Linux 3.14-rc0 + Merge branch 'akpm' (incoming from Andrew - Mon Jan27) + Xen + i386 dom0 = BOOM

From: Konrad Rzeszutek Wilk
Date: Tue Jan 28 2014 - 13:08:11 EST



If I boot a kernel that is built on
commit 1b17366d695c8ab03f98d0155357e97a427e1dce
Merge: d12de1e 7179ba5
Author: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date: Mon Jan 27 21:11:26 2014 -0800

Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc

it boots .

But if I boot with

commit 54c0a4b46150db1571d955d598cd342c9f1d9657
Merge: 1b17366 c2218e2
Author: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date: Mon Jan 27 21:17:55 2014 -0800

Merge branch 'akpm' (incoming from Andrew)

it blows up.

Here is the juicy bit (attached is the full serial log)


mapping kernel into physical memory
about to get started...
[ 0.000000] Reserving virtual address space above 0xff400000
[ 0.000000] Initializing cgroup subsys cpuset
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Initializing cgroup subsys cpuacct
[ 0.000000] Linux version 3.13.0upstream-08800-g3bf6f37 (konrad@xxxxxxxxxxxxxxxxxxxxxxxxxxx) (gcc version 4.4.4 20100503 (Red Hat 4.4.4-2) (GCC) ) #1 SMP Tue Jan 28 11:29:28 EST 2014
[ 0.000000] Freeing 99-100 pfn range: 103 pages freed
[ 0.000000] Released 103 pages of unused memory
[ 0.000000] Set 298846 page(s) to 1-1 mapping
[ 0.000000] Populating 3e700-3e767 pfn range: 103 pages added
[ 0.000000] e820: BIOS-provided physical RAM map:
[ 0.000000] Xen: [mem 0x0000000000000000-0x0000000000098fff] usable
[ 0.000000] Xen: [mem 0x0000000000099c00-0x00000000000fffff] reserved
[ 0.000000] Xen: [mem 0x0000000000100000-0x000000004d066fff] usable
[ 0.000000] Xen: [mem 0x000000004d067000-0x00000000a58f0fff] unusable
[ 0.000000] Xen: [mem 0x00000000a58f1000-0x00000000a58f7fff] ACPI NVS
[ 0.000000] Xen: [mem 0x00000000a58f8000-0x00000000a61b0fff] unusable
[ 0.000000] Xen: [mem 0x00000000a61b1000-0x00000000a6596fff] reserved
[ 0.000000] Xen: [mem 0x00000000a6597000-0x00000000b74b3fff] unusable
[ 0.000000] Xen: [mem 0x00000000b74b4000-0x00000000b76cafff] reserved
[ 0.000000] Xen: [mem 0x00000000b76cb000-0x00000000b770bfff] unusable
[ 0.000000] Xen: [mem 0x00000000b770c000-0x00000000b77b8fff] ACPI NVS
[ 0.000000] Xen: [mem 0x00000000b77b9000-0x00000000b7ffefff] reserved
[ 0.000000] Xen: [mem 0x00000000b7fff000-0x00000000b7ffffff] unusable
[ 0.000000] Xen: [mem 0x00000000bc000000-0x00000000be1fffff] reserved
[ 0.000000] Xen: [mem 0x00000000f8000000-0x00000000fbffffff] 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 0x00000000fee00000-0x00000000feefffff] reserved
[ 0.000000] Xen: [mem 0x00000000ff000000-0x00000000ffffffff] reserved
[ 0.000000] Xen: [mem 0x0000000100000000-0x000000023fdfffff] unusable
[ 0.000000] bootconsole [xenboot0] enabled
[ 0.000000] NX (Execute Disable) protection: active
[ 0.000000] SMBIOS 2.7 present.
[ 0.000000] DMI: Supermicro X10SAE/X10SAE, BIOS 1.00 05/03/2013
[ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
[ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable
[ 0.000000] e820: last_pfn = 0x4d067 max_arch_pfn = 0x1000000
[ 0.000000] Scanning 1 areas for low memory corruption
[ 0.000000] initial memory mapped: [mem 0x00000000-0x077fefff]
[ 0.000000] Base memory trampoline at [c0095000] 95000 size 16384
[ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff]
[ 0.000000] [mem 0x00000000-0x000fffff] page 4k
[ 0.000000] init_memory_mapping: [mem 0x36c00000-0x36dfffff]
[ 0.000000] [mem 0x36c00000-0x36dfffff] page 4k
[ 0.000000] BRK [0x01a33000, 0x01a33fff] PGTABLE
[ 0.000000] init_memory_mapping: [mem 0x34000000-0x36bfffff]
[ 0.000000] [mem 0x34000000-0x36bfffff] page 4k
[ 0.000000] BRK [0x01a34000, 0x01a34fff] PGTABLE
[ 0.000000] BRK [0x01a35000, 0x01a35fff] PGTABLE
