Attachment 1458680 Details for Bug 1600789 – log file

log file

bug.log (text/plain), 61.27 KB, created by Haigang on 2018-07-13 08:12:09 UTC

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Creator: Haigang

Created: 2018-07-13 08:12:09 UTC

Size: 61.27 KB

patch

obsolete

>libguestfs: trace: set_recovery_proc true
>libguestfs: trace: set_recovery_proc = 0
>libguestfs: trace: add_drive "/v2v/images1/centos7-disk1.vmdk"
>libguestfs: trace: add_drive = 0
>libguestfs: trace: launch
>libguestfs: trace: max_disks
>libguestfs: trace: max_disks = 255
>libguestfs: trace: get_tmpdir
>libguestfs: trace: get_tmpdir = "/tmp"
>libguestfs: trace: version
>libguestfs: trace: version = <struct guestfs_version = major: 1, minor: 38, release: 1, extra: , >
>libguestfs: trace: get_backend
>libguestfs: trace: get_backend = "direct"
>libguestfs: launch: program=guestmount
>libguestfs: launch: version=1.38.1
>libguestfs: launch: backend registered: unix
>libguestfs: launch: backend registered: uml
>libguestfs: launch: backend registered: libvirt
>libguestfs: launch: backend registered: direct
>libguestfs: launch: backend=direct
>libguestfs: launch: tmpdir=/tmp/libguestfsvqNIN4
>libguestfs: launch: umask=0022
>libguestfs: launch: euid=0
>libguestfs: trace: get_backend_setting "force_tcg"
>libguestfs: trace: get_backend_setting = NULL (error)
>libguestfs: trace: get_cachedir
>libguestfs: trace: get_cachedir = "/var/tmp"
>libguestfs: begin building supermin appliance
>libguestfs: run supermin
>libguestfs: command: run: /usr/bin/supermin
>libguestfs: command: run: \ --build
>libguestfs: command: run: \ --verbose
>libguestfs: command: run: \ --if-newer
>libguestfs: command: run: \ --lock /var/tmp/.guestfs-0/lock
>libguestfs: command: run: \ --copy-kernel
>libguestfs: command: run: \ -f ext2
>libguestfs: command: run: \ --host-cpu x86_64
>libguestfs: command: run: \ /usr/lib/x86_64-linux-gnu/guestfs/supermin.d
>libguestfs: command: run: \ -o /var/tmp/.guestfs-0/appliance.d
>supermin: version: 5.1.19
>supermin: package handler: debian/dpkg
>supermin: acquiring lock on /var/tmp/.guestfs-0/lock
>supermin: if-newer: output does not need rebuilding
>libguestfs: finished building supermin appliance
>libguestfs: begin testing qemu features
>libguestfs: trace: get_cachedir
>libguestfs: trace: get_cachedir = "/var/tmp"
>libguestfs: checking for previously cached test results of /usr/bin/qemu-system-x86_64, in /var/tmp/.guestfs-0
>libguestfs: loading previously cached test results
>libguestfs: qemu version: 2.8
>libguestfs: qemu mandatory locking: no
>libguestfs: trace: get_sockdir
>libguestfs: trace: get_sockdir = "/tmp"
>libguestfs: finished testing qemu features
>libguestfs: trace: get_backend_setting "gdb"
>libguestfs: trace: get_backend_setting = NULL (error)
>/usr/bin/qemu-system-x86_64 \
>    -global virtio-blk-pci.scsi=off \
>    -nodefconfig \
>    -enable-fips \
>    -nodefaults \
>    -display none \
>    -machine accel=kvm:tcg \
>    -cpu host \
>    -m 500 \
>    -no-reboot \
>    -rtc driftfix=slew \
>    -no-hpet \
>    -global kvm-pit.lost_tick_policy=discard \
>    -kernel /var/tmp/.guestfs-0/appliance.d/kernel \
>    -initrd /var/tmp/.guestfs-0/appliance.d/initrd \
>    -object rng-random,filename=/dev/urandom,id=rng0 \
>    -device virtio-rng-pci,rng=rng0 \
>    -device virtio-scsi-pci,id=scsi \
>    -drive file=/v2v/images1/centos7-disk1.vmdk,cache=writeback,id=hd0,if=none \
>    -device scsi-hd,drive=hd0 \
>    -drive file=/var/tmp/.guestfs-0/appliance.d/root,snapshot=on,id=appliance,cache=unsafe,if=none,format=raw \
>    -device scsi-hd,drive=appliance \
>    -device virtio-serial-pci \
>    -serial stdio \
>    -device sga \
>    -chardev socket,path=/tmp/libguestfsfEUs4B/guestfsd.sock,id=channel0 \
>    -device virtserialport,chardev=channel0,name=org.libguestfs.channel.0 \
>    -append "panic=1 console=ttyS0 edd=off udevtimeout=6000 udev.event-timeout=6000 no_timer_check printk.time=1 cgroup_disable=memory usbcore.nousb cryptomgr.notests tsc=reliable 8250.nr_uarts=1 root=/dev/sdb selinux=0 guestfs_verbose=1 TERM=xterm-256color"
>\x1b[1;256r\x1b[256;256H\x1b[6n
>Google, Inc.
>Serial Graphics Adapter 03/05/17
>SGABIOS $Id: sgabios.S 8 2010-04-22 00:03:40Z nlaredo $ (generic@generic) Sun, 05 Mar 2017 16:09:17 +0100
>Term: 80x24
>4 0
>\x1b[2J
SeaBIOS (version 1.11.1-1)

>
Booting from ROM...

>\x1b[2J[    0.000000] Linux version 4.15.0-2-amd64 (debian-kernel@lists.debian.org) (gcc version 7.3.0 (Debian 7.3.0-12)) #1 SMP Debian 4.15.11-1 (2018-03-20)
>[    0.000000] Command line: panic=1 console=ttyS0 edd=off udevtimeout=6000 udev.event-timeout=6000 no_timer_check printk.time=1 cgroup_disable=memory usbcore.nousb cryptomgr.notests tsc=reliable 8250.nr_uarts=1 root=/dev/sdb selinux=0 guestfs_verbose=1 TERM=xterm-256color
>[    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: xstate_offset[2]:  576, xstate_sizes[2]:  256
>[    0.000000] x86/fpu: xstate_offset[3]:  960, xstate_sizes[3]:   64
>[    0.000000] x86/fpu: xstate_offset[4]: 1024, xstate_sizes[4]:   64
>[    0.000000] x86/fpu: Enabled xstate features 0x1f, context size is 1088 bytes, using 'standard' format.
>[    0.000000] e820: BIOS-provided physical RAM map:
>[    0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009f7ff] usable
>[    0.000000] BIOS-e820: [mem 0x000000000009f800-0x000000000009ffff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved
>[    0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000001f3ddfff] usable
>[    0.000000] BIOS-e820: [mem 0x000000001f3de000-0x000000001f3fffff] 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] random: fast init done
>[    0.000000] SMBIOS 2.8 present.
>[    0.000000] DMI: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.1-1 04/01/2014
>[    0.000000] Hypervisor detected: KVM
>[    0.000000] e820: last_pfn = 0x1f3de 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 0x000f5d50-0x000f5d5f] mapped at [        (ptrval)]
>[    0.000000] Using GB pages for direct mapping
>[    0.000000] RAMDISK: [mem 0x1efdb000-0x1f3cffff]
>[    0.000000] ACPI: Early table checksum verification disabled
>[    0.000000] ACPI: RSDP 0x00000000000F5B80 000014 (v00 BOCHS )
>[    0.000000] ACPI: RSDT 0x000000001F3E187D 00002C (v01 BOCHS  BXPCRSDT 00000001 BXPC 00000001)
>[    0.000000] ACPI: FACP 0x000000001F3E1791 000074 (v01 BOCHS  BXPCFACP 00000001 BXPC 00000001)
>[    0.000000] ACPI: DSDT 0x000000001F3E0040 001751 (v01 BOCHS  BXPCDSDT 00000001 BXPC 00000001)
>[    0.000000] ACPI: FACS 0x000000001F3E0000 000040
>[    0.000000] ACPI: APIC 0x000000001F3E1805 000078 (v01 BOCHS  BXPCAPIC 00000001 BXPC 00000001)
>[    0.000000] No NUMA configuration found
>[    0.000000] Faking a node at [mem 0x0000000000000000-0x000000001f3ddfff]
>[    0.000000] NODE_DATA(0) allocated [mem 0x1f3d9000-0x1f3ddfff]
>[    0.000000] kvm-clock: cpu 0, msr 0:1f3d0001, primary cpu clock
>[    0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00
>[    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 0x0000000001000000-0x000000001f3ddfff]
>[    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 0x0000000000100000-0x000000001f3ddfff]
>[    0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000001f3ddfff]
>[    0.000000] Reserved but unavailable: 98 pages
>[    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 1 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 0x1f400000-0xfeffbfff] 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:1 nr_node_ids:1
>[    0.000000] percpu: Embedded 44 pages/cpu @        (ptrval) s142040 r8192 d29992 u2097152
>[    0.000000] KVM setup async PF for cpu 0
>[    0.000000] kvm-stealtime: cpu 0, msr 1ec16240
>[    0.000000] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes)
>[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 125847
>[    0.000000] Policy zone: DMA32
>[    0.000000] Kernel command line: panic=1 console=ttyS0 edd=off udevtimeout=6000 udev.event-timeout=6000 no_timer_check printk.time=1 cgroup_disable=memory usbcore.nousb cryptomgr.notests tsc=reliable 8250.nr_uarts=1 root=/dev/sdb selinux=0 guestfs_verbose=1 TERM=xterm-256color
>[    0.000000] Memory: 476136K/511472K available (10252K kernel code, 1165K rwdata, 3084K rodata, 1516K init, 692K bss, 35336K reserved, 0K cma-reserved)
>[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
>[    0.000000] Kernel/User page tables isolation: enabled
>[    0.000000] ftrace: allocating 29537 entries in 116 pages
>[    0.004000] Hierarchical RCU implementation.
