EBS卷挂载不用UUID导致的EC2实例无法正常启动的问题
Nov 15, 2019
0x00 前言
我有一台t2.micro的EC2实例，上头挂了一个EBS卷，完事有一天我给他切成t3.micro的实例，再重启实例之后就起不来了，这是啥原因导致的呢？
简单来讲原因是我在挂在EBS卷的时候，用的是文件名，不是UUID，而我切到NVME的时候，我的设备命令方式就变了，然后找不到原来那个文件名的EBS卷，所以就报错了，解决这个问题的方法也很简单，改成UUID就完事了。
0x01 问题复现
启动一台t2.micro的EC2实例，并且给他挂载一个EBS卷
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7sudo vim /etc/fstab
#
UUID=0a5c8d10-5fd5-4c87-8778-4afc3ce97dd9 / xfs defaults,noatime 1 1
/dev/xvdf /data xfs defaults,noatime 1 1
sudo mount -a挂载成功后重启实力观察下正常情况下系统日志的输出
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852[ 0.000000] Linux version 4.14.146-120.181.amzn2.x86_64 (mockbuild@ip-10-0-1-243) (gcc version 7.3.1 20180712 (Red Hat 7.3.1-6) (GCC)) #1 SMP Fri Oct 18 17:01:06 UTC 2019
[ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-4.14.146-120.181.amzn2.x86_64 root=UUID=0a5c8d10-5fd5-4c87-8778-4afc3ce97dd9 ro console=tty0 console=ttyS0,115200n8 net.ifnames=0 biosdevname=0 nvme_core.io_timeout=4294967295 rd.emergency=poweroff rd.shell=0
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
[ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256
[ 0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format.
[ 0.000000] e820: BIOS-provided physical RAM map:
[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009dfff] usable
[ 0.000000] BIOS-e820: [mem 0x000000000009e000-0x000000000009ffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000000e0000-0x00000000000fffff] reserved
[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000003fffffff] usable
[ 0.000000] BIOS-e820: [mem 0x00000000fc000000-0x00000000ffffffff] reserved
[ 0.000000] NX (Execute Disable) protection: active
[ 0.000000] SMBIOS 2.7 present.
[ 0.000000] DMI: Xen HVM domU, BIOS 4.2.amazon 08/24/2006
[ 0.000000] Hypervisor detected: Xen HVM
[ 0.000000] Xen version 4.2.
[ 0.000000] Netfront and the Xen platform PCI driver have been compiled for this kernel: unplug emulated NICs.
[ 0.000000] Blkfront and the Xen platform PCI driver have been compiled for this kernel: unplug emulated disks.
[ 0.000000] You might have to change the root device
[ 0.000000] from /dev/hd[a-d] to /dev/xvd[a-d]
[ 0.000000] in your root= kernel command line option
[ 0.000000] tsc: Fast TSC calibration using PIT
[ 0.000000] e820: last_pfn = 0x40000 max_arch_pfn = 0x400000000
[ 0.000000] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT
[ 0.000000] found SMP MP-table at [mem 0x000fbc50-0x000fbc5f]
[ 0.000000] Scanning 1 areas for low memory corruption
[ 0.000000] RAMDISK: [mem 0x3442e000-0x3620efff]
[ 0.000000] ACPI: Early table checksum verification disabled
[ 0.000000] ACPI: RSDP 0x00000000000EA020 000024 (v02 Xen )
[ 0.000000] ACPI: XSDT 0x00000000FC00E2A0 000054 (v01 Xen HVM 00000000 HVML 00000000)
[ 0.000000] ACPI: FACP 0x00000000FC00DF60 0000F4 (v04 Xen HVM 00000000 HVML 00000000)
[ 0.000000] ACPI: DSDT 0x00000000FC0021C0 00BD19 (v02 Xen HVM 00000000 INTL 20090123)
[ 0.000000] ACPI: FACS 0x00000000FC002180 000040
[ 0.000000] ACPI: FACS 0x00000000FC002180 000040
[ 0.000000] ACPI: APIC 0x00000000FC00E060 0000D8 (v02 Xen HVM 00000000 HVML 00000000)
[ 0.000000] ACPI: HPET 0x00000000FC00E1B0 000038 (v01 Xen HVM 00000000 HVML 00000000)
[ 0.000000] ACPI: WAET 0x00000000FC00E1F0 000028 (v01 Xen HVM 00000000 HVML 00000000)
[ 0.000000] ACPI: SSDT 0x00000000FC00E220 000031 (v02 Xen HVM 00000000 INTL 20090123)
[ 0.000000] ACPI: SSDT 0x00000000FC00E260 000033 (v02 Xen HVM 00000000 INTL 20090123)
[ 0.000000] No NUMA configuration found
[ 0.000000] Faking a node at [mem 0x0000000000000000-0x000000003fffffff]
[ 0.000000] NODE_DATA(0) allocated [mem 0x3ffde000-0x3fffffff]
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff]
[ 0.000000] DMA32 [mem 0x0000000001000000-0x000000003fffffff]
[ 0.000000] Normal empty
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000000001000-0x000000000009dfff]
[ 0.000000] node 0: [mem 0x0000000000100000-0x000000003fffffff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff]
[ 0.000000] ACPI: PM-Timer IO Port: 0xb008
[ 0.000000] IOAPIC[0]: apic_id 1, version 17, address 0xfec00000, GSI 0-47
[ 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 low level)
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 low level)
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 low level)
[ 0.000000] Using ACPI (MADT) for SMP configuration information
[ 0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000
[ 0.000000] smpboot: Allowing 15 CPUs, 14 hotplug CPUs
[ 0.000000] PM: Registered nosave memory: [mem 0x00000000-0x00000fff]
[ 0.000000] PM: Registered nosave memory: [mem 0x0009e000-0x0009ffff]
[ 0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000dffff]
[ 0.000000] PM: Registered nosave memory: [mem 0x000e0000-0x000fffff]
[ 0.000000] e820: [mem 0x40000000-0xfbffffff] available for PCI devices
[ 0.000000] Booting paravirtualized kernel on Xen HVM
[ 0.000000] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645519600211568 ns
[ 0.000000] random: get_random_bytes called from start_kernel+0x94/0x4c8 with crng_init=0
[ 0.000000] setup_percpu: NR_CPUS:8192 nr_cpumask_bits:15 nr_cpu_ids:15 nr_node_ids:1
[ 0.000000] percpu: Embedded 44 pages/cpu s140504 r8192 d31528 u262144
[ 0.000000] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes)
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 257928
[ 0.000000] Policy zone: DMA32
[ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.14.146-120.181.amzn2.x86_64 root=UUID=0a5c8d10-5fd5-4c87-8778-4afc3ce97dd9 ro console=tty0 console=ttyS0,115200n8 net.ifnames=0 biosdevname=0 nvme_core.io_timeout=4294967295 rd.emergency=poweroff rd.shell=0
[ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
[ 0.000000] Memory: 971264K/1048180K available (10252K kernel code, 1956K rwdata, 2764K rodata, 2084K init, 3924K bss, 76916K reserved, 0K cma-reserved)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=15, Nodes=1
[ 0.000000] Kernel/User page tables isolation: enabled
[ 0.000000] ftrace: allocating 26556 entries in 104 pages
[ 0.004000] Hierarchical RCU implementation.
[ 0.004000] RCU restricting CPUs from NR_CPUS=8192 to nr_cpu_ids=15.
[ 0.004000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=15
[ 0.004000] NR_IRQS: 524544, nr_irqs: 952, preallocated irqs: 16
[ 0.004000] xen:events: Using 2-level ABI
[ 0.004000] xen:events: Xen HVM callback vector for event delivery is enabled
[ 0.004000] Console: colour VGA+ 80x25
[ 0.004000] console [tty0] enabled
[ 0.004000] Cannot get hvm parameter CONSOLE_EVTCHN (18): -22!
[ 0.004000] console [ttyS0] enabled
[ 0.004000] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 30580167144 ns
[ 0.008000] tsc: Fast TSC calibration using PIT
[ 0.024004] tsc: Detected 2399.992 MHz processor
[ 0.028009] Calibrating delay loop (skipped), value calculated using timer frequency.. 4800.06 BogoMIPS (lpj=9600128)
[ 0.036006] pid_max: default: 32768 minimum: 301
[ 0.040022] ACPI: Core revision 20170728
[ 0.048484] ACPI: 3 ACPI AML tables successfully acquired and loaded
[ 0.052032] Security Framework initialized
[ 0.056009] SELinux: Initializing.
[ 0.060200] Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes)
[ 0.064088] Inode-cache hash table entries: 65536 (order: 7, 524288 bytes)
[ 0.080026] Mount-cache hash table entries: 2048 (order: 2, 16384 bytes)
[ 0.084009] Mountpoint-cache hash table entries: 2048 (order: 2, 16384 bytes)
[ 0.092248] mce: CPU supports 2 MCE banks
[ 0.096029] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024
[ 0.100005] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4
[ 0.108004] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization
[ 0.116004] Spectre V2 : Mitigation: Full generic retpoline
[ 0.120002] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch
[ 0.128004] Speculative Store Bypass: Vulnerable
[ 0.132029] MDS: Vulnerable: Clear CPU buffers attempted, no microcode
[ 0.145583] smpboot: Max logical packages: 15
[ 0.148775] x2apic: IRQ remapping doesn't support X2APIC mode
[ 0.152006] Switched APIC routing to physical flat.
[ 0.162551] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=0 pin2=0
[ 0.207295] clocksource: xen: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
[ 0.216018] installing Xen timer for CPU 0
[ 0.224085] smpboot: CPU0: Intel(R) Xeon(R) CPU E5-2676 v3 @ 2.40GHz (family: 0x6, model: 0x3f, stepping: 0x2)
[ 0.228037] cpu 0 spinlock event irq 53
[ 0.231750] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only.