[ 0.000000] BRK [0x01a36000, 0x01a36fff] PGTABLE
[ 0.000000] BRK [0x01a37000, 0x01a37fff] PGTABLE
[ 0.000000] BRK [0x01a38000, 0x01a38fff] PGTABLE
[ 0.000000] init_memory_mapping: [mem 0x00100000-0x33ffffff]
[ 0.000000] [mem 0x00100000-0x33ffffff] page 4k
[ 0.000000] init_memory_mapping: [mem 0x36e00000-0x36ffdfff]
[ 0.000000] [mem 0x36e00000-0x36ffdfff] page 4k
[ 0.000000] RAMDISK: [mem 0x01c7f000-0x06bf8fff]
[ 0.000000] ACPI: RSDP 000f0490 000024 (v02 ALASKA)
[ 0.000000] ACPI: XSDT b7794098 0000AC (v01 ALASKA A M I 01072009 AMI 00010013)
[ 0.000000] ACPI: FACP b779f0b8 00010C (v05 ALASKA A M I 01072009 AMI 00010013)
[ 0.000000] ACPI: DSDT b77941d8 00AEDD (v02 ALASKA A M I 00000000 INTL 20091112)
[ 0.000000] ACPI: FACS b77b7080 000040
[ 0.000000] ACPI: APIC b779f1c8 000092 (v03 ALASKA A M I 01072009 AMI 00010013)
[ 0.000000] ACPI: FPDT b779f260 000044 (v01 ALASKA A M I 01072009 AMI 00010013)
[ 0.000000] ACPI: SSDT b779f2a8 000540 (v01 PmRef Cpu0Ist 00003000 INTL 20051117)
[ 0.000000] ACPI: SSDT b779f7e8 000AD8 (v01 PmRef CpuPm 00003000 INTL 20051117)
[ 0.000000] ACPI: SSDT b77a02c0 0002F2 (v01 PmRef Cpu0Tst 00003000 INTL 20051117)
[ 0.000000] ACPI: SSDT b77a05b8 000348 (v01 PmRef ApTst 00003000 INTL 20051117)
[ 0.000000] ACPI: MCFG b77a0900 00003C (v01 ALASKA A M I 01072009 MSFT 00000097)
[ 0.000000] ACPI: HPET b77a0940 000038 (v01 ALASKA A M I 01072009 AMI. 00000005)
[ 0.000000] ACPI: SSDT b77a0978 00036D (v01 SataRe SataTabl 00001000 INTL 20091112)
[ 0.000000] ACPI: SSDT b77a0ce8 00327D (v01 SaSsdt SaSsdt 00003000 INTL 20091112)
[ 0.000000] ACPI: ASF! b77a3f68 0000A5 (v32 INTEL HCG 00000001 TFSM 000F4240)
[ 0.000000] ACPI: XMAR b77a4010 0000B8 (v01 INTEL HSW 00000001 INTL 00000001)
[ 0.000000] ACPI: EINJ b77a40c8 000130 (v01 AMI AMI EINJ 00000000 00000000)
[ 0.000000] ACPI: ERST b77a41f8 000230 (v01 AMIER AMI ERST 00000000 00000000)
[ 0.000000] ACPI: HEST b77a4428 0000A8 (v01 AMI AMI HEST 00000000 00000000)
[ 0.000000] ACPI: BERT b77a44d0 000030 (v01 AMI AMI BERT 00000000 00000000)
[ 0.000000] ACPI: Local APIC address 0xfee00000
[ 0.000000] 352MB HIGHMEM available.
[ 0.000000] 879MB LOWMEM available.
[ 0.000000] mapped low ram: 0 - 36ffe000
[ 0.000000] low ram: 0 - 36ffe000
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x00001000-0x00ffffff]
[ 0.000000] Normal [mem 0x01000000-0x36ffdfff]
[ 0.000000] HighMem [mem 0x36ffe000-0x4d066fff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x00001000-0x00098fff]
[ 0.000000] node 0: [mem 0x00100000-0x4d066fff]
[ 0.000000] On node 0 totalpages: 315391
[ 0.000000] free_area_init_node: node 0, pgdat c180da80, node_mem_map f62e2020
[ 0.000000] DMA zone: 32 pages used for memmap
[ 0.000000] DMA zone: 0 pages reserved
[ 0.000000] DMA zone: 3992 pages, LIFO batch:0
[ 0.000000] Normal zone: 1728 pages used for memmap
[ 0.000000] Normal zone: 221182 pages, LIFO batch:31
[ 0.000000] HighMem zone: 705 pages used for memmap
[ 0.000000] HighMem zone: 90217 pages, LIFO batch:31
[ 0.000000] Using APIC driver default
[ 0.000000] ACPI: PM-Timer IO Port: 0x1808
[ 0.000000] ACPI: Local APIC address 0xfee00000
[ 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 (acpi_id[0x05] lapic_id[0x01] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x06] lapic_id[0x03] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x07] lapic_id[0x05] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x08] lapic_id[0x07] 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 already used, trying 8
[ 0.000000] IOAPIC[0]: Unable to change apic_id!
[ 0.000000] IOAPIC[0]: apic_id 255, version 32, address 0xfec00000, GSI 0-23
[ 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] ACPI: IRQ0 used by override.
[ 0.000000] ACPI: IRQ2 used by override.
[ 0.000000] ACPI: IRQ9 used by override.
