i-cb42aaa8
2011-10-24T20:04:37.000Z
31 d2 65 48 8b 34 25 88 c4 00 00 48 89 d1 48 8d 86 38 e0 ff ff <0f> 01 c8 0f ae f0 48 8b 86 38 e0 ff ff a8 08 0f 85 ba 00 00 00 
[    0.089655] RIP  [<ffffffff8101b68c>] mwait_idle+0x6c/0x160
[    0.089655]  RSP <ffff8801d28dbef0>
[    0.089905] invalid opcode: 0000 [#2] 
[    0.089655] ---[ end trace 93d72a36b9146f22 ]---
[    0.089655] Kernel panic - not syncing: Attempted to kill the idle task!
[    0.089655] Pid: 0, comm: swapper Tainted: G      D     3.1.0-1-virtual #1-Ubuntu
[    0.089655] Call Trace:
[    0.089655]  [<ffffffff8160d69c>] panic+0x91/0x19d
[    0.089655]  [<ffffffff8106828e>] do_exit+0x41e/0x420
[    0.089655]  [<ffffffff816258f0>] oops_end+0xb0/0xf0
[    0.089655]  [<ffffffff810167b8>] die+0x58/0x90
[    0.089655]  [<ffffffff81624fd4>] do_trap+0xc4/0x170
[    0.089655]  [<ffffffff81013ed5>] do_invalid_op+0x95/0xb0
[    0.089655]  [<ffffffff8101b68c>] ? mwait_idle+0x6c/0x160
[    0.089655]  [<ffffffff8103baf5>] ? pvclock_cXen Minimal OS!
  start_info: 0x1890000(VA)
    nr_pages: 0x1e0000
  shared_inf: 0x00fdf000(MA)
     pt_base: 0x1893000(VA)
nr_pt_frames: 0x11
    mfn_list: 0x990000(VA)
   mod_start: 0x0(VA)
     mod_len: 0
       flags: 0x0
    cmd_line:  root=/dev/sda1 ro 4
  stack:      0x94f860-0x96f860
MM: Init
      _text: 0x0(VA)
     _etext: 0x6000d(VA)
   _erodata: 0x78000(VA)
     _edata: 0x80b00(VA)
stack start: 0x94f860(VA)
       _end: 0x98fe68(VA)
  start_pfn: 18a7
    max_pfn: 1e0000
Mapping memory range 0x1c00000 - 0x1e0000000
setting 0x0-0x78000 readonly
skipped 0x1000
MM: Initialise page allocator for 27a0000(27a0000)-1e0000000(1e0000000)
MM: done
Demand map pfns at 1e0001000-21e0001000.
Heap resides at 21e0002000-41e0002000.
Initialising timer interface
Initialising console ... done.
gnttab_table mapped at 0x1e0001000.
Initialising scheduler
Thread "Idle": pointer: 0x21e0002010, stack: 0x36f0000
Initialising xenbus
Thread "xenstore": pointer: 0x21e00027c0, stack: 0x3700000
Dummy main: start_info=0x96f960
Thread "main": pointer: 0x21e0002f70, stack: 0x3710000
"main" "root=/dev/sda1" "ro" "4" 
vbd 2049 is hd0
******************* BLKFRONT for device/vbd/2049 **********


backend at /local/domain/0/backend/vbd/269/2049
Failed to read /local/domain/0/backend/vbd/269/2049/feature-barrier.
Failed to read /local/domain/0/backend/vbd/269/2049/feature-flush-cache.
16777216 sectors of 512 bytes
**************************
vbd 2064 is hd1
******************* BLKFRONT for device/vbd/2064 **********


backend at /local/domain/0/backend/vbd/269/2064
Failed to read /local/domain/0/backend/vbd/269/2064/feature-barrier.
Failed to read /local/domain/0/backend/vbd/269/2064/feature-flush-cache.
880732160 sectors of 512 bytes
**************************
vbd 2080 is hd2
******************* BLKFRONT for device/vbd/2080 **********


backend at /local/domain/0/backend/vbd/269/2080
Failed to read /local/domain/0/backend/vbd/269/2080/feature-barrier.
Failed to read /local/domain/0/backend/vbd/269/2080/feature-flush-cache.
880732160 sectors of 512 bytes
**************************
  Booting 'Ubuntu precise (development branch), kernel 3.1.0-1-virtual'



root  (hd0)