[ 0.232060] Hierarchical SRCU implementation.
[ 0.236243] NMI watchdog: Perf event create on CPU 0 failed with -2
[ 0.240008] NMI watchdog: Perf NMI watchdog permanently disabled
[ 0.244213] smp: Bringing up secondary CPUs ...
[ 0.248007] smp: Brought up 1 node, 1 CPU
[ 0.252008] smpboot: Total of 1 processors activated (4800.06 BogoMIPS)
[ 0.256471] devtmpfs: initialized
[ 0.260050] x86/mm: Memory block size: 128MB
[ 0.264237] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
[ 0.268021] futex hash table entries: 4096 (order: 6, 262144 bytes)
[ 0.272259] NET: Registered protocol family 16
[ 0.276269] cpuidle: using governor ladder
[ 0.280008] cpuidle: using governor menu
[ 0.284064] ACPI: bus type PCI registered
[ 0.288006] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
[ 0.292579] PCI: Using configuration type 1 for base access
[ 0.299224] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages
[ 0.300281] ACPI: Added _OSI(Module Device)
[ 0.304015] ACPI: Added _OSI(Processor Device)
[ 0.308008] ACPI: Added _OSI(3.0 _SCP Extensions)
[ 0.312008] ACPI: Added _OSI(Processor Aggregator Device)
[ 0.319174] ACPI: Interpreter enabled
[ 0.320022] ACPI: (supports S0 S4 S5)
[ 0.323782] ACPI: Using IOAPIC for interrupt routing
[ 0.324053] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[ 0.328506] ACPI: Enabled 2 GPEs in block 00 to 0F
[ 0.392237] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[ 0.396022] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI]
[ 0.400032] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM
[ 0.404028] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge.
[ 0.409269] acpiphp: Slot [0] registered
[ 0.413608] acpiphp: Slot [3] registered
[ 0.416549] acpiphp: Slot [4] registered
[ 0.420512] acpiphp: Slot [5] registered
[ 0.424617] acpiphp: Slot [6] registered
[ 0.428585] acpiphp: Slot [7] registered
[ 0.432470] acpiphp: Slot [8] registered
[ 0.436475] acpiphp: Slot [9] registered
[ 0.440645] acpiphp: Slot [10] registered
[ 0.444488] acpiphp: Slot [11] registered
[ 0.448440] acpiphp: Slot [12] registered
[ 0.452750] acpiphp: Slot [13] registered
[ 0.456479] acpiphp: Slot [14] registered
[ 0.460658] acpiphp: Slot [15] registered
[ 0.464563] acpiphp: Slot [16] registered
[ 0.468527] acpiphp: Slot [17] registered
[ 0.472699] acpiphp: Slot [18] registered
[ 0.476535] acpiphp: Slot [19] registered
[ 0.480590] acpiphp: Slot [20] registered
[ 0.484559] acpiphp: Slot [21] registered
[ 0.488634] acpiphp: Slot [22] registered
[ 0.492585] acpiphp: Slot [23] registered
[ 0.496617] acpiphp: Slot [24] registered
[ 0.500665] acpiphp: Slot [25] registered
[ 0.504609] acpiphp: Slot [26] registered
[ 0.508604] acpiphp: Slot [27] registered
[ 0.512593] acpiphp: Slot [28] registered
[ 0.516610] acpiphp: Slot [29] registered
[ 0.520769] acpiphp: Slot [30] registered
[ 0.524763] acpiphp: Slot [31] registered
[ 0.528510] PCI host bridge to bus 0000:00
[ 0.532013] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window]
[ 0.536008] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window]
[ 0.540012] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
[ 0.544011] pci_bus 0000:00: root bus resource [mem 0xf0000000-0xfbffffff window]
[ 0.548008] pci_bus 0000:00: root bus resource [bus 00-ff]
[ 0.563133] pci 0000:00:01.1: legacy IDE quirk: reg 0x10: [io 0x01f0-0x01f7]
[ 0.564011] pci 0000:00:01.1: legacy IDE quirk: reg 0x14: [io 0x03f6]
[ 0.568011] pci 0000:00:01.1: legacy IDE quirk: reg 0x18: [io 0x0170-0x0177]
[ 0.572009] pci 0000:00:01.1: legacy IDE quirk: reg 0x1c: [io 0x0376]
[ 0.577068] * Found PM-Timer Bug on the chipset. Due to workarounds for a bug,
[ 0.577068] * this clock source is slow. Consider trying other clock sources
[ 0.582449] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI
[ 0.595144] ACPI: PCI Interrupt Link [LNKA] (IRQs *5 10 11)
[ 0.596292] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11)
[ 0.600321] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11)
[ 0.604290] ACPI: PCI Interrupt Link [LNKD] (IRQs *5 10 11)
[ 0.633199] xen:balloon: Initialising balloon driver
[ 0.644177] pci 0000:00:02.0: vgaarb: setting as boot VGA device
[ 0.648000] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
[ 0.648029] pci 0000:00:02.0: vgaarb: bridge control possible
[ 0.652006] vgaarb: loaded
[ 0.655639] EDAC MC: Ver: 3.0.0
[ 0.656842] PCI: Using ACPI for IRQ routing
[ 0.660747] NetLabel: Initializing
[ 0.664011] NetLabel: domain hash size = 128
[ 0.667875] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO
[ 0.668026] NetLabel: unlabeled traffic allowed by default
[ 0.672276] HPET: 3 timers in total, 0 timers will be used for per-cpu timer
[ 0.676029] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0
[ 0.680013] hpet0: 3 comparators, 64-bit 62.500000 MHz counter
[ 0.686136] clocksource: Switched to clocksource xen
[ 0.696694] VFS: Disk quotas dquot_6.6.0
[ 0.700953] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[ 0.707397] pnp: PnP ACPI init
[ 0.715950] system 00:00: [mem 0x00000000-0x0009ffff] could not be reserved
[ 0.722553] system 00:01: [io 0x08a0-0x08a3] has been reserved
[ 0.727607] system 00:01: [io 0x0cc0-0x0ccf] has been reserved
[ 0.732911] system 00:01: [io 0x04d0-0x04d1] has been reserved
[ 0.738812] system 00:07: [io 0x10c0-0x1141] has been reserved
[ 0.744676] system 00:07: [io 0xb044-0xb047] has been reserved
[ 0.774604] pnp: PnP ACPI: found 8 devices
[ 0.778540] random: fast init done
[ 0.788760] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
[ 0.796873] NET: Registered protocol family 2
[ 0.808201] TCP established hash table entries: 8192 (order: 4, 65536 bytes)
[ 0.814540] TCP bind hash table entries: 8192 (order: 5, 131072 bytes)
[ 0.821525] TCP: Hash tables configured (established 8192 bind 8192)
[ 0.827460] UDP hash table entries: 512 (order: 2, 16384 bytes)
[ 0.832896] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
[ 0.838546] NET: Registered protocol family 1
[ 0.842668] pci 0000:00:00.0: Limiting direct PCI/PCI transfers
[ 0.848363] pci 0000:00:01.0: PIIX3: Enabling Passive Release
[ 0.853616] pci 0000:00:01.0: Activating ISA DMA hang workarounds
[ 0.859531] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
[ 0.867703] Unpacking initramfs...
[ 0.947346] Freeing initrd memory: 30596K
[ 0.951902] Scanning for low memory corruption every 60 seconds
[ 0.962945] audit: initializing netlink subsys (disabled)
[ 0.968085] Initialise system trusted keyrings
[ 0.972699] Key type blacklist registered
[ 0.977000] audit: type=2000 audit(1573718998.226:1): state=initialized audit_enabled=0 res=1
[ 0.985302] workingset: timestamp_bits=36 max_order=18 bucket_order=0
[ 0.992262] zbud: loaded
[ 1.161369] Key type asymmetric registered
[ 1.167563] Asymmetric key parser 'x509' registered
[ 1.172109] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
[ 1.179241] io scheduler noop registered (default)
[ 1.183614] io scheduler cfq registered
[ 1.187568] crc32: CRC_LE_BITS = 64, CRC_BE BITS = 64
[ 1.192177] crc32: self tests passed, processed 225944 bytes in 162812 nsec
[ 1.200974] crc32c: CRC_LE_BITS = 64
[ 1.205404] crc32c: self tests passed, processed 225944 bytes in 81046 nsec
[ 1.226844] crc32_combine: 8373 self tests passed
[ 1.246791] crc32c_combine: 8373 self tests passed
[ 1.253272] xen:grant_table: Grant tables using version 1 layout
[ 1.260474] Grant table initialized
[ 1.265109] Cannot get hvm parameter CONSOLE_EVTCHN (18): -22!
