[Libguestfs] virt-df -a xxx.qcow2 failure, after about ten minutes , failed

Thu Nov 28 12:30:49 UTC 2019

use the virt-df to query vm disk usage like this:
virt-df -a /home/centos7_mini.qcow2
then check:
virsh list --all
Id Name State

1 guestfs-p1km7lhfowv8o0q1running //virt-df will create a vm in temp filesystem

but after a few minutes , still fails to get the vm disk usage , why ??

[root at bogon libguestfs-1.38.2]# uname -ar
Linux bogon 3.10.0 #2 SMP Thu Nov 28 06:06:42 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

[root at localhost ~]# virt-df --version
virt-df 1.40.2rhel=7,release=5.el7_7.1,libvirt

below is the virt-df run debug log

==========================================
libguestfs: trace: set_verbose true
libguestfs: trace: set_verbose = 0
libguestfs: create: flags = 0, handle = 0x55c0c085c6e0, program = virt-df
libguestfs: trace: add_drive "/home/zt/centos7_mini.qcow2" "readonly:true"
libguestfs: creating COW overlay to protect original drive content
libguestfs: trace: disk_format "/home/zt/centos7_mini.qcow2"
libguestfs: command: run: qemu-img --help | grep -sqE -- '\binfo\b.-U\b'
libguestfs: command: run: qemu-img
libguestfs: command: run: \ info
libguestfs: command: run: \ -U
libguestfs: command: run: \ --output json
libguestfs: command: run: \ /home/zt/centos7_mini.qcow2
libguestfs: parse_json: qemu-img info JSON output:\n{\n "virtual-size": 17179869184,\n "filename": "/home/zt/centos7_mini.qcow2",\n "cluster-size": 65536,\n "format": "qcow2",\n "actual-size": 1430130688,\n "format-specific": {\n "type": "qcow2",\n "data": {\n "compat": "1.1",\n "lazy-refcounts": false,\n "refcount-bits": 16,\n "corrupt": false\n }\n },\n "dirty-flag": false\n}\n\n
libguestfs: trace: disk_format = "qcow2"
libguestfs: trace: get_tmpdir
libguestfs: trace: get_tmpdir = "/tmp"
libguestfs: trace: disk_create "/tmp/libguestfso7dtGK/overlay1.qcow2" "qcow2" -1 "backingfile:/home/zt/centos7_mini.qcow2" "backingformat:qcow2"
libguestfs: command: run: qemu-img
libguestfs: command: run: \ create
libguestfs: command: run: \ -f qcow2
libguestfs: command: run: \ -o backing_file=/home/zt/centos7_mini.qcow2,backing_fmt=qcow2
libguestfs: command: run: \ /tmp/libguestfso7dtGK/overlay1.qcow2
Formatting '/tmp/libguestfso7dtGK/overlay1.qcow2', fmt=qcow2 size=17179869184 backing_file=/home/zt/centos7_mini.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
libguestfs: trace: disk_create = 0
libguestfs: trace: get_backend_setting "internal_libvirt_imagelabel"
libguestfs: trace: get_backend_setting = NULL (error)
libguestfs: trace: add_drive = 0
libguestfs: trace: launch
libguestfs: trace: max_disks
libguestfs: trace: max_disks = 255
libguestfs: trace: version
libguestfs: trace: version = <struct guestfs_version = major: 1, minor: 40, release: 2, extra: rhel=7,release=5.el7_7.2,libvirt, >
libguestfs: trace: get_backend
libguestfs: trace: get_backend = "libvirt"
libguestfs: launch: program=virt-dflibguestfs: launch: version=1.40.2rhel=7,release=5.el7_7.2,libvirt
libguestfs: launch: backend registered: unix
libguestfs: launch: backend registered: uml
libguestfs: launch: backend registered: libvirt
libguestfs: launch: backend registered: direct
libguestfs: launch: backend=libvirt
libguestfs: launch: tmpdir=/tmp/libguestfso7dtGK
libguestfs: launch: umask=0022
libguestfs: launch: euid=0
libguestfs: libvirt version = 4005000 (4.5.0)
libguestfs: guest random name = guestfs-p1km7lhfowv8o0q1
libguestfs: connect to libvirt
libguestfs: opening libvirt handle: URI = qemu:///system, auth = default+wrapper, flags = 0
libguestfs: successfully opened libvirt handle: conn = 0x55c0c085de00
