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Re: [Xen-devel] Possible bug, dom0 crash on ubuntu
On Jun 16, 2012 5:56 PM, "Rolu" <rolu@xxxxxxxx> wrote:
>
> When booting a recently compiled Xen 4.2 on Ubuntu 12.04, dom0
> crashes. I've included a serial console log below.
>
> I've used:
> Xen 4.2 unstable rev. 25483, compiled on the same machine. I had to
> apply the AT_EMPTY_PATH patch from
> http://lists.gnu.org/archive/html/qemu-devel/2012-02/msg03460.html to
> get it to compile.
> Linux 3.2.0-25, which is the default kernel in Ubuntu's repository right now.
> Ubuntu 12.04 Precise
>
> Booting with the default Xen 4.1 from the Ubuntu repositories works.
>
> Using the kernel from
> http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.4-precise/, which is
> a mainline Linux kernel (and also more recent) works with my compiled
> version of Xen 4.2
>
> So,
> * Is xen 4.2 not happy with the 3.2 kernel I've used?
> * Is this due to something Ubuntu modified in their default kernel?
> * Is this an issue with Xen?
> * Did I break something?
This is an issue with the Ubuntu kernel. Check this thread out:
http://lists.xen.org/archives/html/xen-devel/2012-05/msg00049.html
Adding xsave=0 to the Xen kernel line in grub is the workaround.
> -----
>
> __ __ _ _ ____ _ _ _
> \ \/ /___ _ __ | || | |___ \ _ _ _ __ ___| |_ __ _| |__ | | ___
> \ // _ \ '_ \ | || |_ __) |__| | | | '_ \/ __| __/ _` | '_ \| |/ _ \
> / \ __/ | | | |__ _| / __/|__| |_| | | | \__ \ || (_| | |_) | | __/
> /_/\_\___|_| |_| |_|(_)_____| \__,_|_| |_|___/\__\__,_|_.__/|_|\___|
>
> (XEN) Xen version 4.2-unstable (root@xxxxxxxx) (gcc version 4.6.3
> (Ubuntu/Linaro 4.6.3-1ubuntu5) ) Fri Jun 15 05:32:29 CEST 2012
> (XEN) Latest ChangeSet: Thu Jun 14 16:05:42 2012 +0100 25483:9dffb1864f2c
> (XEN) Bootloader: GRUB 1.99-21ubuntu3.1
> (XEN) Command line: placeholder loglvl=all guest_loglvl=all
> console_timestamps=1 noreboot com1=115200,8n1,0x3f8,4 console=com1,vga
> (XEN) Video information:
> (XEN) VGA is text mode 80x25, font 8x16
> (XEN) VBE/DDC methods: V2; EDID transfer time: 1 seconds
> (XEN) Disc information:
> (XEN) Found 3 MBR signatures
> (XEN) Found 3 EDD information structures
> (XEN) Xen-e820 RAM map:
> (XEN) 0000000000000000 - 000000000009d800 (usable)
> (XEN) 000000000009d800 - 00000000000a0000 (reserved)
> (XEN) 00000000000e0000 - 0000000000100000 (reserved)
> (XEN) 0000000000100000 - 0000000020000000 (usable)
> (XEN) 0000000020000000 - 0000000020200000 (reserved)
> (XEN) 0000000020200000 - 0000000040004000 (usable)
> (XEN) 0000000040004000 - 0000000040005000 (reserved)
> (XEN) 0000000040005000 - 00000000bd8a7000 (usable)
> (XEN) 00000000bd8a7000 - 00000000bde1f000 (reserved)
> (XEN) 00000000bde1f000 - 00000000be09f000 (ACPI NVS)
> (XEN) 00000000be09f000 - 00000000be0a4000 (ACPI data)
> (XEN) 00000000be0a4000 - 00000000be0e7000 (ACPI NVS)
