当前分配内存1G，内核
3.10.0-693.el7.x86_64
total used free shared buff/cache available
Mem: 1016288 159984 95572 828 760732 679680
Swap: 0 0 0
dmesg分析
RAM map
6 [Mon Jun 8 20:57:35 2020] e820: BIOS-provided physical RAM map:
7 [Mon Jun 8 20:57:35 2020] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable
8 [Mon Jun 8 20:57:35 2020] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved
9 [Mon Jun 8 20:57:35 2020] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved
10 [Mon Jun 8 20:57:35 2020] BIOS-e820: [mem 0x0000000000100000-0x000000003fffdfff] usable
11 [Mon Jun 8 20:57:35 2020] BIOS-e820: [mem 0x000000003fffe000-0x000000003fffffff] reserved
12 [Mon Jun 8 20:57:35 2020] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved
13 [Mon Jun 8 20:57:35 2020] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved
18 [Mon Jun 8 20:57:35 2020] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
19 [Mon Jun 8 20:57:35 2020] e820: remove [mem 0x000a0000-0x000fffff] usable
20 [Mon Jun 8 20:57:35 2020] e820: last_pfn = 0x3fffe max_arch_pfn = 0x400000000
258 [Mon Jun 8 20:57:35 2020] e820: reserve RAM buffer [mem 0x0009fc00-0x0009ffff]
259 [Mon Jun 8 20:57:35 2020] e820: reserve RAM buffer [mem 0x3fffe000-0x3fffffff]
因为 18、19行的 update、remove，所以usable只有如下地址：
[mem 0x0000000000001000-0x000000000009fbff]usable
[mem 0x0000000000100000-0x000000003fffdfff] usable
last_pfn = 0x3fffe max_arch_pfn = 0x400000000
0x000000003fffffff1GB
0x00000000ffffffff4GB
Zones
59 [Mon Jun 8 20:57:35 2020] Zone ranges:
60 [Mon Jun 8 20:57:35 2020] DMA [mem 0x00001000-0x00ffffff]
61 [Mon Jun 8 20:57:35 2020] DMA32 [mem 0x01000000-0xffffffff]
62 [Mon Jun 8 20:57:35 2020] Normal empty
63 [Mon Jun 8 20:57:35 2020] Movable zone start for each node
64 [Mon Jun 8 20:57:35 2020] Early memory node ranges
65 [Mon Jun 8 20:57:35 2020] node 0: [mem 0x00001000-0x0009efff]
66 [Mon Jun 8 20:57:35 2020] node 0: [mem 0x00100000-0x3fffdfff]
67 [Mon Jun 8 20:57:35 2020] Initmem setup node 0 [mem 0x00001000-0x3fffdfff]
68 [Mon Jun 8 20:57:35 2020] On node 0 totalpages: 262044
69 [Mon Jun 8 20:57:35 2020] DMA zone: 64 pages used for memmap
70 [Mon Jun 8 20:57:35 2020] DMA zone: 21 pages reserved
71 [Mon Jun 8 20:57:35 2020] DMA zone: 3998 pages, LIFO batch:0
72 [Mon Jun 8 20:57:35 2020] DMA32 zone: 4032 pages used for memmap
73 [Mon Jun 8 20:57:35 2020] DMA32 zone: 258046 pages, LIFO batch:31
根据如上信息，解析如下（略有些对不上）：
DMA zone: 3998 pages && DMA32 zone: 258046 pages == 262044 pages RAM
16进制 10进制
----------------------------------------------------------------------------
0x00001000 4096 | 0x00001000 - 0x00ffffff 4095 pages
| DMA zone
0x0009fbff 654335 |
-------------------------------------
0x0009fc00 654336 |
reserve RAM buffer (1024)
0x0009ffff 655359 |
-------------------------------------
0x000a0000 655360 |
|
0x00ffffff 16777215 |
-----------------------------------16M--------------------------------------
0x01000000 16777216 | 0x01000000 - 0x3fffdfff 258046 pages
| DMA32 zone
0x3fffdfff 1073733631 |
---------------------------------RAM map END
0x3fffe000 1073733632 |
reserve RAM buffer (8192)
0x3fffffff 1073741823 |
-------------------------------------
|
|
0xffffffff 4294967295 |
----------------------------------------------------------------------------
Policy zone
102 [Mon Jun 8 20:57:35 2020] Policy zone: DMA32
103 [Mon Jun 8 20:57:35 2020] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-3.10.0-693.el7.x86_64 root=UUID=2c04c946-7fee-41c2-a99f-f53e2532e4f7 ro crashkernel=auto console=ttyS0 console=tty0 panic=5 net.ifnames=0 biosdevname=0
104 [Mon Jun 8 20:57:35 2020] PID hash table entries: 4096 (order: 3, 32768 bytes)