[ 1.271788] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
[ 1.317085] 00:06: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
[ 1.328869] xen_netfront: Initialising Xen virtual ethernet driver
[ 1.342601] i8042: PNP: PS/2 Controller [PNP0303:PS2K,PNP0f13:PS2M] at 0x60,0x64 irq 1,12
[ 1.354532] serio: i8042 KBD port at 0x60,0x64 irq 1
[ 1.359648] serio: i8042 AUX port at 0x60,0x64 irq 12
[ 1.366331] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input0
[ 1.375854] rtc_cmos 00:02: rtc core: registered rtc_cmos as rtc0
[ 1.382863] rtc_cmos 00:02: alarms up to one day, 114 bytes nvram, hpet irqs
[ 1.390281] hidraw: raw HID events driver (C) Jiri Kosina
[ 1.396556] NET: Registered protocol family 17
[ 1.402307] sched_clock: Marking stable (1401935491, 0)->(2454683182, -1052747691)
[ 1.411635] registered taskstats version 1
[ 1.416047] Loading compiled-in X.509 certificates
[ 1.423184] Loaded X.509 cert 'Build time autogenerated kernel key: 6299c6d6e1a24aa79e34ed5acce2ba03c8deb4ff'
[ 1.432288] zswap: loaded using pool lzo/zbud
[ 1.437475] ima: No TPM chip found, activating TPM-bypass! (rc=-19)
[ 1.444989] ima: Allocated hash algorithm: sha1
[ 1.552123] xenbus_probe_frontend: Device with no driver: device/vbd/51712
[ 1.559071] xenbus_probe_frontend: Device with no driver: device/vbd/51792
[ 1.567078] rtc_cmos 00:02: setting system clock to 2019-11-14 08:09:59 UTC (1573718999)
[ 1.581280] Freeing unused kernel memory: 2084K
[ 1.592094] Write protecting the kernel read-only data: 16384k
[ 1.598397] Freeing unused kernel memory: 2016K
[ 1.607024] Freeing unused kernel memory: 1332K
[ 1.651713] systemd[1]: Inserted module 'autofs4'
[ 1.669143] NET: Registered protocol family 10
[ 1.676087] Segment Routing with IPv6
[ 1.680505] systemd[1]: Inserted module 'ipv6'
[ 1.687065] random: systemd: uninitialized urandom read (16 bytes read)
[ 1.696111] random: systemd: uninitialized urandom read (16 bytes read)
[ 1.702360] random: systemd: uninitialized urandom read (16 bytes read)
[ 1.710275] systemd[1]: systemd 219 running in system mode. (+PAM +AUDIT +SELINUX +IMA -APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 -SECCOMP +BLKID +ELFUTILS +KMOD +IDN)
[ 1.744832] systemd[1]: Detected virtualization xen.
[ 1.749375] systemd[1]: Detected architecture x86-64.
[ 1.753604] systemd[1]: Running in initial RAM disk.
Welcome to [0;34mAmazon Linux 2 dracut-033-535.amzn2.1.3 (Initramfs)[0m!
[ 1.763333] systemd[1]: No hostname configured.
[ 1.770334] systemd[1]: Set hostname to <localhost>.
[ 1.777607] systemd[1]: Initializing machine ID from random generator.
[[32m OK [0m] Reached target Local File Systems.
[ 1.816024] systemd[1]: Reached target Local File Systems.
[ 1.821089] systemd[1]: Starting Local File Systems.
[[32m OK [0m] Reached target Timers.
[ 1.829223] systemd[1]: Reached target Timers.
[[32m OK [0m] Reached target Swap.
[[32m OK [0m] Reached target Local Encrypted Volumes.
[[32m OK [0m] Created slice Root Slice.
[[32m OK [0m] Listening on udev Control Socket.
[[32m OK [0m] Listening on udev Kernel Socket.
[[32m OK [0m] Created slice System Slice.
[[32m OK [0m] Reached target Slices.
[[32m OK [0m] Listening on Journal Socket.
Starting Setup Virtual Console...
Starting Create list of required st... nodes for the current kernel...
[[32m OK [0m] Reached target Sockets.
Starting Journal Service...
Starting dracut cmdline hook...
Starting Apply Kernel Variables...
[[32m OK [0m] Started Setup Virtual Console.
[[32m OK [0m] Started Create list of required sta...ce nodes for the current kernel.
[ 1.952087] tsc: Refined TSC clocksource calibration: 2399.999 MHz
[ 1.957717] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x2298364cab5, max_idle_ns: 440795214892 ns
[[32m OK [0m] Started Apply Kernel Variables.
[[32m OK [0m] Started Journal Service.
Starting Create Static Device Nodes in /dev...
[[32m OK [0m] Started Create Static Device Nodes in /dev.
[[32m OK [0m] Started dracut cmdline hook.
Starting dracut pre-udev hook...
[ 2.069351] device-mapper: uevent: version 1.0.3
[ 2.075197] device-mapper: ioctl: 4.37.0-ioctl (2017-09-20) initialised: [email protected]
[[32m OK [0m] Started dracut pre-udev hook.
Starting udev Kernel Device Manager...
[[32m OK [0m] Started udev Kernel Device Manager.
Starting dracut pre-trigger hook...
[[32m OK [0m] Started dracut pre-trigger hook.
Starting udev Coldplug all Devices...
[[32m OK [0m] Started udev Coldplug all Devices.
Starting dracut initqueue hook...
[[32m OK [0m] Reached target System Initialization.
Starting Show Plymouth Boot Screen...
[[32m OK [0m] Started Show Plymouth Boot Screen.
[[32m OK [0m] Reached target Paths.
[[32m OK [0m] Reached target Basic System.
[ 2.338572] SCSI subsystem initialized
[ 2.360522] Invalid max_queues (4), will use default max: 1.
[ 2.384475] AVX2 version of gcm_enc/dec engaged.
[ 2.388424] AES CTR mode by8 optimization enabled
%G[ 2.398122] scsi host0: ata_piix
[ 2.402460] scsi host1: ata_piix
[ 2.406206] ata1: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc100 irq 14
[ 2.413347] ata2: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc108 irq 15
[ 2.487354] blkfront: xvda: barrier or flush: disabled; persistent grants: disabled; indirect descriptors: enabled;
[ 2.501223] alg: No test for pcbc(aes) (pcbc-aes-aesni)
[ 2.515176] xvda: xvda1
[ 2.526801] blkfront: xvdf: barrier or flush: disabled; persistent grants: disabled; indirect descriptors: enabled;
[[32m OK [0m] Found device /dev/disk/by-uuid/0a5c8d10-5fd5-4c87-8778-4afc3ce97dd9.
Starting File System Check on /dev/...0-5fd5-4c87-8778-4afc3ce97dd9...
[[32m OK [0m] Started dracut initqueue hook.
[[32m OK [0m] Reached target Remote File Systems (Pre).
[[32m OK [0m] Reached target Remote File Systems.
Starting dracut pre-mount hook...
[[32m OK [0m] Started File System Check on /dev/d...d10-5fd5-4c87-8778-4afc3ce97dd9.
[[32m OK [0m] Started dracut pre-mount hook.
Mounting /sysroot...
[ 2.743138] SGI XFS with ACLs, security attributes, no debug enabled
[ 2.751297] XFS (xvda1): Mounting V5 Filesystem
[ 3.068566] XFS (xvda1): Ending clean mount
[[32m OK [0m] Mounted /sysroot.
[[32m OK [0m] Reached target Initrd Root File System.
Starting Reload Configuration from the Real Root...
[[32m OK [0m] Started Reload Configuration from the Real Root.
[[32m OK [0m] Reached target Initrd File Systems.
[[32m OK [0m] Reached target Initrd Default Target.
Starting dracut pre-pivot and cleanup hook...
[[32m OK [0m] Started dracut pre-pivot and cleanup hook.
Starting Cleaning Up and Shutting Down Daemons...
[[32m OK [0m] Stopped Cleaning Up and Shutting Down Daemons.
[[32m OK [0m] Stopped dracut pre-pivot and cleanup hook.
Stopping dracut pre-pivot and cleanup hook...
[[32m OK [0m] Stopped target Remote File Systems.
[[32m OK [0m] Stopped target Timers.
[[32m OK [0m] Stopped dracut pre-mount hook.
Stopping dracut pre-mount hook...
[[32m OK [0m] Stopped target Remote File Systems (Pre).
[[32m OK [0m] Stopped dracut initqueue hook.
Stopping dracut initqueue hook...
Starting Plymouth switch root service...
[[32m OK [0m] Stopped target Initrd Default Target.
[[32m OK [0m] Stopped target Basic System.
[[32m OK [0m] Stopped target Paths.
[[32m OK [0m] Stopped target Sockets.
[[32m OK [0m] Stopped target System Initialization.
[[32m OK [0m] Stopped target Local File Systems.
[[32m OK [0m] Stopped target Swap.
[[32m OK [0m] Stopped target Local Encrypted Volumes.
[[32m OK [0m] Stopped udev Coldplug all Devices.
Stopping udev Coldplug all Devices...
[[32m OK [0m] Stopped dracut pre-trigger hook.
Stopping dracut pre-trigger hook...
Stopping udev Kernel Device Manager...
[[32m OK [0m] Stopped Apply Kernel Variables.
Stopping Apply Kernel Variables...
[[32m OK [0m] Stopped target Slices.
[[32m OK [0m] Stopped udev Kernel Device Manager.
[[32m OK [0m] Stopped Create Static Device Nodes in /dev.
Stopping Create Static Device Nodes in /dev...
[[32m OK [0m] Stopped Create list of required sta...ce nodes for the current kernel.
Stopping Create list of required st... nodes for the current kernel...
[[32m OK [0m] Stopped dracut pre-udev hook.
Stopping dracut pre-udev hook...
[[32m OK [0m] Stopped dracut cmdline hook.
Stopping dracut cmdline hook...
[[32m OK [0m] Closed udev Control Socket.
[[32m OK [0m] Closed udev Kernel Socket.
Starting Cleanup udevd DB...
[[32m OK [0m] Started Cleanup udevd DB.
[[32m OK [0m] Reached target Switch Root.
[[32m OK [0m] Started Plymouth switch root service.
Starting Switch Root...
[ 3.461464] systemd-journald[935]: Received SIGTERM from PID 1 (systemd).
[ 3.490373] systemd: 28 output lines suppressed due to ratelimiting
[ 3.578935] SELinux: Disabled at runtime.
[ 3.592118] audit: type=1404 audit(1573719001.524:2): selinux=0 auid=4294967295 ses=4294967295
[ 3.629245] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 3.636968] systemd[1]: Inserted module 'ip_tables'
Welcome to [0;33mAmazon Linux 2[0m!
[[32m OK [0m] Stopped Switch Root.
[[32m OK [0m] Stopped Journal Service.
Starting Journal Service...
[[32m OK [0m] Created slice system-getty.slice.
Mounting Huge Pages File System...
Mounting Debug File System...