[ 0.000000] Using ACPI (MADT) for SMP configuration information
[ 0.000000] ACPI: HPET id: 0x8086a701 base: 0xfed00000
[ 0.000000] smpboot: Allowing 8 CPUs, 0 hotplug CPUs
[ 0.000000] nr_irqs_gsi: 40
[ 0.000000] PM: Registered nosave memory: [mem 0x00099000-0x00099fff]
[ 0.000000] PM: Registered nosave memory: [mem 0x0009a000-0x000fffff]
[ 0.000000] e820: [mem 0xbe200000-0xf7ffffff] available for PCI devices
[ 0.000000] Booting paravirtualized kernel on Xen
[ 0.000000] Xen version: 4.4-rc2 (preserve-AD)
[ 0.000000] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:8 nr_node_ids:1
[ 0.000000] PERCPU: Embedded 14 pages/cpu @f6f85000 s35456 r0 d21888 u57344
[ 0.000000] pcpu-alloc: s35456 r0 d21888 u57344 alloc=14*4096
[ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 [0] 4 [0] 5 [0] 6 [0] 7
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 313631
[ 0.000000] Kernel command line: earlyprintk=xen debug nofb console=tty console=hvc0 xen-pciback.hide=(02:00.0)(02:00.1)(03:00.*)(04:00.0) loglevel=10
[ 0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
[ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
[ 0.000000] Initializing CPU#0
[ 0.000000] xsave: enabled xstate_bv 0x7, cntxt size 0x340
[ 0.000000] BUG: unable to handle kernel paging request at fe75f000
[ 0.000000] IP: [<c184b741>] memblock_virt_alloc_internal+0x14e/0x188
[ 0.000000] *pdpt = 0000000001a2c027 *pde = 0000000000000000
[ 0.000000] Oops: 0002 [#1] SMP
[ 0.000000] Modules linked in:
[ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 3.13.0upstream-08800-g3bf6f37 #1
[ 0.000000] Hardware name: Supermicro X10SAE/X10SAE, BIOS 1.00 05/03/2013
[ 0.000000] task: c17c69e0 ti: c17ba000 task.ti: c17ba000
[ 0.000000] EIP: e019:[<c184b741>] EFLAGS: 00010046 CPU: 0
[ 0.000000] EIP is at memblock_virt_alloc_internal+0x14e/0x188
[ 0.000000] EAX: 00000000 EBX: fe75f000 ECX: 00008000 EDX: c18e1c48
[ 0.000000] ESI: 00000000 EDI: fe75f000 EBP: c17bbdb8 ESP: c17bbd80
[ 0.000000] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: e021
[ 0.000000] CR0: 80050033 CR2: fe75f000 CR3: 01916000 CR4: 00042660
[ 0.000000] Stack:
[ 0.000000] 00008000 00000000 00000000 00000000 ffffffff 00000000 ffffffff 3e75f000
[ 0.000000] 00000000 00008000 00000000 00001000 00000000 ffffffff c17bbe04 c184b91d
[ 0.000000] 00001000 00000000 00000000 00000000 ffffffff 00000000 ffffffff c103b896
[ 0.000000] Call Trace:
[ 0.000000] [<c184b91d>] memblock_virt_alloc_try_nid_nopanic+0xac/0xb4
[ 0.000000] [<c103b896>] ? xen_remap_exchanged_ptes+0x176/0x1f0
[ 0.000000] [<c15f5bb0>] ? _raw_spin_unlock_irqrestore+0x20/0x90
[ 0.000000] [<c185850d>] swiotlb_init_with_tbl+0x7d/0x18a
[ 0.000000] [<c15f0915>] xen_swiotlb_init+0x265/0x3d0
[ 0.000000] [<c182947d>] pci_xen_swiotlb_init+0x1b/0x2e
[ 0.000000] [<c182dd00>] pci_iommu_alloc+0x46/0x5a
[ 0.000000] [<c183a9d9>] mem_init+0xe/0x20f
[ 0.000000] [<c15f8e00>] ? vmalloc_fault+0x30/0x1c0
[ 0.000000] [<c15f8e00>] ? vmalloc_fault+0x30/0x1c0
[ 0.000000] [<c15f8e00>] ? vmalloc_fault+0x30/0x1c0
[ 0.000000] [<c15f8e00>] ? vmalloc_fault+0x30/0x1c0
[ 0.000000] [<c15f8e00>] ? vmalloc_fault+0x30/0x1c0
[ 0.000000] [<c15f8e00>] ? vmalloc_fault+0x30/0x1c0
[ 0.000000] [<c15f8e00>] ? vmalloc_fault+0x30/0x1c0
[ 0.000000] [<c15f8e00>] ? vmalloc_fault+0x30/0x1c0
[ 0.000000] [<c15f8e00>] ? vmalloc_fault+0x30/0x1c0
[ 0.000000] [<c1821aa9>] start_kernel+0x21a/0x40e
[ 0.000000] [<c1821700>] ? repair_env_string+0x5b/0x5b
[ 0.000000] [<c182136b>] i386_start_kernel+0x12e/0x131
[ 0.000000] [<c1826000>] xen_start_kernel+0x65c/0x667
[ 0.000000] Code: ff ff 89 c1 8b 45 e8 8b 7d ec 89 4d e4 89 44 24 04 89 c8 89 3c 24 e8 1c 66 02 00 8b 4d e4 31 c0 8d 99 00 00 00 c0 8b 4d ec 89 df <f3> aa 89 d8 c7 04 24 00 00 00 00 8b 55 ec e8 3c 32 da ff 83 c4
[ 0.000000] EIP: [<c184b741>] memblock_virt_alloc_internal+0x14e/0x188 SS:ESP e021:c17bbd80
[ 0.000000] CR2: 00000000fe75f000
[ 0.000000] ---[ end trace 54b16dbd029168a1 ]---
[ 0.000000] Kernel panic - not syncing: Attempted to kill the idle task!
(XEN) Domain 0 crashed: rebooting machine in 5 seconds.
(XEN) Resetting with ACPI MEMORY or I/O RESET_REG.
? ? Initializing Intel(R) Boot Agent GE v1.3.22 PXE 2.1 Build 086 (WfM 2.0) Press Ctrl+S to enter the Setup Menu.                      Press Ctrl+S to enter the Setup Menu.. ? ? Initializing Intel(R) Boot Agent GE v1.3.22 PXE 2.1 Build 086 (WfM 2.0)   Initializing Intel(R) Boot Agent GE v1.3.22 PXE 2.1 Build 086 (WfM 2.0) Press Ctrl+S to enter the Setup Menu.          
