[Bug 1773449] Re: VMs do not survive host reboot

Ryan Beisner 1773449 at bugs.launchpad.net
Tue May 29 22:34:26 UTC 2018


Three fronts to dig into:

1. Please also describe in more detail the procedure which is used to
reboot the compute node(s).  Is this a cold power-off?  Is it `sudo
reboot`?  Or something else?

2. Typically when a nova compute node is rebooted, the instances on that
compute node are not automatically started upon boot of the underlying
host.  This is as advised by my engineering team, and our support teams.
This ensures that an operator is well-aware of a compute node which has
rebooted.  The compute node will come back up with all of its instances
in a SHUTDOWN state.  Once the compute node, and all of the
corresponding services and storage components are confirmed as up, the
operator should then start the nova instances.  This is by design,
default behavior.

What is not clear, is if this site has overridden that logic, attempting
to automatically start nova instances upon server boot, or not.  Please
confirm and clarify this point on this deployment.

3. The next observation is that this appears to be a classic linux admin
type issue (a server was rebooted and did not cleanly unmount a
filesystem, therefore is grumpy on the next boot), indicated by the
classic symptom:

Warning: fsck not present, so skipping root file system

[ 3.310173] EXT4-fs (vda1): INFO: recovery required on readonly
filesystem

[ 3.311654] EXT4-fs (vda1): write access will be enabled during recovery

[ 5.419286] blk_update_request: I/O error, dev vda, sector 2048

[ 5.420745] Buffer I/O error on dev vda1, logical block 0, lost async
page write

[ 5.422560] Buffer I/O error on dev vda1, logical block 1, lost async
page write

[ 5.436351] blk_update_request: I/O error, dev vda, sector 3080

[ 5.437718] Buffer I/O error on dev vda1, logical block 129, lost async
page write

[ 5.439603] Buffer I/O error on dev vda1, logical block 130, lost async
page write

[ 5.441540] Buffer I/O error on dev vda1, logical block 131, lost async
page write

[ 5.443487] Buffer I/O error on dev vda1, logical block 132, lost async
page write

[ 5.445412] Buffer I/O error on dev vda1, logical block 133, lost async
page write

[ 5.447183] Buffer I/O error on dev vda1, logical block 134, lost async
page write

[ 5.454432] blk_update_request: I/O error, dev vda, sector 3136

[ 5.456074] Buffer I/O error on dev vda1, logical block 136, lost async
page write

[ 5.464320] blk_update_request: I/O error, dev vda, sector 3176

[ 5.465891] Buffer I/O error on dev vda1, logical block 141, lost async
page write

[ 5.481109] blk_update_request: I/O error, dev vda, sector 3208

[ 5.500706] blk_update_request: I/O error, dev vda, sector 3232

[ 5.515074] blk_update_request: I/O error, dev vda, sector 3424

[ 5.532104] blk_update_request: I/O error, dev vda, sector 3504

[ 5.547614] blk_update_request: I/O error, dev vda, sector 3632

[ 5.557725] blk_update_request: I/O error, dev vda, sector 4072

[ 6.726649] JBD2: recovery failed

[ 6.727554] EXT4-fs (vda1): error loading journal

[ 6.732916] VFS: Dirty inode writeback failed for block device vda1
(err=-5).

mount: mounting /dev/vda1 on /root failed: Input/output error

done.

We will await further detail to this and the other items referenced.
Thanks for your help.

-- 
You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1773449

Title:
  VMs do not survive host reboot

Status in Ubuntu Cloud Archive:
  Incomplete
Status in OpenStack Compute (nova):
  New
Status in nova package in Ubuntu:
  New

Bug description:
  Reboot host that contains VMs with volumes and all VMs fail to boot.
  Happens with Queens on Bionic and Xenial

  [    0.000000] Initializing cgroup subsys cpuset

  [    0.000000] Initializing cgroup subsys cpu

  [    0.000000] Initializing cgroup subsys cpuacct

  [    0.000000] Linux version 4.4.0-124-generic
  (buildd at lcy01-amd64-028) (gcc version 5.4.0 20160609 (Ubuntu
  5.4.0-6ubuntu1~16.04.9) ) #148-Ubuntu SMP Wed May 2 13:00:18 UTC 2018
  (Ubuntu 4.4.0-124.148-generic 4.4.117)

  [    0.000000] Command line:
  BOOT_IMAGE=/boot/vmlinuz-4.4.0-124-generic
  root=UUID=bca2de6e-f774-4203-ae05-e8deeb05f64a ro console=tty1
  console=ttyS0

  [    0.000000] KERNEL supported cpus:

  [    0.000000]   Intel GenuineIntel

  [    0.000000]   AMD AuthenticAMD

  [    0.000000]   Centaur CentaurHauls

  [    0.000000] x86/fpu: xstate_offset[2]:  576, xstate_sizes[2]:  256

  [    0.000000] x86/fpu: Supporting XSAVE feature 0x01: 'x87 floating
  point registers'

  [    0.000000] x86/fpu: Supporting XSAVE feature 0x02: 'SSE registers'

  [    0.000000] x86/fpu: Supporting XSAVE feature 0x04: 'AVX registers'

  [    0.000000] x86/fpu: Enabled xstate features 0x7, context size is
  832 bytes, using 'standard' format.

  [    0.000000] x86/fpu: Using 'eager' FPU context switches.

  [    0.000000] e820: BIOS-provided physical RAM map:

  [    0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff]
  usable

  [    0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff]
  reserved

  [    0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff]
  reserved

  [    0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007ffdbfff]
  usable

  [    0.000000] BIOS-e820: [mem 0x000000007ffdc000-0x000000007fffffff]
  reserved

  [    0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff]
  reserved

  [    0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff]
  reserved

  [    0.000000] NX (Execute Disable) protection: active

  [    0.000000] SMBIOS 2.8 present.

  [    0.000000] Hypervisor detected: KVM

  [    0.000000] e820: last_pfn = 0x7ffdc max_arch_pfn = 0x400000000

  [    0.000000] x86/PAT: Configuration [0-7]: WB  WC  UC- UC  WB  WC
  UC- WT

  [    0.000000] found SMP MP-table at [mem 0x000f6a20-0x000f6a2f]
  mapped at [ffff8800000f6a20]

  [    0.000000] Scanning 1 areas for low memory corruption

  [    0.000000] Using GB pages for direct mapping

  [    0.000000] RAMDISK: [mem 0x361f4000-0x370f1fff]

  [    0.000000] ACPI: Early table checksum verification disabled

  [    0.000000] ACPI: RSDP 0x00000000000F6780 000014 (v00 BOCHS )

  [    0.000000] ACPI: RSDT 0x000000007FFE1649 00002C (v01 BOCHS
  BXPCRSDT 00000001 BXPC 00000001)

  [    0.000000] ACPI: FACP 0x000000007FFE14CD 000074 (v01 BOCHS
  BXPCFACP 00000001 BXPC 00000001)

  [    0.000000] ACPI: DSDT 0x000000007FFE0040 00148D (v01 BOCHS
  BXPCDSDT 00000001 BXPC 00000001)

  [    0.000000] ACPI: FACS 0x000000007FFE0000 000040

  [    0.000000] ACPI: APIC 0x000000007FFE15C1 000088 (v01 BOCHS
  BXPCAPIC 00000001 BXPC 00000001)

  [    0.000000] No NUMA configuration found

  [    0.000000] Faking a node at [mem
  0x0000000000000000-0x000000007ffdbfff]

  [    0.000000] NODE_DATA(0) allocated [mem 0x7ffd7000-0x7ffdbfff]

  [    0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00

  [    0.000000] kvm-clock: cpu 0, msr 0:7ffcf001, primary cpu clock

  [    0.000000] kvm-clock: using sched offset of 17590935813 cycles

  [    0.000000] clocksource: kvm-clock: mask: 0xffffffffffffffff
  max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns

  [    0.000000] Zone ranges:

  [    0.000000]   DMA      [mem 0x0000000000001000-0x0000000000ffffff]

  [    0.000000]   DMA32    [mem 0x0000000001000000-0x000000007ffdbfff]

  [    0.000000]   Normal   empty

  [    0.000000]   Device   empty

  [    0.000000] Movable zone start for each node

  [    0.000000] Early memory node ranges

  [    0.000000]   node   0: [mem 0x0000000000001000-0x000000000009efff]

  [    0.000000]   node   0: [mem 0x0000000000100000-0x000000007ffdbfff]

  [    0.000000] Initmem setup node 0 [mem
  0x0000000000001000-0x000000007ffdbfff]

  [    0.000000] ACPI: PM-Timer IO Port: 0x608

  [    0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])

  [    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] smpboot: Allowing 3 CPUs, 0 hotplug CPUs

  [    0.000000] PM: Registered nosave memory: [mem
  0x00000000-0x00000fff]

  [    0.000000] PM: Registered nosave memory: [mem
  0x0009f000-0x0009ffff]

  [    0.000000] PM: Registered nosave memory: [mem
  0x000a0000-0x000effff]