> (XEN) 00000000be0e7000 - 00000000beb81000 (usable)
> (XEN) 00000000beb81000 - 00000000beff2000 (reserved)
> (XEN) 00000000beff2000 - 00000000bf000000 (usable)
> (XEN) 00000000bf800000 - 00000000cfa00000 (reserved)
> (XEN) 00000000f8000000 - 00000000fc000000 (reserved)
> (XEN) 00000000fec00000 - 00000000fec01000 (reserved)
> (XEN) 00000000fed00000 - 00000000fed04000 (reserved)
> (XEN) 00000000fed1c000 - 00000000fed20000 (reserved)
> (XEN) 00000000fee00000 - 00000000fee01000 (reserved)
> (XEN) 00000000ff000000 - 0000000100000000 (reserved)
> (XEN) 0000000100000000 - 000000042f600000 (usable)
> (XEN) ACPI: RSDP 000F0450, 0024 (r2 ALASKA)
> (XEN) ACPI: XSDT BE084080, 0084 (r1 ALASKA A M I 1072009 AMI 10013)
> (XEN) ACPI: FACP BE08E218, 00F4 (r4 ALASKA A M I 1072009 AMI 10013)
> (XEN) ACPI: DSDT BE0841A0, A077 (r2 ALASKA A M I 14 INTL 20051117)
> (XEN) ACPI: FACS BE09DF80, 0040
> (XEN) ACPI: APIC BE08E310, 0072 (r3 ALASKA A M I 1072009 AMI 10013)
> (XEN) ACPI: ASF! BE08E388, 00A5 (r32 INTEL HCG 1 TFSM F4240)
> (XEN) ACPI: MCFG BE08E430, 003C (r1 ALASKA A M I 1072009 MSFT 97)
> (XEN) ACPI: SSDT BE08E470, 04A6 (r1 Intel_ AoacTabl 1000 INTL 20091112)
> (XEN) ACPI: AAFT BE08E918, 00C2 (r1 ALASKA OEMAAFT 1072009 MSFT 97)
> (XEN) ACPI: HPET BE08E9E0, 0038 (r1 ALASKA A M I 1072009 AMI. 5)
> (XEN) ACPI: SSDT BE08EA18, 036D (r1 SataRe SataTabl 1000 INTL 20091112)
> (XEN) ACPI: SSDT BE08ED88, 09AA (r1 PmRef Cpu0Ist 3000 INTL 20051117)
> (XEN) ACPI: SSDT BE08F738, 0A92 (r1 PmRef CpuPm 3000 INTL 20051117)
> (XEN) ACPI: DMAR BE0901D0, 00B8 (r1 INTEL SNB 1 INTL 1)
> (XEN) ACPI: BGRT BE090288, 003C (r0 ALASKA A M I 1072009 AMI 10013)
> (XEN) System RAM: 16086MB (16473004kB)
> (XEN) No NUMA configuration found
> (XEN) Faking a node at 0000000000000000-000000042f600000
> (XEN) Domain heap initialised
> (XEN) found SMP MP-table at 000fceb0
> (XEN) DMI 2.7 present.
> (XEN) Using APIC driver default
> (XEN) ACPI: PM-Timer IO Port: 0x408
> (XEN) ACPI: ACPI SLEEP INFO: pm1x_cnt[404,0], pm1x_evt[400,0]
> (XEN) ACPI: 32/64X FACS address mismatch in FADT -
> be09df80/0000000000000000, using 32
> (XEN) ACPI: wakeup_vec[be09df8c], vec_size[20]
> (XEN) ACPI: Local APIC address 0xfee00000
> (XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
> (XEN) Processor #0 7:10 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] enabled)
> (XEN) Processor #2 7:10 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x03] lapic_id[0x04] enabled)
> (XEN) Processor #4 7:10 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x04] lapic_id[0x06] enabled)
> (XEN) Processor #6 7:10 APIC version 21
> (XEN) ACPI: LAPIC_NMI (acpi_id[0xff] high edge lint[0x1])
> (XEN) ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0])
> (XEN) IOAPIC[0]: apic_id 2, 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) Table is 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) Switched to APIC driver x2apic_cluster.
