$ cat scripts/run_qemu.sh KPATH=$(pwd) sudo qemu-system-x86_64 -enable-kvm -M pc -kernel $KPATH/bzImage -initrd $KPATH/initrd.img -m 512 -net none -serial stdio -append "root=/dev/ram0 console=ttyS0 hung_task_panic=1 earlyprintk=ttyS0,115200" sdi@iniza:~/src/linux-kernel/important-files$ ./scripts/run_qemu.sh Probing EDD (edd=off to disable)... ok [ 0.000000] Linux version 4.14.40-1-iniza-llvmlinux (sedat.dilek@gmail.com@iniza) (clang version 7.0.0- (trunk)) #1 SMP Fri May 11 13:17:43 CEST 2018 [ 0.000000] Command line: root=/dev/ram0 console=ttyS0 hung_task_panic=1 earlyprintk=ttyS0,115200 [ 0.000000] x86/fpu: x87 FPU will use FXSAVE [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000001ffdffff] usable [ 0.000000] BIOS-e820: [mem 0x000000001ffe0000-0x000000001fffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved [ 0.000000] bootconsole [earlyser0] enabled [ 0.000000] NX (Execute Disable) protection: active [ 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] tsc: Fast TSC calibration failed [ 0.000000] tsc: Unable to calibrate against PIT [ 0.000000] tsc: No reference (HPET/PMTIMER) available [ 0.000000] e820: last_pfn = 0x1ffe0 max_arch_pfn = 0x400000000 [ 0.000000] x86/PAT: PAT not supported by CPU. [ 0.000000] x86/PAT: Configuration [0-7]: WB WT UC- UC WB WT UC- UC Memory KASLR using RDTSC... [ 0.000000] found SMP MP-table at [mem 0x000f5d60-0x000f5d6f] mapped at [ffffffffff200d60] [ 0.000000] RAMDISK: [mem 0x1e658000-0x1ffdffff] [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000000000F5B90 000014 (v00 BOCHS ) [ 0.000000] ACPI: RSDT 0x000000001FFE157C 000030 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: FACP 0x000000001FFE1458 000074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.000000] ACPI: DSDT 0x000000001FFE0040 001418 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: FACS 0x000000001FFE0000 000040 [ 0.000000] ACPI: APIC 0x000000001FFE14CC 000078 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.000000] ACPI: HPET 0x000000001FFE1544 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.000000] No NUMA configuration found [ 0.000000] Faking a node at [mem 0x0000000000000000-0x000000001ffdffff] [ 0.000000] NODE_DATA(0) allocated [mem 0x1e653000-0x1e657fff] [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000] kvm-clock: cpu 0, msr 0:1e64b001, primary cpu clock [ 0.000000] kvm-clock: using sched offset of 1618029257 cycles [ 0.000000] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.000000] DMA32 [mem 0x0000000001000000-0x000000001ffdffff] [ 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 0x0000000000100000-0x000000001ffdffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000001ffdffff] [ 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] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 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 0x20000000-0xfeffbfff] 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 @ffff9adede400000 s141464 r8192 d30568 u2097152 [ 0.000000] KVM setup async PF for cpu 0 [ 0.000000] kvm-stealtime: cpu 0, msr 1e416180 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 128872 [ 0.000000] Policy zone: DMA32 [ 0.000000] Kernel command line: root=/dev/ram0 console=ttyS0 hung_task_panic=1 earlyprintk=ttyS0,115200 [ 0.000000] PID hash table entries: 2048 (order: 2, 16384 bytes) [ 0.000000] Memory: 467180K/523768K available (10252K kernel code, 1013K rwdata, 2796K rodata, 1664K init, 656K bss, 56588K reserved, 0K cma-reserved) [ 0.000000] random: get_random_u32 called from cache_grow_begin+0x2f0/0x580 with crng_init=0 [ 0.000000] Kernel/User page tables isolation: enabled [ 0.000000] ftrace: allocating 26204 entries in 103 pages [ 0.004000] Hierarchical RCU implementation. [ 0.004000] RCU 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 VGA+ 80x25 [ 0.004000] console [ttyS0] enabled [ 0.004000] console [ttyS0] enabled [ 0.004000] bootconsole [earlyser0] disabled [ 0.004000] bootconsole [earlyser0] disabled [ 0.004000] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 0.004008] tsc: Detected 2904.000 MHz processor [ 0.006072] Calibrating delay loop (skipped) preset value.. 