>[    0.004000] \tRCU restricting CPUs from NR_CPUS=512 to nr_cpu_ids=1.
>[    0.004000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1
>[    0.004000] NR_IRQS: 33024, nr_irqs: 256, preallocated irqs: 16
>[    0.004000] Console: colour *CGA 80x25
>[    0.004000] console [ttyS0] enabled
>[    0.004000] ACPI: Core revision 20170831
>[    0.004000] ACPI: 1 ACPI AML tables successfully acquired and loaded
>[    0.004047] APIC: Switch to symmetric I/O mode setup
>[    0.010257] x2apic enabled
>[    0.012022] Switched APIC routing to physical x2apic.
>[    0.029167] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
>[    0.032000] tsc: Detected 3695.996 MHz processor
>[    0.032021] Calibrating delay loop (skipped) preset value.. 7391.99 BogoMIPS (lpj=14783984)
>[    0.036002] pid_max: default: 32768 minimum: 301
>[    0.040023] Security Framework initialized
>[    0.044002] Yama: disabled by default; enable with sysctl kernel.yama.*
>[    0.048012] AppArmor: AppArmor initialized
>[    0.052047] Dentry cache hash table entries: 65536 (order: 7, 524288 bytes)
>[    0.056025] Inode-cache hash table entries: 32768 (order: 6, 262144 bytes)
>[    0.060010] Mount-cache hash table entries: 1024 (order: 1, 8192 bytes)
>[    0.064007] Mountpoint-cache hash table entries: 1024 (order: 1, 8192 bytes)
>[    0.072102] Disabling memory control group subsystem
>[    0.076731] CPU: Physical Processor ID: 0
>[    0.080345] mce: CPU supports 10 MCE banks
>[    0.084710] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0
>[    0.088003] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0
>[    0.092004] Spectre V2 : Mitigation: Full generic retpoline
>[    0.096003] Spectre V2 : Spectre v2 mitigation: Filling RSB on context switch
>[    0.100003] Spectre V2 : Spectre v2 mitigation: Enabling Indirect Branch Prediction Barrier
>[    0.104003] Spectre V2 : Enabling Restricted Speculation for firmware calls
>[    0.115387] Freeing SMP alternatives memory: 28K
>[    0.120224] smpboot: CPU0: Intel(R) Core(TM) i7-8700K CPU @ 3.70GHz (family: 0x6, model: 0x9e, stepping: 0xa)
>[    0.124071] Performance Events: Skylake events, Intel PMU driver.
>[    0.128054] ... version:                2
>[    0.131511] ... bit width:              48
>[    0.132028] ... generic registers:      4
>[    0.135451] ... value mask:             0000ffffffffffff
>[    0.136028] ... max period:             000000007fffffff
>[    0.140027] ... fixed-purpose events:   3
>[    0.143493] ... event mask:             000000070000000f
>[    0.144112] Hierarchical SRCU implementation.
>[    0.148229] smp: Bringing up secondary CPUs ...
>[    0.152034] smp: Brought up 1 node, 1 CPU
>[    0.155519] smpboot: Max logical packages: 1
>[    0.156050] smpboot: Total of 1 processors activated (7391.99 BogoMIPS)
>[    0.160856] devtmpfs: initialized
>[    0.163755] x86/mm: Memory block size: 128MB
>[    0.164206] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
>[    0.168042] futex hash table entries: 256 (order: 2, 16384 bytes)
>[    0.172066] pinctrl core: initialized pinctrl subsystem
>[    0.176095] NET: Registered protocol family 16
>[    0.179938] audit: initializing netlink subsys (disabled)
>[    0.180155] cpuidle: using governor ladder
>[    0.183685] cpuidle: using governor menu
>[    0.184033] audit: type=2000 audit(1531468625.723:1): state=initialized audit_enabled=0 res=1
>[    0.188094] ACPI: bus type PCI registered
>[    0.191553] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
>[    0.192563] PCI: Using configuration type 1 for base access
>[    0.196590] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages
>[    0.200031] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages
>[    0.204200] ACPI: Added _OSI(Module Device)
>[    0.207801] ACPI: Added _OSI(Processor Device)
>[    0.208030] ACPI: Added _OSI(3.0 _SCP Extensions)
>[    0.211998] ACPI: Added _OSI(Processor Aggregator Device)
>[    0.213959] ACPI: Interpreter enabled
>[    0.216050] ACPI: (supports S0 S3 S4 S5)
>[    0.219456] ACPI: Using IOAPIC for interrupt routing
>[    0.220046] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
>[    0.224609] ACPI: Enabled 3 GPEs in block 00 to 0F
>[    0.231003] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
>[    0.232033] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI]
>[    0.236035] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM
>[    0.240036] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge.
>[    0.244387] acpiphp: Slot [2] registered
>[    0.247824] acpiphp: Slot [3] registered
>[    0.248106] acpiphp: Slot [4] registered
>[    0.251552] acpiphp: Slot [5] registered
>[    0.252106] acpiphp: Slot [6] registered
>[    0.255566] acpiphp: Slot [7] registered
>[    0.256109] acpiphp: Slot [8] registered
>[    0.259561] acpiphp: Slot [9] registered
>[    0.260107] acpiphp: Slot [10] registered
>[    0.263629] acpiphp: Slot [11] registered
>[    0.264152] acpiphp: Slot [12] registered
>[    0.267700] acpiphp: Slot [13] registered
>[    0.268130] acpiphp: Slot [14] registered
>[    0.271676] acpiphp: Slot [15] registered
>[    0.272131] acpiphp: Slot [16] registered
>[    0.275704] acpiphp: Slot [17] registered
>[    0.276132] acpiphp: Slot [18] registered
>[    0.279662] acpiphp: Slot [19] registered
>[    0.280125] acpiphp: Slot [20] registered
>[    0.283674] acpiphp: Slot [21] registered
>[    0.284105] acpiphp: Slot [22] registered
>[    0.287668] acpiphp: Slot [23] registered
>[    0.288105] acpiphp: Slot [24] registered
>[    0.291682] acpiphp: Slot [25] registered
>[    0.292106] acpiphp: Slot [26] registered
>[    0.295653] acpiphp: Slot [27] registered
>[    0.296153] acpiphp: Slot [28] registered
>[    0.299701] acpiphp: Slot [29] registered
>[    0.300130] acpiphp: Slot [30] registered
>[    0.303690] acpiphp: Slot [31] registered
>[    0.304099] PCI host bridge to bus 0000:00
>[    0.307659] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]
>[    0.308030] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window]
>[    0.312026] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
>[    0.316026] pci_bus 0000:00: root bus resource [mem 0x1f400000-0xfebfffff window]
>[    0.320026] pci_bus 0000:00: root bus resource [bus 00-ff]
>[    0.337632] pci 0000:00:01.1: legacy IDE quirk: reg 0x10: [io  0x01f0-0x01f7]
>[    0.340026] pci 0000:00:01.1: legacy IDE quirk: reg 0x14: [io  0x03f6]
>[    0.344026] pci 0000:00:01.1: legacy IDE quirk: reg 0x18: [io  0x0170-0x0177]
>[    0.348025] pci 0000:00:01.1: legacy IDE quirk: reg 0x1c: [io  0x0376]
>[    0.356670] pci 0000:00:01.3: quirk: [io  0x0600-0x063f] claimed by PIIX4 ACPI
>[    0.360091] pci 0000:00:01.3: quirk: [io  0x0700-0x070f] claimed by PIIX4 SMB
>[    0.406056] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11)
>[    0.408339] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11)
>[    0.412377] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11)
>[    0.416331] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11)
>[    0.420180] ACPI: PCI Interrupt Link [LNKS] (IRQs *9)
>[    0.424209] vgaarb: loaded
>[    0.426610] EDAC MC: Ver: 3.0.0
>[    0.429068] PCI: Using ACPI for IRQ routing
>[    0.433144] clocksource: Switched to clocksource kvm-clock
>[    0.441854] VFS: Disk quotas dquot_6.6.0
>[    0.445228] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
>[    0.451086] AppArmor: AppArmor Filesystem Enabled
>[    0.454993] pnp: PnP ACPI init
>[    0.458431] pnp: PnP ACPI: found 5 devices
>[    0.467819] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
>[    0.475065] NET: Registered protocol family 2
>[    0.478823] TCP established hash table entries: 4096 (order: 3, 32768 bytes)
>[    0.484654] TCP bind hash table entries: 4096 (order: 4, 65536 bytes)
>[    0.490034] TCP: Hash tables configured (established 4096 bind 4096)
>[    0.495345] UDP hash table entries: 256 (order: 1, 8192 bytes)
>[    0.500161] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes)
>[    0.505479] NET: Registered protocol family 1
>[    0.509244] pci 0000:00:00.0: Limiting direct PCI/PCI transfers
>[    0.514280] pci 0000:00:01.0: PIIX3: Enabling Passive Release
>[    0.519201] pci 0000:00:01.0: Activating ISA DMA hang workarounds
>[    0.524677] Unpacking initramfs...