 Filesystem type is ext2fs, using whole disk

kernel  /boot/vmlinuz-3.1.0-1-virtual root=LABEL=cloudimg-rootfs ro console=hvc

0 

initrd  /boot/initrd.img-3.1.0-1-virtual



close blk: backend at /local/domain/0/backend/vbd/269/2049
close blk: backend at /local/domain/0/backend/vbd/269/2064
close blk: backend at /local/domain/0/backend/vbd/269/2080
[    0.000000] Initializing cgroup subsys cpuset
[    0.000000] Initializing cgroup subsys cpu
[    0.000000] Linux version 3.1.0-1-virtual (buildd@yellow) (gcc version 4.6.1 (Ubuntu/Linaro 4.6.1-15ubuntu1) ) #1-Ubuntu SMP Tue Oct 18 22:17:51 UTC 2011 (Ubuntu 3.1.0-1.1-virtual 3.1.0-rc10)
[    0.000000] Command line: root=LABEL=cloudimg-rootfs ro console=hvc0 
[    0.000000] KERNEL supported cpus:
[    0.000000]   Intel GenuineIntel
[    0.000000]   AMD AuthenticAMD
[    0.000000]   Centaur CentaurHauls
[    0.000000] ACPI in unprivileged domain disabled
[    0.000000] released 0 pages of unused memory
[    0.000000] Set 0 page(s) to 1-1 mapping.
[    0.000000] BIOS-provided physical RAM map:
[    0.000000]  Xen: 0000000000000000 - 00000000000a0000 (usable)
[    0.000000]  Xen: 00000000000a0000 - 0000000000100000 (reserved)
[    0.000000]  Xen: 0000000000100000 - 00000001e0000000 (usable)
[    0.000000] NX (Execute Disable) protection: active
[    0.000000] DMI not present or invalid.
[    0.000000] No AGP bridge found
[    0.000000] last_pfn = 0x1e0000 max_arch_pfn = 0x400000000
[    0.000000] last_pfn = 0x100000 max_arch_pfn = 0x400000000
[    0.000000] init_memory_mapping: 0000000000000000-0000000100000000
[    0.000000] init_memory_mapping: 0000000100000000-00000001e0000000
[    0.000000] RAMDISK: 02049000 - 02b9f000
[    0.000000] No NUMA configuration found
[    0.000000] Faking a node at 0000000000000000-00000001e0000000
[    0.000000] Initmem setup node 0 0000000000000000-00000001e0000000
[    0.000000]   NODE_DATA [00000001dfffb000 - 00000001dfffffff]
[    0.000000] Zone PFN ranges:
[    0.000000]   DMA      0x00000010 -> 0x00001000
[    0.000000]   DMA32    0x00001000 -> 0x00100000
[    0.000000]   Normal   0x00100000 -> 0x001e0000
[    0.000000] Movable zone start PFN for each node
[    0.000000] early_node_map[2] active PFN ranges
[    0.000000]     0: 0x00000010 -> 0x000000a0
[    0.000000]     0: 0x00000100 -> 0x001e0000
[    0.000000] SFI: Simple Firmware Interface v0.81 http://simplefirmware.org
[    0.000000] SMP: Allowing 2 CPUs, 0 hotplug CPUs
[    0.000000] No local APIC present
[    0.000000] APIC: disable apic facility
[    0.000000] APIC: switched to apic NOOP
[    0.000000] PM: Registered nosave memory: 00000000000a0000 - 0000000000100000
[    0.000000] PCI: Warning: Cannot find a gap in the 32bit address range
[    0.000000] PCI: Unassigned devices with 32bit resource registers may break!
[    0.000000] Allocating PCI resources starting at 1e0100000 (gap: 1e0100000:400000)
[    0.000000] Booting paravirtualized kernel on Xen
[    0.000000] Xen version: 3.0.3-rc5-8.1.14.f
[    0.000000] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:1
[    0.000000] PERCPU: Embedded 27 pages/cpu @ffff8801dff75000 s81024 r8192 d21376 u110592
[    0.000000] Built 1 zonelists in Node order, mobility grouping on.  Total pages: 1935243
[    0.000000] Policy zone: Normal
[    0.000000] Kernel command line: root=LABEL=cloudimg-rootfs ro console=hvc0 
[    0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
[    0.000000] Checking aperture...
[    0.000000] No AGP bridge found
[    0.000000] Memory: 7616260k/7864320k available (6342k kernel code, 448k absent, 247612k reserved, 6816k data, 900k init)
[    0.000000] SLUB: Genslabs=15, HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
[    0.000000] Hierarchical RCU implementation.
[    0.000000] 	RCU dyntick-idle grace-period acceleration is enabled.
[    0.000000] NR_IRQS:4352 nr_irqs:288 16
[    0.000000] Console: colour dummy device 80x25
[    0.000000] console [tty0] enabled
[    0.000000] console [hvc0] enabled
[    0.000000] allocated 62914560 bytes of page_cgroup
[    0.000000] please try 'cgroup_disable=memory' option if you don't want memory cgroups
[    0.000000] installing Xen timer for CPU 0
[    0.000000] Detected 2666.760 MHz processor.
[    0.004000] Calibrating delay loop (skipped), value calculated using timer frequency.. 5333.52 BogoMIPS (lpj=10667040)
[    0.004000] pid_max: default: 32768 minimum: 301
[    0.004000] Security Framework initialized
[    0.004000] AppArmor: AppArmor initialized
[    0.004000] Yama: becoming mindful.
[    0.004000] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes)
[    0.009407] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes)
[    0.011059] Mount-cache hash table entries: 256
[    0.011264] Initializing cgroup subsys cpuacct
[    0.011281] Initializing cgroup subsys memory
[    0.011297] Initializing cgroup subsys devices
[    0.011303] Initializing cgroup subsys freezer
[    0.011308] Initializing cgroup subsys net_cls
[    0.011313] Initializing cgroup subsys blkio
[    0.011327] Initializing cgroup subsys perf_event
[    0.011394] CPU: Physical Processor ID: 0
[    0.011399] CPU: Processor Core ID: 0
[    0.011404] using mwait in idle threads.
[    0.011447] SMP alternatives: switching to UP code
[    0.050082] ftrace: allocating 26359 entries in 104 pages
[    0.052074] cpu 0 spinlock event irq 17
[    0.052106] Performance Events: PEBS fmt0+, Core2 events, 
[    0.052118] no APIC, boot with the "lapic" boot parameter to force-enable it.
[    0.052124] no hardware sampling interrupt available.
[    0.052143] Broken PMU hardware detected, using software events only.
[    0.052717] installing Xen timer for CPU 1
[    0.052735] cpu 1 spinlock event irq 23
[    0.052763] SMP alternatives: switching to SMP code
[    0.089924] Brought up 2 CPUs
[    0.089922] invalid opcode: 0000 [#1] SMP 
[    0.090004] CPU 1 
[    0.090004] Modules linked in:
[    0.090004] 
[    0.090004] Pid: 0, comm: swapper Not tainted 3.1.0-1-virtual #1-Ubuntu  
[    0.090004] RIP: e030:[<ffffffff8101b68c>]  [<ffffffff8101b68c>] mwait_idle+0x6c/0x160
[    0.090004] RSP: e02b:ffff8801d28dbef0  EFLAGS: 00010046
[    0.090004] RAX: ffff8801d28da010 RBX: ffff8801d28dbfd8 RCX: 0000000000000000
[    0.090004] RDX: 0000000000000000 RSI: ffff8801d28dbfd8 RDI: ffffffff81dcae48
[    0.090004] RBP: ffff8801d28dbf10 R08: 0000000000000000 R09: 0000000000000001
[    0.090004] R10: 0000000000000001 R11: 0000000000000001 R12: ffffffff81cd3240
[    0.090004] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000
[    0.090004] FS:  0000000000000000(0000) GS:ffff8801dff90000(0000) knlGS:0000000000000000
[    0.090004] CS:  e033 DS: 002b ES: 002b CR0: 000000008005003b
[    0.090004] CR2: 0000000000000000 CR3: 0000000001c05000 CR4: 0000000000002660
[    0.090004] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    0.090004] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000000
[    0.090004] Process swapper (pid: 0, threadinfo ffff8801d28da000, task ffff8801d28cae00)
[    0.090004] Stack:
[    0.090004]  ffff8801d28dbfd8 ffffffff81cd3240 0000000000000000 0000000000000000
[    0.090004]  ffff8801d28dbf40 ffffffff8101222f 0000000000000001 28f94a6197785aa5
[    0.090004]  0000000000000000 0000000000000000 ffff8801d28dbf50 ffffffff815ff207
[    0.090004] Call Trace:
[    0.090004]  [<ffffffff8101222f>] cpu_idle+0xcf/0x120
[    0.090004]  [<ffffffff815ff207>] cpu_bringup_and_idle+0xe/0x10
[    0.090004] Code: e8 39 a8 01 74 10 65 48 8b 04 25 88 c4 00 00 0f ae b8 38 e0 ff ff 31 d2 65 48 8b 34 25 88 c4 00 00 48 89 d1 48 8d 86 38 e0 ff ff <0f> 01 c8 0f ae f0 48 8b 86 38 e0 ff ff a8 08 0f 85 ba 00 00 00 
[    0.090004] RIP  [<ffffffff8101b68c>] mwait_idle+0x6c/0x160
[    0.090004]  RSP <ffff8801d28dbef0>
[    0.090255] invalid opcode: 0000 [#2] 
[    0.090004] ---[ end trace 93d72a36b9146f22 ]---
[    0.090004] Kernel panic - not syncing: Attempted to kill the idle task!
[    0.090004] Pid: 0, comm: swapper Tainted: G      D     3.1.0-1-virtual #1-Ubuntu
[    0.090004] Call Trace:
[    0.090004]  [<ffffffff8160d69c>] panic+0x91/0x19d
[    0.090004]  [<ffffffff8106828e>] do_exit+0x41e/0x420
[    0.090004]  [<ffffffff816258f0>] oops_end+0xb0/0xf0
[    0.090004]  [<ffffffff810167b8>] die+0x58/0x90
[    0.090004]  [<ffffffff81624fd4>] do_trap+0xc4/0x170
[    0.090004]  [<ffffffff81013ed5>] do_invalid_op+0x95/0xb0
[    0.090004]  [<ffffffff8101b68c>] ? mwait_idle+0x6c/0x160
[    0.090004]  [<ffffffff8103baf5>] ? pvclock_clocksource_read+Xen Minimal OS!
  start_info: 0x1890000(VA)
    nr_pages: 0x1e0000
  shared_inf: 0x00fdf000(MA)
     pt_base: 0x1893000(VA)
nr_pt_frames: 0x11
    mfn_list: 0x990000(VA)
   mod_start: 0x0(VA)
     mod_len: 0
       flags: 0x0
    cmd_line:  root=/dev/sda1 ro 4
  stack:      0x94f860-0x96f860
MM: Init
      _text: 0x0(VA)
     _etext: 0x6000d(VA)
   _erodata: 0x78000(VA)
     _edata: 0x80b00(VA)
stack start: 0x94f860(VA)
       _end: 0x98fe68(VA)
  start_pfn: 18a7
    max_pfn: 1e0000
Mapping memory range 0x1c00000 - 0x1e0000000
setting 0x0-0x78000 readonly
skipped 0x1000
MM: Initialise page allocator for 27a0000(27a0000)-1e0000000(1e0000000)
MM: done
Demand map pfns at 1e0001000-21e0001000.
Heap resides at 21e0002000-41e0002000.
Initialising timer interface
Initialising console ... done.
gnttab_table mapped at 0x1e0001000.
Initialising scheduler
Thread "Idle": pointer: 0x21e0002010, stack: 0x36f0000
Initialising xenbus
Thread "xenstore": pointer: 0x21e00027c0, stack: 0x3700000
Dummy main: start_info=0x96f960
Thread "main": pointer: 0x21e0002f70, stack: 0x3710000
"main" "root=/dev/sda1" "ro" "4" 
vbd 2049 is hd0
******************* BLKFRONT for device/vbd/2049 **********


backend at /local/domain/0/backend/vbd/272/2049
Failed to read /local/domain/0/backend/vbd/272/2049/feature-barrier.
Failed to read /local/domain/0/backend/vbd/272/2049/feature-flush-cache.
16777216 sectors of 512 bytes
**************************
vbd 2064 is hd1
******************* BLKFRONT for device/vbd/2064 **********


backend at /local/domain/0/backend/vbd/272/2064
Failed to read /local/domain/0/backend/vbd/272/2064/feature-barrier.
Failed to read /local/domain/0/backend/vbd/272/2064/feature-flush-cache.
880732160 sectors of 512 bytes
**************************
vbd 2080 is hd2
******************* BLKFRONT for device/vbd/2080 **********


backend at /local/domain/0/backend/vbd/272/2080
Failed to read /local/domain/0/backend/vbd/272/2080/feature-barrier.
Failed to read /local/domain/0/backend/vbd/272/2080/feature-flush-cache.
880732160 sectors of 512 bytes
**************************
  Booting 'Ubuntu precise (development branch), kernel 3.1.0-1-virtual'



root  (hd0)

