i installed a cirros in ovm,but compute.log is error

[    0.000000] Initializing cgroup subsys cpuset
[    0.000000] Initializing cgroup subsys cpu
[    0.000000] Linux version 3.2.0-37-virtual (buildd@allspice) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #58-Ubuntu SMP Thu Jan 24 15:48:03 UTC 2013 (Ubuntu 3.2.0-37.58-virtual 3.2.35)
[    0.000000] Command line: LABEL=cirros-rootfs ro console=tty1 console=ttyS0
[    0.000000] KERNEL supported cpus:
[    0.000000]   Intel GenuineIntel
[    0.000000]   AMD AuthenticAMD
[    0.000000]   Centaur CentaurHauls
[    0.000000] Disabled fast string operations
[    0.000000] BIOS-provided physical RAM map:
[    0.000000]  BIOS-e820: 0000000000000000 - 000000000009dc00 (usable)
[    0.000000]  BIOS-e820: 000000000009dc00 - 00000000000a0000 (reserved)
[    0.000000]  BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
[    0.000000]  BIOS-e820: 0000000000100000 - 000000001fffd000 (usable)
[    0.000000]  BIOS-e820: 000000001fffd000 - 0000000020000000 (reserved)
[    0.000000]  BIOS-e820: 00000000fffc0000 - 0000000100000000 (reserved)
[    0.000000] NX (Execute Disable) protection: active
[    0.000000] DMI 2.4 present.
[    0.000000] No AGP bridge found
[    0.000000] last_pfn = 0x1fffd max_arch_pfn = 0x400000000
[    0.000000] x86 PAT enabled: cpu 0, old 0x0, new 0x7010600070106
[    0.000000] found SMP MP-table at [ffff8800000fda50] fda50
[    0.000000] init_memory_mapping: 0000000000000000-000000001fffd000
[    0.000000] RAMDISK: 1fc95000 - 1ffed000
[    0.000000] ACPI: RSDP 00000000000fda00 00014 (v00 BOCHS )
[    0.000000] ACPI: RSDT 000000001fffd630 00034 (v01 BOCHS  BXPCRSDT 00000001 BXPC 00000001)
[    0.000000] ACPI: FACP 000000001ffffe10 00074 (v01 BOCHS  BXPCFACP 00000001 BXPC 00000001)
[    0.000000] ACPI: DSDT 000000001fffd910 024A2 (v01   BXPC   BXDSDT 00000001 INTL 20090123)
[    0.000000] ACPI: FACS 000000001ffffdc0 00040
[    0.000000] ACPI: SSDT 000000001fffd870 0009E (v01 BOCHS  BXPCSSDT 00000001 BXPC 00000001)
[    0.000000] ACPI: APIC 000000001fffd780 00078 (v01 BOCHS  BXPCAPIC 00000001 BXPC 00000001)
[    0.000000] ACPI: SSDT 000000001fffd670 0010F (v01   BXPC BXSSDTPC 00000001 INTL 20090123)
[    0.000000] No NUMA configuration found
[    0.000000] Faking a node at 0000000000000000-000000001fffd000
[    0.000000] Initmem setup node 0 0000000000000000-000000001fffd000
[    0.000000]   NODE_DATA [000000001fff5000 - 000000001fff9fff]
[    0.000000] Zone PFN ranges:
[    0.000000]   DMA      0x00000010 -> 0x00001000
[    0.000000]   DMA32    0x00001000 -> 0x00100000
[    0.000000]   Normal   empty
[    0.000000] Movable zone start PFN for each node
[    0.000000] early_node_map[2] active PFN ranges
[    0.000000]     0: 0x00000010 -> 0x0000009d
[    0.000000]     0: 0x00000100 -> 0x0001fffd
[    0.000000] ACPI: PM-Timer IO Port: 0xb008
[    0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
[    0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[    0.000000] ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0])
[    0.000000] IOAPIC[0]: apic_id 0, version 17, 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 5 global_irq 5 high level)
[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[    0.000000] Using ACPI (MADT) for SMP configuration information
[    0.000000] SMP: Allowing 1 CPUs, 0 hotplug CPUs
[    0.000000] PM: Registered nosave memory: 000000000009d000 - 000000000009e000
[    0.000000] PM: Registered nosave memory: 000000000009e000 - 00000000000a0000
[    0.000000] PM: Registered nosave memory: 00000000000a0000 - 00000000000f0000
[    0.000000] PM: Registered nosave ...