>[    0.529077] Freeing initrd memory: 4052K
>[    0.533411] Initialise system trusted keyrings
>[    0.537266] workingset: timestamp_bits=40 max_order=17 bucket_order=0
>[    0.543212] zbud: loaded
>[    0.545652] alg: self-tests disabled
>[    0.548870] Key type asymmetric registered
>[    0.552435] Asymmetric key parser 'x509' registered
>[    0.556676] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249)
>[    0.562912] io scheduler noop registered
>[    0.566230] io scheduler deadline registered
>[    0.569849] io scheduler cfq registered (default)
>[    0.573835] io scheduler mq-deadline registered
>[    0.577799] Serial: 8250/16550 driver, 1 ports, IRQ sharing enabled
>[    0.616969] 00:04: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
>[    0.623194] Linux agpgart interface v0.103
>[    0.626723] AMD IOMMUv2 driver by Joerg Roedel <jroedel@suse.de>
>[    0.631591] AMD IOMMUv2 functionality not available on this system
>[    0.636688] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12
>[    0.647280] serio: i8042 KBD port at 0x60,0x64 irq 1
>[    0.651339] serio: i8042 AUX port at 0x60,0x64 irq 12
>[    0.655489] mousedev: PS/2 mouse device common for all mice
>[    0.661425] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input0
>[    0.668617] rtc_cmos 00:00: RTC can wake from S4
>[    0.675037] rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0
>[    0.680618] rtc_cmos 00:00: alarms up to one day, y3k, 114 bytes nvram
>[    0.685973] ledtrig-cpu: registered to indicate activity on CPUs
>[    0.691052] NET: Registered protocol family 10
>[    0.694883] Segment Routing with IPv6
>[    0.697951] mip6: Mobile IPv6
>[    0.700491] NET: Registered protocol family 17
>[    0.704237] mpls_gso: MPLS GSO support
>[    0.707692] registered taskstats version 1
>[    0.711077] Loading compiled-in X.509 certificates
>[    0.715213] Loaded X.509 cert 'Debian Project: Ben Hutchings: 008a018dca80932630'
>[    0.721274] zswap: loaded using pool lzo/zbud
>[    0.724971] AppArmor: AppArmor sha1 policy hashing enabled
>[    0.729511] ima: No TPM chip found, activating TPM-bypass! (rc=-19)
>[    0.737066] rtc_cmos 00:00: setting system clock to 2018-07-13 07:57:06 UTC (1531468626)
>[    0.745976] Freeing unused kernel memory: 1516K
>[    0.749727] Write protecting the kernel read-only data: 16384k
>[    0.754726] Freeing unused kernel memory: 2012K
>[    0.759409] Freeing unused kernel memory: 1012K
>[    0.765754] x86/mm: Checked W+X mappings: passed, no W+X pages found.
>[    0.771035] x86/mm: Checking user space page tables
>[    0.777537] x86/mm: Checked W+X mappings: passed, no W+X pages found.
>supermin: mounting /proc
>supermin: ext2 mini initrd starting up: 5.1.19
>supermin: cmdline: panic=1 console=ttyS0 edd=off udevtimeout=6000 udev.event-timeout=6000 no_timer_check printk.time=1 cgroup_disable=memory usbcore.nousb cryptomgr.notests tsc=reliable 8250.nr_uarts=1 root=/dev/sdb selinux=0 guestfs_verbose=1 TERM=xterm-256color
>supermin: uptime: 0.80 0.12
>supermin: mounting /sys
>supermin: internal insmod crc32-pclmul.ko
>supermin: internal insmod crc32c-intel.ko
>supermin: internal insmod crct10dif-pclmul.ko
>supermin: internal insmod crc32_generic.ko
>supermin: internal insmod crc32c_generic.ko
>supermin: internal insmod libnvdimm.ko
>supermin: internal insmod nfit.ko
>supermin: internal insmod scsi_mod.ko
>[    0.831801] SCSI subsystem initialized
>supermin: internal insmod libata.ko
>supermin: internal insmod ata_piix.ko
>[    0.844627] scsi host0: ata_piix
>[    0.847457] scsi host1: ata_piix
>[    0.850241] ata1: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc0a0 irq 14
>[    0.855864] ata2: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc0a8 irq 15
>supermin: internal insmod virtio.ko
>supermin: internal insmod virtio_ring.ko
>supermin: internal insmod virtio_blk.ko
>supermin: internal insmod rng-core.ko
>supermin: internal insmod virtio-rng.ko
>supermin: internal insmod virtio_console.ko
>supermin: internal insmod crypto_engine.ko
>supermin: internal insmod virtio_crypto.ko
>supermin: internal insmod virtio_net.ko
>supermin: internal insmod nd_btt.ko
>supermin: internal insmod nd_pmem.ko
>supermin: internal insmod sd_mod.ko
>supermin: internal insmod virtio_scsi.ko
>supermin: internal insmod virtio_balloon.ko
>supermin: internal insmod virtio_input.ko
>supermin: internal insmod virtio_mmio.ko
>supermin: internal insmod virtio_pci.ko
>[    1.088518] ACPI: PCI Interrupt Link [LNKB] enabled at IRQ 10
>[    1.108272] random: crng init done
>[    1.118928] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11
>[    1.135405] scsi host2: Virtio SCSI HBA
>[    1.139162] scsi 2:0:0:0: Direct-Access     QEMU     QEMU HARDDISK    2.5+ PQ: 0 ANSI: 5
>[    1.152520] scsi 2:0:1:0: Direct-Access     QEMU     QEMU HARDDISK    2.5+ PQ: 0 ANSI: 5
>[    1.167180] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 11
>[    1.263729] sd 2:0:0:0: Power-on or device reset occurred
>[    1.268693] sd 2:0:1:0: Power-on or device reset occurred
>[    1.273710] sd 2:0:0:0: [sda] 41943040 512-byte logical blocks: (21.5 GB/20.0 GiB)
>[    1.280347] sd 2:0:0:0: [sda] Write Protect is off
>[    1.284857] sd 2:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
>[    1.292392] sd 2:0:1:0: [sdb] 8388608 512-byte logical blocks: (4.29 GB/4.00 GiB)
>[    1.298852] sd 2:0:1:0: [sdb] Write Protect is off
>[    1.303301] sd 2:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
>[    1.312119]  sda: sda1 sda2
>[    1.315577] sd 2:0:0:0: [sda] Attached SCSI disk
>[    1.320784] sd 2:0:1:0: [sdb] Attached SCSI disk
>supermin: internal insmod fscrypto.ko
>supermin: internal insmod jbd2.ko
>supermin: internal insmod mbcache.ko
>supermin: internal insmod crc16.ko
>supermin: internal insmod ext4.ko
>supermin: internal insmod crc-ccitt.ko
>supermin: internal insmod crc-itu-t.ko
>supermin: internal insmod crc7.ko
>supermin: internal insmod libcrc32c.ko
>supermin: picked /sys/block/sdb/dev (8:16) as root device
>supermin: creating /dev/root as block special 8:16
>supermin: mounting new root on /root
>[    1.367683] EXT4-fs (sdb): mounting ext2 file system using the ext4 subsystem
>[    1.375428] EXT4-fs (sdb): mounted filesystem without journal. Opts: 
>supermin: deleting initramfs files
>supermin: chroot
>Starting /init script ...