5808.00 BogoMIPS (lpj=11616000) [ 0.008021] pid_max: default: 32768 minimum: 301 [ 0.008776] ACPI: Core revision 20170728 [ 0.013153] ACPI: 1 ACPI AML tables successfully acquired and loaded [ 0.014110] Security Framework initialized [ 0.014664] Yama: becoming mindful. [ 0.015168] AppArmor: AppArmor initialized [ 0.017451] Dentry cache hash table entries: 65536 (order: 7, 524288 bytes) [ 0.020237] Inode-cache hash table entries: 32768 (order: 6, 262144 bytes) [ 0.022279] Mount-cache hash table entries: 1024 (order: 1, 8192 bytes) [ 0.024050] Mountpoint-cache hash table entries: 1024 (order: 1, 8192 bytes) [ 0.028213] CPU: Physical Processor ID: 0 [ 0.028807] mce: CPU supports 10 MCE banks [ 0.029416] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 0.030141] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 0.032026] Spectre V2 : Mitigation: Full generic retpoline [ 0.050739] Freeing SMP alternatives memory: 32K [ 0.054387] smpboot: Max logical packages: 1 [ 0.055302] x2apic enabled [ 0.056009] Switched APIC routing to physical x2apic. [ 0.058293] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.060000] APIC calibration not consistent with PM-Timer: 147ms instead of 100ms [ 0.060000] APIC delta adjusted to PM-Timer: 6255955 (9230905) [ 0.060000] smpboot: CPU0: Intel QEMU Virtual CPU version 2.5+ (family: 0x6, model: 0x6, stepping: 0x3) [ 0.060000] Performance Events: PMU not available due to virtualization, using software events only. [ 0.060087] Hierarchical SRCU implementation. [ 0.064074] NMI watchdog: Perf event create on CPU 0 failed with -2 [ 0.064877] NMI watchdog: Perf NMI watchdog permanently disabled [ 0.065731] smp: Bringing up secondary CPUs ... [ 0.066342] smp: Brought up 1 node, 1 CPU [ 0.066891] smpboot: Total of 1 processors activated (5808.00 BogoMIPS) [ 0.068162] devtmpfs: initialized [ 0.068679] x86/mm: Memory block size: 128MB [ 0.069508] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns [ 0.070823] futex hash table entries: 256 (order: 2, 16384 bytes) [ 0.072035] pinctrl core: initialized pinctrl subsystem [ 0.072915] NET: Registered protocol family 16 [ 0.074037] cpuidle: using governor ladder [ 0.076056] cpuidle: using governor menu [ 0.076648] ACPI: bus type PCI registered [ 0.077185] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 0.080155] PCI: Using configuration type 1 for base access [ 0.083116] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.084335] ACPI: Added _OSI(Module Device) [ 0.084882] ACPI: Added _OSI(Processor Device) [ 0.085458] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.088006] ACPI: Added _OSI(Processor Aggregator Device) [ 0.090019] ACPI: Interpreter enabled [ 0.092048] ACPI: (supports S0 S3 S4 S5) [ 0.092578] ACPI: Using IOAPIC for interrupt routing [ 0.093406] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.094961] ACPI: Enabled 2 GPEs in block 00 to 0F [ 0.100255] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.101634] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 0.104021] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 0.104983] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 0.107005] acpiphp: Slot [3] registered [ 0.108042] acpiphp: Slot [4] registered [ 0.108702] acpiphp: Slot [5] registered [ 0.109341] acpiphp: Slot [6] registered [ 0.109988] acpiphp: Slot [7] registered [ 0.110648] acpiphp: Slot [8] registered [ 0.111313] acpiphp: Slot [9] registered [ 0.112044] acpiphp: Slot [10] registered [ 0.112723] acpiphp: Slot [11] registered [ 0.113396] acpiphp: Slot [12] registered [ 0.114197] acpiphp: Slot [13] registered [ 0.114800] acpiphp: Slot [14] registered [ 0.115376] acpiphp: Slot [15] registered [ 0.116053] acpiphp: Slot [16] registered [ 0.116641] acpiphp: Slot [17] registered [ 0.117237] acpiphp: Slot [18] registered [ 0.119392] acpiphp: Slot [19] registered [ 