105 [Mon Jun 8 20:57:35 2020] x86/fpu: xstate_offset[2]: 0240, xstate_sizes[2]: 0100
106 [Mon Jun 8 20:57:35 2020] xsave: enabled xstate_bv 0x7, cntxt size 0x340 using standard form
107 [Mon Jun 8 20:57:35 2020] Memory: 997304k/1048568k available (6886k kernel code, 392k absent, 50872k reserved, 4545k data, 1764k init)
1048568k = (0x00000000 - 0x3fffdfff) 。free命令的total memory 是 1016288k。
OOM-Kill
[Fri May 7 18:52:02 2021] Mem-Info:
[Fri May 7 18:52:02 2021] active_anon:207723 inactive_anon:72 isolated_anon:0
[Fri May 7 18:52:02 2021] lowmem_reserve[]: 0 975 975 975
[Fri May 7 18:52:02 2021] lowmem_reserve[]: 0 0 0 0
[Fri May 7 18:52:02 2021] Node 0 DMA: 12*4kB (UE) 21*8kB (UE) 14*16kB (UEM) 10*32kB (UE) 6*64kB (UEM) 3*128kB (U) 2*256kB (UE) 1*512kB (M) 2*1024kB (EM) 0*2048kB 0*4096kB = 4600kB
[Fri May 7 18:52:02 2021] Node 0 DMA32: 332*4kB (UEM) 465*8kB (UE) 503*16kB (UEM) 303*32kB (UEM) 194*64kB (UEM) 37*128kB (UE) 11*256kB (UEM) 3*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 44296kB
[Fri May 7 18:52:02 2021] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[Fri May 7 18:52:02 2021] 9248 total pagecache pages
[Fri May 7 18:52:02 2021] 0 pages in swap cache
[Fri May 7 18:52:02 2021] Swap cache stats: add 0, delete 0, find 0/0
[Fri May 7 18:52:02 2021] Free swap = 0kB
[Fri May 7 18:52:02 2021] Total swap = 0kB
[Fri May 7 18:52:02 2021] 262044 pages RAM
[Fri May 7 18:52:02 2021] 0 pages HighMem/MovableOnly
[Fri May 7 18:52:02 2021] 7972 pages reserved
[Fri May 7 18:52:02 2021] Out of memory: Kill process 15318 (vim) score 632 or sacrifice child
[Fri May 7 18:52:02 2021] Killed process 15318 (vim) total-vm:810496kB, anon-rss:661536kB, file-rss:144kB, shmem-rss:0kB
这个好像是 /proc/buddyinfo，即free pages的分布
| 4kb | 8kb | 16kb | 32kb | 64kb | 128kb | 256kb | 512kb | 1024kb | 2048kb | 4096kb | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pages | 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128 | 256 | 512 | 1024 | |
| DMA | 12 | 21 | 14 | 10 | 6 | 3 | 2 | 1 | 2 | 4600k | ||
| DMA32 | 332 | 465 | 503 | 303 | 194 | 37 | 11 | 3 | 44296k | |||
| sum | 344 | 486 | 517 | 313 | 200 | 40 | 13 | 4 | ||||
| sum 4k page | 344 | 992 | 2068 | 2504 | 3200 | 1280 | 832 | 512 | 12224 |
free memory = DMA & DMA32 = 48896kb 12224pages
附件：完整dmesg
1 [Mon Jun 8 20:57:35 2020] Initializing cgroup subsys cpuset
2 [Mon Jun 8 20:57:35 2020] Initializing cgroup subsys cpu
3 [Mon Jun 8 20:57:35 2020] Initializing cgroup subsys cpuacct
4 [Mon Jun 8 20:57:35 2020] Linux version 3.10.0-693.el7.x86_64 (builder@kbuilder.dev.centos.org) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-16) (GCC) ) #1 SMP Tue Aug 22 21:09:27 UTC 2017
5 [Mon Jun 8 20:57:35 2020] Command line: BOOT_IMAGE=/boot/vmlinuz-3.10.0-693.el7.x86_64 root=UUID=2c04c946-7fee-41c2-a99f-f53e2532e4f7 ro crashkernel=auto console=ttyS0 console=tty0 panic=5 net.ifnames=0 biosdevname=0
6 [Mon Jun 8 20:57:35 2020] e820: BIOS-provided physical RAM map:
7 [Mon Jun 8 20:57:35 2020] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable
8 [Mon Jun 8 20:57:35 2020] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved
9 [Mon Jun 8 20:57:35 2020] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved
10 [Mon Jun 8 20:57:35 2020] BIOS-e820: [mem 0x0000000000100000-0x000000003fffdfff] usable
11 [Mon Jun 8 20:57:35 2020] BIOS-e820: [mem 0x000000003fffe000-0x000000003fffffff] reserved
12 [Mon Jun 8 20:57:35 2020] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved
13 [Mon Jun 8 20:57:35 2020] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved
14 [Mon Jun 8 20:57:35 2020] NX (Execute Disable) protection: active
15 [Mon Jun 8 20:57:35 2020] SMBIOS 2.4 present.
