[ 0.000000] Linux version 4.15.0-36-generic (buildd@lcy01-amd64-017) (gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.10)) #39~16.04.1-Ubuntu SMP Tue Sep 25 08:59:23 UTC 2018 (Ubuntu 4.15.0-36.39~16.04.1-generic 4.15.18) [ 0.000000] Command line: BOOT_IMAGE=/vmlinuz-4.15.0-36-generic root=/dev/mapper/ubuntu--server--14--vg-root ro cgroup_enable=memory swapaccount=1 crashkernel=384M-:128M [ 0.000000] KERNEL supported cpus: [ 0.000000] Intel GenuineIntel [ 0.000000] AMD AuthenticAMD [ 0.000000] Centaur CentaurHauls [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009ffff] usable [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000f6ce8fff] usable [ 0.000000] BIOS-e820: [mem 0x00000000f6ce9000-0x00000000f6ce9fff] ACPI data [ 0.000000] BIOS-e820: [mem 0x00000000f6cea000-0x00000000f6cf0fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000f6cf1000-0x00000000f6cf1fff] ACPI data [ 0.000000] BIOS-e820: [mem 0x00000000f6cf2000-0x00000000f6d1afff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000f6d1b000-0x00000000f7d9afff] usable [ 0.000000] BIOS-e820: [mem 0x00000000f7d9b000-0x00000000f7dcafff] type 20 [ 0.000000] BIOS-e820: [mem 0x00000000f7dcb000-0x00000000f7df2fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000f7df3000-0x00000000f7dfafff] ACPI data [ 0.000000] BIOS-e820: [mem 0x00000000f7dfb000-0x00000000f7dfefff] ACPI NVS [ 0.000000] BIOS-e820: [mem 0x00000000f7dff000-0x00000000f7dfffff] usable [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x0000000f6dbfffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] efi: EFI v2.31 by EDK II [ 0.000000] efi: ACPI=0xf7dfa000 ACPI 2.0=0xf7dfa014 SMBIOS=0xf7df2000 [ 0.000000] secureboot: Secure boot could not be determined (mode 0) [ 0.000000] SMBIOS 2.4 present. [ 0.000000] DMI: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS Hyper-V UEFI Release v1.0 11/26/2012 [ 0.000000] Hypervisor detected: Microsoft Hyper-V [ 0.000000] Hyper-V: features 0xe7f, hints 0x2c [ 0.000000] Hyper-V Host Build:9600-6.3-19-0.19101 [ 0.000000] Hyper-V: LAPIC Timer Frequency: 0xc3500 [ 0.000000] tsc: Marking TSC unstable due to running on Hyper-V [ 0.000000] Hyper-V: Using hypercall for remote TLB flush [ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved [ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable [ 0.000000] e820: last_pfn = 0xf6dc00 max_arch_pfn = 0x400000000 [ 0.000000] MTRR default type: uncachable [ 0.000000] MTRR fixed ranges enabled: [ 0.000000] 00000-9FFFF write-back [ 0.000000] A0000-FFFFF uncachable [ 0.000000] MTRR variable ranges enabled: [ 0.000000] 0 base 00000000000 mask 3FF00000000 write-back [ 0.000000] 1 base 00100000000 mask 3F000000000 write-back [ 0.000000] 2 disabled [ 0.000000] 3 disabled [ 0.000000] 4 disabled [ 0.000000] 5 disabled [ 0.000000] 6 disabled [ 0.000000] 7 disabled [ 0.000000] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.000000] e820: last_pfn = 0xf7e00 max_arch_pfn = 0x400000000 [ 0.000000] Scanning 1 areas for low memory corruption [ 0.000000] Base memory trampoline at [ (ptrval)] 99000 size 24576 [ 0.000000] BRK [0x45a93f000, 0x45a93ffff] PGTABLE [ 0.000000] BRK [0x45a940000, 0x45a940fff] PGTABLE [ 0.000000] BRK [0x45a941000, 0x45a941fff] PGTABLE [ 0.000000] BRK [0x45a942000, 0x45a942fff] PGTABLE [ 0.000000] BRK [0x45a943000, 0x45a943fff] PGTABLE [ 0.000000] BRK [0x45a944000, 0x45a944fff] PGTABLE [ 0.000000] BRK [0x45a945000, 0x45a945fff] PGTABLE [ 0.000000] BRK [0x45a946000, 0x45a946fff] PGTABLE [ 0.000000] BRK [0x45a947000, 0x45a947fff] PGTABLE [ 0.000000] BRK [0x45a948000, 0x45a948fff] PGTABLE [ 0.000000] RAMDISK: [mem 0x31cf8000-0x34e73fff] [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000000F7DFA014 000024 (v02 VRTUAL) [ 0.000000] ACPI: XSDT 0x00000000F7DF90E8 00005C (v01 VRTUAL MICROSFT 00000001 01000013) [ 0.000000] ACPI: FACP 0x00000000F7DF7000 0000F4 (v04 VRTUAL MICROSFT 00000001 MSFT 00000001) [ 0.000000] ACPI: DSDT 0x00000000F7DF4000 000D8E (v02 MSFTVM DSDT01 00000001 MSFT 04000000) [ 0.000000] ACPI: FACS 0x00000000F7DFE000 000040 [ 0.000000] ACPI: APIC 0x00000000F7DF8000 00024C (v02 VRTUAL MICROSFT 00000001 MSFT 00000001) [ 0.000000] ACPI: OEM0 0x00000000F7DF6000 000064 (v01 VRTUAL MICROSFT 00000001 MSFT 00000001) [ 