> (XEN) Using scheduler: SMP Credit Scheduler (credit)
> (XEN) Detected 3300.138 MHz processor.
> (XEN) Initing memory sharing.
> (XEN) xstate_init: using cntxt_size: 0x340 and states: 0x7
> (XEN) mce_intel.c:1239: MCA Capability: BCAST 1 SER 0 CMCI 1 firstbank
> 0 extended MCE MSR 0
> (XEN) Intel machine check reporting enabled
> (XEN) PCI: MCFG configuration 0: base f8000000 segment 0000 buses 00 - 3f
> (XEN) PCI: MCFG area at f8000000 reserved in E820
> (XEN) PCI: Using MCFG for segment 0000 bus 00-3f
> (XEN) Intel VT-d Snoop Control not 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 not enabled.
> (XEN) I/O virtualisation enabled
> (XEN) - Dom0 mode: Relaxed
> (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) [2012-06-17 00:22:20] Platform timer is 14.318MHz HPET
> (XEN) [2012-06-17 00:22:20] Allocated console ring of 32 KiB.
> (XEN) [2012-06-17 00:22:20] VMX: Supported advanced features:
> (XEN) [2012-06-17 00:22:20] - APIC MMIO access virtualisation
> (XEN) [2012-06-17 00:22:20] - APIC TPR shadow
> (XEN) [2012-06-17 00:22:20] - Extended Page Tables (EPT)
> (XEN) [2012-06-17 00:22:20] - Virtual-Processor Identifiers (VPID)
> (XEN) [2012-06-17 00:22:20] - Virtual NMI
> (XEN) [2012-06-17 00:22:20] - MSR direct-access bitmap
> (XEN) [2012-06-17 00:22:20] - Unrestricted Guest
> (XEN) [2012-06-17 00:22:20] HVM: ASIDs enabled.
> (XEN) [2012-06-17 00:22:20] HVM: VMX enabled
> (XEN) [2012-06-17 00:22:20] HVM: Hardware Assisted Paging (HAP) detected
> (XEN) [2012-06-17 00:22:20] HVM: HAP page sizes: 4kB, 2MB
> (XEN) [2012-06-17 00:22:20] Brought up 4 CPUs
> (XEN) [2012-06-17 00:22:20] ACPI sleep modes: S3
> (XEN) [2012-06-17 00:22:20] mcheck_poll: Machine check polling timer started.
> (XEN) [2012-06-17 00:22:20] *** LOADING DOMAIN 0 ***
> (XEN) [2012-06-17 00:22:20] elf_parse_binary: phdr: paddr=0x1000000
> memsz=0xad5000
> (XEN) [2012-06-17 00:22:20] elf_parse_binary: phdr: paddr=0x1c00000
> memsz=0xe50e0
> (XEN) [2012-06-17 00:22:20] elf_parse_binary: phdr: paddr=0x1ce6000
> memsz=0x14480
> (XEN) [2012-06-17 00:22:20] elf_parse_binary: phdr: paddr=0x1cfb000
> memsz=0x364000
> (XEN) [2012-06-17 00:22:20] elf_parse_binary: memory: 0x1000000 -> 0x205f000
> (XEN) [2012-06-17 00:22:20] elf_xen_parse_note: GUEST_OS = "linux"
> (XEN) [2012-06-17 00:22:20] elf_xen_parse_note: GUEST_VERSION = "2.6"
> (XEN) [2012-06-17 00:22:20] elf_xen_parse_note: XEN_VERSION = "xen-3.0"
> (XEN) [2012-06-17 00:22:20] elf_xen_parse_note: VIRT_BASE = 0xffffffff80000000
> (XEN) [2012-06-17 00:22:20] elf_xen_parse_note: ENTRY = 0xffffffff81cfb200
> (XEN) [2012-06-17 00:22:20] elf_xen_parse_note: HYPERCALL_PAGE =