>+ [[ panic=1 console=ttyS0 edd=off udevtimeout=6000 udev.event-timeout=6000 no_timer_check printk.time=1 cgroup_disable=memory usbcore.nousb cryptomgr.notests tsc=reliable 8250.nr_uarts=1 root=/dev/sdb selinux=0 guestfs_verbose=1 TERM=xterm-256color == *guestfs_network=1* ]]
>+ [[ panic=1 console=ttyS0 edd=off udevtimeout=6000 udev.event-timeout=6000 no_timer_check printk.time=1 cgroup_disable=memory usbcore.nousb cryptomgr.notests tsc=reliable 8250.nr_uarts=1 root=/dev/sdb selinux=0 guestfs_verbose=1 TERM=xterm-256color == *guestfs_rescue=1* ]]
>+ [[ panic=1 console=ttyS0 edd=off udevtimeout=6000 udev.event-timeout=6000 no_timer_check printk.time=1 cgroup_disable=memory usbcore.nousb cryptomgr.notests tsc=reliable 8250.nr_uarts=1 root=/dev/sdb selinux=0 guestfs_verbose=1 TERM=xterm-256color == *guestfs_noreboot=1* ]]
>+ [[ panic=1 console=ttyS0 edd=off udevtimeout=6000 udev.event-timeout=6000 no_timer_check printk.time=1 cgroup_disable=memory usbcore.nousb cryptomgr.notests tsc=reliable 8250.nr_uarts=1 root=/dev/sdb selinux=0 guestfs_verbose=1 TERM=xterm-256color == *guestfs_boot_analysis=1* ]]
>+ '[' '!' -d /sys ']'
>+ mkdir -p /sys
>+ mount -t sysfs /sys /sys
>+ mkdir -p /run
>+ mount -t tmpfs -o nosuid,size=20%,mode=0755 tmpfs /run
>+ mkdir -p /run/lock
>+ ln -s ../run/lock /var/lock
>+ test -e /etc/mtab
>+ ln -s /proc/mounts /etc/mtab
>+ mount -t devtmpfs /dev /dev
>+ mkdir -p /dev/pts
>+ mount -t devpts /dev/pts /dev/pts
>+ mkdir -p /dev/shm
>+ mount -t tmpfs -o mode=1777 shmfs /dev/shm
>+ [[ panic=1 console=ttyS0 edd=off udevtimeout=6000 udev.event-timeout=6000 no_timer_check printk.time=1 cgroup_disable=memory usbcore.nousb cryptomgr.notests tsc=reliable 8250.nr_uarts=1 root=/dev/sdb selinux=0 guestfs_verbose=1 TERM=xterm-256color == *selinux=1* ]]
>+ mkdir -p /run/tmpfiles.d
>+ kmod static-nodes --format=tmpfiles --output=/run/tmpfiles.d/kmod.conf
>++ od -x -A n
>++ dd if=/dev/urandom bs=16 count=1 status=none
>+ machine_id=' ad35 ebc9 54a9 6264 5cd7 72c4 dc32 4e29'
>+ echo ad35ebc954a962645cd772c4dc324e29
>+ systemd-tmpfiles --prefix=/dev --prefix=/run --prefix=/var/run --create --boot
>/init: line 95: systemd-tmpfiles: command not found
>+ for f in /lib/systemd/systemd-udevd /usr/lib/systemd/systemd-udevd /sbin/udevd /lib/udev/udevd /usr/lib/udev/udevd
>+ '[' -x /lib/systemd/systemd-udevd ']'
>+ UDEVD=/lib/systemd/systemd-udevd
>+ break
>+ '[' -z /lib/systemd/systemd-udevd ']'
>+ /lib/systemd/systemd-udevd --daemon
>starting version 238
>+ udevadm trigger
>+ udevadm settle --timeout=600
>[    1.620743] sd 2:0:0:0: Attached scsi generic sg0 type 0
>[    1.636160] sd 2:0:1:0: Attached scsi generic sg1 type 0
>+ shopt -s nullglob
>+ for f in /sys/block/sd*/device/timeout
>+ echo 300
>+ for f in /sys/block/sd*/device/timeout
>+ echo 300
>+ for f in /sys/block/{h,s,ub,v}d*/queue/scheduler
>+ echo noop
>+ for f in /sys/block/{h,s,ub,v}d*/queue/scheduler
>+ echo noop
>+ shopt -u nullglob
>+ ip addr add 127.0.0.1/8 brd + dev lo scope host
>+ ip link set dev lo up
>+ test '' = 1
>+ mdadm -As --auto=yes --no-degraded
>mdadm: No arrays found in config file or automatically
>+ modprobe dm_mod
>[    2.195283] device-mapper: uevent: version 1.0.3
>[    2.200267] device-mapper: ioctl: 4.37.0-ioctl (2017-09-20) initialised: dm-devel@redhat.com
>+ lvm vgchange -aay --sysinit
>  WARNING: Failed to connect to lvmetad. Falling back to device scanning.
>  2 logical volume(s) in volume group "centos" now active
>+ mdadm -As --auto=yes --run
>mdadm: No arrays found in config file or automatically
>+ ldmtool create all
>[
>]
>+ test 1 = 1
>+ test '' '!=' 1
>+ uname -a
>Linux (none) 4.15.0-2-amd64 #1 SMP Debian 4.15.11-1 (2018-03-20) x86_64 GNU/Linux
>+ ls -lR /dev
>/dev:
>total 0
>drwxr-xr-x 2 0 0      160 Jul 13 07:57 block
>drwxr-xr-x 2 0 0       80 Jul 13 07:57 bsg
>drwxr-xr-x 2 0 0       80 Jul 13 07:57 centos
>drwxr-xr-x 2 0 0     1980 Jul 13 07:57 char
>crw------- 1 0 0   5,   1 Jul 13 07:57 console
>lrwxrwxrwx 1 0 0       11 Jul 13 07:57 core -> /proc/kcore
>crw------- 1 0 0  10,  62 Jul 13 07:57 cpu_dma_latency
>drwxr-xr-x 6 0 0      120 Jul 13 07:57 disk
>brw------- 1 0 0 253,   0 Jul 13 07:57 dm-0
>brw------- 1 0 0 253,   1 Jul 13 07:57 dm-1
>lrwxrwxrwx 1 0 0       13 Jul 13 07:57 fd -> /proc/self/fd
>crw-rw-rw- 1 0 0   1,   7 Jul 13 07:57 full
>crw------- 1 0 0  10, 228 Jul 13 07:57 hpet
>crw------- 1 0 0  10, 183 Jul 13 07:57 hwrng
>drwxr-xr-x 2 0 0       60 Jul 13 07:57 input
>crw-r--r-- 1 0 0   1,  11 Jul 13 07:57 kmsg
>drwxr-xr-x 2 0 0      100 Jul 13 07:57 mapper
>crw------- 1 0 0   1,   1 Jul 13 07:57 mem
>crw------- 1 0 0  10,  59 Jul 13 07:57 memory_bandwidth
>crw------- 1 0 0  10,  61 Jul 13 07:57 network_latency
>crw------- 1 0 0  10,  60 Jul 13 07:57 network_throughput
>crw-rw-rw- 1 0 0   1,   3 Jul 13 07:57 null
>crw------- 1 0 0   1,   4 Jul 13 07:57 port
>crw------- 1 0 0  10,   1 Jul 13 07:57 psaux
>crw-rw-rw- 1 0 0   5,   2 Jul 13 07:57 ptmx
>drwxr-xr-x 2 0 0        0 Jul 13 07:57 pts
>crw-rw-rw- 1 0 0   1,   8 Jul 13 07:57 random
>lrwxrwxrwx 1 0 0        4 Jul 13 07:57 rtc -> rtc0
>crw------- 1 0 0 251,   0 Jul 13 07:57 rtc0
>brw------- 1 0 0   8,   0 Jul 13 07:57 sda
>brw------- 1 0 0   8,   1 Jul 13 07:57 sda1
>brw------- 1 0 0   8,   2 Jul 13 07:57 sda2
>brw------- 1 0 0   8,  16 Jul 13 07:57 sdb
>crw------- 1 0 0  21,   0 Jul 13 07:57 sg0
>crw------- 1 0 0  21,   1 Jul 13 07:57 sg1
>drwxrwxrwt 2 0 0       40 Jul 13 07:57 shm
>crw------- 1 0 0  10, 231 Jul 13 07:57 snapshot
>lrwxrwxrwx 1 0 0       15 Jul 13 07:57 stderr -> /proc/self/fd/2
>lrwxrwxrwx 1 0 0       15 Jul 13 07:57 stdin -> /proc/self/fd/0
>lrwxrwxrwx 1 0 0       15 Jul 13 07:57 stdout -> /proc/self/fd/1
>crw-rw-rw- 1 0 0   5,   0 Jul 13 07:57 tty
>crw------- 1 0 0   4,   0 Jul 13 07:57 tty0
>crw------- 1 0 0   4,   1 Jul 13 07:57 tty1
>crw------- 1 0 0   4,  10 Jul 13 07:57 tty10
>crw------- 1 0 0   4,  11 Jul 13 07:57 tty11
>crw------- 1 0 0   4,  12 Jul 13 07:57 tty12
>crw------- 1 0 0   4,  13 Jul 13 07:57 tty13
>crw------- 1 0 0   4,  14 Jul 13 07:57 tty14
>crw------- 1 0 0   4,  15 Jul 13 07:57 tty15
>crw------- 1 0 0   4,  16 Jul 13 07:57 tty16
>crw------- 1 0 0   4,  17 Jul 13 07:57 tty17
>crw------- 1 0 0   4,  18 Jul 13 07:57 tty18
>crw------- 1 0 0   4,  19 Jul 13 07:57 tty19
>crw------- 1 0 0   4,   2 Jul 13 07:57 tty2
>crw------- 1 0 0   4,  20 Jul 13 07:57 tty20
>crw------- 1 0 0   4,  21 Jul 13 07:57 tty21
>crw------- 1 0 0   4,  22 Jul 13 07:57 tty22
>crw------- 1 0 0   4,  23 Jul 13 07:57 tty23
>crw------- 1 0 0   4,  24 Jul 13 07:57 tty24
>crw------- 1 0 0   4,  25 Jul 13 07:57 tty25
>crw------- 1 0 0   4,  26 Jul 13 07:57 tty26
>crw------- 1 0 0   4,  27 Jul 13 07:57 tty27
>crw------- 1 0 0   4,  28 Jul 13 07:57 tty28
>crw------- 1 0 0   4,  29 Jul 13 07:57 tty29
>crw------- 1 0 0   4,   3 Jul 13 07:57 tty3
>crw------- 1 0 0   4,  30 Jul 13 07:57 tty30
>crw------- 1 0 0   4,  31 Jul 13 07:57 tty31
>crw------- 1 0 0   4,  32 Jul 13 07:57 tty32
>crw------- 1 0 0   4,  33 Jul 13 07:57 tty33
>crw------- 1 0 0   4,  34 Jul 13 07:57 tty34
>crw------- 1 0 0   4,  35 Jul 13 07:57 tty35
>crw------- 1 0 0   4,  36 Jul 13 07:57 tty36
>crw------- 1 0 0   4,  37 Jul 13 07:57 tty37
>crw------- 1 0 0   4,  38 Jul 13 07:57 tty38
>crw------- 1 0 0   4,  39 Jul 13 07:57 tty39
>crw------- 1 0 0   4,   4 Jul 13 07:57 tty4
>crw------- 1 0 0   4,  40 Jul 13 07:57 tty40
>crw------- 1 0 0   4,  41 Jul 13 07:57 tty41
>crw------- 1 0 0   4,  42 Jul 13 07:57 tty42
>crw------- 1 0 0   4,  43 Jul 13 07:57 tty43
>crw------- 1 0 0   4,  44 Jul 13 07:57 tty44