libguestfs: qemu version (reported by libvirt) = 3000000 (3.0.0)
libguestfs: get libvirt capabilities
libguestfs: parsing capabilities XML
libguestfs: trace: get_backend_setting "force_tcg"
libguestfs: trace: get_backend_setting = NULL (error)
libguestfs: trace: get_backend_setting "internal_libvirt_label"
libguestfs: trace: get_backend_setting = NULL (error)
libguestfs: trace: get_backend_setting "internal_libvirt_imagelabel"
libguestfs: trace: get_backend_setting = NULL (error)
libguestfs: trace: get_backend_setting "internal_libvirt_norelabel_disks"
libguestfs: trace: get_backend_setting = NULL (error)
libguestfs: build appliance
libguestfs: trace: get_cachedir
libguestfs: trace: get_cachedir = "/var/tmp"
libguestfs: begin building supermin appliance
libguestfs: run supermin
libguestfs: command: run: /usr/bin/supermin5
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/lib64/guestfs/supermin.d
libguestfs: command: run: \ -o /var/tmp/.guestfs-0/appliance.d
supermin: version: 5.1.19
supermin: rpm: detected RPM version 4.11
supermin: package handler: fedora/rpm
supermin: acquiring lock on /var/tmp/.guestfs-0/lock
supermin: build: /usr/lib64/guestfs/supermin.d
supermin: reading the supermin appliance
supermin: build: visiting /usr/lib64/guestfs/supermin.d/base.tar.gz type gzip base image (tar)
supermin: build: visiting /usr/lib64/guestfs/supermin.d/daemon.tar.gz type gzip base image (tar)
supermin: build: visiting /usr/lib64/guestfs/supermin.d/excludefiles type uncompressed excludefiles
supermin: build: visiting /usr/lib64/guestfs/supermin.d/hostfiles type uncompressed hostfiles
supermin: build: visiting /usr/lib64/guestfs/supermin.d/init.tar.gz type gzip base image (tar)
supermin: build: visiting /usr/lib64/guestfs/supermin.d/packages type uncompressed packages
supermin: build: visiting /usr/lib64/guestfs/supermin.d/udev-rules.tar.gz type gzip base image (tar)
supermin: mapping package names to installed packages
supermin: resolving full list of package dependencies
supermin: build: 198 packages, including dependencies
supermin: build: 31773 files
supermin: build: 7626 files, after matching excludefiles
supermin: build: 7635 files, after adding hostfiles
supermin: build: 7607 files, after removing unreadable files
supermin: build: 7641 files, after munging
supermin: kernel: looking for kernel using environment variables ...
supermin: kernel: looking for kernels in /lib/modules//vmlinuz ...
supermin: kernel: looking for kernels in /boot ...
supermin: kernel: kernel version of /boot/vmlinuz-3.10.0.old = 3.10.0 (from content)
supermin: kernel: picked modules path /lib/modules/3.10.0
supermin: kernel: kernel version of /boot/vmlinuz-3.10.0-957.5.1.el7.x86_64 = 3.10.0-957.5.1.el7.x86_64 (from content)
supermin: kernel: picked modules path /lib/modules/3.10.0-957.5.1.el7.x86_64
supermin: kernel: kernel version of /boot/vmlinuz-3.10.0-862.14.4.el7.x86_64 = 3.10.0-862.14.4.el7.x86_64 (from content)
supermin: kernel: picked modules path /lib/modules/3.10.0-862.14.4.el7.x86_64
supermin: kernel: kernel version of /boot/vmlinuz-3.10.0-862.11.6.el7.x86_64 = 3.10.0-862.11.6.el7.x86_64 (from content)
supermin: kernel: picked modules path /lib/modules/3.10.0-862.11.6.el7.x86_64
supermin: kernel: kernel version of /boot/vmlinuz-3.10.0-693.el7.x86_64 = 3.10.0-693.el7.x86_64 (from content)
supermin: kernel: picked modules path /lib/modules/3.10.0-693.el7.x86_64
supermin: kernel: kernel version of /boot/vmlinuz-3.10.0 = 3.10.0 (from content)
supermin: kernel: picked modules path /lib/modules/3.10.0