  [    0.000000] PM: Registered nosave memory: [mem
  0x000f0000-0x000fffff]

  [    0.000000] e820: [mem 0x80000000-0xfeffbfff] available for PCI
  devices

  [    0.000000] Booting paravirtualized kernel on KVM

  [    0.000000] clocksource: refined-jiffies: mask: 0xffffffff
  max_cycles: 0xffffffff, max_idle_ns: 7645519600211568 ns

  [    0.000000] setup_percpu: NR_CPUS:512 nr_cpumask_bits:512
  nr_cpu_ids:3 nr_node_ids:1

  [    0.000000] PERCPU: Embedded 34 pages/cpu @ffff88007fc00000 s99544
  r8192 d31528 u524288

  [    0.000000] KVM setup async PF for cpu 0

  [    0.000000] kvm-stealtime: cpu 0, msr 7fc101c0

  [    0.000000] Built 1 zonelists in Node order, mobility grouping on.
  Total pages: 515940

  [    0.000000] Policy zone: DMA32

  [    0.000000] Kernel command line:
  BOOT_IMAGE=/boot/vmlinuz-4.4.0-124-generic
  root=UUID=bca2de6e-f774-4203-ae05-e8deeb05f64a ro console=tty1
  console=ttyS0

  [    0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)

  [    0.000000] Memory: 2029152K/2096616K available (8532K kernel code,
  1313K rwdata, 3996K rodata, 1508K init, 1316K bss, 67464K reserved, 0K
  cma-reserved)

  [    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=3,
  Nodes=1

  [    0.000000] Kernel/User page tables isolation: enabled

  [    0.000000] Hierarchical RCU implementation.

  [    0.000000]      Build-time adjustment of leaf fanout to 64.

  [    0.000000]      RCU restricting CPUs from NR_CPUS=512 to
  nr_cpu_ids=3.

  [    0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=64,
  nr_cpu_ids=3

  [    0.000000] NR_IRQS:33024 nr_irqs:448 16

  [    0.000000] Console: colour VGA+ 80x25

  [    0.000000] console [tty1] enabled

  [    0.000000] console [ttyS0] enabled

  [    0.000000] tsc: Detected 2599.996 MHz processor

  [    0.162974] Calibrating delay loop (skipped) preset value.. 5199.99
  BogoMIPS (lpj=10399984)

  [    0.164958] pid_max: default: 32768 minimum: 301

  [    0.166117] ACPI: Core revision 20150930

  [    0.167823] ACPI: 1 ACPI AML tables successfully acquired and
  loaded

  [    0.169447] Security Framework initialized

  [    0.170423] Yama: becoming mindful.

  [    0.171304] AppArmor: AppArmor initialized

  [    0.172848] Dentry cache hash table entries: 262144 (order: 9,
  2097152 bytes)

  [    0.174774] Inode-cache hash table entries: 131072 (order: 8,
  1048576 bytes)

  [    0.176814] Mount-cache hash table entries: 4096 (order: 3, 32768
  bytes)

  [    0.178303] Mountpoint-cache hash table entries: 4096 (order: 3,
  32768 bytes)

  [    0.179888] Initializing cgroup subsys io

  [    0.180818] Initializing cgroup subsys memory

  [    0.181875] Initializing cgroup subsys devices

  [    0.182966] Initializing cgroup subsys freezer

  [    0.183957] Initializing cgroup subsys net_cls

  [    0.184986] Initializing cgroup subsys perf_event

  [    0.186177] Initializing cgroup subsys net_prio

  [    0.187212] Initializing cgroup subsys hugetlb

  [    0.188199] Initializing cgroup subsys pids

  [    0.189261] CPU: Physical Processor ID: 0

  [    0.190257] FEATURE SPEC_CTRL Not Present

  [    0.191931] mce: CPU supports 10 MCE banks

  [    0.192914] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0

  [    0.194081] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0

  [    0.195383] Spectre V2 mitigation: Mitigation: Full generic
  retpoline

  [    0.196756] Spectre V2 mitigation: Speculation control IBPB not-
  supported IBRS not-supported

  [    0.198573] Spectre V2 mitigation: Filling RSB on context switch

  [    0.201611] Freeing SMP alternatives memory: 32K

  [    0.208291] ftrace: allocating 32202 entries in 126 pages

  [    0.251768] smpboot: APIC(0) Converting physical 0 to logical
  package 0

  [    0.253513] smpboot: APIC(1) Converting physical 1 to logical
  package 1

  [    0.255153] smpboot: APIC(2) Converting physical 2 to logical
  package 2

  [    0.256714] smpboot: Max logical packages: 3

  [    0.258065] x2apic enabled

  [    0.259050] Switched APIC routing to physical x2apic.