PXELINUX 3.82 2009-06-09 Copyright (C) 1994-2009 H. Peter Anvin et al
Loading latest/xen.gz... ok
Loading latest/vmlinuz... ok
Loading latest/initramfs.cpio.gz... ok
Xen 4.4-rc2
(XEN) Xen version 4.4-rc2 (konrad@(none)) (gcc (GCC) 4.4.4 20100503 (Red Hat 4.4.4-2)) debug=y Tue Jan 28 10:58:43 EST 2014
(XEN) Latest ChangeSet: Tue Jan 28 12:28:33 2014 +0800 git:85a50e1-dirty
(XEN) Bootloader: unknown
(XEN) Command line: com1=115200,8n1 console=com1,vga guest_loglvl=all tmem tmem_compress tmem_dedup dom0_mem=999M,max:1232M dom0_max_vcpus=3 cpufreq=performance,verbose loglvl=all apic=debug
(XEN) Video information:
(XEN) VGA is text mode 80x25, font 8x16
(XEN) VBE/DDC methods: none; EDID transfer time: 0 seconds
(XEN) EDID info not retrieved because no DDC retrieval method detected
(XEN) Disc information:
(XEN) Found 1 MBR signatures
(XEN) Found 1 EDD information structures
(XEN) Xen-e820 RAM map:
(XEN) 0000000000000000 - 0000000000099c00 (usable)
(XEN) 0000000000099c00 - 00000000000a0000 (reserved)
(XEN) 00000000000e0000 - 0000000000100000 (reserved)
(XEN) 0000000000100000 - 00000000a58f1000 (usable)
(XEN) 00000000a58f1000 - 00000000a58f8000 (ACPI NVS)
(XEN) 00000000a58f8000 - 00000000a61b1000 (usable)
(XEN) 00000000a61b1000 - 00000000a6597000 (reserved)
(XEN) 00000000a6597000 - 00000000b74b4000 (usable)
(XEN) 00000000b74b4000 - 00000000b76cb000 (reserved)
(XEN) 00000000b76cb000 - 00000000b770c000 (usable)
(XEN) 00000000b770c000 - 00000000b77b9000 (ACPI NVS)
(XEN) 00000000b77b9000 - 00000000b7fff000 (reserved)
(XEN) 00000000b7fff000 - 00000000b8000000 (usable)
(XEN) 00000000bc000000 - 00000000be200000 (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 - 000000023fe00000 (usable)
(XEN) ACPI: RSDP 000F0490, 0024 (r2 ALASKA)
(XEN) ACPI: XSDT B7794098, 00AC (r1 ALASKA A M I 1072009 AMI 10013)
(XEN) ACPI: DSDT B77941D8, AEDD (r2 ALASKA A M I 0 INTL 20091112)
(XEN) ACPI: FACS B77B7080, 0040
(XEN) ACPI: APIC B779F1C8, 0092 (r3 ALASKA A M I 1072009 AMI 10013)
(XEN) ACPI: FPDT B779F260, 0044 (r1 ALASKA A M I 1072009 AMI 10013)
(XEN) ACPI: SSDT B779F2A8, 0540 (r1 PmRef Cpu0Ist 3000 INTL 20051117)
(XEN) ACPI: SSDT B779F7E8, 0AD8 (r1 PmRef CpuPm 3000 INTL 20051117)
(XEN) ACPI: SSDT B77A02C0, 02F2 (r1 PmRef Cpu0Tst 3000 INTL 20051117)
(XEN) ACPI: SSDT B77A05B8, 0348 (r1 PmRef ApTst 3000 INTL 20051117)
(XEN) ACPI: MCFG B77A0900, 003C (r1 ALASKA A M I 1072009 MSFT 97)
(XEN) ACPI: HPET B77A0940, 0038 (r1 ALASKA A M I 1072009 AMI. 5)
(XEN) ACPI: SSDT B77A0978, 036D (r1 SataRe SataTabl 1000 INTL 20091112)
(XEN) ACPI: SSDT B77A0CE8, 327D (r1 SaSsdt SaSsdt 3000 INTL 20091112)
(XEN) ACPI: ASF! B77A3F68, 00A5 (r32 INTEL HCG 1 TFSM F4240)
(XEN) ACPI: DMAR B77A4010, 00B8 (r1 INTEL HSW 1 INTL 1)
(XEN) ACPI: EINJ B77A40C8, 0130 (r1 AMI AMI EINJ 0 0)
(XEN) ACPI: ERST B77A41F8, 0230 (r1 AMIER AMI ERST 0 0)
(XEN) ACPI: HEST B77A4428, 00A8 (r1 AMI AMI HEST 0 0)
(XEN) ACPI: BERT B77A44D0, 0030 (r1 AMI AMI BERT 0 0)
(XEN) System RAM: 8046MB (8239752kB)
(XEN) No NUMA configuration found
(XEN) Faking a node at 0000000000000000-000000023fe00000
(XEN) Domain heap initialised
(XEN) found SMP MP-table at 000fd870
(XEN) DMI 2.7 present.
