Question

Centos 8 minimal installation with apache moodle suddenly restarts

Posted October 13, 2020 101 views
ApacheCentOS 8

I have recently installed moodle 3.9 on CentOS 8 minimal version. Server runs on VM and allocated 16 cores and 64 GB ram due to 1000+ users. Now server starts restarting suddenly. No special senario to point out. all of sudden processor usage goes to 4Ghz or above and vm gettin stuck. Increased the php memory limit to 512MB and incresed values of php-fpm servers and process too. Do you guys have any idea where to look for next?

Using VM Vspere 6.5 with CentOS 8. Recently updated kernal to the latest version too. But no luck.

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1 answer

Hi there @lakmalchamila,

I could suggest checking the logs at /var/log/messages, you can do that with the following command:

tail -1000 /var/log/messages

In there look for the approximate time when the server last crashed.

Another thing that I could suggest is checking your PHP logs as well for some more information.

Feel free to share the logs here as well.
Regards,
Bobby

  • Oct 14 13:16:00 abc systemd[1]: Starting system activity accounting tool...
    Oct 14 13:16:00 abc systemd[1]: Started system activity accounting tool.
    Oct 14 13:22:07 abc kernel: Command line: BOOT_IMAGE=(hd0,msdos1)/vmlinuz-4.18.0-193.19.1.el8_2.x86_64 root=/dev/mapper/cl_abc-root ro crashkernel=auto resume=/dev/mapper/cl_abc-swap rd.lvm.lv=cl_abc/root rd.lvm.lv=cl_abc/swap
    Oct 14 13:22:07 abc kernel: Disabled fast string operations
    Oct 14 13:22:07 abc kernel: x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
    Oct 14 13:22:07 abc kernel: x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
    Oct 14 13:22:07 abc kernel: x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
    Oct 14 13:22:07 abc kernel: x86/fpu: xstate_offset[2]:  576, xstate_sizes[2]:  256
    Oct 14 13:22:07 abc kernel: x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format.
    Oct 14 13:22:07 abc kernel: BIOS-provided physical RAM map:
    Oct 14 13:22:07 abc kernel: BIOS-e820: [mem 0x0000000000000000-0x000000000009f3ff] usable
    Oct 14 13:22:07 abc kernel: BIOS-e820: [mem 0x000000000009f400-0x000000000009ffff] reserved
    Oct 14 13:22:07 abc kernel: BIOS-e820: [mem 0x00000000000dc000-0x00000000000fffff] reserved
    Oct 14 13:22:07 abc kernel: BIOS-e820: [mem 0x0000000000100000-0x00000000bfedffff] usable
    Oct 14 13:22:07 abc kernel: BIOS-e820: [mem 0x00000000bfee0000-0x00000000bfefefff] ACPI data
    Oct 14 13:22:07 abc kernel: BIOS-e820: [mem 0x00000000bfeff000-0x00000000bfefffff] ACPI NVS
    Oct 14 13:22:07 abc kernel: BIOS-e820: [mem 0x00000000bff00000-0x00000000bfffffff] usable
    Oct 14 13:22:07 abc kernel: BIOS-e820: [mem 0x00000000f0000000-0x00000000f7ffffff] reserved
    Oct 14 13:22:07 abc kernel: BIOS-e820: [mem 0x00000000fec00000-0x00000000fec0ffff] reserved
    Oct 14 13:22:07 abc kernel: BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff] reserved
    Oct 14 13:22:07 abc kernel: BIOS-e820: [mem 0x00000000fffe0000-0x00000000ffffffff] reserved
    Oct 14 13:22:07 abc kernel: BIOS-e820: [mem 0x0000000100000000-0x000000103fffffff] usable
    Oct 14 13:22:07 abc kernel: NX (Execute Disable) protection: active
    Oct 14 13:22:07 abc kernel: SMBIOS 2.7 present.
    Oct 14 13:22:07 abc kernel: DMI: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 04/05/2016
    Oct 14 13:22:07 abc kernel: Hypervisor detected: VMware
    Oct 14 13:22:07 abc kernel: vmware: TSC freq read from hypervisor : 2299.998 MHz
    Oct 14 13:22:07 abc kernel: vmware: Host bus clock speed read from hypervisor : 66000000 Hz
    Oct 14 13:22:07 abc kernel: vmware: using sched offset of 6515088249 ns
    Oct 14 13:22:07 abc kernel: tsc: Detected 2299.998 MHz processor
    Oct 14 13:22:07 abc kernel: last_pfn = 0x1040000 max_arch_pfn = 0x400000000
    Oct 14 13:22:07 abc kernel: x86/PAT: Configuration [0-7]: WB  WC  UC- UC  WB  WP  UC- WT
    Oct 14 13:22:07 abc kernel: total RAM covered: 130048M
    Oct 14 13:22:07 abc kernel: Found optimal setting for mtrr clean up
    Oct 14 13:22:07 abc kernel: gran_size: 64K #011chunk_size: 64K #011num_reg: 7  #011lose cover RAM: 0G
    Oct 14 13:22:07 abc kernel: last_pfn = 0xc0000 max_arch_pfn = 0x400000000
    Oct 14 13:22:07 abc kernel: found SMP MP-table at [mem 0x000f6a80-0x000f6a8f]
    Oct 14 13:22:07 abc kernel: kexec: Reserving the low 1M of memory for crashkernel
    Oct 14 13:22:07 abc kernel: Using GB pages for direct mapping
    Oct 14 13:22:07 abc kernel: RAMDISK: [mem 0x3499d000-0x364c6fff]
    Oct 14 13:22:07 abc kernel: ACPI: Early table checksum verification disabled
    Oct 14 13:22:07 abc kernel: ACPI: RSDP 0x00000000000F6A10 000024 (v02 PTLTD )
    Oct 14 13:22:07 abc kernel: ACPI: XSDT 0x00000000BFEEFDDB 00005C (v01 INTEL  440BX    06040000 VMW  01324272)
    Oct 14 13:22:07 abc kernel: ACPI: FACP 0x00000000BFEFEE73 0000F4 (v04 INTEL  440BX    06040000 PTL  000F4240)
    Oct 14 13:22:07 abc kernel: ACPI: DSDT 0x00000000BFEF01D5 00EC9E (v01 PTLTD  Custom   06040000 MSFT 03000001)
    Oct 14 13:22:07 abc kernel: ACPI: FACS 0x00000000BFEFFFC0 000040
    Oct 14 13:22:07 abc kernel: ACPI: FACS 0x00000000BFEFFFC0 000040
    Oct 14 13:22:07 abc kernel: ACPI: BOOT 0x00000000BFEF01AD 000028 (v01 PTLTD  $SBFTBL$ 06040000  LTP 00000001)
    Oct 14 13:22:07 abc kernel: ACPI: APIC 0x00000000BFEF00FB 0000B2 (v01 PTLTD  ? APIC   06040000  LTP 00000000)
    Oct 14 13:22:07 abc kernel: ACPI: MCFG 0x00000000BFEF00BF 00003C (v01 PTLTD  $PCITBL$ 06040000  LTP 00000001)
    Oct 14 13:22:07 abc kernel: ACPI: SRAT 0x00000000BFEEFED7 000128 (v02 VMWARE MEMPLUG  06040000 VMW  00000001)
    Oct 14 13:22:07 abc kernel: ACPI: HPET 0x00000000BFEEFE9F 000038 (v01 VMWARE VMW HPET 06040000 VMW  00000001)