 Filesystem type is ext2fs, using whole disk

kernel  /boot/vmlinuz-3.1.0-1-virtual root=LABEL=cloudimg-rootfs ro console=hvc

0 

initrd  /boot/initrd.img-3.1.0-1-virtual



close blk: backend at /local/domain/0/backend/vbd/272/2049
close blk: backend at /local/domain/0/backend/vbd/272/2064
close blk: backend at /local/domain/0/backend/vbd/272/2080
[    0.000000] Initializing cgroup subsys cpuset
[    0.000000] Initializing cgroup subsys cpu
[    0.000000] Linux version 3.1.0-1-virtual (buildd@yellow) (gcc version 4.6.1 (Ubuntu/Linaro 4.6.1-15ubuntu1) ) #1-Ubuntu SMP Tue Oct 18 22:17:51 UTC 2011 (Ubuntu 3.1.0-1.1-virtual 3.1.0-rc10)
[    0.000000] Command line: root=LABEL=cloudimg-rootfs ro console=hvc0 
[    0.000000] KERNEL supported cpus:
[    0.000000]   Intel GenuineIntel
[    0.000000]   AMD AuthenticAMD
[    0.000000]   Centaur CentaurHauls
[    0.000000] ACPI in unprivileged domain disabled
[    0.000000] released 0 pages of unused memory
[    0.000000] Set 0 page(s) to 1-1 mapping.
[    0.000000] BIOS-provided physical RAM map:
[    0.000000]  Xen: 0000000000000000 - 00000000000a0000 (usable)
[    0.000000]  Xen: 00000000000a0000 - 0000000000100000 (reserved)
[    0.000000]  Xen: 0000000000100000 - 00000001e0000000 (usable)
[    0.000000] NX (Execute Disable) protection: active
[    0.000000] DMI not present or invalid.
[    0.000000] No AGP bridge found
[    0.000000] last_pfn = 0x1e0000 max_arch_pfn = 0x400000000
[    0.000000] last_pfn = 0x100000 max_arch_pfn = 0x400000000
[    0.000000] init_memory_mapping: 0000000000000000-0000000100000000
[    0.000000] init_memory_mapping: 0000000100000000-00000001e0000000
[    0.000000] RAMDISK: 02049000 - 02b9f000
[    0.000000] No NUMA configuration found
[    0.000000] Faking a node at 0000000000000000-00000001e0000000
[    0.000000] Initmem setup node 0 0000000000000000-00000001e0000000
[    0.000000]   NODE_DATA [00000001dfffb000 - 00000001dfffffff]
[    0.000000] Zone PFN ranges:
[    0.000000]   DMA      0x00000010 -> 0x00001000
[    0.000000]   DMA32    0x00001000 -> 0x00100000
[    0.000000]   Normal   0x00100000 -> 0x001e0000
[    0.000000] Movable zone start PFN for each node
[    0.000000] early_node_map[2] active PFN ranges
[    0.000000]     0: 0x00000010 -> 0x000000a0
[    0.000000]     0: 0x00000100 -> 0x001e0000
[    0.000000] SFI: Simple Firmware Interface v0.81 http://simplefirmware.org
[    0.000000] SMP: Allowing 2 CPUs, 0 hotplug CPUs
[    0.000000] No local APIC present
[    0.000000] APIC: disable apic facility
[    0.000000] APIC: switched to apic NOOP
[    0.000000] PM: Registered nosave memory: 00000000000a0000 - 0000000000100000
[    0.000000] PCI: Warning: Cannot find a gap in the 32bit address range
[    0.000000] PCI: Unassigned devices with 32bit resource registers may break!
[    0.000000] Allocating PCI resources starting at 1e0100000 (gap: 1e0100000:400000)
[    0.000000] Booting paravirtualized kernel on Xen
[    0.000000] Xen version: 3.0.3-rc5-8.1.14.f
[    0.000000] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:1
[    0.000000] PERCPU: Embedded 27 pages/cpu @ffff8801dff75000 s81024 r8192 d21376 u110592
[    0.000000] Built 1 zonelists in Node order, mobility grouping on.  Total pages: 1935243
[    0.000000] Policy zone: Normal
[    0.000000] Kernel command line: root=LABEL=cloudimg-rootfs ro console=hvc0 
[    0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
[    0.000000] Checking aperture...
[    0.000000] No AGP bridge found
[    0.000000] Memory: 7616260k/7864320k available (6342k kernel code, 448k absent, 247612k reserved, 6816k data, 900k init)
[    0.000000] SLUB: Genslabs=15, HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
[    0.000000] Hierarchical RCU implementation.
[    0.000000] 	RCU dyntick-idle grace-period acceleration is enabled.
[    0.000000] NR_IRQS:4352 nr_irqs:288 16
[    0.000000] Console: colour dummy device 80x25
[    0.000000] console [tty0] enabled
[    0.000000] console [hvc0] enabled
[    0.000000] allocated 62914560 bytes of page_cgroup
[    0.000000] please try 'cgroup_disable=memory' option if you don't want memory cgroups
[    0.000000] installing Xen timer for CPU 0
[    0.000000] Detected 2666.760 MHz processor.
[    0.004000] Calibrating delay loop (skipped), value calculated using timer frequency.. 5333.52 BogoMIPS (lpj=10667040)
[    0.004000] pid_max: default: 32768 minimum: 301
[    0.004000] Security Framework initialized
[    0.004000] AppArmor: AppArmor initialized
[    0.004000] Yama: becoming mindful.
[    0.004000] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes)
[    0.008948] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes)
[    0.010618] Mount-cache hash table entries: 256
[    0.010816] Initializing cgroup subsys cpuacct
[    0.010826] Initializing cgroup subsys memory
[    0.010842] Initializing cgroup subsys devices
[    0.010849] Initializing cgroup subsys freezer
[    0.010854] Initializing cgroup subsys net_cls
[    0.010859] Initializing cgroup subsys blkio
[    0.010873] Initializing cgroup subsys perf_event
[    0.010939] CPU: Physical Processor ID: 0
[    0.010944] CPU: Processor Core ID: 0
[    0.010950] using mwait in idle threads.
[    0.010994] SMP alternatives: switching to UP code
[    0.049549] ftrace: allocating 26359 entries in 104 pages
[    0.052071] cpu 0 spinlock event irq 17