supermin: kernel: kernel version of /boot/vmlinuz-0-rescue-cadf9c26ef974279b4fff2fd4c3f4767 = 3.10.0-693.el7.x86_64 (from content)
supermin: kernel: picked modules path /lib/modules/3.10.0-693.el7.x86_64
supermin: kernel: picked vmlinuz /boot/vmlinuz-3.10.0.old
supermin: kernel: kernel_version 3.10.0
supermin: kernel: modpath /lib/modules/3.10.0
supermin: ext2: creating empty ext2 filesystem '/var/tmp/.guestfs-0/appliance.d.mno21beq/root'
supermin: ext2: populating from base image
supermin: ext2: copying files from host filesystem
supermin: ext2: copying kernel modules
supermin: ext2: creating minimal initrd '/var/tmp/.guestfs-0/appliance.d.mno21beq/initrd'
supermin: ext2: wrote 1 modules to minimal initrd
supermin: renaming /var/tmp/.guestfs-0/appliance.d.mno21beq to /var/tmp/.guestfs-0/appliance.d
libguestfs: finished building supermin appliance
libguestfs: trace: disk_create "/tmp/libguestfso7dtGK/overlay2.qcow2" "qcow2" -1 "backingfile:/var/tmp/.guestfs-0/appliance.d/root" "backingformat:raw"
libguestfs: command: run: qemu-img
libguestfs: command: run: \ create
libguestfs: command: run: \ -f qcow2
libguestfs: command: run: \ -o backing_file=/var/tmp/.guestfs-0/appliance.d/root,backing_fmt=raw
libguestfs: command: run: \ /tmp/libguestfso7dtGK/overlay2.qcow2
Formatting '/tmp/libguestfso7dtGK/overlay2.qcow2', fmt=qcow2 size=4294967296 backing_file=/var/tmp/.guestfs-0/appliance.d/root backing_fmt=raw cluster_size=65536 lazy_refcounts=off refcount_bits=16
libguestfs: trace: disk_create = 0
libguestfs: trace: get_sockdir
libguestfs: trace: get_sockdir = "/tmp"
libguestfs: set_socket_create_context: getcon failed: (none): Invalid argument [you can ignore this message if you are not using SELinux + sVirt]
libguestfs: clear_socket_create_context: setsockcreatecon failed: NULL: Invalid argument [you can ignore this message if you are not using SELinux + sVirt]
libguestfs: create libvirt XML
libguestfs: trace: get_cachedir
libguestfs: trace: get_cachedir = "/var/tmp"
libguestfs: libvirt XML:\n\n\n guestfs-p1km7lhfowv8o0q1\n 768\n 768\n \n \n \n 1\n \n \n \n \n \n \n hvm\n /var/tmp/.guestfs-0/appliance.d/kernel\n /var/tmp/.guestfs-0/appliance.d/initrd\n 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=linux\n \n \n <on_reboot>destroy</on_reboot>\n \n \n /dev/urandom\n \n \n \n \n \n \n

\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n qemu:commandline\n <qemu:env name="TMPDIR" value="/var/tmp"/>\n </qemu:commandline>\n\n
libguestfs: trace: get_cachedir
libguestfs: trace: get_cachedir = "/var/tmp"
libguestfs: command: run: ls
libguestfs: command: run: \ -a
libguestfs: command: run: \ -l
libguestfs: command: run: \ -R
libguestfs: command: run: \ -Z /var/tmp/.guestfs-0
libguestfs: /var/tmp/.guestfs-0:
libguestfs: drwxr-xr-x root root ? .
libguestfs: drwxrwxrwt. root root system_u:object_r:tmp_t:s0 ..
libguestfs: drwxr-xr-x root root ? appliance.d
libguestfs: -rw-r--r-- root root ? lock
libguestfs:
libguestfs: /var/tmp/.guestfs-0/appliance.d:
libguestfs: drwxr-xr-x root root ? .
libguestfs: drwxr-xr-x root root ? ..
libguestfs: -rw-r--r-- root root ? initrd
libguestfs: -rw-r--r-- root root ? kernel
libguestfs: -rw-r--r-- root root ? root
libguestfs: command: run: ls
libguestfs: command: run: \ -a
libguestfs: command: run: \ -l
libguestfs: command: run: \ -Z /tmp/libguestfsh2Idkp
libguestfs: drwxr-xr-x root root ? .
libguestfs: drwxrwxrwt. root root system_u:object_r:tmp_t:s0 ..
libguestfs: srw-rw---- root qemu ? console.sock
libguestfs: srw-rw---- root qemu ? guestfsd.sock
libguestfs: launch libvirt guest
libguestfs: responding to serial console Device Status Report
\x1b[1;256r\x1b[256;256H\x1b[6n
Google, Inc.