0.120077] acpiphp: Slot [20] registered [ 0.120917] acpiphp: Slot [21] registered [ 0.121479] acpiphp: Slot [22] registered [ 0.122037] acpiphp: Slot [23] registered [ 0.122600] acpiphp: Slot [24] registered [ 0.124043] acpiphp: Slot [25] registered [ 0.124762] acpiphp: Slot [26] registered [ 0.125485] acpiphp: Slot [27] registered [ 0.126211] acpiphp: Slot [28] registered [ 0.126919] acpiphp: Slot [29] registered [ 0.127594] acpiphp: Slot [30] registered [ 0.128044] acpiphp: Slot [31] registered [ 0.128716] PCI host bridge to bus 0000:00 [ 0.129367] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.130306] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.131417] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.132009] pci_bus 0000:00: root bus resource [mem 0x20000000-0xfebfffff window] [ 0.136068] pci_bus 0000:00: root bus resource [mem 0x100000000-0x17fffffff window] [ 0.137500] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.143483] pci 0000:00:01.1: legacy IDE quirk: reg 0x10: [io 0x01f0-0x01f7] [ 0.144007] pci 0000:00:01.1: legacy IDE quirk: reg 0x14: [io 0x03f6] [ 0.145017] pci 0000:00:01.1: legacy IDE quirk: reg 0x18: [io 0x0170-0x0177] [ 0.146107] pci 0000:00:01.1: legacy IDE quirk: reg 0x1c: [io 0x0376] [ 0.148576] pci 0000:00:01.3: quirk: [io 0x0600-0x063f] claimed by PIIX4 ACPI [ 0.149540] pci 0000:00:01.3: quirk: [io 0x0700-0x070f] claimed by PIIX4 SMB [ 0.164842] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 0.168113] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 0.169082] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 0.170032] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 0.170941] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 0.172324] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.173248] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.174586] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.175601] vgaarb: loaded [ 0.176237] EDAC MC: Ver: 3.0.0 [ 0.177154] PCI: Using ACPI for IRQ routing [ 0.178416] HPET: 3 timers in total, 0 timers will be used for per-cpu timer [ 0.180032] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 0.180687] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 0.184076] clocksource: Switched to clocksource kvm-clock [ 0.216875] VFS: Disk quotas dquot_6.6.0 [ 0.217445] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.218532] AppArmor: AppArmor Filesystem Enabled [ 0.219176] pnp: PnP ACPI init [ 0.220076] pnp: PnP ACPI: found 6 devices [ 0.240516] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.248771] NET: Registered protocol family 2 [ 0.249886] TCP established hash table entries: 4096 (order: 3, 32768 bytes) [ 0.250812] TCP bind hash table entries: 4096 (order: 4, 65536 bytes) [ 0.254625] TCP: Hash tables configured (established 4096 bind 4096) [ 0.255542] UDP hash table entries: 256 (order: 1, 8192 bytes) [ 0.256323] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes) [ 0.257234] NET: Registered protocol family 1 [ 0.264837] pci 0000:00:01.0: PIIX3: Enabling Passive Release [ 0.265571] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 0.266331] pci 0000:00:01.0: Activating ISA DMA hang workarounds [ 0.267158] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 0.268336] Unpacking initramfs... [ 1.077013] Freeing initrd memory: 26144K [ 1.079330] audit: initializing netlink subsys (disabled) [ 1.082216] audit: type=2000 audit(1526038491.528:1): state=initialized audit_enabled=0 res=1 [ 1.085860] workingset: timestamp_bits=40 max_order=17 bucket_order=0 [ 1.087885] zbud: loaded [ 1.511277] Key type asymmetric registered [ 1.511871] Asymmetric key parser 'x509' registered [ 1.512569] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.513595] io scheduler noop registered [ 1.514144] io scheduler deadline registered [ 1.514758] io scheduler cfq registered (default) [ 1.515331] io scheduler mq-deadline registered [ 1.516422] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.558709] 