[    0.052104] Performance Events: PEBS fmt0+, Core2 events, 
[    0.052116] no APIC, boot with the "lapic" boot parameter to force-enable it.
[    0.052122] no hardware sampling interrupt available.
[    0.052141] Broken PMU hardware detected, using software events only.
[    0.052706] installing Xen timer for CPU 1
[    0.052724] cpu 1 spinlock event irq 23
[    0.052753] SMP alternatives: switching to SMP code
[    0.090848] Brought up 2 CPUs
[    0.090847] invalid opcode: 0000 [#1] SMP 
[    0.090927] CPU 1 
[    0.090927] Modules linked in:
[    0.090927] 
[    0.090927] Pid: 0, comm: swapper Not tainted 3.1.0-1-virtual #1-Ubuntu  
[    0.090927] RIP: e030:[<ffffffff8101b68c>]  [<ffffffff8101b68c>] mwait_idle+0x6c/0x160
[    0.090927] RSP: e02b:ffff8801d28dbef0  EFLAGS: 00010046
[    0.090927] RAX: ffff8801d28da010 RBX: ffff8801d28dbfd8 RCX: 0000000000000000
[    0.090927] RDX: 0000000000000000 RSI: ffff8801d28dbfd8 RDI: ffffffff81dcae48
[    0.090927] RBP: ffff8801d28dbf10 R08: 0000000000000000 R09: 0000000000000001
[    0.090927] R10: 0000000000000001 R11: 0000000000000001 R12: ffffffff81cd3240
[    0.090927] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000
[    0.090927] FS:  0000000000000000(0000) GS:ffff8801dff90000(0000) knlGS:0000000000000000
[    0.090927] CS:  e033 DS: 002b ES: 002b CR0: 000000008005003b
[    0.090927] CR2: 0000000000000000 CR3: 0000000001c05000 CR4: 0000000000002660
[    0.090927] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    0.090927] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000000
[    0.090927] Process swapper (pid: 0, threadinfo ffff8801d28da000, task ffff8801d28cae00)
[    0.090927] Stack:
[    0.090927]  ffff8801d28dbfd8 ffffffff81cd3240 0000000000000000 0000000000000000
[    0.090927]  ffff8801d28dbf40 ffffffff8101222f 0000000000000001 5b11600dc9907035
[    0.090927]  0000000000000000 0000000000000000 ffff8801d28dbf50 ffffffff815ff207
[    0.090927] Call Trace:
[    0.090927]  [<ffffffff8101222f>] cpu_idle+0xcf/0x120
[    0.090927]  [<ffffffff815ff207>] cpu_bringup_and_idle+0xe/0x10
[    0.090927] Code: e8 39 a8 01 74 10 65 48 8b 04 25 88 c4 00 00 0f ae b8 38 e0 ff ff 31 d2 65 48 8b 34 25 88 c4 00 00 48 89 d1 48 8d 86 38 e0 ff ff <0f> 01 c8 0f ae f0 48 8b 86 38 e0 ff ff a8 08 0f 85 ba 00 00 00 
[    0.090927] RIP  [<ffffffff8101b68c>] mwait_idle+0x6c/0x160
[    0.090927]  RSP <ffff8801d28dbef0>
[    0.091174] invalid opcode: 0000 [#2] 
[    0.090927] ---[ end trace 93d72a36b9146f22 ]---
[    0.090927] Kernel panic - not syncing: Attempted to kill the idle task!
[    0.090927] Pid: 0, comm: swapper Tainted: G      D     3.1.0-1-virtual #1-Ubuntu
[    0.090927] Call Trace:
[    0.090927]  [<ffffffff8160d69c>] panic+0x91/0x19d
[    0.090927]  [<ffffffff8106828e>] do_exit+0x41e/0x420
[    0.090927]  [<ffffffff816258f0>] oops_end+0xb0/0xf0
[    0.090927]  [<ffffffff810167b8>] die+0x58/0x90
[    0.090927]  [<ffffffff81624fd4>] do_trap+0xc4/0x170
[    0.090927]  [<ffffffff81013ed5>] do_invalid_op+0x95/0xb0
[    0.090927]  [<ffffffff8101b68c>] ? mwait_idle+0x6c/0x160
[    0.090927]  [<ffffffff8103baf5>] ? pvclock_clocksource_read+0x55/0xf0
[    0.090927]  [<ffffffff8162e8eb>] invalid_op+0x1b/0x20
Xen Minimal OS!
  start_info: 0x1890000(VA)
    nr_pages: 0x1e0000
  shared_inf: 0x00fdf000(MA)
     pt_base: 0x1893000(VA)
nr_pt_frames: 0x11
    mfn_list: 0x990000(VA)
   mod_start: 0x0(VA)
     mod_len: 0
       flags: 0x0
    cmd_line:  root=/dev/sda1 ro 4
  stack:      0x94f860-0x96f860
MM: Init
      _text: 0x0(VA)
     _etext: 0x6000d(VA)
   _erodata: 0x78000(VA)
     _edata: 0x80b00(VA)
stack start: 0x94f860(VA)
       _end: 0x98fe68(VA)
  start_pfn: 18a7
    max_pfn: 1e0000
Mapping memory range 0x1c00000 - 0x1e0000000
setting 0x0-0x78000 readonly
skipped 0x1000
MM: Initialise page allocator for 27a0000(27a0000)-1e0000000(1e0000000)
MM: done
Demand map pfns at 1e0001000-21e0001000.
Heap resides at 21e0002000-41e0002000.
Initialising timer interface
Initialising console ... done.
gnttab_table mapped at 0x1e0001000.
Initialising scheduler
Thread "Idle": pointer: 0x21e0002010, stack: 0x36f0000
Initialising xenbus
Thread "xenstore": pointer: 0x21e00027c0, stack: 0x3700000
Dummy main: start_info=0x96f960
Thread "main": pointer: 0x21e0002f70, stack: 0x3710000
"main" "root=/dev/sda1" "ro" "4" 
vbd 2049 is hd0
******************* BLKFRONT for device/vbd/2049 **********


backend at /local/domain/0/backend/vbd/273/2049
Failed to read /local/domain/0/backend/vbd/273/2049/feature-barrier.
Failed to read /local/domain/0/backend/vbd/273/2049/feature-flush-cache.
16777216 sectors of 512 bytes
**************************
vbd 2064 is hd1
******************* BLKFRONT for device/vbd/2064 **********


backend at /local/domain/0/backend/vbd/273/2064
Failed to read /local/domain/0/backend/vbd/273/2064/feature-barrier.
Failed to read /local/domain/0/backend/vbd/273/2064/feature-flush-cache.
880732160 sectors of 512 bytes
**************************
vbd 2080 is hd2
******************* BLKFRONT for device/vbd/2080 **********


backend at /local/domain/0/backend/vbd/273/2080
Failed to read /local/domain/0/backend/vbd/273/2080/feature-barrier.
Failed to read /local/domain/0/backend/vbd/273/2080/feature-flush-cache.
880732160 sectors of 512 bytes
**************************
  Booting 'Ubuntu precise (development branch), kernel 3.1.0-1-virtual'



root  (hd0)