Starting Create list of required st... nodes for the current kernel...
[[32m OK [0m] Created slice system-serial\x2dgetty.slice.
[[32m OK [0m] Set up automount Arbitrary Executab...ats File System Automount Point.
[[32m OK [0m] Listening on /dev/initctl Compatibility Named Pipe.
[[32m OK [0m] Listening on udev Control Socket.
Starting Remount Root and Kernel File Systems...
[[32m OK [0m] Created slice User and Session Slice.
[[32m OK [0m] Reached target Slices.
[[32m OK [0m] Created slice system-selinux\x2dpol...grate\x2dlocal\x2dchanges.slice.
[[32m OK [0m] Listening on LVM2 metadata daemon socket.
[[32m OK [0m] Listening on Delayed Shutdown Socket.
[[32m OK [0m] Listening on LVM2 poll daemon socket.
[[32m OK [0m] Reached target Paths.
Starting Load Kernel Modules...
[[32m OK [0m] Listening on Device-mapper event daemon FIFOs.
[ 3.975370] ena: Elastic Network Adapter (ENA) v2.1.1g
[ 4.021973] systemd-journald[1935]: Received request to flush runtime journal from PID 1
Starting Monitoring of LVM2 mirrors... dmeventd or progress polling...
[[32m OK [0m] Reached target Swap.
[[32m OK [0m] Stopped target Switch Root.
[[32m OK [0m] Stopped target Initrd File Systems.
[[32m OK [0m] Stopped target Initrd Root File System.
Mounting POSIX Message Queue File System...
[[32m OK [0m] Created slice system-systemd\x2dfsck.slice.
[[32m OK [0m] Listening on udev Kernel Socket.
[[32m OK [0m] Mounted Debug File System.
[[32m OK [0m] Mounted Huge Pages File System.
[[32m OK [0m] Started Journal Service.
[[32m OK [0m] Started Create list of required sta...ce nodes for the current kernel.
[[32m OK [0m] Started Remount Root and Kernel File Systems.
Starting udev Coldplug all Devices...
Starting Load/Save Random Seed...
Starting Create Static Device Nodes in /dev...
Starting Flush Journal to Persistent Storage...
[[32m OK [0m] Mounted POSIX Message Queue File System.
[[32m OK [0m] Started Load Kernel Modules.
[[32m OK [0m] Started Load/Save Random Seed.
[[32m OK [0m] Started LVM2 metadata daemon.
Starting LVM2 metadata daemon...
Starting Apply Kernel Variables...
[[32m OK [0m] Started Create Static Device Nodes in /dev.
Starting udev Kernel Device Manager...
[[32m OK [0m] Started Apply Kernel Variables.
[[32m OK [0m] Started udev Coldplug all Devices.
Starting udev Wait for Complete Device Initialization...
[ 4.374754] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3
[ 4.377891] ACPI: Power Button [PWRF]
[ 4.377940] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input4
[ 4.377949] ACPI: Sleep Button [SLPF]
[ 4.457594] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input5
[ 4.502536] mousedev: PS/2 mouse device common for all mice
[ 4.534600] EDAC sbridge: Seeking for: PCI ID 8086:2fa0
[ 4.534603] EDAC sbridge: Ver: 1.1.2
[[32m OK [0m] Started udev Kernel Device Manager.
[[32m OK [0m] Started Flush Journal to Persistent Storage.
%G[[32m OK [0m] Found device /dev/ttyS0.
[[32m OK [0m] Created slice system-ec2net\x2difup.slice.
[[32m OK [0m] Found device /dev/xvdf.
[[32m OK [0m] Started udev Wait for Complete Device Initialization.
Starting Activation of DM RAID sets...
[[32m OK [0m] Started Activation of DM RAID sets.
[[32m OK [0m] Reached target Local Encrypted Volumes.
[[32m OK [0m] Started Monitoring of LVM2 mirrors,...ng dmeventd or progress polling.
[[32m OK [0m] Reached target Local File Systems (Pre).
Starting File System Check on /dev/xvdf...
[ 4.732438] systemd-fsck[2634]: /usr/sbin/fsck.xfs: XFS file system.
[[32m OK [0m] Started File System Check on /dev/xvdf.
Mounting /data...
[ 4.759156] XFS (xvdf): Mounting V5 Filesystem
[ 4.780691] XFS (xvdf): Ending clean mount
[[32m OK [0m] Mounted /data.
[[32m OK [0m] Reached target Local File Systems.
Starting Preprocess NFS configuration...
Starting Create Volatile Files and Directories...
Starting Tell Plymouth To Write Out Runtime Data...
[[32m OK [0m] Started Preprocess NFS configuration.
[[32m OK [0m] Started Create Volatile Files and Directories.
Mounting RPC Pipe File System...
Starting Security Auditing Service...
[ 4.891999] RPC: Registered named UNIX socket transport module.
[ 4.891999] RPC: Registered udp transport module.
[ 4.892000] RPC: Registered tcp transport module.
[ 4.892000] RPC: Registered tcp NFSv4.1 backchannel transport module.
[[32m OK [0m] Mounted RPC Pipe File System.
[[32m OK [0m] Reached target rpc_pipefs.target.
[[32m OK [0m] Started Tell Plymouth To Write Out Runtime Data.
[[32m OK [0m] Started Security Auditing Service.
Starting Update UTMP about System Boot/Shutdown...
[[32m OK [0m] Started Update UTMP about System Boot/Shutdown.
[[32m OK [0m] Reached target System Initialization.
[[32m OK [0m] Listening on D-Bus System Message Bus Socket.
[[32m OK [0m] Reached target Timers.
[[32m OK [0m] Listening on RPCbind Server Activation Socket.
Starting RPC bind service...
[[32m OK [0m] Reached target Sockets.
[ 5.106374] random: crng init done
[ 5.112685] random: 7 urandom warning(s) missed due to ratelimiting
[[32m OK [0m] Reached target Basic System.
Starting ACPI Event Daemon...
Starting Resets System Activity Logs...
[[32m OK [0m] Started Hardware RNG Entropy Gatherer Daemon.
Starting Hardware RNG Entropy Gatherer Daemon...
[[32m OK [0m] Started libstoragemgmt plug-in server daemon.
Starting libstoragemgmt plug-in server daemon...
[[32m OK [0m] Started D-Bus System Message Bus.
Starting D-Bus System Message Bus...
Starting Initial cloud-init job (pre-networking)...
Starting Login Service...
[[32m OK [0m] Started irqbalance daemon.
Starting irqbalance daemon...
Starting NTP client/server...
Starting GSSAPI Proxy Daemon...
[[32m OK [0m] Started RPC bind service.
[[32m OK [0m] Started ACPI Event Daemon.
[[32m OK [0m] Started Resets System Activity Logs.
[[32m OK [0m] Started Login Service.
[[32m OK [0m] Started GSSAPI Proxy Daemon.
[[32m OK [0m] Reached target NFS client services.
[[32m OK [0m] Reached target Remote File Systems (Pre).
[[32m OK [0m] Reached target Remote File Systems.
[[32m OK [0m] Started NTP client/server.
[ 6.110545] cloud-init[2698]: Cloud-init v. 18.5-2.amzn2 running 'init-local' at Thu, 14 Nov 2019 08:10:04 +0000. Up 6.07 seconds.
[[32m OK [0m] Started Initial cloud-init job (pre-networking).
[[32m OK [0m] Reached target Network (Pre).
Starting LSB: Bring up/down networking...
[[32m OK [0m] Started LSB: Bring up/down networking.
[[32m OK [0m] Reached target Network.
Starting Postfix Mail Transport Agent...
Starting Initial cloud-init job (metadata service crawler)...
[ 8.385484] cloud-init[3057]: Cloud-init v. 18.5-2.amzn2 running 'init' at Thu, 14 Nov 2019 08:10:06 +0000. Up 8.33 seconds.
[ 8.432184] cloud-init[3057]: ci-info: ++++++++++++++++++++++++++++++++++++++Net device info+++++++++++++++++++++++++++++++++++++++
[ 8.436977] cloud-init[3057]: ci-info: +--------+------+-----------------------------+---------------+--------+-------------------+
[ 8.437462] cloud-init[3057]: ci-info: | Device | Up | Address | Mask | Scope | Hw-Address |
[ 8.440969] cloud-init[3057]: ci-info: +--------+------+-----------------------------+---------------+--------+-------------------+
[ 8.441378] cloud-init[3057]: ci-info: | eth0 | True | 10.0.3.4 | 255.255.255.0 | global | 06:db:1b:e7:ab:1e |
[ 8.441715] cloud-init[3057]: ci-info: | eth0 | True | fe80::4db:1bff:fee7:ab1e/64 | . | link | 06:db:1b:e7:ab:1e |
[ 8.441840] cloud-init[3057]: ci-info: | lo | True | 127.0.0.1 | 255.0.0.0 | host | . |
[ 8.441959] cloud-init[3057]: ci-info: | lo | True | ::1/128 | . | host | . |
[ 8.442069] cloud-init[3057]: ci-info: +--------+------+-----------------------------+---------------+--------+-------------------+
[ 8.442187] cloud-init[3057]: ci-info: ++++++++++++++++++++++++++++++Route IPv4 info+++++++++++++++++++++++++++++++
[ 8.442301] cloud-init[3057]: ci-info: +-------+-----------------+----------+-----------------+-----------+-------+
[ 8.442418] cloud-init[3057]: ci-info: | Route | Destination | Gateway | Genmask | Interface | Flags |
[ 8.442525] cloud-init[3057]: ci-info: +-------+-----------------+----------+-----------------+-----------+-------+
[ 8.442633] cloud-init[3057]: ci-info: | 0 | 0.0.0.0 | 10.0.3.1 | 0.0.0.0 | eth0 | UG |
[ 8.442740] cloud-init[3057]: ci-info: | 1 | 10.0.3.0 | 0.0.0.0 | 255.255.255.0 | eth0 | U |
[ 8.442846] cloud-init[3057]: ci-info: | 2 | 169.254.169.254 | 0.0.0.0 | 255.255.255.255 | eth0 | UH |
[ 8.442952] cloud-init[3057]: ci-info: +-------+-----------------+----------+-----------------+-----------+-------+
[ 8.443063] cloud-init[3057]: ci-info: +++++++++++++++++++Route IPv6 info+++++++++++++++++++
[ 8.443177] cloud-init[3057]: ci-info: +-------+-------------+---------+-----------+-------+
[ 8.443293] cloud-init[3057]: ci-info: | Route | Destination | Gateway | Interface | Flags |
[ 8.443402] cloud-init[3057]: ci-info: +-------+-------------+---------+-----------+-------+
[ 8.443508] cloud-init[3057]: ci-info: | 9 | fe80::/64 | :: | eth0 | U |
[ 8.443614] cloud-init[3057]: ci-info: | 11 | local | :: | eth0 | U |
[ 8.443727] cloud-init[3057]: ci-info: | 12 | ff00::/8 | :: | eth0 | U |
[ 8.443851] cloud-init[3057]: ci-info: +-------+-------------+---------+-----------+-------+
[[32m OK [0m] Started Postfix Mail Transport Agent.