> 0xffffffff81001000
> (XEN) [2012-06-17 00:22:20] elf_xen_parse_note: FEATURES =
> "!writable_page_tables|pae_pgdir_above_4gb"
> (XEN) [2012-06-17 00:22:20] elf_xen_parse_note: PAE_MODE = "yes"
> (XEN) [2012-06-17 00:22:20] elf_xen_parse_note: LOADER = "generic"
> (XEN) [2012-06-17 00:22:20] elf_xen_parse_note: unknown xen elf note (0xd)
> (XEN) [2012-06-17 00:22:20] elf_xen_parse_note: SUSPEND_CANCEL = 0x1
> (XEN) [2012-06-17 00:22:20] elf_xen_parse_note: HV_START_LOW =
> 0xffff800000000000
> (XEN) [2012-06-17 00:22:20] elf_xen_parse_note: PADDR_OFFSET = 0x0
> (XEN) [2012-06-17 00:22:20] elf_xen_addr_calc_check: addresses:
> (XEN) [2012-06-17 00:22:20] virt_base = 0xffffffff80000000
> (XEN) [2012-06-17 00:22:20] elf_paddr_offset = 0x0
> (XEN) [2012-06-17 00:22:20] virt_offset = 0xffffffff80000000
> (XEN) [2012-06-17 00:22:20] virt_kstart = 0xffffffff81000000
> (XEN) [2012-06-17 00:22:20] virt_kend = 0xffffffff8205f000
> (XEN) [2012-06-17 00:22:20] virt_entry = 0xffffffff81cfb200
> (XEN) [2012-06-17 00:22:20] p2m_base = 0xffffffffffffffff
> (XEN) [2012-06-17 00:22:20] Xen kernel: 64-bit, lsb, compat32
> (XEN) [2012-06-17 00:22:20] Dom0 kernel: 64-bit, PAE, lsb, paddr
> 0x1000000 -> 0x205f000
> (XEN) [2012-06-17 00:22:20] PHYSICAL MEMORY ARRANGEMENT:
> (XEN) [2012-06-17 00:22:20] Dom0 alloc.:
> 0000000418000000->0000000420000000 (3987995 pages to be allocated)
> (XEN) [2012-06-17 00:22:20] Init. ramdisk: 000000042d02f000->000000042f5ff400
> (XEN) [2012-06-17 00:22:20] VIRTUAL MEMORY ARRANGEMENT:
> (XEN) [2012-06-17 00:22:20] Loaded kernel: ffffffff81000000->ffffffff8205f000
> (XEN) [2012-06-17 00:22:20] Init. ramdisk: ffffffff8205f000->ffffffff8462f400
> (XEN) [2012-06-17 00:22:20] Phys-Mach map: ffffffff84630000->ffffffff864eff60
> (XEN) [2012-06-17 00:22:20] Start info: ffffffff864f0000->ffffffff864f04b4
> (XEN) [2012-06-17 00:22:20] Page tables: ffffffff864f1000->ffffffff86528000
> (XEN) [2012-06-17 00:22:20] Boot stack: ffffffff86528000->ffffffff86529000
> (XEN) [2012-06-17 00:22:20] TOTAL: ffffffff80000000->ffffffff86800000
> (XEN) [2012-06-17 00:22:20] ENTRY ADDRESS: ffffffff81cfb200
> (XEN) [2012-06-17 00:22:20] Dom0 has maximum 4 VCPUs
> (XEN) [2012-06-17 00:22:20] elf_load_binary: phdr 0 at
> 0xffffffff81000000 -> 0xffffffff81ad5000
> (XEN) [2012-06-17 00:22:20] elf_load_binary: phdr 1 at
> 0xffffffff81c00000 -> 0xffffffff81ce50e0
> (XEN) [2012-06-17 00:22:20] elf_load_binary: phdr 2 at
> 0xffffffff81ce6000 -> 0xffffffff81cfa480
> (XEN) [2012-06-17 00:22:20] elf_load_binary: phdr 3 at
> 0xffffffff81cfb000 -> 0xffffffff81dd3000
> (XEN) [2012-06-17 00:22:22] Scrubbing Free RAM: .done.