>crw------- 1 0 0   4,  45 Jul 13 07:57 tty45
>crw------- 1 0 0   4,  46 Jul 13 07:57 tty46
>crw------- 1 0 0   4,  47 Jul 13 07:57 tty47
>crw------- 1 0 0   4,  48 Jul 13 07:57 tty48
>crw------- 1 0 0   4,  49 Jul 13 07:57 tty49
>crw------- 1 0 0   4,   5 Jul 13 07:57 tty5
>crw------- 1 0 0   4,  50 Jul 13 07:57 tty50
>crw------- 1 0 0   4,  51 Jul 13 07:57 tty51
>crw------- 1 0 0   4,  52 Jul 13 07:57 tty52
>crw------- 1 0 0   4,  53 Jul 13 07:57 tty53
>crw------- 1 0 0   4,  54 Jul 13 07:57 tty54
>crw------- 1 0 0   4,  55 Jul 13 07:57 tty55
>crw------- 1 0 0   4,  56 Jul 13 07:57 tty56
>crw------- 1 0 0   4,  57 Jul 13 07:57 tty57
>crw------- 1 0 0   4,  58 Jul 13 07:57 tty58
>crw------- 1 0 0   4,  59 Jul 13 07:57 tty59
>crw------- 1 0 0   4,   6 Jul 13 07:57 tty6
>crw------- 1 0 0   4,  60 Jul 13 07:57 tty60
>crw------- 1 0 0   4,  61 Jul 13 07:57 tty61
>crw------- 1 0 0   4,  62 Jul 13 07:57 tty62
>crw------- 1 0 0   4,  63 Jul 13 07:57 tty63
>crw------- 1 0 0   4,   7 Jul 13 07:57 tty7
>crw------- 1 0 0   4,   8 Jul 13 07:57 tty8
>crw------- 1 0 0   4,   9 Jul 13 07:57 tty9
>crw------- 1 0 0   4,  64 Jul 13 07:57 ttyS0
>crw-rw-rw- 1 0 0   1,   9 Jul 13 07:57 urandom
>crw------- 1 0 0   7,   0 Jul 13 07:57 vcs
>crw------- 1 0 0   7,   1 Jul 13 07:57 vcs1
>crw------- 1 0 0   7, 128 Jul 13 07:57 vcsa
>crw------- 1 0 0   7, 129 Jul 13 07:57 vcsa1
>crw------- 1 0 0  10,  63 Jul 13 07:57 vga_arbiter
>drwxr-xr-x 2 0 0       60 Jul 13 07:57 virtio-ports
>crw------- 1 0 0 246,   1 Jul 13 07:57 vport2p1
>crw-rw-rw- 1 0 0   1,   5 Jul 13 07:57 zero
>
>/dev/block:
>total 0
>lrwxrwxrwx 1 0 0 7 Jul 13 07:57 253:0 -> ../dm-0
>lrwxrwxrwx 1 0 0 7 Jul 13 07:57 253:1 -> ../dm-1
>lrwxrwxrwx 1 0 0 6 Jul 13 07:57 8:0 -> ../sda
>lrwxrwxrwx 1 0 0 7 Jul 13 07:57 8:1 -> ../sda1
>lrwxrwxrwx 1 0 0 6 Jul 13 07:57 8:16 -> ../sdb
>lrwxrwxrwx 1 0 0 7 Jul 13 07:57 8:2 -> ../sda2
>
>/dev/bsg:
>total 0
>crw------- 1 0 0 249, 0 Jul 13 07:57 2:0:0:0
>crw------- 1 0 0 249, 1 Jul 13 07:57 2:0:1:0
>
>/dev/centos:
>total 0
>lrwxrwxrwx 1 0 0 7 Jul 13 07:57 root -> ../dm-1
>lrwxrwxrwx 1 0 0 7 Jul 13 07:57 swap -> ../dm-0
>
>/dev/char:
>total 0
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 10:1 -> ../psaux
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 10:183 -> ../hwrng
>lrwxrwxrwx 1 0 0  7 Jul 13 07:57 10:228 -> ../hpet
>lrwxrwxrwx 1 0 0 11 Jul 13 07:57 10:231 -> ../snapshot
>lrwxrwxrwx 1 0 0 17 Jul 13 07:57 10:236 -> ../mapper/control
>lrwxrwxrwx 1 0 0 19 Jul 13 07:57 10:59 -> ../memory_bandwidth
>lrwxrwxrwx 1 0 0 21 Jul 13 07:57 10:60 -> ../network_throughput
>lrwxrwxrwx 1 0 0 18 Jul 13 07:57 10:61 -> ../network_latency
>lrwxrwxrwx 1 0 0 18 Jul 13 07:57 10:62 -> ../cpu_dma_latency
>lrwxrwxrwx 1 0 0 14 Jul 13 07:57 10:63 -> ../vga_arbiter
>lrwxrwxrwx 1 0 0 13 Jul 13 07:57 13:63 -> ../input/mice
>lrwxrwxrwx 1 0 0  6 Jul 13 07:57 1:1 -> ../mem
>lrwxrwxrwx 1 0 0  7 Jul 13 07:57 1:11 -> ../kmsg
>lrwxrwxrwx 1 0 0  7 Jul 13 07:57 1:3 -> ../null
>lrwxrwxrwx 1 0 0  7 Jul 13 07:57 1:4 -> ../port
>lrwxrwxrwx 1 0 0  7 Jul 13 07:57 1:5 -> ../zero
>lrwxrwxrwx 1 0 0  7 Jul 13 07:57 1:7 -> ../full
>lrwxrwxrwx 1 0 0  9 Jul 13 07:57 1:8 -> ../random
>lrwxrwxrwx 1 0 0 10 Jul 13 07:57 1:9 -> ../urandom
>lrwxrwxrwx 1 0 0  6 Jul 13 07:57 21:0 -> ../sg0
>lrwxrwxrwx 1 0 0  6 Jul 13 07:57 21:1 -> ../sg1
>lrwxrwxrwx 1 0 0 11 Jul 13 07:57 246:1 -> ../vport2p1
>lrwxrwxrwx 1 0 0 14 Jul 13 07:57 249:0 -> ../bsg/2:0:0:0
>lrwxrwxrwx 1 0 0 14 Jul 13 07:57 249:1 -> ../bsg/2:0:1:0
>lrwxrwxrwx 1 0 0  7 Jul 13 07:57 251:0 -> ../rtc0
>lrwxrwxrwx 1 0 0  7 Jul 13 07:57 4:0 -> ../tty0
>lrwxrwxrwx 1 0 0  7 Jul 13 07:57 4:1 -> ../tty1
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:10 -> ../tty10
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:11 -> ../tty11
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:12 -> ../tty12
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:13 -> ../tty13
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:14 -> ../tty14
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:15 -> ../tty15
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:16 -> ../tty16
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:17 -> ../tty17
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:18 -> ../tty18
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:19 -> ../tty19
>lrwxrwxrwx 1 0 0  7 Jul 13 07:57 4:2 -> ../tty2
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:20 -> ../tty20
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:21 -> ../tty21
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:22 -> ../tty22
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:23 -> ../tty23
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:24 -> ../tty24
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:25 -> ../tty25
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:26 -> ../tty26
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:27 -> ../tty27
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:28 -> ../tty28
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:29 -> ../tty29
>lrwxrwxrwx 1 0 0  7 Jul 13 07:57 4:3 -> ../tty3
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:30 -> ../tty30
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:31 -> ../tty31
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:32 -> ../tty32
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:33 -> ../tty33
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:34 -> ../tty34
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:35 -> ../tty35
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:36 -> ../tty36
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:37 -> ../tty37
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:38 -> ../tty38
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:39 -> ../tty39
>lrwxrwxrwx 1 0 0  7 Jul 13 07:57 4:4 -> ../tty4
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:40 -> ../tty40
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:41 -> ../tty41
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:42 -> ../tty42
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:43 -> ../tty43
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:44 -> ../tty44
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:45 -> ../tty45
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:46 -> ../tty46
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:47 -> ../tty47
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:48 -> ../tty48
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:49 -> ../tty49
>lrwxrwxrwx 1 0 0  7 Jul 13 07:57 4:5 -> ../tty5
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:50 -> ../tty50
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:51 -> ../tty51
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:52 -> ../tty52
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:53 -> ../tty53
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:54 -> ../tty54
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:55 -> ../tty55
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:56 -> ../tty56
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:57 -> ../tty57
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:58 -> ../tty58
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:59 -> ../tty59
>lrwxrwxrwx 1 0 0  7 Jul 13 07:57 4:6 -> ../tty6
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:60 -> ../tty60
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:61 -> ../tty61
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:62 -> ../tty62