    Oct 14 13:22:07 abc kernel: ACPI: WAET 0x00000000BFEEFE77 000028 (v01 VMWARE VMW WAET 06040000 VMW  00000001)
    Oct 14 13:22:07 abc kernel: SRAT: PXM 0 -> APIC 0x00 -> Node 0
    Oct 14 13:22:07 abc kernel: SRAT: PXM 0 -> APIC 0x01 -> Node 0
    Oct 14 13:22:07 abc kernel: SRAT: PXM 0 -> APIC 0x02 -> Node 0
    Oct 14 13:22:07 abc kernel: SRAT: PXM 0 -> APIC 0x03 -> Node 0
    Oct 14 13:22:07 abc kernel: SRAT: PXM 0 -> APIC 0x04 -> Node 0
    Oct 14 13:22:07 abc kernel: SRAT: PXM 0 -> APIC 0x05 -> Node 0
    Oct 14 13:22:07 abc kernel: SRAT: PXM 0 -> APIC 0x06 -> Node 0
    Oct 14 13:22:07 abc kernel: SRAT: PXM 0 -> APIC 0x07 -> Node 0
    Oct 14 13:22:07 abc kernel: ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff]
    Oct 14 13:22:07 abc kernel: ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff]
    Oct 14 13:22:07 abc kernel: ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x103fffffff]
    Oct 14 13:22:07 abc kernel: NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff]
    Oct 14 13:22:07 abc kernel: NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x103fffffff] -> [mem 0x00000000-0x103fffffff]
    Oct 14 13:22:07 abc kernel: NODE_DATA(0) allocated [mem 0x103ffd6000-0x103fffffff]
    Oct 14 13:22:07 abc kernel: Using crashkernel=auto, the size chosen is a best effort estimation.
    Oct 14 13:22:07 abc kernel: Reserving 256MB of memory at 2800MB for crashkernel (System RAM: 65535MB)
    Oct 14 13:22:07 abc kernel: Zone ranges:
    Oct 14 13:22:07 abc kernel:  DMA      [mem 0x0000000000001000-0x0000000000ffffff]
    Oct 14 13:22:07 abc kernel:  DMA32    [mem 0x0000000001000000-0x00000000ffffffff]
    Oct 14 13:22:07 abc kernel:  Normal   [mem 0x0000000100000000-0x000000103fffffff]
    Oct 14 13:22:07 abc kernel:  Device   empty
    Oct 14 13:22:07 abc kernel: Movable zone start for each node
    Oct 14 13:22:07 abc kernel: Early memory node ranges
    Oct 14 13:22:07 abc kernel:  node   0: [mem 0x0000000000001000-0x000000000009efff]
    Oct 14 13:22:07 abc kernel:  node   0: [mem 0x0000000000100000-0x00000000bfedffff]
    Oct 14 13:22:07 abc kernel:  node   0: [mem 0x00000000bff00000-0x00000000bfffffff]
    Oct 14 13:22:07 abc kernel:  node   0: [mem 0x0000000100000000-0x000000103fffffff]
    Oct 14 13:22:07 abc kernel: Zeroed struct page in unavailable ranges: 130 pages
    Oct 14 13:22:07 abc kernel: Initmem setup node 0 [mem 0x0000000000001000-0x000000103fffffff]
    Oct 14 13:22:07 abc kernel: ACPI: PM-Timer IO Port: 0x1008
    Oct 14 13:22:07 abc kernel: ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
    Oct 14 13:22:07 abc kernel: ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
    Oct 14 13:22:07 abc kernel: ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1])
    Oct 14 13:22:07 abc kernel: ACPI: LAPIC_NMI (acpi_id[0x03] high edge lint[0x1])
    Oct 14 13:22:07 abc kernel: ACPI: LAPIC_NMI (acpi_id[0x04] high edge lint[0x1])
    Oct 14 13:22:07 abc kernel: ACPI: LAPIC_NMI (acpi_id[0x05] high edge lint[0x1])
    Oct 14 13:22:07 abc kernel: ACPI: LAPIC_NMI (acpi_id[0x06] high edge lint[0x1])
    Oct 14 13:22:07 abc kernel: ACPI: LAPIC_NMI (acpi_id[0x07] high edge lint[0x1])
    Oct 14 13:22:07 abc kernel: IOAPIC[0]: apic_id 8, version 17, address 0xfec00000, GSI 0-23
    Oct 14 13:22:07 abc kernel: ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 high edge)
    Oct 14 13:22:07 abc kernel: Using ACPI (MADT) for SMP configuration information
    Oct 14 13:22:07 abc kernel: ACPI: HPET id: 0x8086af01 base: 0xfed00000
    Oct 14 13:22:07 abc kernel: smpboot: Allowing 8 CPUs, 0 hotplug CPUs
    Oct 14 13:22:07 abc kernel: PM: Registered nosave memory: [mem 0x00000000-0x00000fff]
    Oct 14 13:22:07 abc kernel: PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff]
    Oct 14 13:22:07 abc kernel: PM: Registered nosave memory: [mem 0x000a0000-0x000dbfff]
    Oct 14 13:22:07 abc kernel: PM: Registered nosave memory: [mem 0x000dc000-0x000fffff]
    Oct 14 13:22:07 abc kernel: PM: Registered nosave memory: [mem 0xbfee0000-0xbfefefff]
    Oct 14 13:22:07 abc kernel: PM: Registered nosave memory: [mem 0xbfeff000-0xbfefffff]
    Oct 14 13:22:07 abc kernel: PM: Registered nosave memory: [mem 0xc0000000-0xefffffff]
    Oct 14 13:22:07 abc kernel: PM: Registered nosave memory: [mem 0xf0000000-0xf7ffffff]
    Oct 14 13:22:07 abc kernel: PM: Registered nosave memory: [mem 0xf8000000-0xfebfffff]
    Oct 14 13:22:07 abc kernel: PM: Registered nosave memory: [mem 0xfec00000-0xfec0ffff]
    Oct 14 13:22:07 abc kernel: PM: Registered nosave memory: [mem 0xfec10000-0xfedfffff]
    Oct 14 13:22:07 abc kernel: PM: Registered nosave memory: [mem 0xfee00000-0xfee00fff]
    Oct 14 13:22:07 abc kernel: PM: Registered nosave memory: [mem 0xfee01000-0xfffdffff]
    Oct 14 13:22:07 abc kernel: PM: Registered nosave memory: [mem 0xfffe0000-0xffffffff]
    Oct 14 13:22:07 abc kernel: [mem 0xc0000000-0xefffffff] available for PCI devices
    Oct 14 13:22:07 abc kernel: Booting paravirtualized kernel on VMware hypervisor
    Oct 14 13:22:07 abc kernel: clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns
    Oct 14 13:22:07 abc kernel: setup_percpu: NR_CPUS:8192 nr_cpumask_bits:8 nr_cpu_ids:8 nr_node_ids:1
    Oct 14 13:22:07 abc kernel: percpu: Embedded 53 pages/cpu s180224 r8192 d28672 u262144
    Oct 14 13:22:07 abc kernel: Built 1 zonelists, mobility grouping on.  Total pages: 16514784
    Oct 14 13:22:07 abc kernel: Policy zone: Normal
    Oct 14 13:22:07 abc kernel: Kernel command line: BOOT_IMAGE=(hd0,msdos1)/vmlinuz-4.18.0-193.19.1.el8_2.x86_64 root=/dev/mapper/cl_abc-root ro crashkernel=auto resume=/dev/mapper/cl_abc-swap rd.lvm.lv=cl_abc/root rd.lvm.lv=cl_abc/swap