Serial Graphics Adapter 06/09/14
SGABIOS $Id: sgabios.S 8 2010-04-22 00:03:40Z nlaredo $ (mockbuild@) Mon Jun 9 21:33:48 UTC 2014
Term: 80x24
4 0
SeaBIOS (version 1.11.0-2.el7)
Machine UUID 05ef63d4-149d-439b-9f26-9cb38ad3d0ab
Booting from ROM...
\x1b[2J[ 0.000000] Initializing cgroup subsys cpuset
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Initializing cgroup subsys cpuacct
[ 0.000000] Linux version 3.10.0 (root at NSG) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-36) (GCC) ) #1 SMP Fri Nov 1 10:40:29 UTC 2019
[ 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=linux
[ 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 0x0000000000100000-0x000000002fffdfff] usable
[ 0.000000] BIOS-e820: [mem 0x000000002fffe000-0x000000002fffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved
[ 0.000000] NX (Execute Disable) protection: active
[ 0.000000] SMBIOS 2.4 present.
[ 0.000000] Hypervisor detected: KVM
[ 0.000000] e820: last_pfn = 0x2fffe max_arch_pfn = 0x400000000
[ 0.000000] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106
[ 0.000000] found SMP MP-table at [mem 0x000f63b0-0x000f63bf] mapped at [ffff8800000f63b0]
[ 0.000000] Using GB pages for direct mapping
[ 0.000000] RAMDISK: [mem 0x2fe93000-0x2ffeffff]
[ 0.000000] Early table checksum verification disabled
[ 0.000000] ACPI BIOS Error (bug): A valid RSDP was not found (20130517/tbxfroot-243)
[ 0.000000] No NUMA configuration found
[ 0.000000] Faking a node at [mem 0x0000000000000000-0x000000002fffdfff]
[ 0.000000] NODE_DATA(0) allocated [mem 0x2fe6c000-0x2fe92fff]
[ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00
[ 0.000000] kvm-clock: cpu 0, msr 0:2fe1c001, primary cpu clock
[ 0.000000] kvm-clock: using sched offset of 469986551 cycles
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x00001000-0x00ffffff]
[ 0.000000] DMA32 [mem 0x01000000-0xffffffff]
[ 0.000000] Normal empty
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x00001000-0x0009efff]
[ 0.000000] node 0: [mem 0x00100000-0x2fffdfff]
[ 0.000000] Initmem setup node 0 [mem 0x00001000-0x2fffdfff]
[ 0.000000] SFI: Simple Firmware Interface v0.81 http://simplefirmware.org
[ 0.000000] Intel MultiProcessor Specification v1.4
[ 0.000000] MPTABLE: OEM ID: BOCHSCPU
[ 0.000000] MPTABLE: Product ID: 0.1
[ 0.000000] MPTABLE: APIC at: 0xFEE00000
[ 0.000000] Processor #0 (Bootup-CPU)
[ 0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
[ 0.000000] Processors: 1
[ 0.000000] smpboot: Allowing 1 CPUs, 0 hotplug CPUs
[ 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 0x30000000-0xfeffbfff] available for PCI devices
[ 0.000000] Booting paravirtualized kernel on KVM
[ 0.000000] setup_percpu: NR_CPUS:5120 nr_cpumask_bits:1 nr_cpu_ids:1 nr_node_ids:1
[ 0.000000] PERCPU: Embedded 35 pages/cpu @ffff88002fa00000 s104856 r8192 d30312 u2097152
[ 0.000000] KVM setup async PF for cpu 0
[ 0.000000] kvm-stealtime: cpu 0, msr 2fa13440
[ 0.000000] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes)
[ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 193415
[ 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=linux
[ 0.000000] Disabling memory control group subsystem
[ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
[ 0.000000] x86/fpu: xstate_offset[2]: 0240, xstate_sizes[2]: 0100
[ 0.000000] x86/fpu: xstate_offset[3]: 03c0, xstate_sizes[3]: 0040
[ 0.000000] x86/fpu: xstate_offset[4]: 0400, xstate_sizes[4]: 0040
[ 0.000000] x86/fpu: xstate_offset[5]: 0440, xstate_sizes[5]: 0040
[ 0.000000] x86/fpu: xstate_offset[6]: 0480, xstate_sizes[6]: 0200
[ 0.000000] x86/fpu: xstate_offset[7]: 0680, xstate_sizes[7]: 0400
[ 0.000000] xsave: enabled xstate_bv 0xff, cntxt size 0xa80 using standard form
[ 0.000000] Memory: 751528k/786424k available (9076k kernel code, 392k absent, 34504k reserved, 5593k data, 1920k init)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] x86/pti: Unmapping kernel while in userspace
[ 0.000000] Hierarchical RCU implementation.