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:63 -> ../tty63
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 4:64 -> ../ttyS0
>lrwxrwxrwx 1 0 0  7 Jul 13 07:57 4:7 -> ../tty7
>lrwxrwxrwx 1 0 0  7 Jul 13 07:57 4:8 -> ../tty8
>lrwxrwxrwx 1 0 0  7 Jul 13 07:57 4:9 -> ../tty9
>lrwxrwxrwx 1 0 0  6 Jul 13 07:57 5:0 -> ../tty
>lrwxrwxrwx 1 0 0 10 Jul 13 07:57 5:1 -> ../console
>lrwxrwxrwx 1 0 0  7 Jul 13 07:57 5:2 -> ../ptmx
>lrwxrwxrwx 1 0 0  6 Jul 13 07:57 7:0 -> ../vcs
>lrwxrwxrwx 1 0 0  7 Jul 13 07:57 7:1 -> ../vcs1
>lrwxrwxrwx 1 0 0  7 Jul 13 07:57 7:128 -> ../vcsa
>lrwxrwxrwx 1 0 0  8 Jul 13 07:57 7:129 -> ../vcsa1
>
>/dev/disk:
>total 0
>drwxr-xr-x 2 0 0 220 Jul 13 07:57 by-id
>drwxr-xr-x 2 0 0  80 Jul 13 07:57 by-partuuid
>drwxr-xr-x 2 0 0 120 Jul 13 07:57 by-path
>drwxr-xr-x 2 0 0 120 Jul 13 07:57 by-uuid
>
>/dev/disk/by-id:
>total 0
>lrwxrwxrwx 1 0 0 10 Jul 13 07:57 dm-name-centos-root -> ../../dm-1
>lrwxrwxrwx 1 0 0 10 Jul 13 07:57 dm-name-centos-swap -> ../../dm-0
>lrwxrwxrwx 1 0 0 10 Jul 13 07:57 dm-uuid-LVM-h1j3QuTMYufwLkXftlOrdQsWEVU40Tew27pHUFSG9dFLkELr0VoYUiQiQoijhRty -> ../../dm-1
>lrwxrwxrwx 1 0 0 10 Jul 13 07:57 dm-uuid-LVM-h1j3QuTMYufwLkXftlOrdQsWEVU40TewgGjEvtbuRJUCmZ57Xcscx0pprFjNuQbx -> ../../dm-0
>lrwxrwxrwx 1 0 0 10 Jul 13 07:57 lvm-pv-uuid-oSL8Ce-7wrc-3jNY-bFFx-Ctr8-0AnR-CoIwLL -> ../../sda2
>lrwxrwxrwx 1 0 0  9 Jul 13 07:57 scsi-0QEMU_QEMU_HARDDISK_appliance -> ../../sdb
>lrwxrwxrwx 1 0 0  9 Jul 13 07:57 scsi-0QEMU_QEMU_HARDDISK_hd0 -> ../../sda
>lrwxrwxrwx 1 0 0 10 Jul 13 07:57 scsi-0QEMU_QEMU_HARDDISK_hd0-part1 -> ../../sda1
>lrwxrwxrwx 1 0 0 10 Jul 13 07:57 scsi-0QEMU_QEMU_HARDDISK_hd0-part2 -> ../../sda2
>
>/dev/disk/by-partuuid:
>total 0
>lrwxrwxrwx 1 0 0 10 Jul 13 07:57 0009bfa8-01 -> ../../sda1
>lrwxrwxrwx 1 0 0 10 Jul 13 07:57 0009bfa8-02 -> ../../sda2
>
>/dev/disk/by-path:
>total 0
>lrwxrwxrwx 1 0 0  9 Jul 13 07:57 pci-0000:00:03.0-scsi-0:0:0:0 -> ../../sda
>lrwxrwxrwx 1 0 0 10 Jul 13 07:57 pci-0000:00:03.0-scsi-0:0:0:0-part1 -> ../../sda1
>lrwxrwxrwx 1 0 0 10 Jul 13 07:57 pci-0000:00:03.0-scsi-0:0:0:0-part2 -> ../../sda2
>lrwxrwxrwx 1 0 0  9 Jul 13 07:57 pci-0000:00:03.0-scsi-0:0:1:0 -> ../../sdb
>
>/dev/disk/by-uuid:
>total 0
>lrwxrwxrwx 1 0 0 10 Jul 13 07:57 1886bbf4-3a04-4dd7-af07-a0bfbce008cf -> ../../sda1
>lrwxrwxrwx 1 0 0 10 Jul 13 07:57 c23f7efb-9c27-45c9-8390-19ad4fc88381 -> ../../dm-1
>lrwxrwxrwx 1 0 0 10 Jul 13 07:57 ccaa46bd-6f2c-42d0-a46c-87d5ae430d60 -> ../../dm-0
>lrwxrwxrwx 1 0 0  9 Jul 13 07:57 f6550e13-60af-41f7-9bf9-b44569d82feb -> ../../sdb
>
>/dev/input:
>total 0
>crw------- 1 0 0 13, 63 Jul 13 07:57 mice
>
>/dev/mapper:
>total 0
>lrwxrwxrwx 1 0 0       7 Jul 13 07:57 centos-root -> ../dm-1
>lrwxrwxrwx 1 0 0       7 Jul 13 07:57 centos-swap -> ../dm-0
>crw------- 1 0 0 10, 236 Jul 13 07:57 control
>
>/dev/pts:
>total 0
>c--------- 1 0 0 5, 2 Jul 13 07:57 ptmx
>
>/dev/shm:
>total 0
>
>/dev/virtio-ports:
>total 0
>lrwxrwxrwx 1 0 0 11 Jul 13 07:57 org.libguestfs.channel.0 -> ../vport2p1
>+ cat /proc/mounts
>/dev/root / ext2 rw,noatime,block_validity,barrier,user_xattr,acl 0 0
>/proc /proc proc rw,relatime 0 0
>/sys /sys sysfs rw,relatime 0 0
>tmpfs /run tmpfs rw,nosuid,relatime,size=96952k,mode=755 0 0
>/dev /dev devtmpfs rw,relatime,size=238080k,nr_inodes=59520,mode=755 0 0
>/dev/pts /dev/pts devpts rw,relatime,mode=600,ptmxmode=000 0 0
>shmfs /dev/shm tmpfs rw,relatime 0 0
>+ cat /proc/mdstat
>cat: /proc/mdstat: No such file or directory
>+ lvm pvs
>  WARNING: Failed to connect to lvmetad. Falling back to device scanning.
>  PV         VG     Fmt  Attr PSize   PFree
>  /dev/sda2  centos lvm2 a--  <19.00g    0 
>+ lvm vgs
>  WARNING: Failed to connect to lvmetad. Falling back to device scanning.
>  VG     #PV #LV #SN Attr   VSize   VFree
>  centos   1   2   0 wz--n- <19.00g    0 
>+ lvm lvs
>  WARNING: Failed to connect to lvmetad. Falling back to device scanning.
>  LV   VG     Attr       LSize   Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert
>  root centos -wi-a----- <17.00g                                                    
>  swap centos -wi-a-----   2.00g                                                    
>+ ip a
>1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
>    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
>    inet 127.0.0.1/8 brd 127.255.255.255 scope host lo
>       valid_lft forever preferred_lft forever
>    inet6 ::1/128 scope host 
>       valid_lft forever preferred_lft forever
>+ ip r
>+ cat /etc/resolv.conf
>cat: /etc/resolv.conf: No such file or directory
>+ lsmod
>Module                  Size  Used by
>dm_mod                143360  4
>sg                     36864  0
>libcrc32c              16384  0
>crc7                   16384  0
>crc_itu_t              16384  0
>crc_ccitt              16384  0
>ext4                  716800  1
>crc16                  16384  1 ext4
>mbcache                16384  1 ext4
>jbd2                  118784  1 ext4
>fscrypto               32768  1 ext4
>virtio_pci             28672  0
>virtio_mmio            16384  0
>virtio_input           16384  0
>virtio_balloon         20480  0
>virtio_scsi            20480  2
>sd_mod                 53248  3
>nd_pmem                16384  0
>nd_btt                 24576  1 nd_pmem
>virtio_net             49152  0
>virtio_crypto          24576  0
>crypto_engine          16384  1 virtio_crypto
>virtio_console         36864  0
>virtio_rng             16384  0
>rng_core               16384  1 virtio_rng
>virtio_blk             20480  0
>virtio_ring            28672  10 virtio_input,virtio_blk,virtio_net,virtio_rng,virtio_mmio,virtio_scsi,virtio_balloon,virtio_crypto,virtio_console,virtio_pci
>virtio                 16384  10 virtio_input,virtio_blk,virtio_net,virtio_rng,virtio_mmio,virtio_scsi,virtio_balloon,virtio_crypto,virtio_console,virtio_pci
>ata_piix               36864  0
>libata                274432  1 ata_piix
>scsi_mod              253952  4 sd_mod,virtio_scsi,libata,sg
>nfit                   61440  0
>libnvdimm             163840  3 nd_btt,nd_pmem,nfit
>crc32c_generic         16384  0
>crc32_generic          16384  0
>crct10dif_pclmul       16384  0
>crc32c_intel           24576  1
>crc32_pclmul           16384  0
>+ date
>Fri Jul 13 07:57:09 UTC 2018
>+ echo -n 'clocksource: '
>clocksource: + cat /sys/devices/system/clocksource/clocksource0/current_clocksource
>kvm-clock
>+ echo -n 'uptime: '
>uptime: + cat /proc/uptime
>3.35 0.74
>+ cmd=guestfsd
>++ grep -Eo 'guestfs_channel=[^[:space:]]+' /proc/cmdline
>+ eval
>+ test x '!=' x
>+ test 1 = 1
>+ cmd='guestfsd --verbose'
>+ test '' = 1
>+ false
>+ test '' = 1
>+ echo guestfsd --verbose
>guestfsd --verbose
>+ guestfsd --verbose
>OCaml daemon loaded
>lvm config:
>lvmetad
>trying to open virtio-serial channel '/dev/virtio-ports/org.libguestfs.channel.0'
>commandrvf: stdout=n stderr=y flags=0x0
>commandrvf: udevadm --debug settle
>calling: settle
>libguestfs: recv_from_daemon: received GUESTFS_LAUNCH_FLAG
>libguestfs: appliance is up
>libguestfs: trace: launch = 0
>libguestfs: trace: mount_options "" "/dev/centos/root" "/"
>guestfsd: <= mount_options (0x4a) request length 72 bytes
>commandrvf: stdout=n stderr=y flags=0x0
>commandrvf: udevadm --debug settle -E /dev/centos/root
>calling: settle
>command: mount '/dev/centos/root' '/sysroot//'
>[    3.513553] SGI XFS with ACLs, security attributes, realtime, no debug enabled
>[    3.526064] XFS (dm-1): Mounting V5 Filesystem
>qemu-system-x86_64: Could not write to allocated cluster for streamOptimized