    Oct 14 13:22:07 abc kernel: Specific versions of hardware are certified with Red Hat Enterprise Linux 8. Please see the list of hardware certified with Red Hat Enterprise Linux 8 at https://access.redhat.com/ecosystem.
    Oct 14 13:22:07 abc kernel: Memory: 2920152K/67108344K available (12292K kernel code, 2151K rwdata, 3848K rodata, 2404K init, 6476K bss, 1442128K reserved, 0K cma-reserved)
    Oct 14 13:22:07 abc kernel: SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=8, Nodes=1
    Oct 14 13:22:07 abc kernel: Kernel/User page tables isolation: enabled
    Oct 14 13:22:07 abc kernel: ftrace: allocating 36340 entries in 142 pages
    Oct 14 13:22:07 abc kernel: rcu: Hierarchical RCU implementation.
    Oct 14 13:22:07 abc kernel: rcu: #011RCU restricting CPUs from NR_CPUS=8192 to nr_cpu_ids=8.
    Oct 14 13:22:07 abc kernel: rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies.
    Oct 14 13:22:07 abc kernel: rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=8
    Oct 14 13:22:07 abc kernel: NR_IRQS: 524544, nr_irqs: 488, preallocated irqs: 16
    Oct 14 13:22:07 abc kernel: random: get_random_bytes called from start_kernel+0x36b/0x55b with crng_init=0
    Oct 14 13:22:07 abc kernel: Console: colour VGA+ 80x25
    Oct 14 13:22:07 abc kernel: printk: console [tty0] enabled
    Oct 14 13:22:07 abc kernel: ACPI: Core revision 20190703
    Oct 14 13:22:07 abc kernel: clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 133484882848 ns
    Oct 14 13:22:07 abc kernel: APIC: Switch to symmetric I/O mode setup
    Oct 14 13:22:07 abc kernel: x2apic enabled
    Oct 14 13:22:07 abc kernel: Switched APIC routing to physical x2apic.
    Oct 14 13:22:07 abc kernel: ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
    Oct 14 13:22:07 abc kernel: clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212733415c7, max_idle_ns: 440795236380 ns
    Oct 14 13:22:07 abc kernel: Calibrating delay loop (skipped) preset value.. 4599.99 BogoMIPS (lpj=2299998)
    Oct 14 13:22:07 abc kernel: pid_max: default: 32768 minimum: 301
    Oct 14 13:22:07 abc kernel: Security Framework initialized
    Oct 14 13:22:07 abc kernel: Yama: becoming mindful.
    Oct 14 13:22:07 abc kernel: SELinux:  Initializing.
    Oct 14 13:22:07 abc kernel: Dentry cache hash table entries: 8388608 (order: 14, 67108864 bytes)
    Oct 14 13:22:07 abc kernel: Inode-cache hash table entries: 4194304 (order: 13, 33554432 bytes)
    Oct 14 13:22:07 abc kernel: Mount-cache hash table entries: 131072 (order: 8, 1048576 bytes)
    Oct 14 13:22:07 abc kernel: Mountpoint-cache hash table entries: 131072 (order: 8, 1048576 bytes)
    Oct 14 13:22:07 abc kernel: Disabled fast string operations
    Oct 14 13:22:07 abc kernel: ENERGY_PERF_BIAS: Set to 'normal', was 'performance'
    Oct 14 13:22:07 abc kernel: ENERGY_PERF_BIAS: View and update with x86_energy_perf_policy(8)
    Oct 14 13:22:07 abc kernel: Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8
    Oct 14 13:22:07 abc kernel: Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4
    Oct 14 13:22:07 abc kernel: FEATURE SPEC_CTRL Not Present
    Oct 14 13:22:07 abc kernel: FEATURE IBPB_SUPPORT Not Present
    Oct 14 13:22:07 abc kernel: Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization
    Oct 14 13:22:07 abc kernel: Spectre V2 : Mitigation: Full generic retpoline
    Oct 14 13:22:07 abc kernel: Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch
    Oct 14 13:22:07 abc kernel: Speculative Store Bypass: Vulnerable
    Oct 14 13:22:07 abc kernel: TAA: Vulnerable: Clear CPU buffers attempted, no microcode
    Oct 14 13:22:07 abc kernel: MDS: Vulnerable: Clear CPU buffers attempted, no microcode
    Oct 14 13:22:07 abc kernel: Freeing SMP alternatives memory: 32K
    Oct 14 13:22:07 abc kernel: smpboot: CPU0: Intel(R) Xeon(R) CPU E5-2697 v4 @ 2.30GHz (family: 0x6, model: 0x4f, stepping: 0x1)
    Oct 14 13:22:07 abc kernel: Performance Events: Broadwell events, core PMU driver.
    Oct 14 13:22:07 abc kernel: core: CPUID marked event: 'cpu cycles' unavailable
    Oct 14 13:22:07 abc kernel: core: CPUID marked event: 'instructions' unavailable
    Oct 14 13:22:07 abc kernel: core: CPUID marked event: 'bus cycles' unavailable
    Oct 14 13:22:07 abc kernel: core: CPUID marked event: 'cache references' unavailable
    Oct 14 13:22:07 abc kernel: core: CPUID marked event: 'cache misses' unavailable
    Oct 14 13:22:07 abc kernel: core: CPUID marked event: 'branch instructions' unavailable
    Oct 14 13:22:07 abc kernel: core: CPUID marked event: 'branch misses' unavailable
    Oct 14 13:22:07 abc kernel: ... version:                1
    Oct 14 13:22:07 abc kernel: ... bit width:              48
    Oct 14 13:22:07 abc kernel: ... generic registers:      4
    Oct 14 13:22:07 abc kernel: ... value mask:             0000ffffffffffff
    Oct 14 13:22:07 abc kernel: ... max period:             000000007fffffff
    Oct 14 13:22:07 abc kernel: ... fixed-purpose events:   0
    Oct 14 13:22:07 abc kernel: ... event mask:             000000000000000f
    Oct 14 13:22:07 abc kernel: rcu: Hierarchical SRCU implementation.
    Oct 14 13:22:07 abc kernel: NMI watchdog: Perf NMI watchdog permanently disabled
    Oct 14 13:22:07 abc kernel: smp: Bringing up secondary CPUs ...
    Oct 14 13:22:07 abc kernel: x86: Booting SMP configuration:
    Oct 14 13:22:07 abc kernel: .... node  #0, CPUs:      #1
    Oct 14 13:22:07 abc kernel: Disabled fast string operations
    Oct 14 13:22:07 abc kernel: #2
    Oct 14 13:22:07 abc kernel: Disabled fast string operations
    Oct 14 13:22:07 abc kernel: smpboot: CPU 2 Converting physical 0 to logical die 1
    Oct 14 13:22:07 abc kernel: #3
    Oct 14 13:22:07 abc kernel: Disabled fast string operations
    Oct 14 13:22:07 abc kernel: #4
    Oct 14 13:22:07 abc kernel: Disabled fast string operations