  [    0.261345] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1

  [    0.262933] smpboot: CPU0: Intel Core Processor (Skylake) (family:
  0x6, model: 0x5e, stepping: 0x3)

  [    0.265470] Performance Events: unsupported p6 CPU model 94 no PMU
  driver, software events only.

  [    0.268860] x86: Booting SMP configuration:

  [    0.269991] .... node  #0, CPUs:      #1

  [    0.271156] kvm-clock: cpu 1, msr 0:7ffcf041, secondary cpu clock

  [    0.293248] KVM setup async PF for cpu 1

  [    0.293422]  #2

  [    0.293423] kvm-clock: cpu 2, msr 0:7ffcf081, secondary cpu clock

  [    0.296162] kvm-stealtime: cpu 1, msr 7fc901c0

  [    0.314289] x86: Booted up 1 node, 3 CPUs

  [    0.314292] KVM setup async PF for cpu 2

  [    0.314296] kvm-stealtime: cpu 2, msr 7fd101c0

  [    0.317678] smpboot: Total of 3 processors activated (15599.97
  BogoMIPS)

  [    0.319877] devtmpfs: initialized

  [    0.322064] evm: security.selinux

  [    0.323002] evm: security.SMACK64

  [    0.323983] evm: security.SMACK64EXEC

  [    0.324991] evm: security.SMACK64TRANSMUTE

  [    0.326138] evm: security.SMACK64MMAP

  [    0.327159] evm: security.ima

  [    0.328060] evm: security.capability

  [    0.329200] clocksource: jiffies: mask: 0xffffffff max_cycles:
  0xffffffff, max_idle_ns: 7645041785100000 ns

  [    0.331819] futex hash table entries: 1024 (order: 4, 65536 bytes)

  [    0.333630] pinctrl core: initialized pinctrl subsystem

  [    0.335197] RTC time: 19:21:27, date: 05/19/18

  [    0.336569] NET: Registered protocol family 16

  [    0.349807] cpuidle: using governor ladder

  [    0.361829] cpuidle: using governor menu

  [    0.362902] PCCT header not found.

  [    0.363971] ACPI: bus type PCI registered

  [    0.365095] acpiphp: ACPI Hot Plug PCI Controller Driver version:
  0.5

  [    0.366893] PCI: Using configuration type 1 for base access

  [    0.379232] ACPI: Added _OSI(Module Device)

  [    0.380366] ACPI: Added _OSI(Processor Device)

  [    0.381594] ACPI: Added _OSI(3.0 _SCP Extensions)

  [    0.382948] ACPI: Added _OSI(Processor Aggregator Device)

  [    0.385698] ACPI: Interpreter enabled

  [    0.386750] ACPI: (supports S0 S3 S4 S5)

  [    0.387864] ACPI: Using IOAPIC for interrupt routing

  [    0.389261] PCI: Using host bridge windows from ACPI; if necessary,
  use "pci=nocrs" and report a bug

  [    0.404203] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])

  [    0.405846] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM
  Segments MSI]

  [    0.407652] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling
  ASPM

  [    0.409009] acpi PNP0A03:00: fail to add MMCONFIG information,
  can't access extended PCI configuration space under this bridge.

  [    0.411606] acpiphp: Slot [3] registered

  [    0.412544] acpiphp: Slot [4] registered

  [    0.413516] acpiphp: Slot [5] registered

  [    0.414437] acpiphp: Slot [6] registered

  [    0.415338] acpiphp: Slot [7] registered

  [    0.416238] acpiphp: Slot [8] registered

  [    0.417238] acpiphp: Slot [9] registered

  [    0.418162] acpiphp: Slot [10] registered

  [    0.419092] acpiphp: Slot [11] registered

  [    0.420086] acpiphp: Slot [12] registered

  [    0.421122] acpiphp: Slot [13] registered

  [    0.422236] acpiphp: Slot [14] registered

  [    0.423159] acpiphp: Slot [15] registered

  [    0.424310] acpiphp: Slot [16] registered

  [    0.425278] acpiphp: Slot [17] registered

  [    0.427252] acpiphp: Slot [18] registered

  [    0.428177] acpiphp: Slot [19] registered

  [    0.429099] acpiphp: Slot [20] registered

  [    0.430023] acpiphp: Slot [21] registered

  [    0.430979] acpiphp: Slot [22] registered

  [    0.431898] acpiphp: Slot [23] registered

  [    0.432824] acpiphp: Slot [24] registered

  [    0.433750] acpiphp: Slot [25] registered

  [    0.434666] acpiphp: Slot [26] registered

  [    0.435581] acpiphp: Slot [27] registered

  [    0.436573] acpiphp: Slot [28] registered

  [    0.437503] acpiphp: Slot [29] registered

  [    0.438423] acpiphp: Slot [30] registered

  [    0.439335] acpiphp: Slot [31] registered

  [    0.440247] PCI host bridge to bus 0000:00

  [    0.441170] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7
  window]