[[32m OK [0m] Started Initial cloud-init job (metadata service crawler).
Starting Permit User Sessions...
[[32m OK [0m] Reached target Cloud-config availability.
[[32m OK [0m] Reached target Network is Online.
Starting Notify NFS peers of a restart...
Starting Dynamically Generate Message Of The Day...
Starting System Logging Service...
Starting Apply the settings specified in cloud-config...
[[32m OK [0m] Started amazon-ssm-agent.
Starting amazon-ssm-agent...
Starting EC2 Instance Connect Host Key Harvesting...
[[32m OK [0m] Started Permit User Sessions.
[[32m OK [0m] Started Notify NFS peers of a restart.
Starting Terminate Plymouth Boot Screen...
[[32m OK [0m] Started Job spooling tools.
Starting Job spooling tools...
[[32m OK [0m] Started Command Scheduler.
Starting Command Scheduler...
Starting Wait for Plymouth Boot Screen to Quit...
[[32m OK [0m] Started System Logging Service.
[ 10.049503] cloud-init[3188]: Cloud-init v. 18.5-2.amzn2 running 'modules:config' at Thu, 14 Nov 2019 08:10:07 +0000. Up 9.96 seconds.
[ 10.778911] cloud-init[3321]: Cloud-init v. 18.5-2.amzn2 running 'modules:final' at Thu, 14 Nov 2019 08:10:08 +0000. Up 10.67 seconds.
[ 10.813622] cloud-init[3321]: Cloud-init v. 18.5-2.amzn2 finished at Thu, 14 Nov 2019 08:10:08 +0000. Datasource DataSourceEc2. Up 10.80 seconds
Amazon Linux 2
Kernel 4.14.146-120.181.amzn2.x86_64 on an x86_64
ip-10-0-3-4 login:然后我们给它切到t3.micro再重启看看
可以看到现在已经1/2检查失败了，然后看看系统日志的输出：1
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750[ 0.000000] Linux version 4.14.146-120.181.amzn2.x86_64 (mockbuild@ip-10-0-1-243) (gcc version 7.3.1 20180712 (Red Hat 7.3.1-6) (GCC)) #1 SMP Fri Oct 18 17:01:06 UTC 2019
[ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-4.14.146-120.181.amzn2.x86_64 root=UUID=0a5c8d10-5fd5-4c87-8778-4afc3ce97dd9 ro console=tty0 console=ttyS0,115200n8 net.ifnames=0 biosdevname=0 nvme_core.io_timeout=4294967295 rd.emergency=poweroff rd.shell=0
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers'
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR'
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x020: 'AVX-512 opmask'
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x040: 'AVX-512 Hi256'
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x080: 'AVX-512 ZMM_Hi256'
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x200: 'Protection Keys User registers'
[ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256
[ 0.000000] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64
[ 0.000000] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64
[ 0.000000] x86/fpu: xstate_offset[5]: 960, xstate_sizes[5]: 64
[ 0.000000] x86/fpu: xstate_offset[6]: 1024, xstate_sizes[6]: 512
[ 0.000000] x86/fpu: xstate_offset[7]: 1536, xstate_sizes[7]: 1024
[ 0.000000] x86/fpu: xstate_offset[9]: 2560, xstate_sizes[9]: 8
[ 0.000000] x86/fpu: Enabled xstate features 0x2ff, context size is 2568 bytes, using 'compacted' format.
[ 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 0x0000000000100000-0x000000003e3f9fff] usable
[ 0.000000] BIOS-e820: [mem 0x000000003e3fa000-0x000000003fffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e03fffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved
[ 0.000000] NX (Execute Disable) protection: active
[ 0.000000] SMBIOS 2.7 present.
[ 0.000000] DMI: Amazon EC2 t3.micro/, BIOS 1.0 10/16/2017
[ 0.000000] Hypervisor detected: KVM
[ 0.000000] tsc: Fast TSC calibration using PIT
[ 0.000000] e820: last_pfn = 0x3e3fa max_arch_pfn = 0x400000000
[ 0.000000] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT
[ 0.000000] Scanning 1 areas for low memory corruption
[ 0.000000] Using GB pages for direct mapping
[ 0.000000] RAMDISK: [mem 0x3442e000-0x3620efff]
[ 0.000000] ACPI: Early table checksum verification disabled
[ 0.000000] ACPI: RSDP 0x00000000000F8FA0 000014 (v00 AMAZON)
[ 0.000000] ACPI: RSDT 0x000000003E3FE360 00003C (v01 AMAZON AMZNRSDT 00000001 AMZN 00000001)
[ 0.000000] ACPI: FACP 0x000000003E3FFF80 000074 (v01 AMAZON AMZNFACP 00000001 AMZN 00000001)
[ 0.000000] ACPI: DSDT 0x000000003E3FE3A0 0010E9 (v01 AMAZON AMZNDSDT 00000001 AMZN 00000001)
[ 0.000000] ACPI: FACS 0x000000003E3FFF40 000040
[ 0.000000] ACPI: SSDT 0x000000003E3FF6C0 00087A (v01 AMAZON AMZNSSDT 00000001 AMZN 00000001)
[ 0.000000] ACPI: APIC 0x000000003E3FF5D0 000076 (v01 AMAZON AMZNAPIC 00000001 AMZN 00000001)
[ 0.000000] ACPI: SRAT 0x000000003E3FF530 0000A0 (v01 AMAZON AMZNSRAT 00000001 AMZN 00000001)
[ 0.000000] ACPI: SLIT 0x000000003E3FF4C0 00006C (v01 AMAZON AMZNSLIT 00000001 AMZN 00000001)
[ 0.000000] ACPI: WAET 0x000000003E3FF490 000028 (v01 AMAZON AMZNWAET 00000001 AMZN 00000001)
[ 0.000000] SRAT: PXM 0 -> APIC 0x00 -> Node 0
[ 0.000000] SRAT: PXM 0 -> APIC 0x01 -> Node 0
[ 0.000000] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x3fffffff]
[ 0.000000] NODE_DATA(0) allocated [mem 0x3e3d7000-0x3e3f8fff]
[ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00
[ 0.000000] kvm-clock: cpu 0, msr 0:3e357001, primary cpu clock
[ 0.000000] kvm-clock: using sched offset of 7141099624 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 0x0000000001000000-0x000000003e3f9fff]
[ 0.000000] Normal 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 0x0000000000100000-0x000000003e3f9fff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000003e3f9fff]
[ 0.000000] ACPI: PM-Timer IO Port: 0xb008
[ 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 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 2 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 0x40000000-0xdfffffff] 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] random: get_random_bytes called from start_kernel+0x94/0x4c8 with crng_init=0
[ 0.000000] setup_percpu: NR_CPUS:8192 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:1
[ 0.000000] percpu: Embedded 44 pages/cpu s140504 r8192 d31528 u1048576
[ 0.000000] KVM setup async PF for cpu 0
[ 0.000000] kvm-stealtime: cpu 0, msr 3e0161c0
[ 0.000000] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes)
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 250867
[ 0.000000] Policy zone: DMA32
[ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.14.146-120.181.amzn2.x86_64 root=UUID=0a5c8d10-5fd5-4c87-8778-4afc3ce97dd9 ro console=tty0 console=ttyS0,115200n8 net.ifnames=0 biosdevname=0 nvme_core.io_timeout=4294967295 rd.emergency=poweroff rd.shell=0
[ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
[ 0.000000] Memory: 944356K/1019488K available (10252K kernel code, 1956K rwdata, 2764K rodata, 2084K init, 3924K bss, 75132K reserved, 0K cma-reserved)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
[ 0.000000] Kernel/User page tables isolation: enabled
[ 0.000000] ftrace: allocating 26556 entries in 104 pages
[ 0.004000] Hierarchical RCU implementation.
[ 0.004000] RCU restricting CPUs from NR_CPUS=8192 to nr_cpu_ids=2.
[ 0.004000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
[ 0.004000] NR_IRQS: 524544, nr_irqs: 440, preallocated irqs: 16
[ 0.004000] Console: colour VGA+ 80x25
[ 0.004000] console [tty0] enabled
[ 0.004000] console [ttyS0] enabled
[ 0.004005] tsc: Detected 2499.998 MHz processor
[ 0.007380] Calibrating delay loop (skipped) preset value.. 4999.99 BogoMIPS (lpj=9999992)
[ 0.008002] pid_max: default: 32768 minimum: 301
[ 0.012006] ACPI: Core revision 20170728
[ 0.016573] ACPI: 2 ACPI AML tables successfully acquired and loaded
[ 0.020015] Security Framework initialized
[ 0.023158] SELinux: Initializing.