    Oct 14 13:22:07 abc kernel: smpboot: CPU 4 Converting physical 0 to logical die 2
    Oct 14 13:22:07 abc kernel: #5
    Oct 14 13:22:07 abc kernel: Disabled fast string operations
    Oct 14 13:22:07 abc kernel: #6
    Oct 14 13:22:07 abc kernel: Disabled fast string operations
    Oct 14 13:22:07 abc kernel: smpboot: CPU 6 Converting physical 0 to logical die 3
    Oct 14 13:22:07 abc kernel: #7
    Oct 14 13:22:07 abc kernel: Disabled fast string operations
    Oct 14 13:22:07 abc kernel: smp: Brought up 1 node, 8 CPUs
    Oct 14 13:22:07 abc kernel: smpboot: Max logical packages: 4
    Oct 14 13:22:07 abc kernel: smpboot: Total of 8 processors activated (36799.96 BogoMIPS)
    Oct 14 13:22:07 abc kernel: node 0 initialised, 15686516 pages in 800ms
    Oct 14 13:22:07 abc kernel: devtmpfs: initialized
    Oct 14 13:22:07 abc kernel: x86/mm: Memory block size: 1024MB
    Oct 14 13:22:07 abc kernel: PM: Registering ACPI NVS region [mem 0xbfeff000-0xbfefffff] (4096 bytes)
    Oct 14 13:22:07 abc kernel: clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns
    Oct 14 13:22:07 abc kernel: futex hash table entries: 2048 (order: 5, 131072 bytes)
    Oct 14 13:22:07 abc kernel: pinctrl core: initialized pinctrl subsystem
    Oct 14 13:22:07 abc kernel: NET: Registered protocol family 16
    Oct 14 13:22:07 abc kernel: audit: initializing netlink subsys (disabled)
    Oct 14 13:22:07 abc kernel: audit: type=2000 audit(1602661925.867:1): state=initialized audit_enabled=0 res=1
    Oct 14 13:22:07 abc kernel: cpuidle: using governor menu
    Oct 14 13:22:07 abc kernel: Simple Boot Flag at 0x36 set to 0x80
    Oct 14 13:22:07 abc kernel: ACPI: bus type PCI registered
    Oct 14 13:22:07 abc kernel: acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
    Oct 14 13:22:07 abc kernel: PCI: MMCONFIG for domain 0000 [bus 00-7f] at [mem 0xf0000000-0xf7ffffff] (base 0xf0000000)
    Oct 14 13:22:07 abc kernel: PCI: MMCONFIG at [mem 0xf0000000-0xf7ffffff] reserved in E820
    Oct 14 13:22:07 abc kernel: PCI: Using configuration type 1 for base access
    Oct 14 13:22:07 abc kernel: HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages
    Oct 14 13:22:07 abc kernel: HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages
    Oct 14 13:22:07 abc kernel: cryptd: max_cpu_qlen set to 1000
    Oct 14 13:22:07 abc kernel: ACPI: Added _OSI(Module Device)
    Oct 14 13:22:07 abc kernel: ACPI: Added _OSI(Processor Device)
    Oct 14 13:22:07 abc kernel: ACPI: Added _OSI(3.0 _SCP Extensions)
    Oct 14 13:22:07 abc kernel: ACPI: Added _OSI(Processor Aggregator Device)
    Oct 14 13:22:07 abc kernel: ACPI: Added _OSI(Linux-Dell-Video)
    Oct 14 13:22:07 abc kernel: ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)
    Oct 14 13:22:07 abc kernel: ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)
    Oct 14 13:22:07 abc kernel: ACPI: 1 ACPI AML tables successfully acquired and loaded
    Oct 14 13:22:07 abc kernel: ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
    Oct 14 13:22:07 abc kernel: ACPI: Interpreter enabled
    Oct 14 13:22:07 abc kernel: ACPI: (supports S0 S1 S4 S5)
    Oct 14 13:22:07 abc kernel: ACPI: Using IOAPIC for interrupt routing
    Oct 14 13:22:07 abc kernel: PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
    Oct 14 13:22:07 abc kernel: ACPI: Enabled 4 GPEs in block 00 to 0F
    Oct 14 13:22:07 abc kernel: ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-7f])
    Oct 14 13:22:07 abc kernel: acpi PNP0A03:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3]
    Oct 14 13:22:07 abc kernel: acpi PNP0A03:00: _OSC: platform does not support [AER LTR]
    Oct 14 13:22:07 abc kernel: acpi PNP0A03:00: _OSC: OS now controls [PCIeHotplug SHPCHotplug PME PCIeCapability]
    Oct 14 13:22:07 abc kernel: PCI host bridge to bus 0000:00
    Oct 14 13:22:07 abc kernel: pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
    Oct 14 13:22:07 abc kernel: pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window]
    Oct 14 13:22:07 abc kernel: pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window]
    Oct 14 13:22:07 abc kernel: pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window]
    Oct 14 13:22:07 abc kernel: pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window]
    Oct 14 13:22:07 abc kernel: pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]
    Oct 14 13:22:07 abc kernel: pci_bus 0000:00: root bus resource [io  0x0d00-0xfeff window]
    Oct 14 13:22:07 abc kernel: pci_bus 0000:00: root bus resource [bus 00-7f]
    Oct 14 13:22:07 abc kernel: pci 0000:00:00.0: [8086:7190] type 00 class 0x060000
    Oct 14 13:22:07 abc kernel: pci 0000:00:01.0: [8086:7191] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:07.0: [8086:7110] type 00 class 0x060100
    Oct 14 13:22:07 abc kernel: pci 0000:00:07.1: [8086:7111] type 00 class 0x01018a
    Oct 14 13:22:07 abc kernel: pci 0000:00:07.1: reg 0x20: [io  0x1060-0x106f]
    Oct 14 13:22:07 abc kernel: pci 0000:00:07.1: legacy IDE quirk: reg 0x10: [io  0x01f0-0x01f7]
    Oct 14 13:22:07 abc kernel: pci 0000:00:07.1: legacy IDE quirk: reg 0x14: [io  0x03f6]
    Oct 14 13:22:07 abc kernel: pci 0000:00:07.1: legacy IDE quirk: reg 0x18: [io  0x0170-0x0177]
    Oct 14 13:22:07 abc kernel: pci 0000:00:07.1: legacy IDE quirk: reg 0x1c: [io  0x0376]
    Oct 14 13:22:07 abc kernel: pci 0000:00:07.3: [8086:7113] type 00 class 0x068000
    Oct 14 13:22:07 abc kernel: pci 0000:00:07.3: quirk: [io  0x1000-0x103f] claimed by PIIX4 ACPI
    Oct 14 13:22:07 abc kernel: pci 0000:00:07.3: quirk: [io  0x1040-0x104f] claimed by PIIX4 SMB
    Oct 14 13:22:07 abc kernel: pci 0000:00:07.7: [15ad:0740] type 00 class 0x088000
    Oct 14 13:22:07 abc kernel: pci 0000:00:07.7: reg 0x10: [io  0x1080-0x10bf]