16 [Mon Jun 8 20:57:35 2020] DMI: Bochs Bochs, BIOS Bochs 01/01/2011
17 [Mon Jun 8 20:57:35 2020] Hypervisor detected: KVM
18 [Mon Jun 8 20:57:35 2020] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
19 [Mon Jun 8 20:57:35 2020] e820: remove [mem 0x000a0000-0x000fffff] usable
20 [Mon Jun 8 20:57:35 2020] e820: last_pfn = 0x3fffe max_arch_pfn = 0x400000000
21 [Mon Jun 8 20:57:35 2020] MTRR default type: write-back
22 [Mon Jun 8 20:57:35 2020] MTRR fixed ranges enabled:
23 [Mon Jun 8 20:57:35 2020] 00000-9FFFF write-back
24 [Mon Jun 8 20:57:35 2020] A0000-BFFFF uncachable
25 [Mon Jun 8 20:57:35 2020] C0000-FFFFF write-protect
26 [Mon Jun 8 20:57:35 2020] MTRR variable ranges enabled:
27 [Mon Jun 8 20:57:35 2020] 0 base 00E0000000 mask FFE0000000 uncachable
28 [Mon Jun 8 20:57:35 2020] 1 disabled
29 [Mon Jun 8 20:57:35 2020] 2 disabled
30 [Mon Jun 8 20:57:35 2020] 3 disabled
31 [Mon Jun 8 20:57:35 2020] 4 disabled
32 [Mon Jun 8 20:57:35 2020] 5 disabled
33 [Mon Jun 8 20:57:35 2020] 6 disabled
34 [Mon Jun 8 20:57:35 2020] 7 disabled
35 [Mon Jun 8 20:57:35 2020] x86 PAT enabled: cpu 0, old 0x70406, new 0x7010600070106
36 [Mon Jun 8 20:57:35 2020] found SMP MP-table at [mem 0x000fda30-0x000fda3f] mapped at [ffff8800000fda30]
37 [Mon Jun 8 20:57:35 2020] Base memory trampoline at [ffff880000099000] 99000 size 24576
38 [Mon Jun 8 20:57:35 2020] BRK [0x01fe9000, 0x01fe9fff] PGTABLE
39 [Mon Jun 8 20:57:35 2020] BRK [0x01fea000, 0x01feafff] PGTABLE
40 [Mon Jun 8 20:57:35 2020] BRK [0x01feb000, 0x01febfff] PGTABLE
41 [Mon Jun 8 20:57:35 2020] BRK [0x01fec000, 0x01fecfff] PGTABLE
42 [Mon Jun 8 20:57:35 2020] RAMDISK: [mem 0x35e5a000-0x36f24fff]
43 [Mon Jun 8 20:57:35 2020] Early table checksum verification disabled
44 [Mon Jun 8 20:57:35 2020] ACPI: RSDP 00000000000fd8b0 00014 (v00 BOCHS )
45 [Mon Jun 8 20:57:35 2020] ACPI: RSDT 000000003fffe470 00034 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001)
46 [Mon Jun 8 20:57:35 2020] ACPI: FACP 000000003fffff80 00074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001)
47 [Mon Jun 8 20:57:35 2020] ACPI: DSDT 000000003fffe4b0 0124A (v01 BXPC BXDSDT 00000001 INTL 20100528)
48 [Mon Jun 8 20:57:35 2020] ACPI: FACS 000000003fffff40 00040
49 [Mon Jun 8 20:57:35 2020] ACPI: SSDT 000000003ffffe90 000AF (v01 BOCHS BXPCSSDT 00000001 BXPC 00000001)
50 [Mon Jun 8 20:57:35 2020] ACPI: APIC 000000003ffffd70 00078 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001)
51 [Mon Jun 8 20:57:35 2020] ACPI: SSDT 000000003ffff700 0066E (v01 BXPC BXSSDTPC 00000001 INTL 20100528)
52 [Mon Jun 8 20:57:35 2020] ACPI: Local APIC address 0xfee00000
53 [Mon Jun 8 20:57:35 2020] No NUMA configuration found
54 [Mon Jun 8 20:57:35 2020] Faking a node at [mem 0x0000000000000000-0x000000003fffdfff]
55 [Mon Jun 8 20:57:35 2020] NODE_DATA(0) allocated [mem 0x3ffd7000-0x3fffdfff]
56 [Mon Jun 8 20:57:35 2020] crashkernel=auto resulted in zero bytes of reserved memory.