 Filesystem type is ext2fs, using whole disk

kernel  /boot/vmlinuz-3.1.0-1-virtual root=LABEL=cloudimg-rootfs ro console=hvc

0 

initrd  /boot/initrd.img-3.1.0-1-virtual



close blk: backend at /local/domain/0/backend/vbd/273/2049
close blk: backend at /local/domain/0/backend/vbd/273/2064
close blk: backend at /local/domain/0/backend/vbd/273/2080
[    0.000000] Initializing cgroup subsys cpuset
[    0.000000] Initializing cgroup subsys cpu
[    0.000000] Linux version 3.1.0-1-virtual (buildd@yellow) (gcc version 4.6.1 (Ubuntu/Linaro 4.6.1-15ubuntu1) ) #1-Ubuntu SMP Tue Oct 18 22:17:51 UTC 2011 (Ubuntu 3.1.0-1.1-virtual 3.1.0-rc10)
[    0.000000] Command line: root=LABEL=cloudimg-rootfs ro console=hvc0 
[    0.000000] KERNEL supported cpus:
[    0.000000]   Intel GenuineIntel
[    0.000000]   AMD AuthenticAMD
[    0.000000]   Centaur CentaurHauls
[    0.000000] ACPI in unprivileged domain disabled
[    0.000000] released 0 pages of unused memory
[    0.000000] Set 0 page(s) to 1-1 mapping.
[    0.000000] BIOS-provided physical RAM map:
[    0.000000]  Xen: 0000000000000000 - 00000000000a0000 (usable)
[    0.000000]  Xen: 00000000000a0000 - 0000000000100000 (reserved)
[    0.000000]  Xen: 0000000000100000 - 00000001e0000000 (usable)
[    0.000000] NX (Execute Disable) protection: active
[    0.000000] DMI not present or invalid.
[    0.000000] No AGP bridge found
[    0.000000] last_pfn = 0x1e0000 max_arch_pfn = 0x400000000
[    0.000000] last_pfn = 0x100000 max_arch_pfn = 0x400000000
[    0.000000] init_memory_mapping: 0000000000000000-0000000100000000
[    0.000000] init_memory_mapping: 0000000100000000-00000001e0000000
[    0.000000] RAMDISK: 02049000 - 02b9f000
[    0.000000] No NUMA configuration found
[    0.000000] Faking a node at 0000000000000000-00000001e0000000
[    0.000000] Initmem setup node 0 0000000000000000-00000001e0000000
[    0.000000]   NODE_DATA [00000001dfffb000 - 00000001dfffffff]
[    0.000000] Zone PFN ranges:
[    0.000000]   DMA      0x00000010 -> 0x00001000
[    0.000000]   DMA32    0x00001000 -> 0x00100000
[    0.000000]   Normal   0x00100000 -> 0x001e0000
[    0.000000] Movable zone start PFN for each node
[    0.000000] early_node_map[2] active PFN ranges
[    0.000000]     0: 0x00000010 -> 0x000000a0
[    0.000000]     0: 0x00000100 -> 0x001e0000
[    0.000000] SFI: Simple Firmware Interface v0.81 http://simplefirmware.org
[    0.000000] SMP: Allowing 2 CPUs, 0 hotplug CPUs
[    0.000000] No local APIC present
[    0.000000] APIC: disable apic facility
[    0.000000] APIC: switched to apic NOOP
[    0.000000] PM: Registered nosave memory: 00000000000a0000 - 0000000000100000
[    0.000000] PCI: Warning: Cannot find a gap in the 32bit address range
[    0.000000] PCI: Unassigned devices with 32bit resource registers may break!
[    0.000000] Allocating PCI resources starting at 1e0100000 (gap: 1e0100000:400000)
[    0.000000] Booting paravirtualized kernel on Xen
[    0.000000] Xen version: 3.0.3-rc5-8.1.14.f
[    0.000000] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:1
[    0.000000] PERCPU: Embedded 27 pages/cpu @ffff8801dff75000 s81024 r8192 d21376 u110592
[    0.000000] Built 1 zonelists in Node order, mobility grouping on.  Total pages: 1935243
[    0.000000] Policy zone: Normal
[    0.000000] Kernel command line: root=LABEL=cloudimg-rootfs ro console=hvc0 
[    0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
[    0.000000] Checking aperture...
[    0.000000] No AGP bridge found
[    0.000000] Memory: 7616260k/7864320k available (6342k kernel code, 448k absent, 247612k reserved, 6816k data, 900k init)
[    0.000000] SLUB: Genslabs=15, HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
[    0.000000] Hierarchical RCU implementation.
[    0.000000] 	RCU dyntick-idle grace-period acceleration is enabled.
[    0.000000] NR_IRQS:4352 nr_irqs:288 16
[    0.000000] Console: colour dummy device 80x25
[    0.000000] console [tty0] enabled
[    0.000000] console [hvc0] enabled
[    0.000000] allocated 62914560 bytes of page_cgroup
[    0.000000] please try 'cgroup_disable=memory' option if you don't want memory cgroups
[    0.000000] installing Xen timer for CPU 0
[    0.000000] Detected 2666.760 MHz processor.
[    0.004000] Calibrating delay loop (skipped), value calculated using timer frequency.. 5333.52 BogoMIPS (lpj=10667040)
[    0.004000] pid_max: default: 32768 minimum: 301
[    0.004000] Security Framework initialized
[    0.004000] AppArmor: AppArmor initialized
[    0.004000] Yama: becoming mindful.
[    0.004000] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes)
[    0.007565] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes)
[    0.009533] Mount-cache hash table entries: 256
[    0.009756] Initializing cgroup subsys cpuacct
[    0.009771] Initializing cgroup subsys memory
[    0.009787] Initializing cgroup subsys devices
[    0.009794] Initializing cgroup subsys freezer
[    0.009799] Initializing cgroup subsys net_cls
[    0.009804] Initializing cgroup subsys blkio
[    0.009818] Initializing cgroup subsys perf_event
[    0.009895] CPU: Physical Processor ID: 0
[    0.009901] CPU: Processor Core ID: 0
[    0.009906] using mwait in idle threads.
[    0.009955] SMP alternatives: switching to UP code
[    0.052711] ftrace: allocating 26359 entries in 104 pages
[    0.056073] cpu 0 spinlock event irq 17
[    0.056107] Performance Events: PEBS fmt0+, Core2 events, 
[    0.056119] no APIC, boot with the "lapic" boot parameter to force-enable it.
[    0.056125] no hardware sampling interrupt available.
[    0.056145] Broken PMU hardware detected, using software events only.
[    0.056729] installing Xen timer for CPU 1
[    0.056745] cpu 1 spinlock event irq 23
[    0.056777] SMP alternatives: switching to SMP code
[    0.095110] Brought up 2 CPUs
[    0.095109] invalid opcode: 0000 [#1] SMP 
[    0.095189] CPU 1 
[    0.095189] Modules linked in:
[    0.095189] 
[    0.095189] Pid: 0, comm: swapper Not tainted 3.1.0-1-virtual #1-Ubuntu  
[    0.095189] RIP: e030:[<ffffffff8101b68c>]  [<ffffffff8101b68c>] mwait_idle+0x6c/0x160
[    0.095189] RSP: e02b:ffff8801d28dbef0  EFLAGS: 00010046
[    0.095189] RAX: ffff8801d28da010 RBX: ffff8801d28dbfd8 RCX: 0000000000000000
[    0.095189] RDX: 0000000000000000 RSI: ffff8801d28dbfd8 RDI: ffffffff81dcae48
[    0.095189] RBP: ffff8801d28dbf10 R08: 0000000000000000 R09: 0000000000000001
[    0.095189] R10: 0000000000000001 R11: 0000000000000001 R12: ffffffff81cd3240
[    0.095189] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000
[    0.095189] FS:  0000000000000000(0000) GS:ffff8801dff90000(0000) knlGS:0000000000000000
[    0.095189] CS:  e033 DS: 002b ES: 002b CR0: 000000008005003b
[    0.095189] CR2: 0000000000000000 CR3: 0000000001c05000 CR4: 0000000000002660
[    0.095189] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    0.095189] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000000
[    0.095189] Process swapper (pid: 0, threadinfo ffff8801d28da000, task ffff8801d28cae00)
[    0.095189] Stack:
[    0.095189]  ffff8801d28dbfd8 ffffffff81cd3240 0000000000000000 0000000000000000
[    0.095189]  ffff8801d28dbf40 ffffffff8101222f 0000000000000001 7c701f3eeaef2f5d
[    0.095189]  0000000000000000 0000000000000000 ffff8801d28dbf50 ffffffff815ff207
[    0.095189] Call Trace:
[    0.095189]  [<ffffffff8101222f>] cpu_idle+0xcf/0x120
[    0.095189]  [<ffffffff815ff207>] cpu_bringup_and_idle+0xe/0x10
[    0.095189] Code: e8 39 a8 01 74 10 65 48 8b 04 25 88 c4 00 00 0f ae b8 38 e0 ff ff 31 d2 65 48 8b 34 25 88 c4 00 00 48 89 d1 48 8d 86 38 e0 ff ff <0f> 01 c8 0f ae f0 48 8b 86 38 e0 ff ff a8 08 0f 85 ba 00 00 00 
[    0.095189] RIP  [<ffffffff8101b68c>] mwait_idle+0x6c/0x160
[    0.095189]  RSP <ffff8801d28dbef0>
[    0.095189] ---[ end trace 93d72a36b9146f22 ]---
[    0.095447] invalid opcode: 0000 [#2] SMP 
[    0.095459] CPU 0 
[    0.095460] Modules linked in:
[    0.095463] 
[    0.095465] Pid: 0, comm: swapper Tainted: G      D     3.1.0-1-virtual #1-Ubuntu  
[    0.095483] RIP: e030:[<ffffffff8101b68c>]  [<ffffffff8101b68c>] mwait_idle+0x6c/0x160
[    0.095500] RSP: e02b:ffffffff81c01ef8  EFLAGS: 00010046
[    0.095502] RAX: ffffffff81c00010 RBX: ffffffff81c01fd8 RCX: 0000000000000000
[    0.095504] RDX: 0000000000000000 RSI: ffffffff81c01fd8 RDI: ffffffff81dcae48
[    0.095513] RBP: ffffffff81c01f18 R08: 0000000000000000 R09: 0000000000000001
[    0.095515] R10: 00000000be14721b R11: 0000000048992029 R12: ffffffff81cd3240
[    0.095517] R13: 0000000000000000 R14: ffffffffffffffff R15: 0000000000b55c00
[    0.095521] FS:  0000000000000000(0000) GS:ffff8801dff75000(0000) knlGS:0000000000000000
[    0.095523] CS:  e033 DS: 0000 ES: 0000 CR0: 000000008005003b
[    0.095526] CR2: 00000021e39c0000 CR3: 0000000001c05000 CR4: 00000000000Xen Minimal OS!
  start_info: 0x1890000(VA)
    nr_pages: 0x1e0000
  shared_inf: 0x00fdf000(MA)
     pt_base: 0x1893000(VA)
nr_pt_frames: 0x11
    mfn_list: 0x990000(VA)
   mod_start: 0x0(VA)
     mod_len: 0
       flags: 0x0
    cmd_line:  root=/dev/sda1 ro 4
  stack:      0x94f860-0x96f860
MM: Init
      _text: 0x0(VA)
     _etext: 0x6000d(VA)
   _erodata: 0x78000(VA)
     _edata: 0x80b00(VA)
stack start: 0x94f860(VA)
       _end: 0x98fe68(VA)
  start_pfn: 18a7
    max_pfn: 1e0000
Mapping memory range 0x1c00000 - 0x1e0000000
setting 0x0-0x78000 readonly
skipped 0x1000
MM: Initialise page allocator for 27a0000(27a0000)-1e0000000(1e0000000)
MM: done
Demand map pfns at 1e0001000-21e0001000.
Heap resides at 21e0002000-41e0002000.
Initialising timer interface
Initialising console ... done.
gnttab_table mapped at 0x1e0001000.
Initialising scheduler
Thread "Idle": pointer: 0x21e0002010, stack: 0x36f0000
Initialising xenbus
Thread "xenstore": pointer: 0x21e00027c0, stack: 0x3700000
Dummy main: start_info=0x96f960
Thread "main": pointer: 0x21e0002f70, stack: 0x3710000
"main" "root=/dev/sda1" "ro" "4" 
vbd 2049 is hd0
******************* BLKFRONT for device/vbd/2049 **********