> (XEN) [2012-06-17 00:22:22] Initial low memory virq threshold set at
> 0x4000 pages.
> (XEN) [2012-06-17 00:22:22] Std. Loglevel: All
> (XEN) [2012-06-17 00:22:22] Guest Loglevel: All
> (XEN) [2012-06-17 00:22:22] Xen is relinquishing VGA console.
> (XEN) [2012-06-17 00:22:22] *** Serial input -> DOM0 (type 'CTRL-a'
> three times to switch input to Xen)
> (XEN) [2012-06-17 00:22:22] Freed 244kB init memory.
> mapping kernel into physical memory
> Xen: setup ISA identity maps
> about to get started...
> [ 0.000000] Initializing cgroup subsys cpuset
> [ 0.000000] Initializing cgroup subsys cpu
> [ 0.000000] Linux version 3.2.0-25-generic (buildd@crested) (gcc
> version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #40-Ubuntu SMP We)
> [ 0.000000] Command line: placeholder
> root=UUID=74eca254-73dc-478d-9c20-8e0c1fa8bebe ro console=hvc0
> earlyprintk=xen
> [ 0.000000] KERNEL supported cpus:
> [ 0.000000] Intel GenuineIntel
> [ 0.000000] AMD AuthenticAMD
> [ 0.000000] Centaur CentaurHauls
> [ 0.000000] Freeing 9d-100 pfn range: 99 pages freed
> [ 0.000000] Freeing 20000-20200 pfn range: 512 pages freed
> [ 0.000000] Freeing 40004-40005 pfn range: 1 pages freed
> [ 0.000000] Freeing bd8a7-be0e7 pfn range: 2112 pages freed
> [ 0.000000] Freeing beb81-beff2 pfn range: 1137 pages freed
> [ 0.000000] Freeing bf000-100000 pfn range: 266240 pages freed
> [ 0.000000] Released 270101 pages of unused memory
> [ 0.000000] Set 270101 page(s) to 1-1 mapping
> [ 0.000000] BIOS-provided physical RAM map:
> [ 0.000000] Xen: 0000000000000000 - 000000000009d000 (usable)
> [ 0.000000] Xen: 000000000009d800 - 0000000000100000 (reserved)
> [ 0.000000] Xen: 0000000000100000 - 0000000020000000 (usable)
> [ 0.000000] Xen: 0000000020000000 - 0000000020200000 (reserved)
> [ 0.000000] Xen: 0000000020200000 - 0000000040004000 (usable)
> [ 0.000000] Xen: 0000000040004000 - 0000000040005000 (reserved)
> [ 0.000000] Xen: 0000000040005000 - 00000000bd8a7000 (usable)
> [ 0.000000] Xen: 00000000bd8a7000 - 00000000bde1f000 (reserved)
> [ 0.000000] Xen: 00000000bde1f000 - 00000000be09f000 (ACPI NVS)
> [ 0.000000] Xen: 00000000be09f000 - 00000000be0a4000 (ACPI data)
> [ 0.000000] Xen: 00000000be0a4000 - 00000000be0e7000 (ACPI NVS)
> [ 0.000000] Xen: 00000000be0e7000 - 00000000beb81000 (usable)
> [ 0.000000] Xen: 00000000beb81000 - 00000000beff2000 (reserved)
> [ 0.000000] Xen: 00000000beff2000 - 00000000bf000000 (usable)
> [ 0.000000] Xen: 00000000bf800000 - 00000000cfa00000 (reserved)
> [ 0.000000] Xen: 00000000f8000000 - 00000000fc000000 (reserved)
> [ 0.000000] Xen: 00000000fec00000 - 00000000fec01000 (reserved)
> [ 0.000000] Xen: 00000000fed00000 - 00000000fed04000 (reserved)
> [ 0.000000] Xen: 00000000fed1c000 - 00000000fed20000 (reserved)
> [ 0.000000] Xen: 00000000fee00000 - 00000000fee01000 (reserved)
> [ 0.000000] Xen: 00000000ff000000 - 0000000100000000 (reserved)
> [ 0.000000] Xen: 0000000100000000 - 000000042f600000 (usable)
> [ 0.000000] bootconsole [xenboot0] enabled
> [ 0.000000] NX (Execute Disable) protection: active
> [ 0.000000] DMI 2.7 present.