[ 0.024155] Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes)
[ 0.028072] Inode-cache hash table entries: 65536 (order: 7, 524288 bytes)
[ 0.032009] Mount-cache hash table entries: 2048 (order: 2, 16384 bytes)
[ 0.036005] Mountpoint-cache hash table entries: 2048 (order: 2, 16384 bytes)
[ 0.040233] mce: CPU supports 32 MCE banks
[ 0.043467] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8
[ 0.044002] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4
[ 0.048002] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization
[ 0.052003] Spectre V2 : Mitigation: Full generic retpoline
[ 0.056002] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch
[ 0.060002] Speculative Store Bypass: Vulnerable
[ 0.064024] MDS: Vulnerable: Clear CPU buffers attempted, no microcode
[ 0.068083] Freeing SMP alternatives memory: 24K
[ 0.072754] smpboot: Max logical packages: 1
[ 0.076245] x2apic enabled
[ 0.080003] Switched APIC routing to physical x2apic.
[ 0.085113] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1
[ 0.088000] smpboot: CPU0: Intel(R) Xeon(R) Platinum 8175M CPU @ 2.50GHz (family: 0x6, model: 0x55, stepping: 0x4)
[ 0.088068] Performance Events: unsupported p6 CPU model 85 no PMU driver, software events only.
[ 0.092043] Hierarchical SRCU implementation.
[ 0.095698] NMI watchdog: Perf event create on CPU 0 failed with -2
[ 0.096003] NMI watchdog: Perf NMI watchdog permanently disabled
[ 0.099984] smp: Bringing up secondary CPUs ...
[ 0.100098] x86: Booting SMP configuration:
[ 0.103305] .... node #0, CPUs: #1
[ 0.004000] kvm-clock: cpu 1, msr 0:3e357041, secondary cpu clock
[ 0.105851] KVM setup async PF for cpu 1
[ 0.107117] kvm-stealtime: cpu 1, msr 3e1161c0
[ 0.112263] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details.
[ 0.116005] smp: Brought up 1 node, 2 CPUs
[ 0.119184] smpboot: Total of 2 processors activated (9999.99 BogoMIPS)
[ 0.120359] devtmpfs: initialized
[ 0.122893] x86/mm: Memory block size: 128MB
[ 0.124138] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
[ 0.132013] futex hash table entries: 512 (order: 3, 32768 bytes)
[ 0.136116] NET: Registered protocol family 16
[ 0.140099] cpuidle: using governor ladder
[ 0.144014] cpuidle: using governor menu
[ 0.147189] ACPI: bus type PCI registered
[ 0.148006] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
[ 0.152134] PCI: Using configuration type 1 for base access
[ 0.158011] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages
[ 0.160004] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages
[ 0.164060] ACPI: Added _OSI(Module Device)
[ 0.164060] ACPI: Added _OSI(Processor Device)
[ 0.168011] ACPI: Added _OSI(3.0 _SCP Extensions)
[ 0.172006] ACPI: Added _OSI(Processor Aggregator Device)
[ 0.177191] ACPI: Interpreter enabled
[ 0.180010] ACPI: (supports S0 S4 S5)
[ 0.184008] ACPI: Using IOAPIC for interrupt routing
[ 0.188017] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[ 0.196003] ACPI: Enabled 16 GPEs in block 00 to 0F
[ 0.200023] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[ 0.204006] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI]
[ 0.208009] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM
[ 0.312008] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge.
[ 0.320313] acpiphp: Slot [3] registered
[ 0.324004] acpiphp: Slot [4] registered
[ 0.324041] acpiphp: Slot [5] registered
[ 0.328007] acpiphp: Slot [6] registered
[ 0.332038] acpiphp: Slot [7] registered
[ 0.336007] acpiphp: Slot [8] registered
[ 0.340038] acpiphp: Slot [9] registered
[ 0.343232] acpiphp: Slot [10] registered
[ 0.344038] acpiphp: Slot [11] registered
[ 0.348003] acpiphp: Slot [12] registered
[ 0.352038] acpiphp: Slot [13] registered
[ 0.356003] acpiphp: Slot [14] registered
[ 0.356038] acpiphp: Slot [15] registered
[ 0.360007] acpiphp: Slot [16] registered
[ 0.364040] acpiphp: Slot [17] registered
[ 0.368007] acpiphp: Slot [18] registered
[ 0.372038] acpiphp: Slot [19] registered
[ 0.375269] acpiphp: Slot [20] registered
[ 0.376038] acpiphp: Slot [21] registered
[ 0.380003] acpiphp: Slot [22] registered
[ 0.384039] acpiphp: Slot [23] registered
[ 0.388004] acpiphp: Slot [24] registered
[ 0.392038] acpiphp: Slot [25] registered
[ 0.395231] acpiphp: Slot [26] registered
[ 0.396037] acpiphp: Slot [27] registered
[ 0.400007] acpiphp: Slot [28] registered
[ 0.404038] acpiphp: Slot [29] registered
[ 0.408006] acpiphp: Slot [30] registered
[ 0.408038] acpiphp: Slot [31] registered
[ 0.412003] PCI host bridge to bus 0000:00
[ 0.416006] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window]
[ 0.420003] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window]
[ 0.424006] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
[ 0.432006] pci_bus 0000:00: root bus resource [mem 0x80000000-0xfebfffff window]
[ 0.436003] pci_bus 0000:00: root bus resource [bus 00-ff]
[ 0.444003] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI
[ 0.448020] pci 0000:00:01.3: quirk: [io 0xb100-0xb10f] claimed by PIIX4 SMB
[ 0.452065] pci 0000:00:01.3: PIIX4 devres E PIO at fff0-ffff
[ 0.456005] pci 0000:00:01.3: PIIX4 devres F MMIO at ffc00000-ffffffff
[ 0.460020] pci 0000:00:01.3: PIIX4 devres G PIO at fff0-ffff
[ 0.464006] pci 0000:00:01.3: PIIX4 devres H MMIO at ffc00000-ffffffff
[ 0.468020] pci 0000:00:01.3: PIIX4 devres I PIO at fff0-ffff
[ 0.472006] pci 0000:00:01.3: PIIX4 devres J PIO at fff0-ffff
[ 0.500026] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11)
[ 0.504095] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11)
[ 0.508003] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11)
[ 0.512093] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11)
[ 0.516003] ACPI: PCI Interrupt Link [LNKS] (IRQs *9)
[ 0.520396] pci 0000:00:03.0: vgaarb: setting as boot VGA device
[ 0.524000] pci 0000:00:03.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
[ 0.528009] pci 0000:00:03.0: vgaarb: bridge control possible
[ 0.531882] vgaarb: loaded
[ 0.536099] EDAC MC: Ver: 3.0.0
[ 0.540018] PCI: Using ACPI for IRQ routing
[ 0.544049] NetLabel: Initializing
[ 0.544049] NetLabel: domain hash size = 128
[ 0.548007] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO
[ 0.552003] NetLabel: unlabeled traffic allowed by default
[ 0.556122] clocksource: Switched to clocksource kvm-clock
[ 0.566513] VFS: Disk quotas dquot_6.6.0
[ 0.569636] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[ 0.573949] pnp: PnP ACPI init
[ 0.577127] pnp: PnP ACPI: found 5 devices
[ 0.586991] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
[ 0.593447] NET: Registered protocol family 2
[ 0.596827] TCP established hash table entries: 8192 (order: 4, 65536 bytes)
[ 0.601178] TCP bind hash table entries: 8192 (order: 5, 131072 bytes)
[ 0.605283] TCP: Hash tables configured (established 8192 bind 8192)
[ 0.609392] UDP hash table entries: 512 (order: 2, 16384 bytes)
[ 0.613294] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
[ 0.617337] NET: Registered protocol family 1
[ 0.620618] pci 0000:00:00.0: Limiting direct PCI/PCI transfers
[ 0.624485] pci 0000:00:01.0: Activating ISA DMA hang workarounds
[ 0.628534] pci 0000:00:03.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
[ 0.634806] Unpacking initramfs...