0.000000] ACPI: WAET 0x00000000F7DF5000 000028 (v01 VRTUAL MICROSFT 00000001 MSFT 00000001) [ 0.000000] ACPI: OEM1 0x00000000F7DF3000 00009E (v02 MSFTVM UARTS 00000001 MSFT 04000000) [ 0.000000] ACPI: SRAT 0x00000000F6CF1000 0001F8 (v02 VRTUAL MICROSFT 00000001 MSFT 00000001) [ 0.000000] ACPI: BGRT 0x00000000F6CE9000 000038 (v01 INTEL TIANO 00000001 MSFT 01000013) [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x04 -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x05 -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x06 -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x07 -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x08 -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x09 -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x0a -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x0b -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x0c -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x0d -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x0e -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x0f -> Node 0 [ 0.000000] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0xf7ffffff] [ 0.000000] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0xf6dbfffff] [ 0.000000] ACPI: SRAT: Node 0 PXM 0 [mem 0xf6de00000-0xfdfffffff] hotplug [ 0.000000] ACPI: SRAT: Node 0 PXM 0 [mem 0x1000000000-0x1d9abfffff] hotplug [ 0.000000] ACPI: SRAT: Node 0 PXM 0 [mem 0x1d9ae00000-0x100283fffff] hotplug [ 0.000000] NUMA: Node 0 [mem 0x00000000-0xf7ffffff] + [mem 0x100000000-0xf6dbfffff] -> [mem 0x00000000-0xf6dbfffff] [ 0.000000] NODE_DATA(0) allocated [mem 0xf6db9c000-0xf6dbc6fff] [ 0.000000] Reserving 128MB of memory at 656MB for crashkernel (System RAM: 63065MB) [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.000000] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.000000] Normal [mem 0x0000000100000000-0x0000000f6dbfffff] [ 0.000000] Device empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.000000] node 0: [mem 0x0000000000100000-0x00000000f6ce8fff] [ 0.000000] node 0: [mem 0x00000000f6d1b000-0x00000000f7d9afff] [ 0.000000] node 0: [mem 0x00000000f7dff000-0x00000000f7dfffff] [ 0.000000] node 0: [mem 0x0000000100000000-0x0000000f6dbfffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x0000000f6dbfffff] [ 0.000000] On node 0 totalpages: 16144649 [ 0.000000] DMA zone: 64 pages used for memmap [ 0.000000] DMA zone: 56 pages reserved [ 0.000000] DMA zone: 3999 pages, LIFO batch:0 [ 0.000000] DMA32 zone: 16320 pages used for memmap [ 0.000000] DMA32 zone: 1011050 pages, LIFO batch:31 [ 0.000000] Normal zone: 236400 pages used for memmap [ 0.000000] Normal zone: 15129600 pages, LIFO batch:31 [ 0.000000] Reserved but unavailable: 97 pages [ 0.000000] ACPI: PM-Timer IO Port: 0x408 [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] IOAPIC[0]: apic_id 16, 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 9 global_irq 9 high level) [ 0.000000] ACPI: IRQ0 used by override. [ 0.000000] ACPI: IRQ9 used by override. [ 0.000000] Using ACPI (MADT) for SMP configuration information [ 0.000000] efi_bgrt: Ignoring BGRT: invalid image address [ 0.000000] smpboot: Allowing 64 CPUs, 48 hotplug CPUs [ 0.000000] PM: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.000000] PM: Registered nosave memory: [mem 0xf6ce9000-0xf6ce9fff] [ 0.000000] PM: Registered nosave memory: [mem 0xf6cea000-0xf6cf0fff] [ 0.000000] PM: Registered nosave memory: [mem 0xf6cf1000-0xf6cf1fff] [ 0.000000] PM: Registered nosave memory: [mem 0xf6cf2000-0xf6d1afff] [ 0.000000] PM: Registered nosave memory: [mem 0xf7d9b000-0xf7dcafff] [ 0.000000] PM: Registered nosave memory: [mem 0xf7dcb000-0xf7df2fff] [ 0.000000] PM: Registered nosave memory: [mem 0xf7df3000-0xf7dfafff] [ 0.000000] PM: Registered nosave memory: [mem 0xf7dfb000-0xf7dfefff] [ 0.000000] PM: Registered nosave memory: [mem 0xf7e00000-0xffffffff] [ 0.000000] e820: [mem 0xf7e00000-0xffffffff] available for PCI devices [ 0.000000] Booting paravirtualized kernel on bare hardware [ 0.000000] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645519600211568 ns [ 0.000000] random: get_random_bytes called from start_kernel+0x99/0x51b with crng_init=0 [ 0.000000] setup_percpu: NR_CPUS:8192 nr_cpumask_bits:64 nr_cpu_ids:64 nr_node_ids:1 [ 0.000000] percpu: Embedded 46 pages/cpu @ (ptrval) s151552 r8192 d28672 u262144 [ 0.000000] pcpu-alloc: s151552 r8192 d28672 u262144 alloc=1*2097152 [ 0.000000] pcpu-alloc: [0] 00 01 02 03 04 05 06 07 [0] 08 09 10 11 12 13 14 15 [ 0.000000] pcpu-alloc: [0] 16 17 18 19 20 21 22 23 [0] 24 25 26 27 28 29 30 31 [ 0.000000] pcpu-alloc: [0] 32 33 34 35 36 37 38 39 [0] 40 41 42 43 44 45 46 47 [ 0.000000] pcpu-alloc: [0] 48 49 50 51 52 53 54 55 [0] 56 57 58 59 60 61 62 63 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 15891809 [ 0.000000] Policy zone: Normal [ 0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz-4.15.0-36-generic root=/dev/mapper/ubuntu--server--14--vg-root ro cgroup_enable=memory swapaccount=1 crashkernel=384M-:128M [ 0.000000] log_buf_len individual max cpu contribution: 4096 bytes [ 0.000000] log_buf_len total cpu_extra contributions: 258048 bytes [ 0.000000] log_buf_len min size: 262144 bytes [ 0.000000] log_buf_len: 524288 bytes [ 0.000000] early log buf free: 250888(95%) [ 0.000000] Calgary: detecting Calgary via BIOS EBDA area [ 0.000000] Calgary: Unable to locate Rio Grande table in EBDA - bailing! [ 0.000000] Memory: 63250324K/64578596K available (12300K kernel code, 2471K rwdata, 4260K rodata, 2408K init, 2416K bss, 1328272K reserved, 0K cma-reserved) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=64, Nodes=1 [ 0.000000] Kernel/User page tables isolation: enabled [ 0.000000] ftrace: allocating 39175 entries in 154 pages [ 0.000000] Hierarchical RCU implementation. [ 0.000000] RCU restricting CPUs from NR_CPUS=8192 to nr_cpu_ids=64. [ 0.000000] Tasks RCU enabled. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=64 [ 0.000000] Using NULL legacy PIC [ 0.000000] NR_IRQS: 524544, nr_irqs: 936, preallocated irqs: 0 [ 0.000000] Console: colour dummy device 80x25 [ 0.000000] console [tty0] enabled [ 0.000000] ACPI: Core revision 20170831 [ 0.000000] ACPI: 1 ACPI AML tables successfully acquired and loaded [ 0.000000] APIC: Switch to symmetric I/O mode setup [ 0.000000] Switched APIC routing to physical flat. [ 0.000000] clocksource: hyperv_clocksource_tsc_page: mask: 0xffffffffffffffff max_cycles: 0x24e6a1710, max_idle_ns: 440795202120 ns [ 0.000000] tsc: Detected 2199.995 MHz processor [ 0.000020] Calibrating delay loop (skipped), value calculated using timer frequency.. 4399.99 BogoMIPS (lpj=8799980) [ 0.000024] pid_max: default: 65536 minimum: 512 [ 0.000314] Security Framework initialized [ 0.000318] Yama: becoming mindful. [ 0.000392] AppArmor: AppArmor initialized [ 0.004000] Dentry cache hash table entries: 8388608 (order: 14, 67108864 bytes) [ 0.004000] Inode-cache hash table entries: 4194304 (order: 13, 33554432 bytes) [ 0.004000] Mount-cache hash table entries: 131072 (order: 8, 1048576 bytes) [ 0.004000] Mountpoint-cache hash table entries: 131072 (order: 8, 1048576 bytes) [ 0.004000] mce: CPU supports 1 MCE banks [ 0.004000] Last level iTLB entries: 4KB 512, 2MB 8, 4MB 8 [ 0.004000] Last level dTLB entries: 4KB 512, 2MB 32, 4MB 32, 1GB 0 [ 0.004000] Spectre V2 : Mitigation: Full generic retpoline [ 0.004000] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.004000] Spectre V2 : Spectre v2 mitigation: Enabling Indirect Branch Prediction Barrier [ 0.004000] Spectre V2 : Enabling Restricted Speculation for firmware calls [ 0.004000] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.004000] Freeing SMP alternatives memory: 36K [ 0.004000] smpboot: CPU0: Intel(R) Xeon(R) CPU E5-2660 0 @ 2.20GHz (family: 0x6, model: 0x2d, stepping: 0x6) [ 0.004000] Performance Events: unsupported p6 CPU model 45 no PMU driver, software events only. [ 0.004000] Hierarchical SRCU implementation. [ 0.004000] NMI watchdog: Perf event create on CPU 0 failed with -2 [ 0.004000] NMI watchdog: Perf NMI watchdog permanently disabled [ 0.004000] smp: Bringing up secondary CPUs ... [ 0.004000] x86: Booting SMP configuration: [ 0.004000] .... node #0, CPUs: #1 #2 #3 #4 #5 #6 #7 #8 #9 #10 #11 #12 #13 #14 #15 [ 0.012942] smp: Brought up 1 node, 16 CPUs [ 0.012942] smpboot: Max logical packages: 4 [ 0.012942] smpboot: Total of 16 processors activated (70399.84 BogoMIPS) [ 0.017457] devtmpfs: initialized [ 0.017457] x86/mm: Memory block size: 128MB [ 0.022625] evm: security.selinux [ 0.022628] evm: security.SMACK64 [ 0.022630] evm: security.SMACK64EXEC [ 0.022632] evm: security.SMACK64TRANSMUTE [ 0.022634] evm: security.SMACK64MMAP [ 0.022636] evm: security.apparmor [ 0.022638] evm: security.ima [ 0.022639] evm: security.capability [ 0.022699] PM: Registering ACPI NVS region [mem 0xf7dfb000-0xf7dfefff] (16384 bytes) [ 0.022699] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns [ 0.022699] futex hash table entries: 16384 (order: 8, 1048576 bytes) [ 0.022699] pinctrl core: initialized pinctrl subsystem [ 0.024005] RTC time: 13:04:26, date: 10/02/18 [ 0.024617] NET: Registered protocol family 16 [ 0.024703] audit: initializing netlink subsys (disabled) [ 0.024742] audit: type=2000 audit(1538485466.024:1): state=initialized audit_enabled=0 res=1 [ 0.024742] cpuidle: using governor ladder [ 0.024742] cpuidle: using governor menu [ 0.024742] ACPI: bus type PCI registered [ 0.024742] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 0.024742] PCI: Fatal: No config space access function found [ 0.028293] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.028424] ACPI: Added _OSI(Module Device) [ 0.028427] ACPI: Added _OSI(Processor Device) [ 0.028429] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.028432] ACPI: Added _OSI(Processor Aggregator Device) [ 0.028434] ACPI: Added _OSI(Linux-Dell-Video) [ 0.028437] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.032175] ACPI: Executed 1 blocks of module-level executable AML code [ 0.037051] ACPI: Interpreter enabled [ 0.037066] ACPI: (supports S0 S5) [ 0.037068] ACPI: Using IOAPIC for interrupt routing [ 0.037082] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.037258] ACPI: Enabled 1 GPEs in block 00 to 0F [ 0.042799] SCSI subsystem initialized [ 0.042997] libata version 3.00 loaded. [ 0.042997] vgaarb: loaded [ 0.042997] ACPI: bus type USB registered [ 0.042997] usbcore: registered new interface driver usbfs [ 0.042997] usbcore: registered new interface driver hub [ 0.042997] usbcore: registered new device driver usb [ 0.042997] EDAC MC: Ver: 3.0.0 [ 0.044038] Registered efivars operations [ 0.045466] PCI: Using ACPI for IRQ routing [ 0.045466] PCI: System does not support PCI [ 0.045466] NetLabel: Initializing [ 0.045466] NetLabel: domain hash size = 128 [ 0.045466] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.045466] NetLabel: unlabeled traffic allowed by default [ 0.045466] clocksource: Switched to clocksource hyperv_clocksource_tsc_page [ 0.056365] VFS: Disk quotas dquot_6.6.0 [ 0.056415] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.056563] AppArmor: AppArmor Filesystem Enabled [ 0.056587] pnp: PnP ACPI init [ 0.056674] pnp 00:00: Plug and Play ACPI device, IDs PNP0b00 (active) [ 0.056677] pnp: PnP ACPI: found 1 devices [ 0.065652] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.065706] NET: Registered protocol family 2 [ 0.066183] TCP established hash table entries: 524288 (order: 10, 4194304 bytes) [ 0.066896] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes) [ 0.067012] TCP: Hash tables configured (established 524288 bind 65536) [ 0.067181] UDP hash table entries: 32768 (order: 8, 1048576 bytes) [ 0.067360] UDP-Lite hash table entries: 32768 (order: 8, 1048576 bytes) [ 0.067679] NET: Registered protocol family 1 [ 0.067686] PCI: CLS 0 bytes, default 64 [ 0.067728] Unpacking initramfs... [ 0.769042] Freeing initrd memory: 50672K [ 0.769085] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 0.769090] software IO TLB [mem 0xf2ce9000-0xf6ce9000] (64MB) mapped at [ (ptrval)- (ptrval)] [ 0.769325] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb62e17808, max_idle_ns: 440795289890 ns [ 0.769381] Scanning for low memory corruption every 60 seconds [ 0.770780] Initialise system trusted keyrings [ 0.770792] Key type blacklist registered [ 0.770976] workingset: timestamp_bits=36 max_order=24 bucket_order=0 [ 0.772098] zbud: loaded [ 0.772977] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 0.773461] fuse init (API version 7.26) [ 0.779073] Key type asymmetric registered [ 0.779078] Asymmetric key parser 'x509' registered [ 