> [ 0.000000] No AGP bridge found
> [ 0.000000] last_pfn = 0x42f600 max_arch_pfn = 0x400000000
> [ 0.000000] x2apic enabled by BIOS, switching to x2apic ops
> [ 0.000000] last_pfn = 0xbf000 max_arch_pfn = 0x400000000
> [ 0.000000] found SMP MP-table at [ffff8800000fceb0] fceb0
> [ 0.000000] init_memory_mapping: 0000000000000000-00000000bf000000
> [ 0.000000] init_memory_mapping: 0000000100000000-000000042f600000
> [ 0.000000] RAMDISK: 0205f000 - 04630000
> [ 0.000000] ACPI: RSDP 00000000000f0450 00024 (v02 ALASKA)
> [ 0.000000] ACPI: XSDT 00000000be084080 00084 (v01 ALASKA A M I
> 01072009 AMI 00010013)
> [ 0.000000] ACPI: FACP 00000000be08e218 000F4 (v04 ALASKA A M I
> 01072009 AMI 00010013)
> [ 0.000000] ACPI: DSDT 00000000be0841a0 0A077 (v02 ALASKA A M I
> 00000014 INTL 20051117)
> [ 0.000000] ACPI: FACS 00000000be09df80 00040
> [ 0.000000] ACPI: APIC 00000000be08e310 00072 (v03 ALASKA A M I
> 01072009 AMI 00010013)
> [ 0.000000] ACPI: ASF! 00000000be08e388 000A5 (v32 INTEL HCG
> 00000001 TFSM 000F4240)
> [ 0.000000] ACPI: MCFG 00000000be08e430 0003C (v01 ALASKA A M I
> 01072009 MSFT 00000097)
> [ 0.000000] ACPI: SSDT 00000000be08e470 004A6 (v01 Intel_ AoacTabl
> 00001000 INTL 20091112)
> [ 0.000000] ACPI: AAFT 00000000be08e918 000C2 (v01 ALASKA OEMAAFT
> 01072009 MSFT 00000097)
> [ 0.000000] ACPI: HPET 00000000be08e9e0 00038 (v01 ALASKA A M I
> 01072009 AMI. 00000005)
> [ 0.000000] ACPI: SSDT 00000000be08ea18 0036D (v01 SataRe SataTabl
> 00001000 INTL 20091112)
> [ 0.000000] ACPI: SSDT 00000000be08ed88 009AA (v01 PmRef Cpu0Ist
> 00003000 INTL 20051117)
> [ 0.000000] ACPI: SSDT 00000000be08f738 00A92 (v01 PmRef CpuPm
> 00003000 INTL 20051117)
> [ 0.000000] ACPI: XMAR 00000000be0901d0 000B8 (v01 INTEL SNB
> 00000001 INTL 00000001)
> [ 0.000000] ACPI: BGRT 00000000be090288 0003C (v00 ALASKA A M I
> 01072009 AMI 00010013)
> [ 0.000000] Setting APIC routing to cluster x2apic.