>qemu-system-x86_64: Could not write to allocated cluster for streamOptimized
>qemu-system-x86_64: Could not write to allocated cluster for streamOptimized
>qemu-system-x86_64: Could not write to allocated cluster for streamOptimized
>qemu-system-x86_64: Could not write to allocated cluster for streamOptimized
>qemu-system-x86_64: Could not write to allocated cluster for streamOptimized
>qemu-system-x86_64: Could not write to allocated cluster for streamOptimized
>qemu-system-x86_64: Could not write to allocated cluster for streamOptimized
>qemu-system-x86_64: Could not write to allocated cluster for streamOptimized
>qemu-system-x86_64: Could not write to allocated cluster for streamOptimized
>qemu-system-x86_64: Could not write to allocated cluster for streamOptimized
>qemu-system-x86_64: Could not write to allocated cluster for streamOptimized
>qemu-system-x86_64: Could not write to allocated cluster for streamOptimized
>qemu-system-x86_64: Could not write to allocated cluster for streamOptimized
>qemu-system-x86_64: Could not write to allocated cluster for streamOptimized
>qemu-system-x86_64: Could not write to allocated cluster for streamOptimized
>qemu-system-x86_64: Could not write to allocated cluster for streamOptimized
>qemu-system-x86_64: Could not write to allocated cluster for streamOptimized
>[    3.628276] sd 2:0:0:0: [sda] tag#2 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
>[    3.632265] sd 2:0:0:0: [sda] tag#2 Sense Key : Aborted Command [current] 
>[    3.632265] sd 2:0:0:0: [sda] tag#2 Add. Sense: I/O process terminated
>[    3.632265] sd 2:0:0:0: [sda] tag#2 CDB: Write(10) 2a 00 01 70 32 e4 00 00 48 00
>[    3.632265] print_req_error: I/O error, dev sda, sector 24130276
>[    3.632265] sd 2:0:0:0: [sda] tag#1 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
>[    3.632265] sd 2:0:0:0: [sda] tag#1 Sense Key : Aborted Command [current] 
>[    3.632265] sd 2:0:0:0: [sda] tag#1 Add. Sense: I/O process terminated
>[    3.632265] sd 2:0:0:0: [sda] tag#1 CDB: Write(10) 2a 00 01 70 28 e4 00 0a 00 00
>[    3.632265] print_req_error: I/O error, dev sda, sector 24127716
>[    3.632265] sd 2:0:0:0: [sda] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
>[    3.632265] sd 2:0:0:0: [sda] tag#0 Sense Key : Aborted Command [current] 
>[    3.632265] sd 2:0:0:0: [sda] tag#0 Add. Sense: I/O process terminated
>[    3.632265] sd 2:0:0:0: [sda] tag#0 CDB: Write(10) 2a 00 01 70 23 2c 00 05 b8 00
>[    3.632265] print_req_error: I/O error, dev sda, sector 24126252
>[    3.632265] XFS (dm-1): xfs_do_force_shutdown(0x1) called from line 1217 of file /build/linux-jIx23a/linux-4.15.11/fs/xfs/xfs_buf.c.  Return address = 0x00000000834a9276
>[    3.731935] XFS (dm-1): I/O Error Detected. Shutting down filesystem
>[    3.737333] XFS (dm-1): Please umount the filesystem and rectify the problem(s)
>[    3.743614] XFS (dm-1): metadata I/O error: block 0x110132c ("xlog_bwrite") error 5 numblks 8192
>[    3.751021] XFS (dm-1): failed to locate log tail
>[    3.755130] XFS (dm-1): log mount/recovery failed: error -5
>[    3.759962] XFS (dm-1): log mount failed
>command: mount returned 32
>command: mount: stderr:
>mount: /sysroot: can't read superblock on /dev/mapper/centos-root.
>ocaml_exn: 'mount_options' raised 'Failure' exception
>guestfsd: error: mount exited with status 32: mount: /sysroot: can't read superblock on /dev/mapper/centos-root.
>libguestfs: trace: mount_options = -1 (error)
>libguestfs: error: mount_options: mount exited with status 32: mount: /sysroot: can't read superblock on /dev/mapper/centos-root.
>libguestfs: trace: list_filesystems
>guestfsd: => mount_options (0x4a) took 0.32 secs
>guestfsd: <= list_filesystems (0x1dc) request length 40 bytes
>commandrvf: stdout=n stderr=y flags=0x0
>commandrvf: udevadm --debug settle -E /dev/sdb
>calling: settle
>commandrvf: stdout=n stderr=y flags=0x0
>commandrvf: udevadm --debug settle -E /dev/sda
>calling: settle
>commandrvf: stdout=n stderr=y flags=0x0
>commandrvf: udevadm --debug settle -E /dev/sdb
>calling: settle
>commandrvf: stdout=n stderr=y flags=0x0
>commandrvf: udevadm --debug settle -E /dev/sda
>calling: settle
>command: sfdisk '--help'
>command: sfdisk returned 0
>command: sfdisk: stdout:
>
>Usage:
> sfdisk [options] <dev> [[-N] <part>]
> sfdisk [options] <command>
>
>Display or manipulate a disk partition table.
>
>Commands:
> -A, --activate <dev> [<part> ...] list or set bootable MBR partitions
> -d, --dump <dev>                  dump partition table (usable for later input)
> -J, --json <dev>                  dump partition table in JSON format
> -g, --show-geometry [<dev> ...]   list geometry of all or specified devices
> -l, --list [<dev> ...]            list partitions of each device
> -F, --list-free [<dev> ...]       list unpartitioned free areas of each device
> -r, --reorder <dev>               fix partitions order (by start offset)
> -s, --show-size [<dev> ...]       list sizes of all or specified devices
> -T, --list-types                  print the recognized types (see -X)
> -V, --verify [<dev> ...]          test whether partitions seem correct
>     --delete <dev> [<part> ...]   delete all or specified partitions
>
> --part-label <dev> <part> [<str>] print or change partition label
> --part-type <dev> <part> [<type>] print or change partition type
> --part-uuid <dev> <part> [<uuid>] print or change partition uuid
> --part-attrs <dev> <part> [<str>] print or change partition attributes
>
> <dev>                     device (usually disk) path
> <part>                    partition number
> <type>                    partition type, GUID for GPT, hex for MBR
>
>Options:
> -a, --append              append partitions to existing partition table
> -b, --backup              backup partition table sectors (see -O)
>     --bytes               print SIZE in bytes rather than in human readable format
>     --move-data[=<typescript>] move partition data after relocation (requires -N)
> -f, --force               disable all consistency checking
>     --color[=<when>]      colorize output (auto, always or never)
>                             colors are enabled by default
> -N, --partno <num>        specify partition number
> -n, --no-act              do everything except write to device
>     --no-reread           do not check whether the device is in use
>     --no-tell-kernel      do not tell kernel about changes
> -O, --backup-file <path>  override default backup file name
> -o, --output <list>       output columns
> -q, --quiet               suppress extra info messages
> -w, --wipe <mode>         wipe signatures (auto, always or never)
> -W, --wipe-partitions <mode>  wipe signatures from new partitions (auto, always or never)
> -X, --label <name>        specify label type (dos, gpt, ...)
> -Y, --label-nested <name> specify nested label type (dos, bsd)
>
> -G, --show-pt-geometry    deprecated, alias to --show-geometry
> -L, --Linux               deprecated, only for backward compatibility
> -u, --unit S              deprecated, only sector unit is supported
>
> -h, --help                display this help
> -v, --version             display version
>
>Available output columns:
> gpt: Device Start End Sectors Size Type Type-UUID Attrs Name UUID
> dos: Device Start End Sectors Cylinders Size Type Id Attrs Boot End-C/H/S
>      Start-C/H/S
> bsd: Slice Start End Sectors Cylinders Size Type Bsize Cpg Fsize
> sgi: Device Start End Sectors Cylinders Size Type Id Attrs
> sun: Device Start End Sectors Cylinders Size Type Id Flags
>
>For more details see sfdisk(8).