[ 0.000000] \tRCU restricting CPUs from NR_CPUS=5120 to nr_cpu_ids=1.
[ 0.000000] NR_IRQS:327936 nr_irqs:256 0
[ 0.000000] Console: colour *CGA 80x25
[ 0.000000] console [ttyS0] enabled
[ 0.000000] tsc: Detected 2194.842 MHz processor
[ 0.081491] Calibrating delay loop (skipped) preset value.. 4389.68 BogoMIPS (lpj=2194842)
[ 0.082737] pid_max: default: 32768 minimum: 301
[ 0.083427] Security Framework initialized
[ 0.084051] SELinux: Disabled at boot.
[ 0.084616] Yama: becoming mindful.
[ 0.085397] Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes)
[ 0.086611] Inode-cache hash table entries: 65536 (order: 7, 524288 bytes)
[ 0.087716] Mount-cache hash table entries: 2048 (order: 2, 16384 bytes)
[ 0.088695] Mountpoint-cache hash table entries: 2048 (order: 2, 16384 bytes)
[ 0.089881] Initializing cgroup subsys memory
[ 0.090524] Initializing cgroup subsys devices
[ 0.091186] Initializing cgroup subsys freezer
[ 0.091849] Initializing cgroup subsys blkio
[ 0.092476] Initializing cgroup subsys perf_event
[ 0.093172] Initializing cgroup subsys hugetlb
[ 0.093830] Initializing cgroup subsys pids
[ 0.094446] Initializing cgroup subsys net_prio
[ 0.095208] FEATURE SPEC_CTRL Present
[ 0.095763] FEATURE IBPB_SUPPORT Present
[ 0.097614] mce: CPU supports 10 MCE banks
[ 0.098280] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0
[ 0.099066] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0
[ 0.099846] tlb_flushall_shift: 6
[ 0.130148] Freeing SMP alternatives: 32k freed
[ 0.141606] ftrace: allocating 32908 entries in 129 pages
[ 0.193595] Enabling x2apic
[ 0.194040] Enabled x2apic
[ 0.194799] Switched APIC routing to physical x2apic.
[ 0.197092] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
[ 0.197970] smpboot: CPU0: Intel(R) Xeon(R) Silver 4114 CPU @ 2.20GHz (fam: 06, model: 55, stepping: 04)
[ 0.199410] Performance Events: 32-deep LBR, Skylake events, Intel PMU driver.
[ 0.200556] ... version: 2
[ 0.201182] ... bit width: 48
[ 0.201786] ... generic registers: 8
[ 0.202371] ... value mask: 0000ffffffffffff
[ 0.203146] ... max period: 000000007fffffff
[ 0.203910] ... fixed-purpose events: 3
[ 0.204496] ... event mask: 00000007000000ff
[ 0.205281] KVM setup paravirtual spinlock
[ 0.208083] Brought up 1 CPUs
[ 0.208529] smpboot: Max logical packages: 1
[ 0.209155] smpboot: Total of 1 processors activated (4389.68 BogoMIPS)
[ 0.210565] devtmpfs: initialized
[ 0.213175] EVM: security.selinux
[ 0.213663] EVM: security.ima
[ 0.214100] EVM: security.capability
[ 0.215309] atomic64 test passed for x86-64 platform with CX8 and with SSE
[ 0.216315] pinctrl core: initialized pinctrl subsystem
[ 0.217171] RTC time: 9:25:29, date: 11/28/19
[ 0.217895] NET: Registered protocol family 16
[ 0.218918] PCI: Using configuration type 1 for base access
[ 0.220663] ACPI: Interpreter disabled.