(XEN) Using APIC driver default
(XEN) ACPI: PM-Timer IO Port: 0x1808
(XEN) ACPI: v5 SLEEP INFO: control[0:0], status[0:0]
(XEN) ACPI: SLEEP INFO: pm1x_cnt[1804,0], pm1x_evt[1800,0]
(XEN) ACPI: 32/64X FACS address mismatch in FADT - b77b7080/0000000000000000, using 32
(XEN) ACPI: wakeup_vec[b77b708c], vec_size[20]
(XEN) ACPI: Local APIC address 0xfee00000
(XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
(XEN) Processor #0 7:12 APIC version 21
(XEN) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] enabled)
(XEN) Processor #2 7:12 APIC version 21
(XEN) ACPI: LAPIC (acpi_id[0x03] lapic_id[0x04] enabled)
(XEN) Processor #4 7:12 APIC version 21
(XEN) ACPI: LAPIC (acpi_id[0x04] lapic_id[0x06] enabled)
(XEN) Processor #6 7:12 APIC version 21
(XEN) ACPI: LAPIC (acpi_id[0x05] lapic_id[0x01] enabled)
(XEN) Processor #1 7:12 APIC version 21
(XEN) ACPI: LAPIC (acpi_id[0x06] lapic_id[0x03] enabled)
(XEN) Processor #3 7:12 APIC version 21
(XEN) ACPI: LAPIC (acpi_id[0x07] lapic_id[0x05] enabled)
(XEN) Processor #5 7:12 APIC version 21
(XEN) ACPI: LAPIC (acpi_id[0x08] lapic_id[0x07] enabled)
(XEN) Processor #7 7:12 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) Xen ERST support is initialized.
(XEN) Using ACPI (MADT) for SMP configuration information
(XEN) SMP: Allowing 8 CPUs (0 hotplug CPUs)
(XEN) IRQ limits: 24 GSI, 1528 MSI/MSI-X
(XEN) Switched to APIC driver x2apic_cluster.
(XEN) Using scheduler: SMP Credit Scheduler (credit)
(XEN) Detected 3400.099 MHz processor.
(XEN) Initing memory sharing.
(XEN) xstate_init: using cntxt_size: 0x340 and states: 0x: 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 iommu 0 supported page sizes: 4kB.
(XEN) Intel VT-d iommu 1 supported page sizes: 4kB.
(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) 02:00.0: alloced (179)
(XEN) 02:00.0: alloced (189) ffff83023456cf70,pdev ffff8302345ef0d0
(XEN) 02:00.1: alloced (179)
(XEN) 02:00.1: alloced (189) ffff8302345ef250,pdev ffff8302345ef190
(XEN) 04:00.0: alloced (179)
(XEN) 04:00.0: alloced (189) ffff8302345ef520,pdev ffff8302345ef460
(XEN) 05:00.0: status=0010 (alloc_pdev+0xb7/0x360 wants 11)
(XEN) 05:00.0: pos=60
(XEN) 05:00.0: id=0d
(XEN) 05:00.0: pos=a0
(XEN) 05:00.0: id=01
(XEN) 05:00.0: pos=00
(XEN) 05:00.0: no cap 11
(XEN) 08:00.0: alloced (179)
(XEN) 08:00.0: alloced (189) ffff8302345efeb0,pdev ffff8302345efdf0
(XEN) I/O virtualisation enabled
(XEN) - Dom0 mode: Relaxed
(XEN) Interrupt remapping enabled
(XEN) Enabled directed EOI wit 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) Allocated console ring of 64 KiB.
(XEN) mwait-idle: MWAIT substates: 0x42120
(XEit-idle: lapic_timer_reliable_states 0xffffffff
(XEN) VMX: Supported advanced features:
(XEN) - APIC MMIO access virtualisati) - VMCS shadowing
(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 8 CPUs
(XEN) tmem: initialized comp=1 dedup=1 tze=0
(XEN) ACPI sleep modes: S3
(XEN) mcheck_poll: Machine check polling timer started.
(XEN) *** LOADING DOMAIN 0 ***
(XEN) elf_parse_binary: phdr: paddr=0x1000000 memsz=0x7ba000
(XEN) elf_parse_binary: phdr: paddr=0x17ba000 memsz=0x4c5000
(XEN) elf_parse_binary: memory: 0x1000000 -> 0x1c7f000
(XEN) elf_xen_parse_note: GUEST_OS = "linux"
(XEN) elf_xen_parse_note: GUEST_VERSION = "2.6"
(XEN) elf_xen_parse_note: XEN_VERSION = "xen-3.0"
(XEN) elf_xen_parse_note: VIRT_BASE = 0xc0000000
(XEN) elf_xen_parse_note: ENTRY = 0xc182122c
(XEN) elf_xen_parse_note: HYPERCALL_PAGE = 0xc1001000
(XEN) elf_xen_parse_note: FEATURES = "!writable_page_tables|pae_pgdir_above_4gb"
(XEN) elf_xen_parse_note: SUPPORTED_FEATURES = 0x801
(XEN) elf_xen_parse_note: PAE_MODE = "yes"
(XEN) elf_xen_parse_note: LOADER = "generic"
(XEN) elf_xen_parse_note: unknown xen elf note (0xd)
(XEN) elf_xen_parse_note: SUSPEND_CANCEL = 0x1
(XEN) elf_xen_parse_note: HV_START_LOW = 0xf5800000
(XEN) elf_xen_parse_note: PADDR_OFFSET = 0x0
(XEN) elf_xen_addr_calc_check: addresses:
(XEN) virt_base = 0xc0000000
(XEN) elf_paddr_offset = 0x0
(XEN) virt_offset = 0xc0000000
(XEN) virt_kstart = 0xc1000000
(XEN) virt_kend = 0xc1c7f000
(XEN) virt_entry = 0xc182122c
(XEN) p2m_base = 0xffffffffffffffff
(XEN) Xen kernel: 64-bit, lsb, compat32
(XEN) Dom0 kernel: 32-bit, PAE, lsb, paddr 0x1000000 -> 0x1c7f000
(XEN) PHYSICAL MEMORY ARRANGEMENT:
(XEN) Dom0 alloc.: 0000000230000000->0000000234000000 (219014 pages to be allocated)
(XEN) Init. ramdisk: 000000023ae86000->000000023fdffbc9
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN) Loaded kernel: 00000000c1000000->00000000c1c7f000
(XEN) Init. ramdisk: 00000000c1c7f000->00000000c6bf8bc9
(XEN) Phys-Mach map: 00000000c6bf9000->00000000c6cf2c00
(XEN) Start info: 00000000c6cf3000->00000000c6cf34b4
(XEN) Page tables: 00000000c6cf4000->00000000c6d31000
(XEN) Boot stack: 00000000c6d31000->00000000c6d32000
(XEN) TOTAL: 00000000c0000000->00000000c7000000
(XEN) ENTRY ADDRESS: 00000000c182122c
(XEN) Dom0 has maximum 3 VCPUs
(XEN) elf_load_binary: phdr 0 at 0xc1000000 -> 0xc17ba000
(XEN) elf_load_binary: phdr 1 at 0xc17ba000 -> 0xc1913000
(XEN) Scrubbing Free RAM: .....................................................................done.