backend at /local/domain/0/backend/vbd/290/2049
Failed to read /local/domain/0/backend/vbd/290/2049/feature-barrier.
Failed to read /local/domain/0/backend/vbd/290/2049/feature-flush-cache.
16777216 sectors of 512 bytes
**************************
vbd 2064 is hd1
******************* BLKFRONT for device/vbd/2064 **********


backend at /local/domain/0/backend/vbd/290/2064
Failed to read /local/domain/0/backend/vbd/290/2064/feature-barrier.
Failed to read /local/domain/0/backend/vbd/290/2064/feature-flush-cache.
880732160 sectors of 512 bytes
**************************
vbd 2080 is hd2
******************* BLKFRONT for device/vbd/2080 **********


backend at /local/domain/0/backend/vbd/290/2080
Failed to read /local/domain/0/backend/vbd/290/2080/feature-barrier.
Failed to read /local/domain/0/backend/vbd/290/2080/feature-flush-cache.
880732160 sectors of 512 bytes
**************************
  Booting 'Ubuntu precise (development branch), kernel 3.1.0-1-virtual'



root  (hd0)

 Filesystem type is ext2fs, using whole disk

kernel  /boot/vmlinuz-3.1.0-1-virtual root=LABEL=cloudimg-rootfs ro console=hvc

0 

initrd  /boot/initrd.img-3.1.0-1-virtual



close blk: backend at /local/domain/0/backend/vbd/290/2049
close blk: backend at /local/domain/0/backend/vbd/290/2064
close blk: backend at /local/domain/0/backend/vbd/290/2080
[    0.000000] Initializing cgroup subsys cpuset
[    0.000000] Initializing cgroup subsys cpu
[    0.000000] Linux version 3.1.0-1-virtual (buildd@yellow) (gcc version 4.6.1 (Ubuntu/Linaro 4.6.1-15ubuntu1) ) #1-Ubuntu SMP Tue Oct 18 22:17:51 UTC 2011 (Ubuntu 3.1.0-1.1-virtual 3.1.0-rc10)
[    0.000000] Command line: root=LABEL=cloudimg-rootfs ro console=hvc0 
[    0.000000] KERNEL supported cpus:
[    0.000000]   Intel GenuineIntel
[    0.000000]   AMD AuthenticAMD
[    0.000000]   Centaur CentaurHauls
[    0.000000] ACPI in unprivileged domain disabled
[    0.000000] released 0 pages of unused memory
[    0.000000] Set 0 page(s) to 1-1 mapping.
[    0.000000] BIOS-provided physical RAM map:
[    0.000000]  Xen: 0000000000000000 - 00000000000a0000 (usable)
[    0.000000]  Xen: 00000000000a0000 - 0000000000100000 (reserved)
[    0.000000]  Xen: 0000000000100000 - 00000001e0000000 (usable)
[    0.000000] NX (Execute Disable) protection: active
[    0.000000] DMI not present or invalid.
[    0.000000] No AGP bridge found
[    0.000000] last_pfn = 0x1e0000 max_arch_pfn = 0x400000000
[    0.000000] last_pfn = 0x100000 max_arch_pfn = 0x400000000
[    0.000000] init_memory_mapping: 0000000000000000-0000000100000000
[    0.000000] init_memory_mapping: 0000000100000000-00000001e0000000
[    0.000000] RAMDISK: 02049000 - 02b9f000
[    0.000000] No NUMA configuration found
[    0.000000] Faking a node at 0000000000000000-00000001e0000000
[    0.000000] Initmem setup node 0 0000000000000000-00000001e0000000
[    0.000000]   NODE_DATA [00000001dfffb000 - 00000001dfffffff]
[    0.000000] Zone PFN ranges:
[    0.000000]   DMA      0x00000010 -> 0x00001000
[    0.000000]   DMA32    0x00001000 -> 0x00100000
[    0.000000]   Normal   0x00100000 -> 0x001e0000
[    0.000000] Movable zone start PFN for each node
[    0.000000] early_node_map[2] active PFN ranges
[    0.000000]     0: 0x00000010 -> 0x000000a0
[    0.000000]     0: 0x00000100 -> 0x001e0000
[    0.000000] SFI: Simple Firmware Interface v0.81 http://simplefirmware.org
[    0.000000] SMP: Allowing 2 CPUs, 0 hotplug CPUs
[    0.000000] No local APIC present
[    0.000000] APIC: disable apic facility
[    0.000000] APIC: switched to apic NOOP
[    0.000000] PM: Registered nosave memory: 00000000000a0000 - 0000000000100000
[    0.000000] PCI: Warning: Cannot find a gap in the 32bit address range
[    0.000000] PCI: Unassigned devices with 32bit resource registers may break!
[    0.000000] Allocating PCI resources starting at 1e0100000 (gap: 1e0100000:400000)
[    0.000000] Booting paravirtualized kernel on Xen
[    0.000000] Xen version: 3.0.3-rc5-8.1.14.f
[    0.000000] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:1
[    0.000000] PERCPU: Embedded 27 pages/cpu @ffff8801dff75000 s81024 r8192 d21376 u110592
[    0.000000] Built 1 zonelists in Node order, mobility grouping on.  Total pages: 1935243
[    0.000000] Policy zone: Normal
[    0.000000] Kernel command line: root=LABEL=cloudimg-rootfs ro console=hvc0 
[    0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
[    0.000000] Checking aperture...
[    0.000000] No AGP bridge found
[    0.000000] Memory: 7616260k/7864320k available (6342k kernel code, 448k absent, 247612k reserved, 6816k data, 900k init)
[    0.000000] SLUB: Genslabs=15, HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
[    0.000000] Hierarchical RCU implementation.
[    0.000000] 	RCU dyntick-idle grace-period acceleration is enabled.
[    0.000000] NR_IRQS:4352 nr_irqs:288 16
[    0.000000] Console: colour dummy device 80x25
[    0.000000] console [tty0] enabled
[    0.000000] console [hvc0] enabled
[    0.000000] allocated 62914560 bytes of page_cgroup
[    0.000000] please try 'cgroup_disable=memory' option if you don't want memory cgroups
[    0.000000] installing Xen timer for CPU 0
[    0.000000] Detected 2666.762 MHz processor.
[    0.004000] Calibrating delay loop (skipped), value calculated using timer frequency.. 5333.52 BogoMIPS (lpj=10667048)
[    0.004000] pid_max: default: 32768 minimum: 301
[    0.004000] Security Framework initialized
[    0.004000] AppArmor: AppArmor initialized
[    0.004000] Yama: becoming mindful.
[    0.004000] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes)
[    0.008454] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes)
[    0.010159] Mount-cache hash table entries: 256
[    0.010365] Initializing cgroup subsys cpuacct
[    0.010377] Initializing cgroup subsys memory
[    0.010393] Initializing cgroup subsys devices
[    0.010400] Initializing cgroup subsys freezer
[    0.010405] Initializing cgroup subsys net_cls
[    0.010410] Initializing cgroup subsys blkio
[    0.010424] Initializing cgroup subsys perf_event
[    0.010492] CPU: Physical Processor ID: 0
[    0.010497] CPU: Processor Core ID: 0
[    0.010502] using mwait in idle threads.
[    0.010547] SMP alternatives: switching to UP code
[    0.052523] ftrace: allocating 26359 entries in 104 pages
[    0.056079] cpu 0 spinlock event irq 17
[    0.056106] Performance Events: PEBS fmt0+, Core2 events, 
[    0.056118] no APIC, boot with the "lapic" boot parameter to force-enable it.
[    0.056125] no hardware sampling interrupt available.
[    0.056144] Broken PMU hardware detected, using software events only.
[    0.056714] installing Xen timer for CPU 1
[    0.056727] cpu 1 spinlock event irq 23
[    0.056756] SMP alternatives: switching to SMP code
[    0.097470] Brought up 2 CPUs
[    0.097463] invalid opcode: 0000 [#1] SMP 
[    0.097463] CPU 1 
[    0.097463] Modules linked in:
[    0.097463] 
[    0.097463] Pid: 0, comm: swapper Not tainted 3.1.0-1-virtual #1-Ubuntu  
[    0.097463] RIP: e030:[<ffffffff8101b68c>]  [<ffffffff8101b68c>] mwait_idle+0x6c/0x160
[    0.097463] RSP: e02b:ffff8801d28dbef0  EFLAGS: 00010046
[    0.097463] RAX: ffff8801d28da010 RBX: ffff8801d28dbfd8 RCX: 0000000000000000
[    0.097463] RDX: 0000000000000000 RSI: ffff8801d28dbfd8 RDI: ffffffff81dcae48
[    0.097463] RBP: ffff8801d28dbf10 R08: 0000000000000000 R09: 0000000000000001
[    0.097463] R10: 0000000000000400 R11: 0000000000000001 R12: ffffffff81cd3240
[    0.097463] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000
[    0.097605] FS:  0000000000000000(0000) GS:ffff8801dff90000(0000) knlGS:0000000000000000
[    0.097605] CS:  e033 DS: 002b ES: 002b CR0: 000000008005003b
[    0.097605] CR2: 0000000000000000 CR3: 0000000001c05000 CR4: 0000000000002660
[    0.097605] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    0.097605] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000000
[    0.097605] Process swapper (pid: 0, threadinfo ffff8801d28da000, task ffff8801d28cae00)
[    0.097605] Stack:
[    0.097605]  ffff8801d28dbfd8 ffffffff81cd3240 0000000000000000 0000000000000000
[    0.097605]  ffff8801d28dbf40 ffffffff8101222f 0000000000000001 7827dd70e6a6ece5
[    0.097605]  0000000000000000 0000000000000000 ffff8801d28dbf50 ffffffff815ff207
[    0.097605] Call Trace:
[    0.097605]  [<ffffffff8101222f>] cpu_idle+0xcf/0x120
[    0.097605]  [<ffffffff815ff207>] cpu_bringup_and_idle+0xe/0x10
[    0.097605] Code: e8 39 a8 01 74 10 65 48 8b 04 25 88 c4 00 00 0f ae b8 38 e0 ff ff 31 d2 65 48 8b 34 25 88 c4 00 00 48 89 d1 48 8d 86 38 e0 ff ff <0f> 01 c8 0f ae f0 48 8b 86 38 e0 ff ff a8 08 0f 85 ba 00 00 00 
[    0.097605] RIP  [<ffffffff8101b68c>] mwait_idle+0x6c/0x160
[    0.097605]  RSP <ffff8801d28dbef0>
[Xen Minimal OS!
  start_info: 0x1890000(VA)
    nr_pages: 0x1e0000
  shared_inf: 0x00fdf000(MA)
     pt_base: 0x1893000(VA)
nr_pt_frames: 0x11
    mfn_list: 0x990000(VA)
   mod_start: 0x0(VA)
     mod_len: 0
       flags: 0x0
    cmd_line:  root=/dev/sda1 ro 4
  stack:      0x94f860-0x96f860
MM: Init
      _text: 0x0(VA)
     _etext: 0x6000d(VA)
   _erodata: 0x78000(VA)
     _edata: 0x80b00(VA)
stack start: 0x94f860(VA)
       _end: 0x98fe68(VA)
  start_pfn: 18a7
    max_pfn: 1e0000
Mapping memory range 0x1c00000 - 0x1e0000000
setting 0x0-0x78000 readonly
skipped 0x1000
MM: Initialise page allocator for 27a0000(27a0000)-1e0000000(1e0000000)
MM: done
Demand map pfns at 1e0001000-21e0001000.
Heap resides at 21e0002000-41e0002000.
Initialising timer interface
Initialising console ... done.
gnttab_table mapped at 0x1e0001000.
Initialising scheduler
Thread "Idle": pointer: 0x21e0002010, stack: 0x36f0000
Initialising xenbus
Thread "xenstore": pointer: 0x21e00027c0, stack: 0x3700000
Dummy main: start_info=0x96f960
Thread "main": pointer: 0x21e0002f70, stack: 0x3710000
"main" "root=/dev/sda1" "ro" "4" 
vbd 2049 is hd0
******************* BLKFRONT for device/vbd/2049 **********


backend at /local/domain/0/backend/vbd/293/2049
Failed to read /local/domain/0/backend/vbd/293/2049/feature-barrier.
Failed to read /local/domain/0/backend/vbd/293/2049/feature-flush-cache.
16777216 sectors of 512 bytes
**************************
vbd 2064 is hd1
******************* BLKFRONT for device/vbd/2064 **********


backend at /local/domain/0/backend/vbd/293/2064
Failed to read /local/domain/0/backend/vbd/293/2064/feature-barrier.
Failed to read /local/domain/0/backend/vbd/293/2064/feature-flush-cache.
880732160 sectors of 512 bytes
**************************
vbd 2080 is hd2
******************* BLKFRONT for device/vbd/2080 **********


backend at /local/domain/0/backend/vbd/293/2080
Failed to read /local/domain/0/backend/vbd/293/2080/feature-barrier.
Failed to read /local/domain/0/backend/vbd/293/2080/feature-flush-cache.
880732160 sectors of 512 bytes
**************************
  Booting 'Ubuntu precise (development branch), kernel 3.1.0-1-virtual'



root  (hd0)