    Oct 14 13:22:07 abc kernel: pci 0000:00:07.7: reg 0x14: [mem 0xfebfe000-0xfebfffff 64bit]
    Oct 14 13:22:07 abc kernel: pci 0000:00:0f.0: [15ad:0405] type 00 class 0x030000
    Oct 14 13:22:07 abc kernel: pci 0000:00:0f.0: reg 0x10: [io  0x1070-0x107f]
    Oct 14 13:22:07 abc kernel: pci 0000:00:0f.0: reg 0x14: [mem 0xe8000000-0xefffffff pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:0f.0: reg 0x18: [mem 0xfe000000-0xfe7fffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:0f.0: reg 0x30: [mem 0x00000000-0x00007fff pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:11.0: [15ad:0790] type 01 class 0x060401
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.0: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.0: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.1: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.1: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.2: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.2: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.3: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.3: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.4: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.4: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.5: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.5: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.6: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.6: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.7: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.7: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.0: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.0: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.1: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.1: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.2: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.2: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.3: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.3: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.4: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.4: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.5: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.5: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.6: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.6: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.7: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.7: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.0: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.0: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.1: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.1: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.2: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.2: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.3: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.3: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.4: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.4: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.5: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.5: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.6: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.6: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.7: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.7: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.0: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.0: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.1: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.1: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.2: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.2: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.3: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.3: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.4: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.4: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.5: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.5: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.6: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.6: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.7: [15ad:07a0] type 01 class 0x060400
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.7: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci_bus 0000:01: extended config space not accessible
    Oct 14 13:22:07 abc kernel: pci 0000:00:01.0: PCI bridge to [bus 01]
    Oct 14 13:22:07 abc kernel: pci_bus 0000:02: extended config space not accessible
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [32] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [33] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [34] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [35] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [36] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [37] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [38] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [39] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [40] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [41] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [42] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [43] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [44] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [45] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [46] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [47] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [48] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [49] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [50] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [51] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [52] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [53] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [54] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [55] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [56] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [57] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [58] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [59] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [60] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [61] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [62] registered