  [    0.442577] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff
  window]

  [    0.444045] pci_bus 0000:00: root bus resource [mem
  0x000a0000-0x000bffff window]

  [    0.445793] pci_bus 0000:00: root bus resource [mem
  0x80000000-0xfebfffff window]

  [    0.447578] pci_bus 0000:00: root bus resource [mem
  0x100000000-0x17fffffff window]

  [    0.449309] pci_bus 0000:00: root bus resource [bus 00-ff]

  [    0.454218] pci 0000:00:01.1: legacy IDE quirk: reg 0x10: [io
  0x01f0-0x01f7]

  [    0.455694] pci 0000:00:01.1: legacy IDE quirk: reg 0x14: [io
  0x03f6]

  [    0.457043] pci 0000:00:01.1: legacy IDE quirk: reg 0x18: [io
  0x0170-0x0177]

  [    0.458682] pci 0000:00:01.1: legacy IDE quirk: reg 0x1c: [io
  0x0376]

  [    0.463649] pci 0000:00:01.3: quirk: [io  0x0600-0x063f] claimed by
  PIIX4 ACPI

  [    0.465298] pci 0000:00:01.3: quirk: [io  0x0700-0x070f] claimed by
  PIIX4 SMB

  [    0.491334] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11)

  [    0.493107] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11)

  [    0.495127] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11)

  [    0.496733] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11)

  [    0.498345] ACPI: PCI Interrupt Link [LNKS] (IRQs *9)

  [    0.499910] ACPI: Enabled 2 GPEs in block 00 to 0F

  [    0.501277] vgaarb: setting as boot device: PCI:0000:00:02.0

  [    0.502636] vgaarb: device added:
  PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none

  [    0.504417] vgaarb: loaded

  [    0.505216] vgaarb: bridge control possible 0000:00:02.0

  [    0.506617] SCSI subsystem initialized

  [    0.507605] ACPI: bus type USB registered

  [    0.508548] usbcore: registered new interface driver usbfs

  [    0.509767] usbcore: registered new interface driver hub

  [    0.510941] usbcore: registered new device driver usb

  [    0.512698] PCI: Using ACPI for IRQ routing

  [    0.513896] NetLabel: Initializing

  [    0.514738] NetLabel:  domain hash size = 128

  [    0.515770] NetLabel:  protocols = UNLABELED CIPSOv4

  [    0.516976] NetLabel:  unlabeled traffic allowed by default

  [    0.518350] amd_nb: Cannot enumerate AMD northbridges

  [    0.519489] clocksource: Switched to clocksource kvm-clock

  [    0.526617] AppArmor: AppArmor Filesystem Enabled

  [    0.527736] pnp: PnP ACPI init

  [    0.528883] pnp: PnP ACPI: found 5 devices

  [    0.536051] clocksource: acpi_pm: mask: 0xffffff max_cycles:
  0xffffff, max_idle_ns: 2085701024 ns

  [    0.538129] NET: Registered protocol family 2

  [    0.539237] TCP established hash table entries: 16384 (order: 5,
  131072 bytes)

  [    0.540871] TCP bind hash table entries: 16384 (order: 6, 262144
  bytes)

  [    0.542278] TCP: Hash tables configured (established 16384 bind
  16384)

  [    0.543657] UDP hash table entries: 1024 (order: 3, 32768 bytes)

  [    0.544935] UDP-Lite hash table entries: 1024 (order: 3, 32768
  bytes)

  [    0.546335] NET: Registered protocol family 1

  [    0.547309] pci 0000:00:00.0: Limiting direct PCI/PCI transfers

  [    0.548556] pci 0000:00:01.0: PIIX3: Enabling Passive Release

  [    0.549820] pci 0000:00:01.0: Activating ISA DMA hang workarounds

  [    0.569172] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 11

  [    0.588539] Unpacking initramfs...