0.779119] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 246) [ 0.779375] io scheduler noop registered [ 0.779378] io scheduler deadline registered [ 0.779434] io scheduler cfq registered (default) [ 0.780430] efifb: probing for efifb [ 0.780443] efifb: framebuffer at 0xf8000000, using 3072k, total 3072k [ 0.780446] efifb: mode is 1024x768x32, linelength=4096, pages=1 [ 0.780448] efifb: scrolling: redraw [ 0.780450] efifb: Truecolor: size=8:8:8:8, shift=24:16:8:0 [ 0.783330] Console: switching to colour frame buffer device 128x48 [ 0.785163] fb0: EFI VGA frame buffer device [ 0.785190] intel_idle: Please enable MWAIT in BIOS SETUP [ 0.786120] Serial: 8250/16550 driver, 32 ports, IRQ sharing enabled [ 0.789031] Linux agpgart interface v0.103 [ 0.796133] loop: module loaded [ 0.796297] libphy: Fixed MDIO Bus: probed [ 0.796315] tun: Universal TUN/TAP device driver, 1.6 [ 0.796401] PPP generic driver version 2.4.2 [ 0.796481] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 0.796509] ehci-pci: EHCI PCI platform driver [ 0.796533] ehci-platform: EHCI generic platform driver [ 0.796558] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 0.796582] ohci-pci: OHCI PCI platform driver [ 0.796605] ohci-platform: OHCI generic platform driver [ 0.796630] uhci_hcd: USB Universal Host Controller Interface driver [ 0.796694] i8042: PNP: No PS/2 controller found. [ 0.796814] mousedev: PS/2 mouse device common for all mice [ 0.797171] rtc_cmos 00:00: RTC can wake from S4 [ 0.798806] rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0 [ 0.805304] rtc_cmos 00:00: alarms up to one month, 114 bytes nvram [ 0.805337] i2c /dev entries driver [ 0.805356] pcie_mp2_amd: AMD(R) PCI-E MP2 Communication Driver Version: 1.0 [ 0.805441] device-mapper: uevent: version 1.0.3 [ 0.805578] device-mapper: ioctl: 4.37.0-ioctl (2017-09-20) initialised: dm-devel@redhat.com [ 0.806992] ledtrig-cpu: registered to indicate activity on CPUs [ 0.807779] EFI Variables Facility v0.08 2004-May-17 [ 0.810899] NET: Registered protocol family 10 [ 0.816403] Segment Routing with IPv6 [ 0.817171] NET: Registered protocol family 17 [ 0.818012] Key type dns_resolver registered [ 0.820304] RAS: Correctable Errors collector initialized. [ 0.821311] registered taskstats version 1 [ 0.822062] Loading compiled-in X.509 certificates [ 0.825720] Loaded X.509 cert 'Build time autogenerated kernel key: 5fd1c39db3adf7bafe36fc7613e1f53b7a1a61bd' [ 0.826739] Loaded UEFI:db cert 'Microsoft Windows Production PCA 2011: a92902398e16c49778cd90f99e4f9ae17c55af53' linked to secondary sys keyring [ 0.830423] Loaded UEFI:MokListRT cert 'Canonical Ltd. Master Certificate Authority: ad91990bc22ab1f517048c23b6655a268e345a63' linked to secondary sys keyring [ 0.832369] zswap: loaded using pool lzo/zbud [ 0.839193] Key type big_key registered [ 0.841042] Key type trusted registered [ 0.843785] Key type encrypted registered [ 0.844635] AppArmor: AppArmor sha1 policy hashing enabled [ 0.845464] ima: No TPM chip found, activating TPM-bypass! (rc=-19) [ 0.846298] ima: Allocated hash algorithm: sha1 [ 0.847144] evm: HMAC attrs: 0x1 [ 0.848026] Magic number: 6:66:78 [ 0.848937] memory memory235: hash matches [ 0.850458] rtc_cmos 00:00: setting system clock to 2018-10-02 13:04:27 UTC (1538485467) [ 0.852035] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found [ 0.853006] EDD information not available. [ 0.856839] Freeing unused kernel memory: 2408K [ 0.888082] Write protecting the kernel read-only data: 20480k [ 0.892250] Freeing unused kernel memory: 2008K [ 0.897675] Freeing unused kernel memory: 1884K [ 0.906833] x86/mm: Checked W+X mappings: passed, no W+X pages found. [ 0.907666] x86/mm: Checking user space page tables [ 0.916068] x86/mm: Checked W+X mappings: passed, no W+X pages found. [ 0.931524] random: systemd-udevd: uninitialized urandom read (16 bytes read) [ 0.932224] random: udevadm: uninitialized urandom read (16 bytes read) [ 0.932249] random: udevadm: uninitialized urandom read (16 bytes read) [ 0.997300] hv_vmbus: Vmbus version:3.0 [ 1.050898] hv_vmbus: registering driver hyperv_keyboard [ 1.054030] input: AT Translated Set 2 keyboard as /devices/LNXSYSTM:00/LNXSYBUS:00/ACPI0004:00/VMBUS:00/d34b2567-b9b6-42b9-8778-0a4ec0b955bf/serio0/input/input0 [ 1.058984] pps_core: LinuxPPS API ver. 1 registered [ 1.059027] hv_vmbus: registering driver hv_netvsc [ 1.060921] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 1.063331] hidraw: raw HID events driver (C) Jiri Kosina [ 1.066056] hv_vmbus: registering driver hv_storvsc [ 1.068923] PTP clock support registered [ 1.071499] hv_vmbus: registering driver hid_hyperv [ 1.074069] hv_utils: Registering HyperV Utility Driver [ 1.074982] hv_vmbus: registering driver hv_util [ 1.081542] scsi host0: storvsc_host_t [ 1.083073] scsi 0:0:0:0: Direct-Access Msft Virtual Disk 1.0 PQ: 0 ANSI: 4 [ 1.083259] input: Microsoft Vmbus HID-compliant Mouse as /devices/0006:045E:0621.0001/input/input1 [ 1.083400] hid 0006:045E:0621.0001: input: HID v0.01 Mouse [Microsoft Vmbus HID-compliant Mouse] on [ 1.083812] hv_utils: Heartbeat IC version 3.0 [ 1.084274] hv_utils: Shutdown IC version 3.0 [ 1.084645] hv_utils: TimeSync IC version 3.0 [ 1.085188] hv_utils: VSS IC version 5.0 [ 1.099918] sd 0:0:0:0: Attached scsi generic sg0 type 0 [ 1.100463] sd 0:0:0:0: [sda] 41943040 512-byte logical blocks: (21.5 GB/20.0 GiB) [ 1.100465] sd 0:0:0:0: [sda] 4096-byte physical blocks [ 1.100527] sd 0:0:0:0: [sda] Write Protect is off [ 1.100529] sd 0:0:0:0: [sda] Mode Sense: 0f 00 00 00 [ 1.100646] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 1.102560] sda: sda1 sda2 sda3 [ 1.103680] sd 0:0:0:0: [sda] Attached SCSI disk [ 1.160074] random: fast init done [ 1.271386] EXT4-fs (dm-0): mounted filesystem with ordered data mode. Opts: (null) [ 1.402740] systemd[1]: systemd 229 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ -LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD -IDN) [ 1.405774] systemd[1]: Detected virtualization microsoft. [ 1.406753] systemd[1]: Detected architecture x86-64. [ 1.411389] systemd[1]: Set hostname to . [ 1.514171] systemd[1]: Created slice System Slice. [ 1.517723] systemd[1]: Created slice system-systemd\x2dfsck.slice. [ 1.519678] systemd[1]: Listening on Journal Socket (/dev/log). [ 1.521666] systemd[1]: Started Trigger resolvconf update for networkd DNS. [ 1.523729] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ 1.525807] systemd[1]: Listening on udev Control Socket. [ 1.705441] lp: driver loaded but no devices found [ 1.737588] EXT4-fs (dm-0): re-mounted. Opts: errors=remount-ro [ 1.744109] RPC: Registered named UNIX socket transport module. [ 1.744109] RPC: Registered udp transport module. [ 1.744110] RPC: Registered tcp transport module. [ 1.744110] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.797584] systemd-journald[377]: Received request to flush runtime journal from PID 1 [ 1.833417] hv_utils: KVP IC version 4.0 [ 1.887826] hv_vmbus: registering driver hv_balloon [ 1.888335] hv_balloon: Using Dynamic Memory protocol version 1.0 [ 1.892637] hv_vmbus: registering driver hyperv_fb [ 1.893498] checking generic (f8000000 300000) vs hw (f8000000 300000) [ 1.893499] fb: switching to hyperv_fb from EFI VGA [ 1.893923] Console: switching to colour dummy device 80x25 [ 1.894131] hyperv_fb: Screen resolution: 1152x864, Color depth: 32 [ 1.895839] Console: switching to colour frame buffer device 144x54 [ 1.928773] RAPL PMU: API unit is 2^-32 Joules, 3 fixed counters, 10737418240 ms ovfl timer [ 1.928775] RAPL PMU: hw unit of domain pp0-core 2^-0 Joules [ 1.928776] RAPL PMU: hw unit of domain package 2^-0 Joules [ 1.928776] RAPL PMU: hw unit of domain dram 2^-0 Joules [ 2.082956] AVX version of gcm_enc/dec engaged. [ 2.082957] AES CTR mode by8 optimization enabled [ 2.126378] Adding 2097148k swap on /dev/mapper/ubuntu--server--14--vg-swap_1. Priority:-2 extents:1 across:2097148k FS [ 2.139915] EDAC sbridge: Seeking for: PCI ID 8086:3ca0 [ 2.139917] EDAC sbridge: Ver: 1.1.2 [ 2.454518] EXT4-fs (sda2): mounting ext2 file system using the ext4 subsystem [ 2.457452] EXT4-fs (sda2): mounted filesystem without journal. Opts: (null) [ 2.608948] random: crng init done [ 2.608951] random: 7 urandom warning(s) missed due to ratelimiting [ 2.775221] audit: type=1400 audit(1538485473.784:2): apparmor="STATUS" operation="profile_load" profile="unconfined" name="docker-default" pid=896 comm="apparmor_parser" [ 