[ 0.221278] vgaarb: loaded
[ 0.221720] SCSI subsystem initialized
[ 0.222322] usbcore: registered new interface driver usbfs
[ 0.223126] usbcore: registered new interface driver hub
[ 0.223903] usbcore: registered new device driver usb
[ 0.224649] pps_core: LinuxPPS API ver. 1 registered
[ 0.225374] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti giometti at linux.it
[ 0.226686] PTP clock support registered
[ 0.227297] PCI: Probing PCI hardware
[ 0.227857] PCI host bridge to bus 0000:00
[ 0.228457] pci_bus 0000:00: root bus resource [io 0x0000-0xffff]
[ 0.229352] pci_bus 0000:00: root bus resource [mem 0x00000000-0x3fffffffffff]
[ 0.230396] pci_bus 0000:00: No busn resource found for root bus, will use [bus 00-ff]
[ 0.237455] pci 0000:00:01.1: legacy IDE quirk: reg 0x10: [io 0x01f0-0x01f7]
[ 0.238486] pci 0000:00:01.1: legacy IDE quirk: reg 0x14: [io 0x03f6]
[ 0.239430] pci 0000:00:01.1: legacy IDE quirk: reg 0x18: [io 0x0170-0x0177]
[ 0.240455] pci 0000:00:01.1: legacy IDE quirk: reg 0x1c: [io 0x0376]
[ 0.266470] pci 0000:00:01.0: PIIX/ICH IRQ router [8086:7000]
[ 0.267495] NetLabel: Initializing
[ 0.268001] NetLabel: domain hash size = 128
[ 0.268632] NetLabel: protocols = UNLABELED CIPSOv4
[ 0.269360] NetLabel: unlabeled traffic allowed by default
[ 0.270239] amd_nb: Cannot enumerate AMD northbridges
[ 0.270978] Switched to clocksource kvm-clock
[ 0.275218] pnp: PnP ACPI: disabled
[ 0.276446] NET: Registered protocol family 2
[ 0.277219] TCP established hash table entries: 8192 (order: 4, 65536 bytes)
[ 0.278256] TCP bind hash table entries: 8192 (order: 5, 131072 bytes)
[ 0.279216] TCP: Hash tables configured (established 8192 bind 8192)
[ 0.280304] TCP: reno registered
[ 0.280784] UDP hash table entries: 512 (order: 2, 16384 bytes)
[ 0.281642] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
[ 0.282598] NET: Registered protocol family 1
[ 0.283246] pci 0000:00:00.0: Limiting direct PCI/PCI transfers
[ 0.284115] pci 0000:00:01.0: PIIX3: Enabling Passive Release
[ 0.284965] pci 0000:00:01.0: Activating ISA DMA hang workarounds
[ 0.290549] Trying to unpack rootfs image as initramfs...
[ 0.292012] Freeing initrd memory: 1396k freed
[ 0.292917] platform rtc_cmos: registered platform RTC device (no PNP device found)
[ 0.294183] AES CTR mode by8 optimization enabled
[ 0.295077] alg: No test for __gcm-aes-aesni (__driver-gcm-aes-aesni)
[ 0.296078] sha1_ssse3: Using AVX2 optimized SHA-1 implementation
[ 0.296991] sha256_ssse3: Using AVX2 optimized SHA-256 implementation
[ 0.298080] futex hash table entries: 256 (order: 2, 16384 bytes)
[ 0.298967] Initialise system trusted keyring
[ 0.299635] audit: initializing netlink socket (disabled)
[ 0.300427] type=2000 audit(1574933130.283:1): initialized
[ 0.328740] bounce pool size: 64 pages
[ 0.329323] HugeTLB registered 1 GB page size, pre-allocated 0 pages
[ 0.330242] HugeTLB registered 2 MB page size, pre-allocated 0 pages
[ 0.331828] zpool: loaded
[ 0.332226] zbud: loaded
[ 0.332724] VFS: Disk quotas dquot_6.5.2
[ 0.333321] Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[ 0.334536] fuse init (API version 7.22)
[ 0.335181] msgmni has been set to 1470
[ 0.335776] Key type big_key registered