  [    0.779175] Freeing initrd memory: 15352K

  [    0.780438] Scanning for low memory corruption every 60 seconds

  [    0.782003] audit: initializing netlink subsys (disabled)

  [    0.783197] audit: type=2000 audit(1526757688.378:1): initialized

  [    0.784711] Initialise system trusted keyring

  [    0.785837] HugeTLB registered 1 GB page size, pre-allocated 0
  pages

  [    0.787194] HugeTLB registered 2 MB page size, pre-allocated 0
  pages

  [    0.789576] zbud: loaded

  [    0.790539] VFS: Disk quotas dquot_6.6.0

  [    0.791463] VFS: Dquot-cache hash table entries: 512 (order 0, 4096
  bytes)

  [    0.793081] squashfs: version 4.0 (2009/01/31) Phillip Lougher

  [    0.794559] fuse init (API version 7.23)

  [    0.795575] Key type big_key registered

  [    0.796488] Allocating IMA MOK and blacklist keyrings.

  [    0.797938] Key type asymmetric registered

  [    0.798915] Asymmetric key parser 'x509' registered

  [    0.800060] Block layer SCSI generic (bsg) driver version 0.4
  loaded (major 249)

  [    0.801823] io scheduler noop registered

  [    0.802860] io scheduler deadline registered (default)

  [    0.804056] io scheduler cfq registered

  [    0.805120] pci_hotplug: PCI Hot Plug PCI Core version: 0.5

  [    0.806350] pciehp: PCI Express Hot Plug Controller Driver version:
  0.4

  [    0.807840] input: Power Button as
  /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0

  [    0.809536] ACPI: Power Button [PWRF]

  [    0.810580] GHES: HEST is not enabled!

  [    0.829152] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 10

  [    0.867373] ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 10

  [    0.870053] Serial: 8250/16550 driver, 32 ports, IRQ sharing
  enabled

  [    0.894774] 00:04: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200)
  is a 16550A

  [    0.897409] Linux agpgart interface v0.103

  [    0.899640] loop: module loaded

  [    0.903947]  vda: vda1

  [    0.905362] scsi host0: ata_piix

  [    0.906255] scsi host1: ata_piix

  [    0.907100] ata1: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc0a0
  irq 14

  [    0.908585] ata2: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc0a8
  irq 15

  [    0.910205] libphy: Fixed MDIO Bus: probed

  [    0.911237] tun: Universal TUN/TAP device driver, 1.6

  [    0.912457] tun: (C) 1999-2004 Max Krasnyansky <maxk at qualcomm.com>

  [    0.914846] PPP generic driver version 2.4.2

  [    0.915910] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI)
  Driver

  [    0.917277] ehci-pci: EHCI PCI platform driver

  [    0.918300] ehci-platform: EHCI generic platform driver

  [    0.919424] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver

  [    0.920822] ohci-pci: OHCI PCI platform driver

  [    0.921874] ohci-platform: OHCI generic platform driver

  [    0.923959] uhci_hcd: USB Universal Host Controller Interface
  driver

  [    0.943332] uhci_hcd 0000:00:01.2: UHCI Host Controller

  [    0.944503] uhci_hcd 0000:00:01.2: new USB bus registered, assigned
  bus number 1

  [    0.946191] uhci_hcd 0000:00:01.2: detected 2 ports

  [    0.947335] uhci_hcd 0000:00:01.2: irq 11, io base 0x0000c040

  [    0.948617] usb usb1: New USB device found, idVendor=1d6b,
  idProduct=0001

  [    0.950067] usb usb1: New USB device strings: Mfr=3, Product=2,
  SerialNumber=1

  [    0.951691] usb usb1: Product: UHCI Host Controller

  [    0.952758] usb usb1: Manufacturer: Linux 4.4.0-124-generic
  uhci_hcd

  [    0.954105] usb usb1: SerialNumber: 0000:00:01.2

  [    0.955236] hub 1-0:1.0: USB hub found

  [    0.956239] hub 1-0:1.0: 2 ports detected

  [    0.957328] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU]
  at 0x60,0x64 irq 1,12

  [    0.960477] serio: i8042 KBD port at 0x60,0x64 irq 1

  [    0.961576] serio: i8042 AUX port at 0x60,0x64 irq 12

  [    0.962781] mousedev: PS/2 mouse device common for all mice

  [    0.964147] rtc_cmos 00:00: RTC can wake from S4

  [    0.965518] input: AT Translated Set 2 keyboard as
  /devices/platform/i8042/serio0/input/input1

  [    0.967499] rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0

  [    0.968986] rtc_cmos 00:00: alarms up to one day, y3k, 114 bytes
  nvram

  [    0.970400] i2c /dev entries driver

  [    0.971310] device-mapper: uevent: version 1.0.3

  [    0.972400] device-mapper: ioctl: 4.34.0-ioctl (2015-10-28)
  initialised: dm-devel at redhat.com