00:05: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 1.560094] Linux agpgart interface v0.103 [ 1.560726] AMD IOMMUv2 driver by Joerg Roedel [ 1.561541] AMD IOMMUv2 functionality not available on this system [ 1.562548] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 1.564406] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 1.565109] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 1.565919] mousedev: PS/2 mouse device common for all mice [ 1.567011] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input0 [ 1.578656] rtc_cmos 00:00: RTC can wake from S4 [ 1.579873] rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0 [ 1.580861] rtc_cmos 00:00: alarms up to one day, y3k, 114 bytes nvram, hpet irqs [ 1.581899] ledtrig-cpu: registered to indicate activity on CPUs [ 1.582964] NET: Registered protocol family 10 [ 1.587747] Segment Routing with IPv6 [ 1.588351] mip6: Mobile IPv6 [ 1.588762] NET: Registered protocol family 17 [ 1.589388] mpls_gso: MPLS GSO support [ 1.590028] sched_clock: Marking stable (1588313034, 0)->(2204995390, -616682356) [ 1.606956] registered taskstats version 1 [ 1.610761] zswap: loaded using pool lzo/zbud [ 1.611537] AppArmor: AppArmor sha1 policy hashing enabled [ 1.618639] ima: No TPM chip found, activating TPM-bypass! (rc=-19) [ 1.619907] rtc_cmos 00:00: setting system clock to 2018-05-11 11:34:52 UTC (1526038492) [ 1.624945] Freeing unused kernel memory: 1664K [ 1.630762] Write protecting the kernel read-only data: 16384k [ 1.632876] Freeing unused kernel memory: 2008K [ 1.637422] Freeing unused kernel memory: 1300K [ 1.652425] x86/mm: Checked W+X mappings: passed, no W+X pages found. [ 1.666034] x86/mm: Checking user space page tables [ 1.682971] x86/mm: Checked W+X mappings: passed, no W+X pages found. Loading, please wait... starting version 238 [ 1.951696] Floppy drive(s): fd0 is 2.88M AMI BIOS [ 1.961893] SCSI subsystem initialized [ 1.965403] piix4_smbus 0000:00:01.3: SMBus Host Controller at 0x700, revision 0 [ 1.972834] FDC 0 is a S82078B [ 1.977126] input: VirtualPS/2 VMware VMMouse as /devices/platform/i8042/serio1/input/input3 [ 1.984275] input: VirtualPS/2 VMware VMMouse as /devices/platform/i8042/serio1/input/input2 [ 2.033201] scsi host0: ata_piix [ 2.037544] scsi host1: ata_piix [ 2.039194] ata1: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc000 irq 14 [ 2.042332] ata2: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc008 irq 15 [ 2.080132] tsc: Refined TSC clocksource calibration: 2903.988 MHz [ 2.082954] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x29dbfa58762, max_idle_ns: 440795236108 ns [ 2.205865] ata2.00: ATAPI: QEMU DVD-ROM, 2.5+, max UDMA/100 [ 2.209113] ata2.00: configured for MWDMA2 [ 2.211541] scsi 1:0:0:0: CD-ROM QEMU QEMU DVD-ROM 2.5+ PQ: 0 ANSI: 5 [ 2.241840] sr 1:0:0:0: [sr0] scsi3-mmc drive: 4x/4x cd/rw xa/form2 tray [ 2.246235] cdrom: Uniform CD-ROM driver Revision: 3.20 Begin: Loading essential drivers ... [ 2.512318] raid6: sse2x1 gen() 3027 MB/s [ 2.580055] raid6: sse2x1 xor() 2613 MB/s [ 2.648043] raid6: sse2x2 gen() 6130 MB/s [ 2.716041] raid6: sse2x2 xor() 2857 MB/s [ 2.792024] raid6: sse2x4 gen() 4198 MB/s [ 2.860049] raid6: sse2x4 xor() 3977 MB/s [ 2.860851] raid6: using algorithm sse2x2 gen() 6130 MB/s [ 2.861842] raid6: .... xor() 2857 MB/s, rmw enabled [ 2.862733] raid6: using intx1 recovery algorithm [ 2.866013] xor: measuring software checksum speed [ 2.915263] prefetch64-sse: 13813.000 MB/sec [ 2.977767] generic_sse: 12994.000 MB/sec [ 2.978540] xor: using function: prefetch64-sse (13813.000 MB/sec) [ 2.980609] async_tx: api initialized (async) done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/local-top ... [ 3.039187] device-mapper: uevent: version 1.0.3 [ 3.041132] device-mapper: ioctl: 4.37.0-ioctl (2017-09-20) initialised: dm-devel@redhat.com [ 3.060944] random: lvm: uninitialized urandom read (4 bytes read) WARNING: Failed to connect to lvmetad. Falling back to device scanning. Reading all physical volumes. This may take a while...