    Oct 14 13:22:07 abc kernel: acpiphp: Slot [63] registered
    Oct 14 13:22:07 abc kernel: pci 0000:02:01.0: [15ad:07e0] type 00 class 0x010601
    Oct 14 13:22:07 abc kernel: pci 0000:02:01.0: reg 0x24: [mem 0xfd5ff000-0xfd5fffff]
    Oct 14 13:22:07 abc kernel: pci 0000:02:01.0: reg 0x30: [mem 0x00000000-0x0000ffff pref]
    Oct 14 13:22:07 abc kernel: pci 0000:02:01.0: PME# supported from D3hot
    Oct 14 13:22:07 abc kernel: pci 0000:00:11.0: PCI bridge to [bus 02] (subtractive decode)
    Oct 14 13:22:07 abc kernel: pci 0000:00:11.0:   bridge window [io  0x2000-0x3fff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:11.0:   bridge window [mem 0xfd500000-0xfdffffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:11.0:   bridge window [mem 0xe7b00000-0xe7ffffff 64bit pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:11.0:   bridge window [mem 0x000a0000-0x000bffff window] (subtractive decode)
    Oct 14 13:22:07 abc kernel: pci 0000:00:11.0:   bridge window [mem 0x000d0000-0x000d3fff window] (subtractive decode)
    Oct 14 13:22:07 abc kernel: pci 0000:00:11.0:   bridge window [mem 0x000d4000-0x000d7fff window] (subtractive decode)
    Oct 14 13:22:07 abc kernel: pci 0000:00:11.0:   bridge window [mem 0x000d8000-0x000dbfff window] (subtractive decode)
    Oct 14 13:22:07 abc kernel: pci 0000:00:11.0:   bridge window [mem 0xc0000000-0xfebfffff window] (subtractive decode)
    Oct 14 13:22:07 abc kernel: pci 0000:00:11.0:   bridge window [io  0x0000-0x0cf7 window] (subtractive decode)
    Oct 14 13:22:07 abc kernel: pci 0000:00:11.0:   bridge window [io  0x0d00-0xfeff window] (subtractive decode)
    Oct 14 13:22:07 abc kernel: pci 0000:03:00.0: [15ad:07c0] type 00 class 0x010700
    Oct 14 13:22:07 abc kernel: pci 0000:03:00.0: reg 0x10: [io  0x4000-0x4007]
    Oct 14 13:22:07 abc kernel: pci 0000:03:00.0: reg 0x14: [mem 0xfd4f8000-0xfd4fffff 64bit]
    Oct 14 13:22:07 abc kernel: pci 0000:03:00.0: reg 0x30: [mem 0x00000000-0x0000ffff pref]
    Oct 14 13:22:07 abc kernel: pci 0000:03:00.0: PME# supported from D0 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:03:00.0: disabling ASPM on pre-1.1 PCIe device.  You can enable it with 'pcie_aspm=force'
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.0: PCI bridge to [bus 03]
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.0:   bridge window [io  0x4000-0x4fff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.0:   bridge window [mem 0xfd400000-0xfd4fffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.1: PCI bridge to [bus 04]
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.1:   bridge window [io  0x8000-0x8fff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.1:   bridge window [mem 0xfd000000-0xfd0fffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.1:   bridge window [mem 0xe7800000-0xe78fffff 64bit pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.2: PCI bridge to [bus 05]
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.2:   bridge window [io  0xc000-0xcfff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.2:   bridge window [mem 0xfcc00000-0xfccfffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.2:   bridge window [mem 0xe7400000-0xe74fffff 64bit pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.3: PCI bridge to [bus 06]
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.3:   bridge window [mem 0xfc800000-0xfc8fffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.3:   bridge window [mem 0xe7000000-0xe70fffff 64bit pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.4: PCI bridge to [bus 07]
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.4:   bridge window [mem 0xfc400000-0xfc4fffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.4:   bridge window [mem 0xe6c00000-0xe6cfffff 64bit pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.5: PCI bridge to [bus 08]
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.5:   bridge window [mem 0xfc000000-0xfc0fffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.5:   bridge window [mem 0xe6800000-0xe68fffff 64bit pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.6: PCI bridge to [bus 09]
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.6:   bridge window [mem 0xfbc00000-0xfbcfffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.6:   bridge window [mem 0xe6400000-0xe64fffff 64bit pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.7: PCI bridge to [bus 0a]
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.7:   bridge window [mem 0xfb800000-0xfb8fffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:15.7:   bridge window [mem 0xe6000000-0xe60fffff 64bit pref]
    Oct 14 13:22:07 abc kernel: pci 0000:0b:00.0: [15ad:07b0] type 00 class 0x020000
    Oct 14 13:22:07 abc kernel: pci 0000:0b:00.0: reg 0x10: [mem 0xfd3fc000-0xfd3fcfff]
    Oct 14 13:22:07 abc kernel: pci 0000:0b:00.0: reg 0x14: [mem 0xfd3fd000-0xfd3fdfff]
    Oct 14 13:22:07 abc kernel: pci 0000:0b:00.0: reg 0x18: [mem 0xfd3fe000-0xfd3fffff]
    Oct 14 13:22:07 abc kernel: pci 0000:0b:00.0: reg 0x1c: [io  0x5000-0x500f]
    Oct 14 13:22:07 abc kernel: pci 0000:0b:00.0: reg 0x30: [mem 0x00000000-0x0000ffff pref]
    Oct 14 13:22:07 abc kernel: pci 0000:0b:00.0: supports D1 D2
    Oct 14 13:22:07 abc kernel: pci 0000:0b:00.0: PME# supported from D0 D1 D2 D3hot D3cold