57 [Mon Jun 8 20:57:35 2020] kvm-clock: Using msrs 4b564d01 and 4b564d00
58 [Mon Jun 8 20:57:35 2020] kvm-clock: cpu 0, msr 0:3ff87001, primary cpu clock
59 [Mon Jun 8 20:57:35 2020] Zone ranges:
60 [Mon Jun 8 20:57:35 2020] DMA [mem 0x00001000-0x00ffffff]
61 [Mon Jun 8 20:57:35 2020] DMA32 [mem 0x01000000-0xffffffff]
62 [Mon Jun 8 20:57:35 2020] Normal empty
63 [Mon Jun 8 20:57:35 2020] Movable zone start for each node
64 [Mon Jun 8 20:57:35 2020] Early memory node ranges
65 [Mon Jun 8 20:57:35 2020] node 0: [mem 0x00001000-0x0009efff]
66 [Mon Jun 8 20:57:35 2020] node 0: [mem 0x00100000-0x3fffdfff]
67 [Mon Jun 8 20:57:35 2020] Initmem setup node 0 [mem 0x00001000-0x3fffdfff]
68 [Mon Jun 8 20:57:35 2020] On node 0 totalpages: 262044
69 [Mon Jun 8 20:57:35 2020] DMA zone: 64 pages used for memmap
70 [Mon Jun 8 20:57:35 2020] DMA zone: 21 pages reserved
71 [Mon Jun 8 20:57:35 2020] DMA zone: 3998 pages, LIFO batch:0
72 [Mon Jun 8 20:57:35 2020] DMA32 zone: 4032 pages used for memmap
73 [Mon Jun 8 20:57:35 2020] DMA32 zone: 258046 pages, LIFO batch:31
74 [Mon Jun 8 20:57:35 2020] ACPI: PM-Timer IO Port: 0xb008
75 [Mon Jun 8 20:57:35 2020] ACPI: Local APIC address 0xfee00000
76 [Mon Jun 8 20:57:35 2020] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
77 [Mon Jun 8 20:57:35 2020] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
78 [Mon Jun 8 20:57:35 2020] ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0])
79 [Mon Jun 8 20:57:35 2020] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
80 [Mon Jun 8 20:57:35 2020] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
81 [Mon Jun 8 20:57:35 2020] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
82 [Mon Jun 8 20:57:35 2020] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
83 [Mon Jun 8 20:57:35 2020] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
84 [Mon Jun 8 20:57:35 2020] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
85 [Mon Jun 8 20:57:35 2020] ACPI: IRQ0 used by override.
86 [Mon Jun 8 20:57:35 2020] ACPI: IRQ5 used by override.
87 [Mon Jun 8 20:57:35 2020] ACPI: IRQ9 used by override.
88 [Mon Jun 8 20:57:35 2020] ACPI: IRQ10 used by override.
89 [Mon Jun 8 20:57:35 2020] ACPI: IRQ11 used by override.