(XEN) Initial low memory virq threshold set at 0x4000 pages.
(XEN) Std. Loglevel: All
(XEN) Guest Loglevel: All
(XEswitch input to Xen)
(XEN) Freed 272kB init memory.
mapping kernel into physical memory
about to get started...
[ 0.000000] Reserving virtual address space above 0xff400000
[ 0.000000] Initializing cgroup subsys cpuset
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Initializing cgroup subsys cpuacct
[ 0.000000] Linux version 3.13.0upstream-08800-g3bf6f37 (konrad@xxxxxxxxxxxxxxxxxxxxxxxxxxx) (gcc version 4.4.4 20100503 (Red Hat 4.4.4-2) (GCC) ) #1 SMP Tue Jan 28 11:29:28 EST 2014
[ 0.000000] Freeing 99-100 pfn range: 103 pages freed
[ 0.000000] Released 103 pages of unused memory
[ 0.000000] Set 298846 page(s) to 1-1 mapping
[ 0.000000] Populating 3e700-3e767 pfn range: 103 pages added
[ 0.000000] e820: BIOS-provided physical RAM map:
[ 0.000000] Xen: [mem 0x0000000000000000-0x0000000000098fff] usable
[ 0.000000] Xen: [mem 0x0000000000099c00-0x00000000000fffff] reserved
[ 0.000000] Xen: [mem 0x0000000000100000-0x000000004d066fff] usable
[ 0.000000] Xen: [mem 0x000000004d067000-0x00000000a58f0fff] unusable
[ 0.000000] Xen: [mem 0x00000000a58f1000-0x00000000a58f7fff] ACPI NVS
[ 0.000000] Xen: [mem 0x00000000a58f8000-0x00000000a61b0fff] unusable
[ 0.000000] Xen: [mem 0x00000000a61b1000-0x00000000a6596fff] reserved
[ 0.000000] Xen: [mem 0x00000000a6597000-0x00000000b74b3fff] unusable
[ 0.000000] Xen: [mem 0x00000000b74b4000-0x00000000b76cafff] reserved
[ 0.000000] Xen: [mem 0x00000000b76cb000-0x00000000b770bfff] unusable
[ 0.000000] Xen: [mem 0x00000000b770c000-0x00000000b77b8fff] ACPI NVS
[ 0.000000] Xen: [mem 0x00000000b77b9000-0x00000000b7ffefff] reserved
[ 0.000000] Xen: [mem 0x00000000b7fff000-0x00000000b7ffffff] unusable
[ 0.000000] Xen: [mem 0x00000000bc000000-0x00000000be1fffff] reserved
[ 0.000000] Xen: [mem 0x00000000f8000000-0x00000000fbffffff] 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 0x00000000fee00000-0x00000000feefffff] reserved
[ 0.000000] Xen: [mem 0x00000000ff000000-0x00000000ffffffff] reserved
[ 0.000000] Xen: [mem 0x0000000100000000-0x000000023fdfffff] unusable
[ 0.000000] bootconsole [xenboot0] enabled
[ 0.000000] NX (Execute Disable) protection: active
[ 0.000000] SMBIOS 2.7 present.