    Oct 14 13:22:07 abc kernel: pci 0000:0b:00.0: disabling ASPM on pre-1.1 PCIe device.  You can enable it with 'pcie_aspm=force'
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.0: PCI bridge to [bus 0b]
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.0:   bridge window [io  0x5000-0x5fff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.0:   bridge window [mem 0xfd300000-0xfd3fffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.1: PCI bridge to [bus 0c]
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.1:   bridge window [io  0x9000-0x9fff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.1:   bridge window [mem 0xfcf00000-0xfcffffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.1:   bridge window [mem 0xe7700000-0xe77fffff 64bit pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.2: PCI bridge to [bus 0d]
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.2:   bridge window [io  0xd000-0xdfff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.2:   bridge window [mem 0xfcb00000-0xfcbfffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.2:   bridge window [mem 0xe7300000-0xe73fffff 64bit pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.3: PCI bridge to [bus 0e]
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.3:   bridge window [mem 0xfc700000-0xfc7fffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.3:   bridge window [mem 0xe6f00000-0xe6ffffff 64bit pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.4: PCI bridge to [bus 0f]
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.4:   bridge window [mem 0xfc300000-0xfc3fffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.4:   bridge window [mem 0xe6b00000-0xe6bfffff 64bit pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.5: PCI bridge to [bus 10]
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.5:   bridge window [mem 0xfbf00000-0xfbffffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.5:   bridge window [mem 0xe6700000-0xe67fffff 64bit pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.6: PCI bridge to [bus 11]
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.6:   bridge window [mem 0xfbb00000-0xfbbfffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.6:   bridge window [mem 0xe6300000-0xe63fffff 64bit pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.7: PCI bridge to [bus 12]
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.7:   bridge window [mem 0xfb700000-0xfb7fffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:16.7:   bridge window [mem 0xe5f00000-0xe5ffffff 64bit pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.0: PCI bridge to [bus 13]
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.0:   bridge window [io  0x6000-0x6fff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.0:   bridge window [mem 0xfd200000-0xfd2fffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.0:   bridge window [mem 0xe7a00000-0xe7afffff 64bit pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.1: PCI bridge to [bus 14]
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.1:   bridge window [io  0xa000-0xafff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.1:   bridge window [mem 0xfce00000-0xfcefffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.1:   bridge window [mem 0xe7600000-0xe76fffff 64bit pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.2: PCI bridge to [bus 15]
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.2:   bridge window [io  0xe000-0xefff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.2:   bridge window [mem 0xfca00000-0xfcafffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.2:   bridge window [mem 0xe7200000-0xe72fffff 64bit pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.3: PCI bridge to [bus 16]
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.3:   bridge window [mem 0xfc600000-0xfc6fffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.3:   bridge window [mem 0xe6e00000-0xe6efffff 64bit pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.4: PCI bridge to [bus 17]
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.4:   bridge window [mem 0xfc200000-0xfc2fffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.4:   bridge window [mem 0xe6a00000-0xe6afffff 64bit pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.5: PCI bridge to [bus 18]
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.5:   bridge window [mem 0xfbe00000-0xfbefffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.5:   bridge window [mem 0xe6600000-0xe66fffff 64bit pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.6: PCI bridge to [bus 19]
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.6:   bridge window [mem 0xfba00000-0xfbafffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.6:   bridge window [mem 0xe6200000-0xe62fffff 64bit pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.7: PCI bridge to [bus 1a]
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.7:   bridge window [mem 0xfb600000-0xfb6fffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:17.7:   bridge window [mem 0xe5e00000-0xe5efffff 64bit pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.0: PCI bridge to [bus 1b]
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.0:   bridge window [io  0x7000-0x7fff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.0:   bridge window [mem 0xfd100000-0xfd1fffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.0:   bridge window [mem 0xe7900000-0xe79fffff 64bit pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.1: PCI bridge to [bus 1c]
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.1:   bridge window [io  0xb000-0xbfff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.1:   bridge window [mem 0xfcd00000-0xfcdfffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.1:   bridge window [mem 0xe7500000-0xe75fffff 64bit pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.2: PCI bridge to [bus 1d]