  [    0.974316] ledtrig-cpu: registered to indicate activity on CPUs

  [    0.975944] NET: Registered protocol family 10

  [    0.977135] NET: Registered protocol family 17

  [    0.978261] Key type dns_resolver registered

  [    0.979543] registered taskstats version 1

  [    0.980576] Loading compiled-in X.509 certificates

  [    0.982251] Loaded X.509 cert 'Build time autogenerated kernel key:
  97a7db5071cab428e7f67f96f51ed8d32b3fc527'

  [    0.984511] zswap: loaded using pool lzo/zbud

  [    0.987147] Key type trusted registered

  [    0.990720] Key type encrypted registered

  [    1.002474] AppArmor: AppArmor sha1 policy hashing enabled

  [    1.003727] ima: No TPM chip found, activating TPM-bypass!

  [    1.004957] evm: HMAC attrs: 0x1

  [    1.006120]   Magic number: 2:261:395

  [    1.007174] rtc_cmos 00:00: setting system clock to 2018-05-19
  19:21:28 UTC (1526757688)

  [    1.009252] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found

  [    1.010557] EDD information not available.

  [    1.064852] Freeing unused kernel memory: 1508K

  [    1.065934] Write protecting the kernel read-only data: 14336k

  [    1.067907] Freeing unused kernel memory: 1696K

  [    1.069172] Freeing unused kernel memory: 100K

  Loading, please wait...

  starting version 229

  [    1.081083] random: systemd-udevd: uninitialized urandom read (16
  bytes read, 1 bits of entropy available)

  [    1.081727] random: udevadm: uninitialized urandom read (16 bytes
  read, 1 bits of entropy available)

  [    1.081747] random: udevadm: uninitialized urandom read (16 bytes
  read, 1 bits of entropy available)

  [    1.088174] random: systemd-udevd: uninitialized urandom read (16
  bytes read, 1 bits of entropy available)

  [    1.088407] random: udevadm: uninitialized urandom read (16 bytes
  read, 1 bits of entropy available)

  [    1.088446] random: udevadm: uninitialized urandom read (16 bytes
  read, 1 bits of entropy available)

  [    1.088617] random: udevadm: uninitialized urandom read (16 bytes
  read, 1 bits of entropy available)

  [    1.088658] random: udevadm: uninitialized urandom read (16 bytes
  read, 1 bits of entropy available)

  [    1.088700] random: udevadm: uninitialized urandom read (16 bytes
  read, 1 bits of entropy available)

  [    1.088741] random: udevadm: uninitialized urandom read (16 bytes
  read, 1 bits of entropy available)

  [    1.119715] virtio_net virtio0 ens3: renamed from eth0

  [    1.124086] input: VirtualPS/2 VMware VMMouse as
  /devices/platform/i8042/serio1/input/input4

  [    1.126311] input: VirtualPS/2 VMware VMMouse as
  /devices/platform/i8042/serio1/input/input3

  [    1.132121] FDC 0 is a S82078B

  [    1.135401] AVX2 version of gcm_enc/dec engaged.

  [    1.136548] AES CTR mode by8 optimization enabled

  [    1.271543] usb 1-1: new full-speed USB device number 2 using
  uhci_hcd

  [    1.436560] usb 1-1: New USB device found, idVendor=0627,
  idProduct=0001

  [    1.438132] usb 1-1: New USB device strings: Mfr=1, Product=3,
  SerialNumber=5

  [    1.439691] usb 1-1: Product: QEMU USB Tablet

  [    1.440715] usb 1-1: Manufacturer: QEMU

  [    1.441614] usb 1-1: SerialNumber: 42

  [    1.449330] hidraw: raw HID events driver (C) Jiri Kosina

  [    1.455810] usbcore: registered new interface driver usbhid

  [    1.457084] usbhid: USB HID core driver

  [    1.459881] input: QEMU QEMU USB Tablet as
  /devices/pci0000:00/0000:00:01.2/usb1/1-1/1-1:1.0/0003:0627:0001.0001/input/input5

  [    1.462712] hid-generic 0003:0627:0001.0001: input,hidraw0: USB HID
  v0.01 Mouse [QEMU QEMU USB Tablet] on usb-0000:00:01.2-1/input0

  [    1.779575] tsc: Refined TSC clocksource calibration: 2599.629 MHz

  [    1.780975] clocksource: tsc: mask: 0xffffffffffffffff max_cycles:
  0x2578ddcaa07, max_idle_ns: 440795279560 ns

  Begin: Loading essential drivers ... [    2.522755] md: linear
  personality registered for level -1

