] lapic_id[0x17] enabled)
> (XEN) Processor #23 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x13] lapic_id[0x19] enabled)
> (XEN) Processor #25 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x15] lapic_id[0x21] enabled)
> (XEN) Processor #33 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x17] lapic_id[0x23] enabled)
> (XEN) Processor #35 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x19] lapic_id[0x25] enabled)
> (XEN) Processor #37 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x1b] lapic_id[0x27] enabled)
> (XEN) Processor #39 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x1d] lapic_id[0x29] enabled)
> (XEN) Processor #41 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x1f] lapic_id[0x31] enabled)
> (XEN) Processor #49 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x21] lapic_id[0x33] enabled)
> (XEN) Processor #51 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x23] lapic_id[0x35] enabled)
> (XEN) Processor #53 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x25] lapic_id[0x37] enabled)
> (XEN) Processor #55 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x27] lapic_id[0x39] enabled)
> (XEN) Processor #57 7:14 APIC version 21
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x04] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x06] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x08] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x0a] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x0c] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x0e] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x10] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x12] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x14] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x16] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x18] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x1a] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x1c] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x1e] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x20] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x22] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x24] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x26] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x03] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x05] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x07] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x09] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x0b] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x0d] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x0f] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x11] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x13] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x15] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x17] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x19] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x1b] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x1d] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x1f] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x21] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x23] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x25] high edge lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x27] high edge lint[0x1])
> (XEN) Overriding APIC driver with bigsmp
> (XEN) ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0])
> (XEN) IOAPIC[0]: apic_id 0, version 32, address 0xfec00000, GSI 0-23
> (XEN) ACPI: IOAPIC (id[0x02] address[0xfec01000] gsi_base[24])
> (XEN) IOAPIC[1]: apic_id 2, version 32, address 0xfec01000, GSI 24-47