[ 0.337262] NET: Registered protocol family 38
[ 0.337917] Key type asymmetric registered
[ 0.338528] Asymmetric key parser 'x509' registered
[ 0.339270] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248)
[ 0.340354] io scheduler noop registered
[ 0.340933] io scheduler deadline registered (default)
[ 0.341703] io scheduler cfq registered
[ 0.342369] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
[ 0.343193] pciehp: PCI Express Hot Plug Controller Driver version: 0.4
[ 0.344265] virtio-pci 0000:00:03.0: PCI->APIC IRQ transform: INT A -> IRQ 25
[ 0.345322] virtio_pci_probe:519: l_rc 0
[ 0.347050] virtio-pci 0000:00:04.0: PCI->APIC IRQ transform: INT A -> IRQ 25
[ 0.348099] virtio_pci_probe:519: l_rc 0
[ 0.349225] virtio-pci 0000:00:05.0: PCI->APIC IRQ transform: INT A -> IRQ 24
[ 0.350270] virtio_pci_probe:519: l_rc 0
[ 0.351499] xenfs: not registering filesystem on non-xen platform
[ 0.352420] Serial: 8250/16550 driver, 1 ports, IRQ sharing enabled
[ 0.376262] serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
[ 0.377327] Non-volatile memory driver v1.3
[ 0.378010] ppdev: user-space parallel port driver
[ 0.378702] Linux agpgart interface v0.103
[ 0.379373] crash memory driver: version 1.1
[ 0.380765] brd: module loaded
[ 0.381490] loop: module loaded
[ 0.383169] scsi host0: ata_piix
[ 0.383695] scsi host1: ata_piix
[ 0.384194] ata1: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc080 irq 14
[ 0.385175] ata2: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc088 irq 15
[ 0.386444] Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011)
[ 0.387588] libphy: Fixed MDIO Bus: probed
[ 0.388200] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI
[ 0.389219] e1000: Copyright (c) 1999-2006 Intel Corporation.
[ 0.390300] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k
[ 0.391150] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
[ 0.392014] i40e: Intel(R) Ethernet Connection XL710 Network Driver - version 1.6.27-k
[ 0.393155] i40e: Copyright (c) 2013 - 2014 Intel Corporation.
[ 0.394018] ixgb: Intel(R) PRO/10GbE Network Driver - version 1.0.135-k2-NAPI
[ 0.395050] ixgb: Copyright (c) 1999-2008 Intel Corporation.
[ 0.395875] PPP generic driver version 2.4.2
[ 0.396517] PPP BSD Compression module registered
[ 0.397206] PPP Deflate Compression module registered
[ 0.397941] PPP MPPE Compression module registered
[ 0.398636] NET: Registered protocol family 24
[ 0.399291] PPTP driver version 0.8.5
[ 0.399886] Fusion MPT base driver 3.04.20
[ 0.400485] Copyright (c) 1999-2008 LSI Corporation
[ 0.401195] Fusion MPT SPI Host driver 3.04.20
[ 0.401875] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 0.402818] ehci-pci: EHCI PCI platform driver
[ 0.403470] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 0.404367] ohci-pci: OHCI PCI platform driver
[ 0.405025] uhci_hcd: USB Universal Host Controller Interface driver
[ 0.405964] usbcore: registered new interface driver usbserial
[ 0.406814] usbcore: registered new interface driver usbserial_generic
[ 0.407759] usbserial: USB Serial support registered for generic
[ 0.408641] i8042: PNP: No PS/2 controller found. Probing ports directly.