[ 0.709848] Freeing initrd memory: 30596K
[ 0.713066] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x240937b9988, max_idle_ns: 440795218083 ns
[ 0.720381] Scanning for low memory corruption every 60 seconds
[ 0.725642] audit: initializing netlink subsys (disabled)
[ 0.729436] audit: type=2000 audit(1573791346.804:1): state=initialized audit_enabled=0 res=1
[ 0.729734] Initialise system trusted keyrings
[ 0.739406] Key type blacklist registered
[ 0.742581] workingset: timestamp_bits=36 max_order=18 bucket_order=0
[ 0.747973] zbud: loaded
[ 0.878144] Key type asymmetric registered
[ 0.881355] Asymmetric key parser 'x509' registered
[ 0.884906] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
[ 0.890983] io scheduler noop registered (default)
[ 0.894504] io scheduler cfq registered
[ 0.897882] crc32: CRC_LE_BITS = 64, CRC_BE BITS = 64
[ 0.901483] crc32: self tests passed, processed 225944 bytes in 127555 nsec
[ 0.905982] crc32c: CRC_LE_BITS = 64
[ 0.908979] crc32c: self tests passed, processed 225944 bytes in 63858 nsec
[ 0.922989] crc32_combine: 8373 self tests passed
[ 0.936100] crc32c_combine: 8373 self tests passed
[ 0.939858] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
[ 0.971398] 00:04: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
[ 0.977896] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12
[ 0.984358] i8042: Warning: Keylock active
[ 2.152313] serio: i8042 KBD port at 0x60,0x64 irq 1
[ 2.156011] rtc_cmos 00:00: RTC can wake from S4
[ 2.159970] rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0
[ 2.164141] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram
[ 2.168217] hidraw: raw HID events driver (C) Jiri Kosina
[ 2.171981] NET: Registered protocol family 17
[ 2.175597] sched_clock: Marking stable (2175546497, 0)->(2833341676, -657795179)
[ 2.181815] registered taskstats version 1
[ 2.185058] Loading compiled-in X.509 certificates
[ 2.190503] Loaded X.509 cert 'Build time autogenerated kernel key: 6299c6d6e1a24aa79e34ed5acce2ba03c8deb4ff'
[ 2.197476] zswap: loaded using pool lzo/zbud
[ 2.200898] ima: No TPM chip found, activating TPM-bypass! (rc=-19)
[ 2.204994] ima: Allocated hash algorithm: sha1
[ 2.208792] rtc_cmos 00:00: setting system clock to 2019-11-15 04:15:48 UTC (1573791348)
[ 2.216860] Freeing unused kernel memory: 2084K
[ 2.236110] Write protecting the kernel read-only data: 16384k
[ 2.240773] Freeing unused kernel memory: 2016K
[ 2.246592] Freeing unused kernel memory: 1332K
[ 2.280262] systemd[1]: Inserted module 'autofs4'
[ 2.295095] NET: Registered protocol family 10
[ 2.300020] Segment Routing with IPv6
[ 2.303123] systemd[1]: Inserted module 'ipv6'
[ 2.307232] random: systemd: uninitialized urandom read (16 bytes read)
[ 2.311686] random: systemd: uninitialized urandom read (16 bytes read)
[ 2.315990] random: systemd: uninitialized urandom read (16 bytes read)
[ 2.322766] systemd[1]: systemd 219 running in system mode. (+PAM +AUDIT +SELINUX +IMA -APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 -SECCOMP +BLKID +ELFUTILS +KMOD +IDN)
[ 2.334502] systemd[1]: Detected virtualization kvm.
[ 2.338073] systemd[1]: Detected architecture x86-64.
[ 2.341654] systemd[1]: Running in initial RAM disk.
Welcome to [0;34mAmazon Linux 2 dracut-033-535.amzn2.1.3 (Initramfs)[0m!
[ 2.347316] systemd[1]: No hostname configured.
[ 2.350694] systemd[1]: Set hostname to <localhost>.
[ 2.354276] systemd[1]: Initializing machine ID from KVM UUID.
[[32m OK [0m] Reached target Local Encrypted Volumes.
[ 2.384614] systemd[1]: Reached target Local Encrypted Volumes.
[ 2.388594] systemd[1]: Starting Local Encrypted Volumes.
[[32m OK [0m] Reached target Timers.
[ 2.393517] systemd[1]: Reached target Timers.
[[32m OK [0m] Reached target Local File Systems.
[[32m OK [0m] Reached target Swap.
[[32m OK [0m] Created slice Root Slice.
[[32m OK [0m] Listening on udev Control Socket.
[[32m OK [0m] Listening on Journal Socket.
[[32m OK [0m] Created slice System Slice.
Starting Create list of required st... nodes for the current kernel...
Starting Setup Virtual Console...
Starting Apply Kernel Variables...
Starting Journal Service...
[[32m OK [0m] Reached target Slices.
Starting dracut cmdline hook...
[[32m OK [0m] Listening on udev Kernel Socket.
[[32m OK [0m] Reached target Sockets.
[[32m OK [0m] Started Journal Service.
[[32m OK [0m] Started Create list of required sta...ce nodes for the current kernel.
[[32m OK [0m] Started Setup Virtual Console.
[[32m OK [0m] Started Apply Kernel Variables.
Starting Create Static Device Nodes in /dev...
[[32m OK [0m] Started Create Static Device Nodes in /dev.
[[32m OK [0m] Started dracut cmdline hook.
Starting dracut pre-udev hook...
[ 2.512333] device-mapper: uevent: version 1.0.3
[ 2.515930] device-mapper: ioctl: 4.37.0-ioctl (2017-09-20) initialised: [email protected]
[[32m OK [0m] Started dracut pre-udev hook.
Starting udev Kernel Device Manager...
[[32m OK [0m] Started udev Kernel Device Manager.
Starting dracut pre-trigger hook...
[[32m OK [0m] Started dracut pre-trigger hook.
Starting udev Coldplug all Devices...
[[32m OK [0m] Started udev Coldplug all Devices.
Starting dracut initqueue hook...
Starting Show Plymouth Boot Screen...
[[32m OK [0m] Reached target System Initialization.
[[32m OK [0m] Started Show Plymouth Boot Screen.
[[32m OK [0m] Reached target Paths.
[[32m OK [0m] Reached target Basic System.
[ 2.671676] nvme nvme0: pci function 0000:00:04.0
[ 2.675603] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 11
[ 2.676101] nvme nvme1: pci function 0000:00:1f.0
[ 2.683714] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 10
[ 2.690459] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input0
[ 2.697051] AVX2 version of gcm_enc/dec engaged.
[ 2.700874] AES CTR mode by8 optimization enabled
%G[ 2.723678] alg: No test for pcbc(aes) (pcbc-aes-aesni)
[ 2.903158] nvme0n1: p1 p128
[ 2.916394] random: fast init done
[[32m OK [0m] Found device /dev/disk/by-uuid/0a5c8d10-5fd5-4c87-8778-4afc3ce97dd9.
Starting File System Check on /dev/...0-5fd5-4c87-8778-4afc3ce97dd9...
[[32m OK [0m] Started File System Check on /dev/d...d10-5fd5-4c87-8778-4afc3ce97dd9.
[[32m OK [0m] Started dracut initqueue hook.
[[32m OK [0m] Reached target Remote File Systems (Pre).
[[32m OK [0m] Reached target Remote File Systems.
Starting dracut pre-mount hook...
[[32m OK [0m] Started dracut pre-mount hook.
Mounting /sysroot...
[ 3.332526] SGI XFS with ACLs, security attributes, no debug enabled
[ 3.440566] XFS (nvme0n1p1): Mounting V5 Filesystem
[ 3.883852] XFS (nvme0n1p1): Ending clean mount
[[32m OK [0m] Mounted /sysroot.
[[32m OK [0m] Reached target Initrd Root File System.
Starting Reload Configuration from the Real Root...
[[32m OK [0m] Started Reload Configuration from the Real Root.
[[32m OK [0m] Reached target Initrd File Systems.
[[32m OK [0m] Reached target Initrd Default Target.
Starting dracut pre-pivot and cleanup hook...
[[32m OK [0m] Started dracut pre-pivot and cleanup hook.
Starting Cleaning Up and Shutting Down Daemons...
Starting Plymouth switch root service...
[[32m OK [0m] Stopped target Timers.
[[32m OK [0m] Stopped Cleaning Up and Shutting Down Daemons.
[[32m OK [0m] Stopped dracut pre-pivot and cleanup hook.
Stopping dracut pre-pivot and cleanup hook...
[[32m OK [0m] Stopped dracut pre-mount hook.
Stopping dracut pre-mount hook...
[[32m OK [0m] Stopped target Initrd Default Target.
[[32m OK [0m] Stopped target Remote File Systems.
[[32m OK [0m] Stopped target Remote File Systems (Pre).
[[32m OK [0m] Stopped dracut initqueue hook.
Stopping dracut initqueue hook...
[[32m OK [0m] Stopped target Basic System.
[[32m OK [0m] Stopped target Slices.
[[32m OK [0m] Stopped target Sockets.
[[32m OK [0m] Stopped target Paths.
[[32m OK [0m] Stopped target System Initialization.
[[32m OK [0m] Stopped target Local File Systems.
[[32m OK [0m] Stopped target Local Encrypted Volumes.
[[32m OK [0m] Stopped target Swap.
[[32m OK [0m] Stopped udev Coldplug all Devices.
Stopping udev Coldplug all Devices...
[[32m OK [0m] Stopped dracut pre-trigger hook.
Stopping dracut pre-trigger hook...
Stopping udev Kernel Device Manager...
[[32m OK [0m] Stopped Apply Kernel Variables.
Stopping Apply Kernel Variables...
[ 4.113588] systemd-journald[673]: Received SIGTERM from PID 1 (systemd).
[[32m OK [0m] Started Plymouth switch root service.
[[32m OK [0m] Stopped udev Kernel Device Manager.
[[32m OK [0m] Stopped Create Static Device Nodes in /dev.
Stopping Create Static Device Nodes in /dev...
[[32m OK [0m] Stopped Create list of required sta...ce nodes for the current kernel.
Stopping Create list of required st... nodes for the current kernel...
[[32m OK [0m] Stopped dracut pre-udev hook.
Stopping dracut pre-udev hook...
[[32m OK [0m] Stopped dracut cmdline hook.
Stopping dracut cmdline hook...
[[32m OK [0m] Closed udev Kernel Socket.
[[32m OK [0m] Closed udev Control Socket.
Starting Cleanup udevd DB...
[[32m OK [0m] Started Cleanup udevd DB.
[[32m OK [0m] Reached target Switch Root.
Starting Switch Root...
[ 4.168220] systemd: 25 output lines suppressed due to ratelimiting
[ 4.272567] SELinux: Disabled at runtime.
[ 4.336112] audit: type=1404 audit(1573791350.624:2): selinux=0 auid=4294967295 ses=4294967295
[ 4.381684] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 4.386502] systemd[1]: Inserted module 'ip_tables'
Welcome to [0;33mAmazon Linux 2[0m!
[[32m OK [0m] Stopped Switch Root.
[[32m OK [0m] Stopped Journal Service.
Starting Journal Service...
[[32m OK [0m] Listening on LVM2 poll daemon socket.
[[32m OK [0m] Created slice system-selinux\x2dpol...grate\x2dlocal\x2dchanges.slice.
Mounting POSIX Message Queue File System...
[[32m OK [0m] Listening on udev Control Socket.
