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@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@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@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(a)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(a)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(a)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 !