2.787937] audit: type=1400 audit(1538485473.796:3): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/sbin/dhclient" pid=897 comm="apparmor_parser" [ 2.787940] audit: type=1400 audit(1538485473.796:4): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=897 comm="apparmor_parser" [ 2.787943] audit: type=1400 audit(1538485473.796:5): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/NetworkManager/nm-dhcp-helper" pid=897 comm="apparmor_parser" [ 2.787945] audit: type=1400 audit(1538485473.796:6): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/connman/scripts/dhclient-script" pid=897 comm="apparmor_parser" [ 2.789857] audit: type=1400 audit(1538485473.800:7): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/sbin/tcpdump" pid=900 comm="apparmor_parser" [ 2.794188] audit: type=1400 audit(1538485473.804:8): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/sbin/ntpd" pid=898 comm="apparmor_parser" [ 2.871798] hv_utils: VSS: userspace daemon ver. 129 connected [ 3.178684] new mount options do not match the existing superblock, will be ignored [ 3.996957] FS-Cache: Loaded [ 4.015270] FS-Cache: Netfs 'cifs' registered for caching [ 4.015371] Key type cifs.spnego registered [ 4.015374] Key type cifs.idmap registered [ 4.295372] CIFS VFS: ioctl error in smb2_get_dfs_refer rc=-5 [ 4.999023] aufs 4.15-20180219 [ 8.647217] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this. [ 8.651021] Bridge firewalling registered [ 8.663956] nf_conntrack version 0.5.0 (65536 buckets, 262144 max) [ 8.691951] ip_tables: (C) 2000-2006 Netfilter Core Team [ 8.945326] Initializing XFRM netlink socket [ 8.952377] Netfilter messages via NETLINK v0.30. [ 8.956363] ctnetlink v0.93: registering with nfnetlink. [ 20.768886] docker0: port 1(veth385b41c) entered blocking state [ 20.768888] docker0: port 1(veth385b41c) entered disabled state [ 20.768987] device veth385b41c entered promiscuous mode [ 20.863006] docker0: port 2(vethaf6c3b0) entered blocking state [ 20.863008] docker0: port 2(vethaf6c3b0) entered disabled state [ 20.863105] device vethaf6c3b0 entered promiscuous mode [ 20.863222] docker0: port 2(vethaf6c3b0) entered blocking state [ 20.863223] docker0: port 2(vethaf6c3b0) entered forwarding state [ 20.863297] docker0: port 2(vethaf6c3b0) entered disabled state [ 21.017441] docker0: port 3(vethec92d6b) entered blocking state [ 21.017444] docker0: port 3(vethec92d6b) entered disabled state [ 21.017520] device vethec92d6b entered promiscuous mode [ 21.017651] docker0: port 3(vethec92d6b) entered blocking state [ 21.017653] docker0: port 3(vethec92d6b) entered forwarding state [ 21.017754] docker0: port 3(vethec92d6b) entered disabled state [ 21.079602] docker0: port 4(veth2a4870b) entered blocking state [ 21.079605] docker0: port 4(veth2a4870b) entered disabled state [ 21.079689] device veth2a4870b entered promiscuous mode [ 21.079820] docker0: port 4(veth2a4870b) entered blocking state [ 21.079822] docker0: port 4(veth2a4870b) entered forwarding state [ 21.158822] docker0: port 5(vethd21d152) entered blocking state [ 21.158825] docker0: port 5(vethd21d152) entered disabled state [ 21.158909] device vethd21d152 entered promiscuous mode [ 21.159038] docker0: port 5(vethd21d152) entered blocking state [ 21.159039] docker0: port 5(vethd21d152) entered forwarding state [ 21.364737] eth0: renamed from vethfddf5f6 [ 21.404765] docker0: port 4(veth2a4870b) entered disabled state [ 21.405033] docker0: port 5(vethd21d152) entered disabled state [ 21.405097] docker0: port 2(vethaf6c3b0) entered blocking state [ 21.405099] docker0: port 2(vethaf6c3b0) entered forwarding state [ 21.532512] eth0: renamed from vethf280674 [ 21.572524] docker0: port 3(vethec92d6b) entered blocking state [ 21.572528] docker0: port 3(vethec92d6b) entered forwarding state [ 21.612598] eth0: renamed from vethb7d9cc6 [ 21.672674] eth0: renamed from veth3fff641 [ 21.700269] docker0: port 4(veth2a4870b) entered blocking state [ 21.700273] docker0: port 4(veth2a4870b) entered forwarding state [ 21.700579] docker0: port 5(vethd21d152) entered blocking state [ 21.700583] docker0: port 5(vethd21d152) entered forwarding state [ 22.704527] eth0: renamed from veth05ecf00 [ 22.732492] docker0: port 1(veth385b41c) entered