> (XEN) ACPI: IOAPIC (id[0x03] address[0xfec40000] gsi_base[48])
> (XEN) IOAPIC[2]: apic_id 3, version 32, address 0xfec40000, GSI 48-71
> (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:  Phys.  Using 3 I/O APICs
> (XEN) ACPI: HPET id: 0x8086a701 base: 0xfed00000
> (XEN) Xen ERST support is initialized.
> (XEN) HEST: Table parsing has been initialized
> (XEN) Using ACPI (MADT) for SMP configuration information
> (XEN) SMP: Allowing 40 CPUs (0 hotplug CPUs)
> (XEN) IRQ limits: 72 GSI, 7624 MSI/MSI-X
> (XEN) Switched to APIC driver x2apic_cluster.
> (XEN) Using scheduler: SMP Credit Scheduler (credit)
> (XEN) Detected 2800.090 MHz processor.
> (XEN) Initing memory sharing.
> (XEN) xstate_init: using cntxt_size: 0x340 and states: 0x7
> (XEN) mce_intel.c:735: MCA Capability: BCAST 1 SER 1 CMCI 1 firstbank 0 
> extended MCE MSR 0
> (XEN) Intel machine check reporting enabled
> (XEN) alt table ffff82d0802deab0 -> ffff82d0802dfd40
> (XEN) PCI: MCFG configuration 0: base 80000000 segment 0000 buses 00 - ff
> (XEN) PCI: MCFG area at 80000000 reserved in E820
> (XEN) PCI: Using MCFG for segment 0000 bus 00-ff
> (XEN) Intel VT-d iommu 0 supported page sizes: 4kB, 2MB, 1GB.
> (XEN) Intel VT-d iommu 1 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 Shared EPT tables enabled.
> (XEN) I/O virtualisation enabled
> (XEN)  - Dom0 mode: Relaxed
> (XEN) Interrupt remapping enabled
> (XEN) Enabled directed EOI with ioapic_ack_old on!
> (XEN) ENABLING IO-APIC IRQs
> (XEN)  -> Using old ACK method
> (XEN) ..TIMER: vector=0xF0 apic1=0 pin1=2 apic2=-1 pin2=-1
> (XEN) TSC deadline timer enabled
> (XEN) Platform timer is 14.318MHz HPET
> (XEN) Defaulting to alternative key handling; send 'A' to switch to normal 
> mode.
> (XEN) Allocated console ring of 512 KiB.
> (XEN) mwait-idle: MWAIT substates: 0x1120
> (XEN) mwait-idle: v0.4 model 0x3e
> (XEN) mwait-idle: lapic_timer_reliable_states 0xffffffff
> (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)  - Unrestricted Guest
> (XEN)  - APIC Register Virtualization
> (XEN)  - Virtual Interrupt Delivery
> (XEN)  - Posted Interrupt Processing
> (XEN) HVM: ASIDs enabled.
> (XEN) HVM: VMX enabled
> (XEN) HVM: Hardware Assisted Paging (HAP) detected
> (XEN) HVM: HAP page sizes: 4kB, 2MB, 1GB
> (XEN) Brought up 40 CPUs
> (XEN) ACPI sleep modes: S3
> (XEN) mcheck_poll: Machine check polling timer started.
> (XEN) Dom0 has maximum 1224 PIRQs
> (XEN) *** LOADING DOMAIN 0 ***
> (XEN) elf_parse_binary: phdr: paddr=0xffffffff80200000 memsz=0x99d3f0
> (XEN) elf_parse_binary: phdr: paddr=0xffffffff80d9d3f0 memsz=0x3d71f8
> (XEN) elf_parse_binary: memory: 0xffffffff80200000 -> 0xffffffff811745e8
> (XEN) elf_xen_parse_note: GUEST_OS = "FreeBSD"
> (XEN) elf_xen_parse_note: GUEST_VERSION = "0x10c929"
> (XEN) elf_xen_parse_note: XEN_VERSION = "xen-3.0"
> (XEN) elf_xen_parse_note: VIRT_BASE = 0xffffffff80000000
> (XEN) elf_xen_parse_note: PADDR_OFFSET = 0xffffffff80000000
> (XEN) elf_xen_parse_note: ENTRY = 0xffffffff80854000
> (XEN) elf_xen_parse_note: HYPERCALL_PAGE = 0xffffffff80853000
> (XEN) elf_xen_parse_note: HV_START_LOW = 0xffff800000000000
> (XEN) elf_xen_parse_note: FEATURES = 
> "writable_descriptor_tables|auto_translated_physmap|supervisor_mode_kernel|hvm_callback_vector"
> (XEN) elf_xen_parse_note: PAE_MODE = "yes"
> (XEN) elf_xen_parse_note: unknown xen elf note (0xd)
> (XEN) elf_xen_parse_note: LOADER = "generic"
> (XEN) elf_xen_parse_note: SUSPEND_CANCEL = 0x0
> (XEN) elf_xen_parse_note: BSD_SYMTAB = "yes"
> (XEN) elf_xen_parse: using notes from SHT_NOTE section
> (XEN) elf_xen_addr_calc_check: addresses:
> (XEN)     virt_base        = 0xffffffff80000000
> (XEN)     elf_paddr_offset = 0xffffffff80000000