  [    2.525948] md: multipath personality registered for level -4

  [    2.529325] md: raid0 personality registered for level 0

  [    2.532767] md: raid1 personality registered for level 1

  [    2.603533] raid6: sse2x1   gen() 10141 MB/s

  [    2.671524] raid6: sse2x1   xor()  7713 MB/s

  [    2.739530] raid6: sse2x2   gen() 12546 MB/s

  [    2.807530] raid6: sse2x2   xor()  8340 MB/s

  [    2.875535] raid6: sse2x4   gen() 14625 MB/s

  [    2.943528] raid6: sse2x4   xor() 10307 MB/s

  [    3.011530] raid6: avx2x1   gen() 19536 MB/s

  [    3.079501] raid6: avx2x2   gen() 22464 MB/s

  [    3.147498] raid6: avx2x4   gen() 25560 MB/s

  [    3.148669] raid6: using algorithm avx2x4 gen() 25560 MB/s

  [    3.150132] raid6: using avx2x2 recovery algorithm

  [    3.152232] xor: automatically using best checksumming function:

  [    3.191529]    avx       : 28402.000 MB/sec

  [    3.193559] async_tx: api initialized (async)

  [    3.199567] md: raid6 personality registered for level 6

  [    3.200781] md: raid5 personality registered for level 5

  [    3.201962] md: raid4 personality registered for level 4

  [    3.207517] md: raid10 personality registered for level 10

  done.

  Begin: Running /scripts/init-premount ... done.

  Begin: Mounting root file system ... Begin: Running /scripts/local-top
  ... done.

  Begin: Running /scripts/local-premount ... [    3.234789] Btrfs loaded

  Scanning for Btrfs filesystems

  done.

  Warning: fsck not present, so skipping root file system

  [    3.310173] EXT4-fs (vda1): INFO: recovery required on readonly
  filesystem

  [    3.311654] EXT4-fs (vda1): write access will be enabled during
  recovery

  [    5.419286] blk_update_request: I/O error, dev vda, sector 2048

  [    5.420745] Buffer I/O error on dev vda1, logical block 0, lost
  async page write

  [    5.422560] Buffer I/O error on dev vda1, logical block 1, lost
  async page write

  [    5.436351] blk_update_request: I/O error, dev vda, sector 3080

  [    5.437718] Buffer I/O error on dev vda1, logical block 129, lost
  async page write

  [    5.439603] Buffer I/O error on dev vda1, logical block 130, lost
  async page write

  [    5.441540] Buffer I/O error on dev vda1, logical block 131, lost
  async page write

  [    5.443487] Buffer I/O error on dev vda1, logical block 132, lost
  async page write

  [    5.445412] Buffer I/O error on dev vda1, logical block 133, lost
  async page write

  [    5.447183] Buffer I/O error on dev vda1, logical block 134, lost
  async page write

  [    5.454432] blk_update_request: I/O error, dev vda, sector 3136

  [    5.456074] Buffer I/O error on dev vda1, logical block 136, lost
  async page write

  [    5.464320] blk_update_request: I/O error, dev vda, sector 3176

  [    5.465891] Buffer I/O error on dev vda1, logical block 141, lost
  async page write

  [    5.481109] blk_update_request: I/O error, dev vda, sector 3208

  [    5.500706] blk_update_request: I/O error, dev vda, sector 3232

  [    5.515074] blk_update_request: I/O error, dev vda, sector 3424

  [    5.532104] blk_update_request: I/O error, dev vda, sector 3504

  [    5.547614] blk_update_request: I/O error, dev vda, sector 3632

  [    5.557725] blk_update_request: I/O error, dev vda, sector 4072

  [    6.726649] JBD2: recovery failed

  [    6.727554] EXT4-fs (vda1): error loading journal

  [    6.732916] VFS: Dirty inode writeback failed for block device vda1
  (err=-5).

  mount: mounting /dev/vda1 on /root failed: Input/output error

  done.

  Begin: Running /scripts/local-bottom ... done.

  Begin: Running /scripts/init-bottom ... mount: mounting /dev on
  /root/dev failed: No such file or directory

  done.

  mount: mounting /run on /root/run failed: No such file or directory

  run-init: current directory on the same filesystem as the root: error
  0

  Target filesystem doesn't have requested /sbin/init.

  run-init: current directory on the same filesystem as the root: error
  0

  run-init: current directory on the same filesystem as the root: error
  0

  run-init: current directory on the same filesystem as the root: error
  0

  run-init: current directory on the same filesystem as the root: error
  0

  run-init: current directory on the same filesystem as the root: error
  0

  No init found. Try passing init= bootarg.

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