> [ 0.000000] No NUMA configuration found
> [ 0.000000] Faking a node at 0000000000000000-000000042f600000
> [ 0.000000] Initmem setup node 0 0000000000000000-000000042f600000
> [ 0.000000] NODE_DATA [00000003d7fe7000 - 00000003d7febfff]
> [ 0.000000] Zone PFN ranges:
> [ 0.000000] DMA 0x00000010 -> 0x00001000
> [ 0.000000] DMA32 0x00001000 -> 0x00100000
> [ 0.000000] Normal 0x00100000 -> 0x0042f600
> [ 0.000000] Movable zone start PFN for each node
> [ 0.000000] early_node_map[7] active PFN ranges
> [ 0.000000] 0: 0x00000010 -> 0x0000009d
> [ 0.000000] 0: 0x00000100 -> 0x00020000
> [ 0.000000] 0: 0x00020200 -> 0x00040004
> [ 0.000000] 0: 0x00040005 -> 0x000bd8a7
> [ 0.000000] 0: 0x000be0e7 -> 0x000beb81
> [ 0.000000] 0: 0x000beff2 -> 0x000bf000
> [ 0.000000] 0: 0x00100000 -> 0x0042f600
> [ 0.000000] ACPI: PM-Timer IO Port: 0x408
> [ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
> [ 0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] enabled)
> [ 0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x04] enabled)
> [ 0.000000] ACPI: LAPIC (acpi_id[0x04] lapic_id[0x06] enabled)
> [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] high edge lint[0x1])
> [ 0.000000] ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0])
> [ 0.000000] IOAPIC[0]: apic_id 2, version 255, address 0xfec00000, GSI 0-255
> [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
> [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
> [ 0.000000] Using ACPI (MADT) for SMP configuration information
> [ 0.000000] ACPI: HPET id: 0x8086a701 base: 0xfed00000
> [ 0.000000] SMP: Allowing 4 CPUs, 0 hotplug CPUs
> [ 0.000000] PM: Registered nosave memory: 000000000009d000 - 000000000009e000
> [ 0.000000] PM: Registered nosave memory: 000000000009e000 - 0000000000100000
> [ 0.000000] PM: Registered nosave memory: 0000000020000000 - 0000000020200000
> [ 0.000000] PM: Registered nosave memory: 0000000040004000 - 0000000040005000
> [ 0.000000] PM: Registered nosave memory: 00000000bd8a7000 - 00000000bde1f000
> [ 0.000000] PM: Registered nosave memory: 00000000bde1f000 - 00000000be09f000
> [ 0.000000] PM: Registered nosave memory: 00000000be09f000 - 00000000be0a4000
> [ 0.000000] PM: Registered nosave memory: 00000000be0a4000 - 00000000be0e7000
> [ 0.000000] PM: Registered nosave memory: 00000000beb81000 - 00000000beff2000
> [ 0.000000] PM: Registered nosave memory: 00000000bf000000 - 00000000bf800000
> [ 0.000000] PM: Registered nosave memory: 00000000bf800000 - 00000000cfa00000
> [ 0.000000] PM: Registered nosave memory: 00000000cfa00000 - 00000000f8000000
> [ 0.000000] PM: Registered nosave memory: 00000000f8000000 - 00000000fc000000
> [ 0.000000] PM: Registered nosave memory: 00000000fc000000 - 00000000fec00000
> [ 0.000000] PM: Registered nosave memory: 00000000fec00000 - 00000000fec01000
> [ 0.000000] PM: Registered nosave memory: 00000000fec01000 - 00000000fed00000
> [ 0.000000] PM: Registered nosave memory: 00000000fed00000 - 00000000fed04000
> [ 0.000000] PM: Registered nosave memory: 00000000fed04000 - 00000000fed1c000
> [ 0.000000] PM: Registered nosave memory: 00000000fed1c000 - 00000000fed20000
> [ 0.000000] PM: Registered nosave memory: 00000000fed20000 - 00000000fee00000
> [ 0.000000] PM: Registered nosave memory: 00000000fee00000 - 00000000fee01000
> [ 0.000000] PM: Registered nosave memory: 00000000fee01000 - 00000000ff000000
> [ 0.000000] PM: Registered nosave memory: 00000000ff000000 - 0000000100000000
> [ 0.000000] Allocating PCI resources starting at cfa00000 (gap:
> cfa00000:28600000)
> [ 0.000000] Booting paravirtualized kernel on Xen
> [ 0.000000] Xen version: 4.2-unstable (preserve-AD)
> [ 0.000000] setup_percpu: NR_CPUS:256 nr_cpumask_bits:256
> nr_cpu_ids:4 nr_node_ids:1
> [ 0.000000] PERCPU: Embedded 28 pages/cpu @ffff8803d7c00000 s83072
> r8192 d23424 u524288
> [ 3.860481] Built 1 zonelists in Zone order, mobility grouping on.