> (XEN)     virt_offset      = 0x0
> (XEN)     virt_kstart      = 0xffffffff80200000
> (XEN)     virt_kend        = 0xffffffff8135e110
> (XEN)     virt_entry       = 0xffffffff80854000
> (XEN)     p2m_base         = 0xffffffffffffffff
> (XEN)  Xen  kernel: 64-bit, lsb, compat32
> (XEN)  Dom0 kernel: 64-bit, PAE, lsb, paddr 0xffffffff80200000 -> 
> 0xffffffff811745e8
> (XEN)  Dom0 symbol map 0xffffffff811745e8 -> 0xffffffff8135e110
> (XEN) PHYSICAL MEMORY ARRANGEMENT:
> (XEN)  Dom0 alloc.:   0000001030000000->0000001032000000 (1040320 pages to be 
> allocated)
> (XEN)  Init. ramdisk: 000000207ffc0000->0000002080000000
> (XEN) VIRTUAL MEMORY ARRANGEMENT:
> (XEN)  Loaded kernel: ffffffff80200000->ffffffff8135e110
> (XEN)  Init. ramdisk: ffffffff8135f000->ffffffff8139f000
> (XEN)  Phys-Mach map: ffffffff8139f000->ffffffff81b9f000
> (XEN)  Start info:    ffffffff81b9f000->ffffffff81ba04b4
> (XEN)  Page tables:   ffffffff81ba1000->ffffffff81bb4000
> (XEN)  Boot stack:    ffffffff81bb4000->ffffffff81bb5000
> (XEN)  TOTAL:         ffffffff80000000->ffffffff82000000
> (XEN)  ENTRY ADDRESS: ffffffff80854000
> (XEN) Dom0 has maximum 40 VCPUs
> (XEN) elf_load_binary: phdr 2 at 0xffffffff80200000 -> 0xffffffff80b9d3f0
> (XEN) elf_load_binary: phdr 3 at 0xffffffff80d9d3f0 -> 0xffffffff80e487b8
> (XEN) elf_load_bsdsyms: shdr 4 at 0xffff83207f3a4b70 -> 0xffffffff81174f70
> (XEN) elf_load_bsdsyms: shdr 34 at 0xffff83207fe11b65 -> 0xffffffff811b0c48
> (XEN) elf_load_bsdsyms: shdr 35 at 0xffff83207fe12670 -> 0xffffffff811b0e10
> (XEN) elf_load_bsdsyms: shdr 36 at 0xffff83207feeb4c8 -> 0xffffffff81289c68
> (XEN) Masked VT-d error signaling on 0000:00:05.0
> (XEN) Masked VT-d error signaling on 0000:80:05.0
> (XEN) Scrubbing Free RAM on 2 nodes using 20 CPUs
> (XEN) .....................................................done.
> (XEN) Initial low memory virq threshold set at 0x4000 pages.
> (XEN) Std. Loglevel: All
> (XEN) Guest Loglevel: All
> (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to 
> Xen)
> (XEN) Freed 304kB init memory.
> (XEN) <vm_launch_fail> error code 7
> (XEN) domain_crash_sync called from vmcs.c:1547
> (XEN) Domain 0 (vcpu#0) crashed on cpu#0:
> (XEN) ----[ Xen-4.6-unstable  x86_64  debug=y  Not tainted ]----
> (XEN) CPU:    0
> (XEN) RIP:    0000:[<ffffffff80854000>]
> (XEN) RFLAGS: 0000000000000200   CONTEXT: hvm guest (d0v0)
> (XEN) rax: 0000000000000000   rbx: ffff82d0802e8000   rcx: ffff82d0802eff80
> (XEN) rdx: ffff82d0801e1500   rsi: 0000000000000000   rdi: ffff82d0801ed77c
> (XEN) rbp: ffff82d0801061d2   rsp: ffffffff81bb5000   r8:  ffff83103ff00000
> (XEN) r9:  ffff82d08010623f   r10: ffff82d0802eff70   r11: 0000000000000000
> (XEN) r12: ffff82d0802eff50   r13: ffff831033ae7000   r14: ffff83103ff00000
> (XEN) r15: ffff82d08018eae3   cr0: 0000000080000011   cr4: 0000000000000020
> (XEN) cr3: 0000000001ba1000   cr2: 0000000000000000
> (XEN) ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: 0000   cs: 0000
> (XEN) Guest stack trace from rsp=ffffffff81bb5000:
> (XEN)   Fault while accessing guest memory.
> (XEN) Hardware Dom0 crashed: rebooting machine in 5 seconds.
> (XEN) Resetting with ACPI MEMORY or I/O RESET_REG.

Hello,

This looks very similar to the crash reported at:

https://lists.freebsd.org/pipermail/freebsd-xen/2015-April/002315.html

Which was also reported at xen-devel, but nobody seems to have looked
into it.

Could you send a bug report to xen-devel with the following trace
(please make sure to mention PVH in the subject line) CCing the Intel
VT-X maintainers? (the emails are in the MAINTAINERS file in the Xen
source tree).

Thanks, Roger.
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