>commandrvf: stdout=n stderr=y flags=0x0
>commandrvf: udevadm --debug settle
>calling: settle
>command: sfdisk '--part-type' '/dev/sda' '1'
>command: sfdisk returned 0
>command: sfdisk: stdout:
>83
>commandrvf: stdout=n stderr=y flags=0x0
>commandrvf: udevadm --debug settle
>calling: settle
>command: blkid '-c' '/dev/null' '-o' 'value' '-s' 'TYPE' '/dev/sda1'
>command: blkid returned 0
>command: blkid: stdout:
>xfs
>commandrvf: stdout=n stderr=y flags=0x0
>commandrvf: udevadm --debug settle
>calling: settle
>command: sfdisk '--part-type' '/dev/sda' '2'
>command: sfdisk returned 0
>command: sfdisk: stdout:
>8e
>commandrvf: stdout=n stderr=y flags=0x0
>commandrvf: udevadm --debug settle
>calling: settle
>command: blkid '-c' '/dev/null' '-o' 'value' '-s' 'TYPE' '/dev/sda2'
>command: blkid returned 0
>command: blkid: stdout:
>LVM2_member
>command: lvm 'lvs' '--help'
>command: lvm returned 0
>command: lvm: stdout:
>  lvs - Display information about logical volumes
>
>  lvs
>\t[ -H|--history ]
>\t[ -a|--all ]
>\t[ -o|--options String ]
>\t[ -S|--select String ]
>\t[ -O|--sort String ]
>\t[    --segments ]
>\t[    --aligned ]
>\t[    --binary ]
>\t[    --configreport log|vg|lv|pv|pvseg|seg ]
>\t[    --foreign ]
>\t[    --ignorelockingfailure ]
>\t[    --ignoreskippedcluster ]
>\t[    --logonly ]
>\t[    --nameprefixes ]
>\t[    --noheadings ]
>\t[    --nolocking ]
>\t[    --nosuffix ]
>\t[    --readonly ]
>\t[    --reportformat basic|json ]
>\t[    --rows ]
>\t[    --separator String ]
>\t[    --shared ]
>\t[    --trustcache ]
>\t[    --unbuffered ]
>\t[    --units r|R|h|H|b|B|s|S|k|K|m|M|g|G|t|T|p|P|e|E ]
>\t[    --unquoted ]
>\t[ COMMON_OPTIONS ]
>\t[ VG|LV|Tag ... ]
>
>  Common options for lvm:
>\t[ -d|--debug ]
>\t[ -h|--help ]
>\t[ -q|--quiet ]
>\t[ -v|--verbose ]
>\t[ -y|--yes ]
>\t[ -t|--test ]
>\t[    --commandprofile String ]
>\t[    --config String ]
>\t[    --driverloaded y|n ]
>\t[    --longhelp ]
>\t[    --profile String ]
>\t[    --version ]
>
>  Use --longhelp to show all options and advanced commands.
>command: lvm: stderr:
>  WARNING: Failed to connect to lvmetad. Falling back to device scanning.
>command: lvm 'lvs' '-o' 'vg_name,lv_name' '-S' 'lv_role=public && lv_skip_activation!=yes' '--noheadings' '--separator' '/'
>command: lvm returned 0
>command: lvm: stdout:
>  centos/root
>  centos/swap
>command: lvm: stderr:
>  WARNING: Failed to connect to lvmetad. Falling back to device scanning.
>command: blkid '-c' '/dev/null' '-o' 'value' '-s' 'TYPE' '/dev/centos/root'
>command: blkid returned 0
>command: blkid: stdout:
>xfs
>command: blkid '-c' '/dev/null' '-o' 'value' '-s' 'TYPE' '/dev/centos/swap'
>command: blkid returned 0
>command: blkid: stdout:
>swap
>guestfslibguestfs: trace: list_filesystems = ["/dev/sda1", "xfs", "/dev/centos/root", "xfs", "/dev/centos/swap", "swap"]
>guestmount: â/dev/centos/rootâ could not be mounted.
>guestmount: Did you mean to mount one of these filesystems?
>libguestfs: trace: mountable_device "/dev/sda1"
>libguestfs: trace: internal_parse_mountable "/dev/sda1"
>d: => list_filesystems (0x1dc) took 0.60 secs
>guestfsd: <= internal_parse_mountable (0x18c) request length 56 bytes
>commandrvf: stdout=n stderr=y flags=0x0
>commandrvf: udevadm --debug settle -E /dev/sda1
>calling: settle
>libguestfs: trace: internal_parse_mountable = <struct guestfs_internal_mountable = im_type: 0, im_device: /dev/sda1, im_volume: , >
>libguestfs: trace: mountable_device = "/dev/sda1"
>libguestfs: trace: mountable_subvolume "/dev/sda1"
>libguestfs: trace: internal_parse_mountable "/dev/sda1"
>guestfsd: => internal_parse_mountable (0x18c) took 0.02 secs
>guestfsd: <= internal_parse_mountable (0x18c) request length 56 bytes
>commandrvf: stdout=n stderr=y flags=0x0
>commandrvf: udevadm --debug settle -E /dev/sda1
>calling: settle
>libguestfs: trace: internal_parse_mountable = <struct guestfs_internal_mountable = im_type: 0, im_device: /dev/sda1, im_volume: , >
>libguestfs: trace: mountable_subvolume = NULL (error)
>libguestfs: trace: canonical_device_name "/dev/sda1"
>libguestfs: trace: canonical_device_name = "/dev/sda1"
>guestmount: 	/dev/sda1 (xfs)
>libguestfs: trace: mountable_device "/dev/centos/root"
>libguestfs: trace: internal_parse_mountable "/dev/centos/root"
>guestfsd: => internal_parse_mountable (0x18c) took 0.02 secs
>guestfsd: <= internal_parse_mountable (0x18c) request length 60 bytes
>commandrvf: stdout=n stderr=y flags=0x0
>commandrvf: udevadm --debug settle -E /dev/centos/root
>calling: settle
>libguestfs: trace: internal_parse_mountable = <struct guestfs_internal_mountable = im_type: 0, im_device: /dev/centos/root, im_volume: , >
>libguestfs: trace: mountable_device = "/dev/centos/root"
>libguestfs: trace: mountable_subvolume "/dev/centos/root"
>libguestfs: trace: internal_parse_mountable "/dev/centos/root"
>guestfsd: => internal_parse_mountable (0x18c) took 0.02 secs
>guestfsd: <= internal_parse_mountable (0x18c) request length 60 bytes
>commandrvf: stdout=n stderr=y flags=0x0
>commandrvf: udevadm --debug settle -E /dev/centos/root
>calling: settle
>libguestfs: trace: internal_parse_mountable = <struct guestfs_internal_mountable = im_type: 0, im_device: /dev/centos/root, im_volume: , >
>libguestfs: trace: mountable_subvolume = NULL (error)
>libguestfs: trace: canonical_device_name "/dev/centos/root"
>libguestfs: trace: canonical_device_name = "/dev/centos/root"
>guestmount: 	/dev/centos/root (xfs)
>libguestfs: trace: mountable_device "/dev/centos/swap"
>libguestfs: trace: internal_parse_mountable "/dev/centos/swap"
>guestfsd: => internal_parse_mountable (0x18c) took 0.02 secs
>guestfsd: <= internal_parse_mountable (0x18c) request length 60 bytes
>commandrvf: stdout=n stderr=y flags=0x0
>commandrvf: udevadm --debug settle -E /dev/centos/swap
>calling: settle
>libguestfs: trace: internal_parse_mountable = <struct guestfs_internal_mountable = im_type: 0, im_device: /dev/centos/swap, im_volume: , >
>libguestfs: trace: mountable_device = "/dev/centos/swap"
>libguestfs: trace: mountable_subvolume "/dev/centos/swap"
>libguestfs: trace: internal_parse_mountable "/dev/centos/swap"
>guestfsd: => internal_parse_mountable (0x18c) took 0.02 secs
>guestfsd: <= internal_parse_mountable (0x18c) request length 60 bytes
>commandrvf: stdout=n stderr=y flags=0x0
>commandrvf: udevadm --debug settle -E /dev/centos/swap
>calling: settle
>libguestfs: trace: internal_parse_mountable = <struct guestfs_internal_mountable = im_type: 0, im_device: /dev/centos/swap, im_volume: , >
>libguestfs: trace: mountable_subvolume = NULL (error)
>libguestfs: trace: canonical_device_name "/dev/centos/swap"
>libguestfs: trace: canonical_device_name = "/dev/centos/swap"
>guestmount: 	/dev/centos/swap (swap)
>libguestfs: trace: close
>libguestfs: closing guestfs handle 0x5577d890d790 (state 2)
>libguestfs: trace: internal_autosync
>guestfsd: => internal_parse_mountable (0x18c) took 0.02 secs
>guestfsd: <= internal_autosync (0x11a) request length 40 bytes
>umount-all: /proc/mounts: fsname=/dev/root dir=/ type=ext2 opts=rw,noatime,block_validity,barrier,user_xattr,acl freq=0 passno=0
>umount-all: /proc/mounts: fsname=/proc dir=/proc type=proc opts=rw,relatime freq=0 passno=0
>umount-all: /proc/mounts: fsname=/sys dir=/sys type=sysfs opts=rw,relatime freq=0 passno=0
>umount-all: /proc/mounts: fsname=tmpfs dir=/run type=tmpfs opts=rw,nosuid,relatime,size=96952k,mode=755 freq=0 passno=0
>umount-all: /proc/mounts: fsname=/dev dir=/dev type=devtmpfs opts=rw,relatime,size=238080k,nr_inodes=59520,mode=755 freq=0 passno=0
>umount-all: /proc/mounts: fsname=/dev/pts dir=/dev/pts type=devpts opts=rw,relatime,mode=600,ptmxmode=000 freq=0 passno=0
>umount-all: /proc/mounts: fsname=shmfs dir=/dev/shm type=tmpfs opts=rw,relatime freq=0 passno=0
>commandrvf: stdout=n stderr=y flags=0x0
>commandrvf: udevadm --debug settle -E /dev/sdb
>calling: settle
>commandrvf: stdout=n stderr=y flags=0x0
>commandrvf: udevadm --debug settle -E /dev/sda
>calling: settle
>fsync /dev/sda
>libguestfs: trace: internal_autosync = 0
>libguestfs: sending SIGTERM to process 16568
>libguestfs: qemu maxrss 201200K
>libguestfs: command: run: rm
>libguestfs: command: run: \ -rf /tmp/libguestfsvqNIN4
>libguestfs: command: run: rm
>libguestfs: command: run: \ -rf /tmp/libguestfsfEUs4B

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Attachments on bug 1600789: 1458680