[ 0.410420] serio: i8042 KBD port at 0x60,0x64 irq 1
[ 0.411148] serio: i8042 AUX port at 0x60,0x64 irq 12
[ 0.411924] mousedev: PS/2 mouse device common for all mice
[ 0.413006] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input0
[ 0.414888] input: VirtualPS/2 VMware VMMouse as /devices/platform/i8042/serio1/input/input1
[ 0.416386] rtc_cmos rtc_cmos: rtc core: registered rtc_cmos as rtc0
[ 0.417392] rtc_cmos rtc_cmos: alarms up to one day, 114 bytes nvram
[ 0.418315] i2c /dev entries driver
[ 0.419091] input: VirtualPS/2 VMware VMMouse as /devices/platform/i8042/serio1/input/input2
[ 0.420517] device-mapper: ioctl: 4.35.0-ioctl (2016-06-23) initialised: dm-devel at redhat.com
[ 0.421750] cpuidle: using governor menu
[ 0.422369] hidraw: raw HID events driver (C) Jiri Kosina
[ 0.423235] usbcore: registered new interface driver usbhid
[ 0.424040] usbhid: USB HID core driver
[ 0.424618] drop_monitor: Initializing network drop monitor service
[ 0.425539] nf_conntrack version 0.5.0 (5882 buckets, 23528 max)
[ 0.426509] gre: GRE over IPv4 demultiplexor driver
[ 0.427224] ip_gre: GRE over IPv4 tunneling driver
[ 0.428213] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 0.429043] TCP: cubic registered
[ 0.429528] Initializing XFRM netlink socket
[ 0.430215] NET: Registered protocol family 10
[ 0.430952] IPv6: addrconf_notify: lo: event 5
[ 0.431603] IPv6: addrconf_notify: bond0: event 5
[ 0.432302] IPv6: addrconf_notify: dummy0: event 5
[ 0.433018] IPv6: addrconf_notify: gre0: event 5
[ 0.433697] IPv6: addrconf_notify: gretap0: event 5
[ 0.434445] ip6_tables: (C) 2000-2006 Netfilter Core Team
[ 0.435461] sit: IPv6 over IPv4 tunneling driver
[ 0.436142] IPv6: addrconf_notify: sit0: event 16
[ 0.436859] IPv6: addrconf_notify: sit0: event 5
[ 0.437562] NET: Registered protocol family 17
[ 0.438224] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[ 0.440075] l2tp_core: L2TP core driver, V2.0
[ 0.440709] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[ 0.441404] l2tp_ip: L2TP IP encapsulation support (L2TPv3)
[ 0.442217] l2tp_netlink: L2TP netlink interface
[ 0.442893] l2tp_eth: L2TP ethernet pseudowire support (L2TPv3)
[ 0.443741] l2tp_ip6: L2TP IP encapsulation support for IPv6 (L2TPv3)
[ 0.444674] 8021q: 802.1Q VLAN Support v1.8
[ 0.445427] microcode: CPU0 sig=0x50654, pf=0x1, revision=0x1
[ 0.446304] microcode: Microcode Update Driver: v2.01 tigran at aivazian.fsnet.co.uk, Peter Oruba
[ 0.447636] Loading compiled-in X.509 certificates
[ 0.448989] Loaded X.509 cert 'Magrathea: Glacier signing key: eb96f999c8e896eaa27874506d95259a433be287'
[ 0.450364] registered taskstats version 1
[ 0.451097] Key type trusted registered
[ 0.451761] Key type encrypted registered
[ 0.452420] IMA: No TPM chip found, activating TPM-bypass!
[ 0.453374] Magic number: 11:463:425
[ 0.454030] rtc_cmos rtc_cmos: setting system clock to 2019-11-28 09:25:29 UTC (1574933129)
[ 0.455257] Warning: unable to open an initial console.
[ 0.542964] Freeing unused kernel memory: 1920k freed [ 524.847541] EXT2-fs (ram0): error: can't find an ext2 filesystem on dev ram0.
[ 524.850045] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000100
[ 524.850045]
[ 524.852720] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000100
[ 524.852720]
[ 524.855380] CPU: 0 PID: 1 Comm: init Not tainted 3.10.0 #1
[ 524.856988] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
[ 524.858664] Call Trace:
[ 524.859409] [] dump_stack+0x19/0x1b
[ 524.860924] [] dump_stack_buf+0xba/0xc0
[ 524.862533] [] panic+0xe1/0x206
[ 524.863950] [] do_exit+0xa36/0xa40
[ 524.864966] [] ? __do_page_fault+0x171/0x450
[ 524.866124] [] do_group_exit+0x3f/0xa0
[ 524.867191] [] SyS_exit_group+0x14/0x20
[ 524.868268] [] system_call_fastpath+0x16/0x1b
[ 524.869699] Kernel Offset: disabled
[ 524.870395] Rebooting in 1 seconds..libguestfs: error: error reading console messages from the appliance: Connection reset by peer
libguestfs: error: guestfs_launch failed, see earlier error messages
libguestfs: clear_socket_create_context: setsockcreatecon failed: NULL: Invalid argument [you can ignore this message if you are not using SELinux + sVirt]
libguestfs: trace: launch = -1 (error)

--
thanks  for u !
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