[ 0.000000] DMI: Supermicro X10SAE/X10SAE, BIOS 1.00 05/03/2013
[ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
[ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable
[ 0.000000] e820: last_pfn = 0x4d067 max_arch_pfn = 0x1000000
[ 0.000000] Scanning 1 areas for low memory corruption
[ 0.000000] initial memory mapped: [mem 0x00000000-0x077fefff]
[ 0.000000] Base memory trampoline at [c0095000] 95000 size 16384
[ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff]
[ 0.000000] [mem 0x00000000-0x000fffff] page 4k
[ 0.000000] init_memory_mapping: [mem 0x36c00000-0x36dfffff]
[ 0.000000] [mem 0x36c00000-0x36dfffff] page 4k
[ 0.000000] BRK [0x01a33000, 0x01a33fff] PGTABLE
[ 0.000000] init_memory_mapping: [mem 0x34000000-0x36bfffff]
[ 0.000000] [mem 0x34000000-0x36bfffff] page 4k
[ 0.000000] BRK [0x01a34000, 0x01a34fff] PGTABLE
[ 0.000000] BRK [0x01a35000, 0x01a35fff] PGTABLE
[ 0.000000] BRK [0x01a36000, 0x01a36fff] PGTABLE
[ 0.000000] BRK [0x01a37000, 0x01a37fff] PGTABLE
[ 0.000000] BRK [0x01a38000, 0x01a38fff] PGTABLE
[ 0.000000] init_memory_mapping: [mem 0x00100000-0x33ffffff]
[ 0.000000] [mem 0x00100000-0x33ffffff] page 4k
[ 0.000000] init_memory_mapping: [mem 0x36e00000-0x36ffdfff]
[ 0.000000] [mem 0x36e00000-0x36ffdfff] page 4k
[ 0.000000] RAMDISK: [mem 0x01c7f000-0x06bf8fff]
[ 0.000000] ACPI: RSDP 000f0490 000024 (v02 ALASKA)
[ 0.000000] ACPI: XSDT b7794098 0000AC (v01 ALASKA A M I 01072009 AMI 00010013)
[ 0.000000] ACPI: FACP b779f0b8 00010C (v05 ALASKA A M I 01072009 AMI 00010013)
[ 0.000000] ACPI: DSDT b77941d8 00AEDD (v02 ALASKA A M I 00000000 INTL 20091112)
[ 0.000000] ACPI: FACS b77b7080 000040
[ 0.000000] ACPI: APIC b779f1c8 000092 (v03 ALASKA A M I 01072009 AMI 00010013)
[ 0.000000] ACPI: FPDT b779f260 000044 (v01 ALASKA A M I 01072009 AMI 00010013)
[ 0.000000] ACPI: SSDT b779f2a8 000540 (v01 PmRef Cpu0Ist 00003000 INTL 20051117)
[ 0.000000] ACPI: SSDT b779f7e8 000AD8 (v01 PmRef CpuPm 00003000 INTL 20051117)
[ 0.000000] ACPI: SSDT b77a02c0 0002F2 (v01 PmRef Cpu0Tst 00003000 INTL 20051117)
[ 0.000000] ACPI: SSDT b77a05b8 000348 (v01 PmRef ApTst 00003000 INTL 20051117)
[ 0.000000] ACPI: MCFG b77a0900 00003C (v01 ALASKA A M I 01072009 MSFT 00000097)
[ 0.000000] ACPI: HPET b77a0940 000038 (v01 ALASKA A M I 01072009 AMI. 00000005)
[ 0.000000] ACPI: SSDT b77a0978 00036D (v01 SataRe SataTabl 00001000 INTL 20091112)
[ 0.000000] ACPI: SSDT b77a0ce8 00327D (v01 SaSsdt SaSsdt 00003000 INTL 20091112)
[ 0.000000] ACPI: ASF! b77a3f68 0000A5 (v32 INTEL HCG 00000001 TFSM 000F4240)
[ 0.000000] ACPI: XMAR b77a4010 0000B8 (v01 INTEL HSW 00000001 INTL 00000001)
[ 0.000000] ACPI: EINJ b77a40c8 000130 (v01 AMI AMI EINJ 00000000 00000000)
[ 0.000000] ACPI: ERST b77a41f8 000230 (v01 AMIER AMI ERST 00000000 00000000)
[ 0.000000] ACPI: HEST b77a4428 0000A8 (v01 AMI AMI HEST 00000000 00000000)
[ 0.000000] ACPI: BERT b77a44d0 000030 (v01 AMI AMI BERT 00000000 00000000)
[ 0.000000] ACPI: Local APIC address 0xfee00000
[ 0.000000] 352MB HIGHMEM available.
[ 0.000000] 879MB LOWMEM available.
[ 0.000000] mapped low ram: 0 - 36ffe000
[ 0.000000] low ram: 0 - 36ffe000
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x00001000-0x00ffffff]
[ 0.000000] Normal [mem 0x01000000-0x36ffdfff]
[ 0.000000] HighMem [mem 0x36ffe000-0x4d066fff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x00001000-0x00098fff]
[ 0.000000] node 0: [mem 0x00100000-0x4d066fff]
[ 0.000000] On node 0 totalpages: 315391
[ 0.000000] free_area_init_node: node 0, pgdat c180da80, node_mem_map f62e2020
[ 0.000000] DMA zone: 32 pages used for memmap
[ 0.000000] DMA zone: 0 pages reserved
[ 0.000000] DMA zone: 3992 pages, LIFO batch:0
[ 0.000000] Normal zone: 1728 pages used for memmap
[ 0.000000] Normal zone: 221182 pages, LIFO batch:31
[ 0.000000] HighMem zone: 705 pages used for memmap
[ 0.000000] HighMem zone: 90217 pages, LIFO batch:31
[ 0.000000] Using APIC driver default
[ 0.000000] ACPI: PM-Timer IO Port: 0x1808
[ 0.000000] ACPI: Local APIC address 0xfee00000
[ 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 (acpi_id[0x05] lapic_id[0x01] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x06] lapic_id[0x03] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x07] lapic_id[0x05] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x08] lapic_id[0x07] 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 already used, trying 8
[ 0.000000] IOAPIC[0]: Unable to change apic_id!
[ 0.000000] IOAPIC[0]: apic_id 255, version 32, address 0xfec00000, GSI 0-23
[ 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] ACPI: IRQ0 used by override.
[ 0.000000] ACPI: IRQ2 used by override.
[ 0.000000] ACPI: IRQ9 used by override.