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.2:   bridge window [mem 0xfc900000-0xfc9fffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.2:   bridge window [mem 0xe7100000-0xe71fffff 64bit pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.3: PCI bridge to [bus 1e]
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.3:   bridge window [mem 0xfc500000-0xfc5fffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.3:   bridge window [mem 0xe6d00000-0xe6dfffff 64bit pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.4: PCI bridge to [bus 1f]
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.4:   bridge window [mem 0xfc100000-0xfc1fffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.4:   bridge window [mem 0xe6900000-0xe69fffff 64bit pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.5: PCI bridge to [bus 20]
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.5:   bridge window [mem 0xfbd00000-0xfbdfffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.5:   bridge window [mem 0xe6500000-0xe65fffff 64bit pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.6: PCI bridge to [bus 21]
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.6:   bridge window [mem 0xfb900000-0xfb9fffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.6:   bridge window [mem 0xe6100000-0xe61fffff 64bit pref]
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.7: PCI bridge to [bus 22]
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.7:   bridge window [mem 0xfb500000-0xfb5fffff]
    Oct 14 13:22:07 abc kernel: pci 0000:00:18.7:   bridge window [mem 0xe5d00000-0xe5dfffff 64bit pref]
    Oct 14 13:22:07 abc kernel: ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 7 *9 10 11 14 15)
    Oct 14 13:22:07 abc kernel: ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 7 9 10 11 14 15) *0, disabled.
    Oct 14 13:22:07 abc kernel: ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 7 9 *10 11 14 15)
    Oct 14 13:22:07 abc kernel: ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 7 9 10 *11 14 15)
    Oct 14 13:22:07 abc kernel: iommu: Default domain type: Passthrough
    Oct 14 13:22:07 abc kernel: pci 0000:00:0f.0: vgaarb: setting as boot VGA device
    Oct 14 13:22:07 abc kernel: pci 0000:00:0f.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
    Oct 14 13:22:07 abc kernel: pci 0000:00:0f.0: vgaarb: bridge control possible
    Oct 14 13:22:07 abc kernel: vgaarb: loaded
    Oct 14 13:22:07 abc kernel: SCSI subsystem initialized
    Oct 14 13:22:07 abc kernel: ACPI: bus type USB registered
    Oct 14 13:22:07 abc kernel: usbcore: registered new interface driver usbfs
    Oct 14 13:22:07 abc kernel: usbcore: registered new interface driver hub
    Oct 14 13:22:07 abc kernel: usbcore: registered new device driver usb
    Oct 14 13:22:07 abc kernel: pps_core: LinuxPPS API ver. 1 registered
    Oct 14 13:22:07 abc kernel: pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
    Oct 14 13:22:07 abc kernel: PTP clock support registered
    Oct 14 13:22:07 abc kernel: EDAC MC: Ver: 3.0.0
    Oct 14 13:22:07 abc kernel: PCI: Using ACPI for IRQ routing
    Oct 14 13:22:07 abc kernel: NetLabel: Initializing
    Oct 14 13:22:07 abc kernel: NetLabel:  domain hash size = 128
    Oct 14 13:22:07 abc kernel: NetLabel:  protocols = UNLABELED CIPSOv4 CALIPSO
    Oct 14 13:22:07 abc kernel: NetLabel:  unlabeled traffic allowed by default
    Oct 14 13:22:07 abc kernel: hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
    Oct 14 13:22:07 abc kernel: hpet0: 16 comparators, 64-bit 14.318180 MHz counter
    Oct 14 13:22:07 abc kernel: clocksource: Switched to clocksource tsc-early
    Oct 14 13:22:07 abc kernel: VFS: Disk quotas dquot_6.6.0
    Oct 14 13:22:07 abc kernel: VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
    Oct 14 13:22:07 abc kernel: pnp: PnP ACPI init
    Oct 14 13:22:07 abc kernel: system 00:00: [io  0x1000-0x103f] has been reserved
    Oct 14 13:22:07 abc kernel: system 00:00: [io  0x1040-0x104f] has been reserved
    Oct 14 13:22:07 abc kernel: system 00:00: [io  0x0cf0-0x0cf1] has been reserved
    Oct 14 13:22:07 abc kernel: system 00:04: [mem 0xfed00000-0xfed003ff] has been reserved
    Oct 14 13:22:07 abc kernel: system 00:05: [io  0xfce0-0xfcff] has been reserved
    Oct 14 13:22:07 abc kernel: system 00:05: [mem 0xf0000000-0xf7ffffff] has been reserved
    Oct 14 13:22:07 abc kernel: system 00:05: [mem 0xfe800000-0xfe9fffff] has been reserved
    Oct 14 13:22:07 abc kernel: pnp: PnP ACPI: found 6 devices
    
    • Hi there @lakmalchamila,

      I don’t see anything suspicious here. Did you have a restart at on Oct 14 at 13:22?

      If not, you need to check the messages log at an approximate time when a restart happened.

      You can check the rotated logs at /var/log/messages-TIMESTAMP and look for an approximate time when a server reboot happened.

      Regards,
      Bobby

      • Yeah, It got restarted. It Started around 13.22, not much users were there around 50-60 users and suddenly CPU usage goes to maximum and VM got restarted. In here due to spam factor cant atteached entire log. from higher usage to restart it has 1500 lines in the log.

        • Hello,

          Yes at 13:22 it seems like the server started booting but I don’t see any errors during the boot process.

          Do you see any errors if you try running dmesg and journalctl -f?

          Another thing that I could suggest is checking your Apache access log for some malicious activity.

          Regards,
          Bobby

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