blocking state [ 22.732497] docker0: port 1(veth385b41c) entered forwarding state [ 27.782307] docker0: port 6(veth926a2c3) entered blocking state [ 27.782310] docker0: port 6(veth926a2c3) entered disabled state [ 27.782384] device veth926a2c3 entered promiscuous mode [ 28.133593] docker0: port 7(veth4533434) entered blocking state [ 28.133596] docker0: port 7(veth4533434) entered disabled state [ 28.133696] device veth4533434 entered promiscuous mode [ 28.133826] docker0: port 7(veth4533434) entered blocking state [ 28.133828] docker0: port 7(veth4533434) entered forwarding state [ 28.367393] docker0: port 8(veth5fa036b) entered blocking state [ 28.367397] docker0: port 8(veth5fa036b) entered disabled state [ 28.367490] device veth5fa036b entered promiscuous mode [ 28.367637] docker0: port 8(veth5fa036b) entered blocking state [ 28.367639] docker0: port 8(veth5fa036b) entered forwarding state [ 28.788602] eth0: renamed from veth4f186f8 [ 28.828238] docker0: port 7(veth4533434) entered disabled state [ 28.828733] docker0: port 8(veth5fa036b) entered disabled state [ 28.829119] docker0: port 6(veth926a2c3) entered blocking state [ 28.829121] docker0: port 6(veth926a2c3) entered forwarding state [ 29.409255] eth0: renamed from veth33ee7a4 [ 29.488306] docker0: port 7(veth4533434) entered blocking state [ 29.488309] docker0: port 7(veth4533434) entered forwarding state [ 29.488569] eth0: renamed from vethc058c64 [ 29.512499] docker0: port 8(veth5fa036b) entered blocking state [ 29.512501] docker0: port 8(veth5fa036b) entered forwarding state [ 49.990921] hv_balloon: Max. dynamic memory size: 63068 MB [ 967.022735] CIFS VFS: ioctl error in smb2_get_dfs_refer rc=-5 [ 2192.662345] BUG: unable to handle kernel NULL pointer dereference at 0000000000000038 [ 2192.662407] IP: smb2_push_mandatory_locks+0x10e/0x3b0 [cifs] [ 2192.662431] PGD 0 P4D 0 [ 2192.662446] Oops: 0000 [#1] SMP PTI [ 2192.662674] Modules linked in: veth xt_nat xt_tcpudp ipt_MASQUERADE nf_nat_masquerade_ipv4 nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter ip_tables xt_conntrack x_tables nf_nat nf_conntrack libcrc32c br_netfilter bridge stp llc overlay aufs binfmt_misc cmac arc4 md4 nls_utf8 cifs ccm fscache nls_iso8859_1 sb_edac crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd glue_helper cryptd joydev intel_rapl_perf serio_raw mac_hid hyperv_fb hv_balloon sunrpc lp parport autofs4 hid_generic hv_utils hid_hyperv ptp hv_storvsc hid hv_netvsc pps_core hyperv_keyboard scsi_transport_fc hv_vmbus [ 2192.662965] CPU: 6 PID: 200 Comm: kworker/6:1 Not tainted 4.15.0-36-generic #39~16.04.1-Ubuntu [ 2192.662999] Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS Hyper-V UEFI Release v1.0 11/26/2012 [ 2192.663054] Workqueue: cifsoplockd cifs_oplock_break [cifs] [ 2192.663090] RIP: 0010:smb2_push_mandatory_locks+0x10e/0x3b0 [cifs] [ 2192.663123] RSP: 0018:ffffbda4c7207db0 EFLAGS: 00010246 [ 2192.663146] RAX: 0000000000000000 RBX: ffff97bd477b5ad8 RCX: 0000000000000000 [ 2192.663183] RDX: ffffe6c946b30800 RSI: dead000000000400 RDI: ffff97bc6cc20000 [ 2192.663211] RBP: ffffbda4c7207e10 R08: ffffe6c946b30800 R09: 0000000000000010 [ 2192.663239] R10: 0000000000000000 R11: ffff97bc6cc10000 R12: ffff97bd477b5ad8 [ 2192.663267] R13: 0000000000000aaa R14: ffff97bd477b5ac0 R15: ffff97c9e1182800 [ 2192.663296] FS: 0000000000000000(0000) GS:ffff97c9ee980000(0000) knlGS:0000000000000000 [ 2192.663336] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2192.663360] CR2: 0000000000000038 CR3: 000000045a20a002 CR4: 00000000000606e0 [ 2192.663399] Call Trace: [ 2192.663424] cifs_oplock_break+0x12f/0x3d0 [cifs] [ 2192.663447] process_one_work+0x14d/0x410 [ 2192.663466] worker_thread+0x4b/0x460 [ 2192.663492] kthread+0x105/0x140 [ 2192.663507] ? process_one_work+0x410/0x410 [ 2192.663526] ? kthread_destroy_worker+0x50/0x50 [ 2192.663548] ret_from_fork+0x35/0x40 [ 2192.663564] Code: 00 65 48 8b 04 25 00 5c 01 00 4d 89 fb 48 89 45 b0 48 89 45 a0 4d 8b 7e 10 49 8b 5e 18 4d 8d 66 18 49 8b 87 90 00 00 00 4c 39 e3 <48> 8b 40 38 48 89 45 d0 0f 84 9d 00 00 00 45 31 d2 4c 89 75 b8 [ 2192.663679] RIP: smb2_push_mandatory_locks+0x10e/0x3b0 [cifs] RSP: ffffbda4c7207db0 [ 2192.663719] CR2: 0000000000000038