[ 0.000000] Using ACPI (MADT) for SMP configuration information
[ 0.000000] ACPI: HPET id: 0x8086a701 base: 0xfed00000
[ 0.000000] smpboot: Allowing 8 CPUs, 0 hotplug CPUs
[ 0.000000] nr_irqs_gsi: 40
[ 0.000000] PM: Registered nosave memory: [mem 0x00099000-0x00099fff]
[ 0.000000] PM: Registered nosave memory: [mem 0x0009a000-0x000fffff]
[ 0.000000] e820: [mem 0xbe200000-0xf7ffffff] available for PCI devices
[ 0.000000] Booting paravirtualized kernel on Xen
[ 0.000000] Xen version: 4.4-rc2 (preserve-AD)
[ 0.000000] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:8 nr_node_ids:1
[ 0.000000] PERCPU: Embedded 14 pages/cpu @f6f85000 s35456 r0 d21888 u57344
[ 0.000000] pcpu-alloc: s35456 r0 d21888 u57344 alloc=14*4096
[ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 [0] 4 [0] 5 [0] 6 [0] 7
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 313631
[ 0.000000] Kernel command line: earlyprintk=xen debug nofb console=tty console=hvc0 xen-pciback.hide=(02:00.0)(02:00.1)(03:00.*)(04:00.0) loglevel=10
[ 0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
[ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
[ 0.000000] Initializing CPU#0
[ 0.000000] xsave: enabled xstate_bv 0x7, cntxt size 0x340
[ 0.000000] BUG: unable to handle kernel paging request at fe75f000
[ 0.000000] IP: [<c184b741>] memblock_virt_alloc_internal+0x14e/0x188
[ 0.000000] *pdpt = 0000000001a2c027 *pde = 0000000000000000
[ 0.000000] Oops: 0002 [#1] SMP
[ 0.000000] Modules linked in:
[ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 3.13.0upstream-08800-g3bf6f37 #1
[ 0.000000] Hardware name: Supermicro X10SAE/X10SAE, BIOS 1.00 05/03/2013
[ 0.000000] task: c17c69e0 ti: c17ba000 task.ti: c17ba000
[ 0.000000] EIP: e019:[<c184b741>] EFLAGS: 00010046 CPU: 0
[ 0.000000] EIP is at memblock_virt_alloc_internal+0x14e/0x188
[ 0.000000] EAX: 00000000 EBX: fe75f000 ECX: 00008000 EDX: c18e1c48
[ 0.000000] ESI: 00000000 EDI: fe75f000 EBP: c17bbdb8 ESP: c17bbd80
[ 0.000000] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: e021
[ 0.000000] CR0: 80050033 CR2: fe75f000 CR3: 01916000 CR4: 00042660
[ 0.000000] Stack:
[ 0.000000] 00008000 00000000 00000000 00000000 ffffffff 00000000 ffffffff 3e75f000
[ 0.000000] 00000000 00008000 00000000 00001000 00000000 ffffffff c17bbe04 c184b91d
[ 0.000000] 00001000 00000000 00000000 00000000 ffffffff 00000000 ffffffff c103b896
[ 0.000000] Call Trace:
[ 0.000000] [<c184b91d>] memblock_virt_alloc_try_nid_nopanic+0xac/0xb4
[ 0.000000] [<c103b896>] ? xen_remap_exchanged_ptes+0x176/0x1f0
[ 0.000000] [<c15f5bb0>] ? _raw_spin_unlock_irqrestore+0x20/0x90
[ 0.000000] [<c185850d>] swiotlb_init_with_tbl+0x7d/0x18a
[ 0.000000] [<c15f0915>] xen_swiotlb_init+0x265/0x3d0
[ 0.000000] [<c182947d>] pci_xen_swiotlb_init+0x1b/0x2e
[ 0.000000] [<c182dd00>] pci_iommu_alloc+0x46/0x5a
[ 0.000000] [<c183a9d9>] mem_init+0xe/0x20f
[ 0.000000] [<c15f8e00>] ? vmalloc_fault+0x30/0x1c0
[ 0.000000] [<c15f8e00>] ? vmalloc_fault+0x30/0x1c0
[ 0.000000] [<c15f8e00>] ? vmalloc_fault+0x30/0x1c0
[ 0.000000] [<c15f8e00>] ? vmalloc_fault+0x30/0x1c0
[ 0.000000] [<c15f8e00>] ? vmalloc_fault+0x30/0x1c0
[ 0.000000] [<c15f8e00>] ? vmalloc_fault+0x30/0x1c0
[ 0.000000] [<c15f8e00>] ? vmalloc_fault+0x30/0x1c0
[ 0.000000] [<c15f8e00>] ? vmalloc_fault+0x30/0x1c0
[ 0.000000] [<c15f8e00>] ? vmalloc_fault+0x30/0x1c0
[ 0.000000] [<c1821aa9>] start_kernel+0x21a/0x40e
[ 0.000000] [<c1821700>] ? repair_env_string+0x5b/0x5b
[ 0.000000] [<c182136b>] i386_start_kernel+0x12e/0x131
[ 0.000000] [<c1826000>] xen_start_kernel+0x65c/0x667
[ 0.000000] Code: ff ff 89 c1 8b 45 e8 8b 7d ec 89 4d e4 89 44 24 04 89 c8 89 3c 24 e8 1c 66 02 00 8b 4d e4 31 c0 8d 99 00 00 00 c0 8b 4d ec 89 df <f3> aa 89 d8 c7 04 24 00 00 00 00 8b 55 ec e8 3c 32 da ff 83 c4
[ 0.000000] EIP: [<c184b741>] memblock_virt_alloc_internal+0x14e/0x188 SS:ESP e021:c17bbd80
[ 0.000000] CR2: 00000000fe75f000
[ 0.000000] ---[ end trace 54b16dbd029168a1 ]---
[ 0.000000] Kernel panic - not syncing: Attempted to kill the idle task!
(XEN) Domain 0 crashed: rebooting machine in 5 seconds.
(XEN) Resetting with ACPI MEMORY or I/O RESET_REG.