Mounting Huge Pages File System...
[[32m OK [0m] Listening on Device-mapper event daemon FIFOs.
[[32m OK [0m] Listening on LVM2 metadata daemon socket.
Starting Monitoring of LVM2 mirrors... dmeventd or progress polling...
[[32m OK [0m] Created slice system-systemd\x2dfsck.slice.
[[32m OK [0m] Listening on /dev/initctl Compatibility Named Pipe.
Starting Remount Root and Kernel File Systems...
[[32m OK [0m] Stopped target Switch Root.
[[32m OK [0m] Stopped target Initrd Root File System.
[[32m OK [0m] Stopped target Initrd File Systems.
[[32m OK [0m] Reached target Paths.
[[32m OK [0m] Reached target Swap.
[[32m OK [0m] Set up automount Arbitrary Executab...ats File System Automount Point.
[[32m OK [0m] Listening on udev Kernel Socket.
[ 4.624731] ena: Elastic Network Adapter (ENA) v2.1.1g
[ 4.624811] ena 0000:00:05.0: Elastic Network Adapter (ENA) v2.1.1g
[ 4.640142] ena: ena device version: 0.10
[ 4.640143] ena: ena controller version: 0.0.1 implementation version 1
[ 4.687575] systemd-journald[1391]: Received request to flush runtime journal from PID 1
[[32m OK [0m] Created slice system-serial\x2dgetty.slice.
[[32m OK [0m] Created slice system-getty.slice.
[[32m OK [0m] Listening on Delayed Shutdown Socket.
Starting Load Kernel Modules...
Mounting Debug File System...
[[32m OK [0m] Created slice User and Session Slice.
[[32m OK [0m] Reached target Slices.
Starting Create list of required st... nodes for the current kernel...
[[32m OK [0m] Mounted Debug File System.
[[32m OK [0m] Mounted POSIX Message Queue File System.
[[32m OK [0m] Mounted Huge Pages File System.
[[32m OK [0m] Started Journal Service.
[[32m OK [0m] Started Remount Root and Kernel File Systems.
[[32m OK [0m] Started Create list of required sta...ce nodes for the current kernel.
[[32m OK [0m] Started LVM2 metadata daemon.
Starting LVM2 metadata daemon...
Starting Create Static Device Nodes in /dev...
Starting udev Coldplug all Devices...
Starting Load/Save Random Seed...
Starting Flush Journal to Persistent Storage...
[[32m OK [0m] Started Load/Save Random Seed.
[[32m OK [0m] Started udev Coldplug all Devices.
Starting udev Wait for Complete Device Initialization...
[ 4.768025] ena 0000:00:05.0: LLQ is not supported Fallback to host mode policy.
[ 4.768044] ena 0000:00:05.0: creating 2 io queues. rx queue size: 1024 tx queue size. 1024 LLQ is DISABLED
[ 4.784169] ena 0000:00:05.0: Elastic Network Adapter (ENA) found at mem febf4000, mac addr 06:db:1b:e7:ab:1e Queues 2, Placement policy: Regular
[[32m OK [0m] Started Create Static Device Nodes in /dev.
Starting udev Kernel Device Manager...
[[32m OK [0m] Started udev Kernel Device Manager.
[[32m OK [0m] Started Load Kernel Modules.
Starting Apply Kernel Variables...
[[32m OK [0m] Started Apply Kernel Variables.
[ 4.839083] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1
[ 4.845300] ACPI: Power Button [PWRF]
[ 4.845401] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input2
[ 4.845410] ACPI: Sleep Button [SLPF]
[[32m OK [0m] Started Flush Journal to Persistent Storage.
[[32m OK [0m] Found device /dev/ttyS0.
%G[[32m OK [0m] Created slice system-ec2net\x2difup.slice.
[[32m OK [0m] Started udev Wait for Complete Device Initialization.
Starting Activation of DM RAID sets...
[[32m OK [0m] Started Monitoring of LVM2 mirrors,...ng dmeventd or progress polling.
[[32m OK [0m] Reached target Local File Systems (Pre).
[[32m OK [0m] Started Activation of DM RAID sets.
[[32m OK [0m] Reached target Local Encrypted Volumes.
[[1;31m TIME [0m] Timed out waiting for device dev-xvdf.device.
[[1;33mDEPEND[0m] Dependency failed for /data.
[[1;33mDEPEND[0m] Dependency failed for Local File Systems.
[[1;33mDEPEND[0m] Dependency failed for Migrate local... structure to the new structure.
[[1;33mDEPEND[0m] Dependency failed for File System Check on /dev/xvdf.
[ 94.759235] random: crng init done
[ 94.762559] random: 7 urandom warning(s) missed due to ratelimiting
Starting Preprocess NFS configuration...
Starting Initial hibernation setup job...
[[32m OK [0m] Reached target Timers.
[[32m OK [0m] Reached target Login Prompts.
Starting Create Volatile Files and Directories...
Starting Tell Plymouth To Write Out Runtime Data...
[[32m OK [0m] Started Emergency Shell.
Starting Emergency Shell...
[[32m OK [0m] Reached target Emergency Mode.
[[32m OK [0m] Reached target Sockets.
[[32m OK [0m] Reached target Network (Pre).
[[32m OK [0m] Reached target Network.
[[32m OK [0m] Reached target Cloud-init target.
Starting Initial cloud-init job (metadata service crawler)...
[[32m OK [0m] Started Preprocess NFS configuration.
[[32m OK [0m] Started Create Volatile Files and Directories.
Starting RPC bind service...
Mounting RPC Pipe File System...
Starting Security Auditing Service...
[ 94.838985] RPC: Registered named UNIX socket transport module.
[ 94.838985] RPC: Registered udp transport module.
[ 94.838986] RPC: Registered tcp transport module.
[ 94.838986] RPC: Registered tcp NFSv4.1 backchannel transport module.
[[32m OK [0m] Mounted RPC Pipe File System.
[[32m OK [0m] Reached target rpc_pipefs.target.
[[32m OK [0m] Reached target NFS client services.
[[32m OK [0m] Reached target Remote File Systems (Pre).
[[32m OK [0m] Reached target Remote File Systems.
[[32m OK [0m] Started RPC bind service.
[[32m OK [0m] Started Tell Plymouth To Write Out Runtime Data.
Starting Activation of DM RAID sets...
[[32m OK [0m] Stopped target Emergency Mode.
[[32m OK [0m] Started Activation of DM RAID sets.
[[32m OK [0m] Started Security Auditing Service.
Starting Update UTMP about System Boot/Shutdown...
[[32m OK [0m] Started Update UTMP about System Boot/Shutdown.
Starting Update UTMP about System Runlevel Changes...
[[32m OK [0m] Started Update UTMP about System Runlevel Changes.
[ 95.540099] cloud-init[1827]: Cloud-init v. 18.5-2.amzn2 running 'init' at Fri, 15 Nov 2019 04:17:21 +0000. Up 95.51 seconds.
[ 95.567423] cloud-init[1827]: ci-info: +++++++++++++++++++++++++++Net device info++++++++++++++++++++++++++++
[ 95.567635] cloud-init[1827]: ci-info: +--------+-------+-----------+-----------+-------+-------------------+
[ 95.568072] cloud-init[1827]: ci-info: | Device | Up | Address | Mask | Scope | Hw-Address |
[ 95.568462] cloud-init[1827]: ci-info: +--------+-------+-----------+-----------+-------+-------------------+
[ 95.568875] cloud-init[1827]: ci-info: | eth0 | False | . | . | . | 06:db:1b:e7:ab:1e |
[ 95.569306] cloud-init[1827]: ci-info: | lo | True | 127.0.0.1 | 255.0.0.0 | host | . |
[ 95.569759] cloud-init[1827]: ci-info: | lo | True | ::1/128 | . | host | . |
[ 95.570163] cloud-init[1827]: ci-info: +--------+-------+-----------+-----------+-------+-------------------+
[ 95.570586] cloud-init[1827]: ci-info: +++++++++++++++++++Route IPv6 info+++++++++++++++++++
[ 95.570743] cloud-init[1827]: ci-info: +-------+-------------+---------+-----------+-------+
[ 95.574544] cloud-init[1827]: ci-info: | Route | Destination | Gateway | Interface | Flags |
[ 95.576261] cloud-init[1827]: ci-info: +-------+-------------+---------+-----------+-------+
[ 95.576505] cloud-init[1827]: ci-info: +-------+-------------+---------+-----------+-------+
[[32m OK [0m] Started Initial cloud-init job (metadata service crawler).
[[32m OK [0m] Reached target Cloud-config availability.
[[32m OK [0m] Reached target Network is Online.
[ 184.998542] systemctl[1856]: Job for acpid.service canceled.
Welcome to emergency mode! After logging in, type "journalctl -xb" to view
system logs, "systemctl reboot" to reboot, "systemctl default" or ^D to
try again to boot into default mode.
Cannot open access to console, the root account is locked.
See sulogin(8) man page for more details.
Press Enter to continue.
划重点1
2
3
4
5
6
7
8
9[[1;31m TIME [0m] Timed out waiting for device dev-xvdf.device.
[[1;33mDEPEND[0m] Dependency failed for /data.
[[1;33mDEPEND[0m] Dependency failed for Local File Systems.
[[1;33mDEPEND[0m] Dependency failed for Migrate local... structure to the new structure.
[[1;33mDEPEND[0m] Dependency failed for File System Check on /dev/xvdf.
0x02 解决办法
知道问题的原因，也就容易解决了，把实例切回去，然后把设备名改成UUID就完事了。1
2
3blkid 查看设备的UUID
vim /etc/fstab 替换UUID
mount -a 完事
1 | [root@ip-10-0-3-4 ec2-user]# blkid |
然后再切成nvme的实例类型就没啥事了。
0x03 后记
心累，太菜了我。