> Total pages: 4048188
> [ 3.860484] Policy zone: Normal
> [ 3.860487] Kernel command line: placeholder
> root=UUID=74eca254-73dc-478d-9c20-8e0c1fa8bebe ro console=hvc0
> earlyprintk=xen
> [ 3.860828] PID hash table entries: 4096 (order: 3, 32768 bytes)
> [ 3.861070] invalid opcode: 0000 [#1] SMP
> [ 3.861073] CPU 0
> [ 3.861074] Modules linked in:
> [ 3.861076]
> [ 3.861078] Pid: 0, comm: swapper Not tainted 3.2.0-25-generic
> #40-Ubuntu To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extre6
> [ 3.861083] RIP: e030:[<ffffffff8101d82c>] [<ffffffff8101d82c>]
> xstate_enable+0x3c/0x50
> [ 3.861090] RSP: e02b:ffffffff81c01e58 EFLAGS: 00010046
> [ 3.861092] RAX: 0000000000000007 RBX: ffffffff81c01e94 RCX: 0000000000000000
> [ 3.861094] RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000002660
> [ 3.861096] RBP: ffffffff81c01e58 R08: ffffffff81c01e90 R09: ffffffff81c01e94
> [ 3.861098] R10: 00000000ffffffff R11: 00000000ffffffff R12: ffffffff81c01e90
> [ 3.861100] R13: ffffffff81c01e8c R14: ffffffff81c01e88 R15: ffff8803d7c0c480
> [ 3.861104] FS: 0000000000000000(0000) GS:ffff8803d7c00000(0000)
> knlGS:0000000000000000
> [ 3.861107] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b
> [ 3.861108] CR2: 0000000000000000 CR3: 0000000001c05000 CR4: 0000000000002660
> [ 3.861111] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> [ 3.861113] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> [ 3.861115] Process swapper (pid: 0, threadinfo ffffffff81c00000,
> task ffffffff81c0d020)
> [ 3.861117] Stack:
> [ 3.861119] ffffffff81c01ec8 ffffffff81d04795 ffff8803d7c0b150
> ffff8803d7c0b950
> [ 3.861123] ffff8803d7c0b150 ffff8803d7c0b950 0000024000000007
> 0000000000000340
> [ 3.861127] 0000000000000004 0000000000000008 0000000000000004
> 0000000000000000
> [ 3.861131] Call Trace:
> [ 3.861136] [<ffffffff81d04795>] xstate_enable_boot_cpu+0xa9/0x174
> [ 3.861141] [<ffffffff8163660b>] xsave_init+0x26/0x28
> [ 3.861143] [<ffffffff816388d1>] cpu_init+0x2bb/0x2d8
> [ 3.861146] [<ffffffff81d00f92>] trap_init+0x169/0x171
> [ 3.861149] [<ffffffff81cfba28>] start_kernel+0x1d5/0x3c7
> [ 3.861153] [<ffffffff81cfb388>] x86_64_start_reservations+0x132/0x136
> [ 3.861156] [<ffffffff81cfef27>] xen_start_kernel+0x5d9/0x5e0
> [ 3.861157] Code: 00 04 00 ff 14 25 90 76 c1 81 48 89 c7 48 81 cf
> 00 00 04 00 ff 14 25 98 76 c1 81 48 8b 05 cd 0d dc 00 31 c9 48
> [ 3.861191] RIP [<ffffffff8101d82c>] xstate_enable+0x3c/0x50
> [ 3.861194] RSP <ffffffff81c01e58
>
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