 Filesystem type is ext2fs, using whole disk

kernel  /boot/vmlinuz-3.1.0-1-virtual root=LABEL=cloudimg-rootfs ro console=hvc

0 

initrd  /boot/initrd.img-3.1.0-1-virtual



close blk: backend at /local/domain/0/backend/vbd/293/2049
close blk: backend at /local/domain/0/backend/vbd/293/2064
close blk: backend at /local/domain/0/backend/vbd/293/2080
[    0.000000] Initializing cgroup subsys cpuset
[    0.000000] Initializing cgroup subsys cpu
[    0.000000] Linux version 3.1.0-1-virtual (buildd@yellow) (gcc version 4.6.1 (Ubuntu/Linaro 4.6.1-15ubuntu1) ) #1-Ubuntu SMP Tue Oct 18 22:17:51 UTC 2011 (Ubuntu 3.1.0-1.1-virtual 3.1.0-rc10)
[    0.000000] Command line: root=LABEL=cloudimg-rootfs ro console=hvc0 
[    0.000000] KERNEL supported cpus:
[    0.000000]   Intel GenuineIntel
[    0.000000]   AMD AuthenticAMD
[    0.000000]   Centaur CentaurHauls
[    0.000000] ACPI in unprivileged domain disabled
[    0.000000] released 0 pages of unused memory
[    0.000000] Set 0 page(s) to 1-1 mapping.
[    0.000000] BIOS-provided physical RAM map:
[    0.000000]  Xen: 0000000000000000 - 00000000000a0000 (usable)
[    0.000000]  Xen: 00000000000a0000 - 0000000000100000 (reserved)
[    0.000000]  Xen: 0000000000100000 - 00000001e0000000 (usable)
[    0.000000] NX (Execute Disable) protection: active
[    0.000000] DMI not present or invalid.
[    0.000000] No AGP bridge found
[    0.000000] last_pfn = 0x1e0000 max_arch_pfn = 0x400000000
[    0.000000] last_pfn = 0x100000 max_arch_pfn = 0x400000000
[    0.000000] init_memory_mapping: 0000000000000000-0000000100000000
[    0.000000] init_memory_mapping: 0000000100000000-00000001e0000000
[    0.000000] RAMDISK: 02049000 - 02b9f000
[    0.000000] No NUMA configuration found
[    0.000000] Faking a node at 0000000000000000-00000001e0000000
[    0.000000] Initmem setup node 0 0000000000000000-00000001e0000000
[    0.000000]   NODE_DATA [00000001dfffb000 - 00000001dfffffff]
[    0.000000] Zone PFN ranges:
[    0.000000]   DMA      0x00000010 -> 0x00001000
[    0.000000]   DMA32    0x00001000 -> 0x00100000
[    0.000000]   Normal   0x00100000 -> 0x001e0000
[    0.000000] Movable zone start PFN for each node
[    0.000000] early_node_map[2] active PFN ranges
[    0.000000]     0: 0x00000010 -> 0x000000a0
[    0.000000]     0: 0x00000100 -> 0x001e0000
[    0.000000] SFI: Simple Firmware Interface v0.81 http://simplefirmware.org
[    0.000000] SMP: Allowing 2 CPUs, 0 hotplug CPUs
[    0.000000] No local APIC present
[    0.000000] APIC: disable apic facility
[    0.000000] APIC: switched to apic NOOP
[    0.000000] PM: Registered nosave memory: 00000000000a0000 - 0000000000100000
[    0.000000] PCI: Warning: Cannot find a gap in the 32bit address range
[    0.000000] PCI: Unassigned devices with 32bit resource registers may break!
[    0.000000] Allocating PCI resources starting at 1e0100000 (gap: 1e0100000:400000)
[    0.000000] Booting paravirtualized kernel on Xen
[    0.000000] Xen version: 3.0.3-rc5-8.1.14.f
[    0.000000] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:1
[    0.000000] PERCPU: Embedded 27 pages/cpu @ffff8801dff75000 s81024 r8192 d21376 u110592
[    0.000000] Built 1 zonelists in Node order, mobility grouping on.  Total pages: 1935243
[    0.000000] Policy zone: Normal
[    0.000000] Kernel command line: root=LABEL=cloudimg-rootfs ro console=hvc0 
[    0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
[    0.000000] Checking aperture...
[    0.000000] No AGP bridge found
[    0.000000] Memory: 7616260k/7864320k available (6342k kernel code, 448k absent, 247612k reserved, 6816k data, 900k init)
[    0.000000] SLUB: Genslabs=15, HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
[    0.000000] Hierarchical RCU implementation.
[    0.000000] 	RCU dyntick-idle grace-period acceleration is enabled.
[    0.000000] NR_IRQS:4352 nr_irqs:288 16
[    0.000000] Console: colour dummy device 80x25
[    0.000000] console [tty0] enabled
[    0.000000] console [hvc0] enabled
[    0.000000] allocated 62914560 bytes of page_cgroup
[    0.000000] please try 'cgroup_disable=memory' option if you don't want memory cgroups
[    0.000000] installing Xen timer for CPU 0
[    0.000000] Detected 2666.760 MHz processor.
[    0.004000] Calibrating delay loop (skipped), value calculated using timer frequency.. 5333.52 BogoMIPS (lpj=10667040)
[    0.004000] pid_max: default: 32768 minimum: 301
[    0.004000] Security Framework initialized
[    0.004000] AppArmor: AppArmor initialized
[    0.004000] Yama: becoming mindful.
[    0.006002] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes)
[    0.012459] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes)
[    0.014097] Mount-cache hash table entries: 256
[    0.014294] Initializing cgroup subsys cpuacct
[    0.014306] Initializing cgroup subsys memory
[    0.014322] Initializing cgroup subsys devices
[    0.014328] Initializing cgroup subsys freezer
[    0.014333] Initializing cgroup subsys net_cls
[    0.014338] Initializing cgroup subsys blkio
[    0.014351] Initializing cgroup subsys perf_event
[    0.014419] CPU: Physical Processor ID: 0
[    0.014424] CPU: Processor Core ID: 0
[    0.014429] using mwait in idle threads.
[    0.014473] SMP alternatives: switching to UP code
[    0.055972] ftrace: allocating 26359 entries in 104 pages
[    0.060072] cpu 0 spinlock event irq 17
[    0.060105] Performance Events: PEBS fmt0+, Core2 events, 
[    0.060117] no APIC, boot with the "lapic" boot parameter to force-enable it.
[    0.060123] no hardware sampling interrupt available.
[    0.060142] Broken PMU hardware detected, using software events only.
[    0.060706] installing Xen timer for CPU 1
[    0.060722] cpu 1 spinlock event irq 23
[    0.060752] SMP alternatives: switching to SMP code
[    0.098419] Brought up 2 CPUs
[    0.098418] invalid opcode: 0000 [#1] SMP 
[    0.098494] CPU 1 
[    0.098494] Modules linked in:
[    0.098494] 
[    0.098494] Pid: 0, comm: swapper Not tainted 3.1.0-1-virtual #1-Ubuntu  
[    0.098494] RIP: e030:[<ffffffff8101b68c>]  [<ffffffff8101b68c>] mwait_idle+0x6c/0x160
[    0.098494] RSP: e02b:ffff8801d28dbef0  EFLAGS: 00010046
[    0.098494] RAX: ffff8801d28da010 RBX: ffff8801d28dbfd8 RCX: 0000000000000000
[    0.098494] RDX: 0000000000000000 RSI: ffff8801d28dbfd8 RDI: ffffffff81dcae48
[    0.098494] RBP: ffff8801d28dbf10 R08: 0000000000000000 R09: 0000000000000001
[    0.098494] R10: 0000000000000001 R11: 0000000000000001 R12: ffffffff81cd3240
[    0.098494] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000
[    0.098494] FS:  0000000000000000(0000) GS:ffff8801dff90000(0000) knlGS:0000000000000000
[    0.098494] CS:  e033 DS: 002b ES: 002b CR0: 000000008005003b
[    0.098494] CR2: 0000000000000000 CR3: 0000000001c05000 CR4: 0000000000002660
[    0.098494] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    0.098494] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000000
[    0.098494] Process swapper (pid: 0, threadinfo ffff8801d28da000, task ffff8801d28cae00)
[    0.098494] Stack:
[    0.098494]  ffff8801d28dbfd8 ffffffff81cd3240 0000000000000000 0000000000000000
[    0.098494]  ffff8801d28dbf40 ffffffff8101222f 0000000000000001 ae71541d1cf06375
[    0.098494]  0000000000000000 0000000000000000 ffff8801d28dbf50 ffffffff815ff207
[    0.098494] Call Trace:
[    0.098494]  [<ffffffff8101222f>] cpu_idle+0xcf/0x120
[    0.098494]  [<ffffffff815ff207>] cpu_bringup_and_idle+0xe/0x10
[    0.098494] Code: e8 39 a8 01 74 10 65 48 8b 04 25 88 c4 00 00 0f ae b8 38 e0 ff ff 31 d2 65 48 8b 34 25 88 c4 00 00 48 89 d1 48 8d 86 38 e0 ff ff <0f> 01 c8 0f ae f0 48 8b 86 38 e0 ff ff a8 08 0f 85 ba 00 00 00 
[    0.098494] RIP  [<ffffffff8101b68c>] mwait_idle+0x6c/0x160
[    0.098494]  RSP <ffff8801d28dbef0>
[    0.098745] invalid opcode: 0000Xen Minimal OS!
  start_info: 0x1890000(VA)
    nr_pages: 0x1e0000
  shared_inf: 0x00fdf000(MA)
     pt_base: 0x1893000(VA)
nr_pt_frames: 0x11
    mfn_list: 0x990000(VA)
   mod_start: 0x0(VA)
     mod_len: 0
       flags: 0x0
    cmd_line:  root=/dev/sda1 ro 4
  stack:      0x94f860-0x96f860
MM: Init
      _text: 0x0(VA)
     _etext: 0x6000d(VA)
   _erodata: 0x78000(VA)
     _edata: 0x80b00(VA)
stack start: 0x94f860(VA)
       _end: 0x98fe68(VA)
  start_pfn: 18a7
    max_pfn: 1e0000
Mapping memory range 0x1c00000 - 0x1e0000000
setting 0x0-0x78000 readonly
skipped 0x1000
MM: Initialise page allocator for 27a0000(27a0000)-1e0000000(1e0000000)
MM: done
Demand map pfns at 1e0001000-21e0001000.
Heap resides at 21e0002000-41e0002000.
Initialising timer interface
Initialising console ... done.
gnttab_table mapped at 0x1e0001000.
Initialising scheduler
Thread "Idle": pointer: 0x21e0002010, stack: 0x36f0000
Initialising xenbus
Thread "xenstore": pointer: 0x21e00027c0, stack: 0x3700000
Dummy main: start_info=0x96f960
Thread "main": pointer: 0x21e0002f70, stack: 0x3710000
"main" "root=/dev/sda1" "ro" "4" 
vbd 2049 is hd0
******************* BLKFRONT for device/vbd/2049 **********


backend at /local/domain/0/backend/vbd/296/2049
Failed to read /local/domain/0/backend/vbd/296/2049/feature-barrier.
Failed to read /local/domain/0/backend/vbd/296/2049/feature-flush-cache.
16777216 sectors of 512 bytes
**************************
vbd 2064 is hd1
******************* BLKFRONT for device/vbd/2064 **********


backend at /local/domain/0/backend/vbd/296/2064
Failed to read /local/domain/0/backend/vbd/296/2064/feature-barrier.
Failed to read /local/domain/0/backend/vbd/296/2064/feature-flush-cache.
880732160 sectors of 512 bytes
**************************
vbd 2080 is hd2
******************* BLKFRONT for device/vbd/2080 **********


backend at /local/domain/0/backend/vbd/296/2080
Failed to read /local/domain/0/backend/vbd/296/2080/feature-barrier.
Failed to read /local/domain/0/backend/vbd/296/2080/feature-flush-cache.
880732160 sectors of 512 bytes
**************************
  Booting 'Ubuntu precise (development branch), kernel 3.1.0-1-virtual'



root  (hd0)

 Filesystem type is ext2fs, using whole disk

kernel  /boot/vmlinuz-3.1.0-1-virtual root=LABEL=cloudimg-rootfs ro console=hvc

0 

initrd  /boot/initrd.img-3.1.0-1-virtual



close blk: backend at /local/domain/0/backend/vbd/296/2049
close blk: backend at /local/domain/0/backend/vbd/296/2064
close blk: backend at /local/domain/0/backend/vbd/296/2080
[    0.000000] Initializing cgroup subsys cpuset
[    0.000000] Initializing cgroup subsys cpu
[    0.000000] Linux version 3.1.0-1-virtual (buildd@yellow) (gcc version 4.6.1 (Ubuntu/Linaro 4.6.1-15ubuntu1) ) #1-Ubuntu SMP Tue Oct 18 22:17:51 UTC 2011 (Ubuntu 3.1.0-1.1-virtual 3.1.0-rc10)
[    0.000000] Command line: root=LABEL=cloudimg-rootfs ro console=hvc0 
[    0.000000] KERNEL supported cpus:
[    0.000000]   Intel GenuineIntel
[    0.000000]   AMD AuthenticAMD
[    0.000000]   Centaur CentaurHauls
[    0.000000] ACPI in unprivileged domain disabled
[    0.000000] released 0 pages of unused memory
[    0.000000] Set 0 page(s) to 1-1 mapping.
[    0.000000] BIOS-provided physical RAM map:
[    0.000000]  Xen: 0000000000000000 - 00000000000a0000 (usable)
[    0.000000]  Xen: 00000000000a0000 - 0000000000100000 (reserved)
[    0.000000]  Xen: 0000000000100000 - 00000001e0000000 (usable)
[    0.000000] NX (Execute Disable) protection: active
[    0.000000] DMI not present or invalid.
[    0.000000] No AGP bridge found
[    0.000000] last_pfn = 0x1e0000 max_arch_pfn = 0x400000000
[    0.000000] last_pfn = 0x100000 max_arch_pfn = 0x400000000
[    0.000000] init_memory_mapping: 0000000000000000-0000000100000000
[    0.000000] init_memory_mapping: 0000000100000000-00000001e0000000
[    0.000000] RAMDISK: 02049000 - 02b9f000
[    0.000000] No NUMA configuration found
[    0.000000] Faking a node at 0000000000000000-00000001e0000000
[    0.000000] Initmem setup node 0 0000000000000000-00000001e0000000
[    0.000000]   NODE_DATA [00000001dfffb000 - 00000001dfffffff]
[    0.000000] Zone PFN ranges:
[    0.000000]   DMA      0x00000010 -> 0x00001000
[    0.000000]   DMA32    0x00001000 -> 0x00100000
[    0.000000]   Normal   0x00100000 -> 0x001e0000
[    0.000000] Movable zone start PFN for each node
[    0.000000] early_node_map[2] active PFN ranges
[    0.000000]     0: 0x00000010 -> 0x000000a0
[    0.000000]     0: 0x00000100 -> 0x001e0000
[    0.000000] SFI: Simple Firmware Interface v0.81 http://simplefirmware.org
[    0.000000] SMP: Allowing 2 CPUs, 0 hotplug CPUs
[    0.000000] No local APIC present
[    0.000000] APIC: disable apic facility
[    0.000000] APIC: switched to apic NOOP
[    0.000000] PM: Registered nosave memory: 00000000000a0000 - 0000000000100000
[    0.000000] PCI: Warning: Cannot find a gap in the 32bit address range
[    0.000000] PCI: Unassigned devices with 32bit resource registers may break!
[    0.000000] Allocating PCI resources starting at 1e0100000 (gap: 1e0100000:400000)
[    0.000000] Booting paravirtualized kernel on Xen
[    0.000000] Xen version: 3.0.3-rc5-8.1.14.f
[    0.000000] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:1
[    0.000000] PERCPU: Embedded 27 pages/cpu @ffff8801dff75000 s81024 r8192 d21376 u110592
[    0.000000] Built 1 zonelists in Node order, mobility grouping on.  Total pages: 1935243
[    0.000000] Policy zone: Normal
[    0.000000] Kernel command line: root=LABEL=cloudimg-rootfs ro console=hvc0 
[    0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
[    0.000000] Checking aperture...
[    0.000000] No AGP bridge found
[    0.000000] Memory: 7616260k/7864320k available (6342k kernel code, 448k absent, 247612k reserved, 6816k data, 900k init)
[    0.000000] SLUB: Genslabs=15, HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
[    0.000000] Hierarchical RCU implementation.
[    0.000000] 	RCU dyntick-idle grace-period acceleration is enabled.
[    0.000000] NR_IRQS:4352 nr_irqs:288 16
[    0.000000] Console: colour dummy device 80x25
[    0.000000] console [tty0] enabled
[    0.000000] console [hvc0] enabled
[    0.000000] allocated 62914560 bytes of page_cgroup
[    0.000000] please try 'cgroup_disable=memory' option if you don't want memory cgroups
[    0.000000] installing Xen timer for CPU 0
[    0.000000] Detected 2666.758 MHz processor.
[    0.004000] Calibrating delay loop (skipped), value calculated using timer frequency.. 5333.51 BogoMIPS (lpj=10667032)
[    0.004000] pid_max: default: 32768 minimum: 301
[    0.004000] Security Framework initialized
[    0.004000] AppArmor: AppArmor initialized
[    0.004000] Yama: becoming mindful.
[    0.004552] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes)
[    0.009554] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes)
[    0.011225] Mount-cache hash table entries: 256
[    0.011458] Initializing cgroup subsys cpuacct
[    0.011476] Initializing cgroup subsys memory
[    0.011492] Initializing cgroup subsys devices
[    0.011499] Initializing cgroup subsys freezer
[    0.011505] Initializing cgroup subsys net_cls
[    0.011510] Initializing cgroup subsys blkio
[    0.011525] Initializing cgroup subsys perf_event
[    0.011599] CPU: Physical Processor ID: 0
[    0.011608] CPU: Processor Core ID: 0
[    0.011614] using mwait in idle threads.
[    0.011666] SMP alternatives: switching to UP code
[    0.054322] ftrace: allocating 26359 entries in 104 pages
[    0.056075] cpu 0 spinlock event irq 17
[    0.056103] Performance Events: PEBS fmt0+, Core2 events, 
[    0.056119] no APIC, boot with the "lapic" boot parameter to force-enable it.
[    0.056126] no hardware sampling interrupt available.
[    0.056144] Broken PMU hardware detected, using software events only.
[    0.056708] installing Xen timer for CPU 1
[    0.056721] cpu 1 spinlock event irq 23
[    0.056756] SMP alternatives: switching to SMP code
[    0.104067] Brought up 2 CPUs
[    0.104059] invalid opcode: 0000 [#1] SMP 
[    0.104059] CPU 1 
[    0.104059] Modules linked in:
[    0.104059] 
[    0.104059] Pid: 0, comm: swapper Not tainted 3.1.0-1-virtual #1-Ubuntu  
[    0.104059] RIP: e030:[<ffffffff8101b68c>]  [<ffffffff8101b68c>] mwait_idle+0x6c/0x160
[    0.104059] RSP: e02b:ffff8801d28dbef0  EFLAGS: 00010046
[    0.104059] RAX: ffff8801d28da010 RBX: ffff8801d28dbfd8 RCX: 0000000000000000
[    0.104059] RDX: 0000000000000000 RSI: ffff8801d28dbfd8 RDI: ffffffff81dcae48
[    0.104059] RBP: ffff8801d28dbf10 R08: 0000000000000000 R09: 0000000000000001
[    0.104062] R10: 0000000000000400 R11: 0000000000000001 R12: ffffffff81cd3240
[    0.104080] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000
[    0.104083] FS:  0000000000000000(0000) GS:ffff8801dff90000(0000) knlGS:0000000000000000
[    0.104086] CS:  e033 DS: 002b ES: 002b CR0: 000000008005003b
[    0.104088] CR2: 0000000000000000 CR3: 0000000001c05000 CR4: 0000000000002660
[    0.104090] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    0.104092] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000000
[    0.104095] Process swapper (pid: 0, threadinfo ffff8801d28da000, task ffff8801d28cae00)
[    0.104096] Stack:
[    0.104098]  ffff8801d28dbfd8 ffffffff81cd3240 0000000000000000 0000000000000000
[    0.104103]  ffff8801d28dbf40 ffffffff8101222f 0000000000000001 3f4b3ac1adca49fd
[    0.104106]  0000000000000000 0000000000000000 ffff8801d28dbf50 ffffffff815ff207
[    0.104109] Call Trace:
[    0.104113]  [<ffffffff8101222f>] cpu_idle+0xcf/0x120
[    0.104118]  [<ffffffff815ff207>] cpu_bringup_and_idle+0xe/0x10
[    0.104120] Code: e8 39 a8 01 74 10 65 48 8b 04 25 88 c4 00 00 0f ae b8 38 e0 ff ff 31 d2 65 48 8b 34 25 88 c4 00 00 48 89 d1 48 8d 86 38 e0 ff ff <0f> 01 c8 0f ae f0 48 8b 86 38 e0 ff ff a8 08 0f 85 ba 00 00 00 
[    0.104144] RIP  [<ffffffff8101b68c>] mwait_idle+0x6c/0x160
[    0.104146]  RSP <ffff8801d28dbef0>
[    0.104151] ---[ end trace 6d450e935ee1897c ]---
[    0.104153] Kernel panic - not syncing: Attempted to kill the idle task!
[    0.104156] Pid: 0, comm: swapper Tainted: G      D     3.1.0-1-virtual #1-Ubuntu
[    0.104157] Call Trace:
[    0.104160]  [<ffffffff8160d69c>] panic+0x91/0x19d
[    0.104173]  [<ffffffff8106828e>] do_exit+0x41e/0x420
[    0.104177]  [<ffffffff816258f0>] oops_end+0xb0/0xf0
[    0.104180]  [<ffffffff810167b8>] die+0x58/0x90
[    0.104182]  [<ffffffff81624f