90 [Mon Jun 8 20:57:35 2020] Using ACPI (MADT) for SMP configuration information
91 [Mon Jun 8 20:57:35 2020] smpboot: Allowing 1 CPUs, 0 hotplug CPUs
92 [Mon Jun 8 20:57:35 2020] PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff]
93 [Mon Jun 8 20:57:35 2020] PM: Registered nosave memory: [mem 0x000a0000-0x000effff]
94 [Mon Jun 8 20:57:35 2020] PM: Registered nosave memory: [mem 0x000f0000-0x000fffff]
95 [Mon Jun 8 20:57:35 2020] e820: [mem 0x40000000-0xfeffbfff] available for PCI devices
96 [Mon Jun 8 20:57:35 2020] Booting paravirtualized kernel on KVM
97 [Mon Jun 8 20:57:35 2020] setup_percpu: NR_CPUS:5120 nr_cpumask_bits:1 nr_cpu_ids:1 nr_node_ids:1
98 [Mon Jun 8 20:57:35 2020] PERCPU: Embedded 33 pages/cpu @ffff88003fc00000 s97048 r8192 d29928 u2097152
99 [Mon Jun 8 20:57:35 2020] pcpu-alloc: s97048 r8192 d29928 u2097152 alloc=1*2097152
100 [Mon Jun 8 20:57:35 2020] pcpu-alloc: [0] 0
101 [Mon Jun 8 20:57:35 2020] Built 1 zonelists in Node order, mobility grouping on. Total pages: 257927
102 [Mon Jun 8 20:57:35 2020] Policy zone: DMA32
103 [Mon Jun 8 20:57:35 2020] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-3.10.0-693.el7.x86_64 root=UUID=2c04c946-7fee-41c2-a99f-f53e2532e4f7 ro crashkernel=auto console=ttyS0 console=tty0 panic=5 net.ifnames=0 biosdevname=0
104 [Mon Jun 8 20:57:35 2020] PID hash table entries: 4096 (order: 3, 32768 bytes)
105 [Mon Jun 8 20:57:35 2020] x86/fpu: xstate_offset[2]: 0240, xstate_sizes[2]: 0100
106 [Mon Jun 8 20:57:35 2020] xsave: enabled xstate_bv 0x7, cntxt size 0x340 using standard form
107 [Mon Jun 8 20:57:35 2020] Memory: 997304k/1048568k available (6886k kernel code, 392k absent, 50872k reserved, 4545k data, 1764k init)
108 [Mon Jun 8 20:57:35 2020] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
109 [Mon Jun 8 20:57:35 2020] Hierarchical RCU implementation.
110 [Mon Jun 8 20:57:35 2020] RCU restricting CPUs from NR_CPUS=5120 to nr_cpu_ids=1.
111 [Mon Jun 8 20:57:35 2020] NR_IRQS:327936 nr_irqs:256 0
112 [Mon Jun 8 20:57:35 2020] Console: colour VGA+ 80x25
113 [Mon Jun 8 20:57:35 2020] console [tty0] enabled
114 [Mon Jun 8 20:57:35 2020] console [ttyS0] enabled
115 [Mon Jun 8 20:57:35 2020] allocated 4194304 bytes of page_cgroup
116 [Mon Jun 8 20:57:35 2020] please try 'cgroup_disable=memory' option if you don't want memory cgroups
117 [Mon Jun 8 20:57:35 2020] tsc: Detected 2297.338 MHz processor
118 [Mon Jun 8 20:57:35 2020] Calibrating delay loop (skipped) preset value.. 4594.67 BogoMIPS (lpj=2297338)
119 [Mon Jun 8 20:57:35 2020] pid_max: default: 32768 minimum: 301
120 [Mon Jun 8 20:57:35 2020] Security Framework initialized
121 [Mon Jun 8 20:57:35 2020] SELinux: Initializing.
122 [Mon Jun 8 20:57:35 2020] SELinux: Starting in permissive mode
123 [Mon Jun 8 20:57:35 2020] Yama: becoming mindful.
124 [Mon Jun 8 20:57:35 2020] Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes)
125 [Mon Jun 8 20:57:35 2020] Inode-cache hash table entries: 65536 (order: 7, 524288 bytes)
126 [Mon Jun 8 20:57:35 2020] Mount-cache hash table entries: 2048 (order: 2, 16384 bytes)
127 [Mon Jun 8 20:57:35 2020] Mountpoint-cache hash table entries: 2048 (order: 2, 16384 bytes)
128 [Mon Jun 8 20:57:35 2020] Initializing cgroup subsys memory
129 [Mon Jun 8 20:57:35 2020] Initializing cgroup subsys devices
130 [Mon Jun 8 20:57:35 2020] Initializing cgroup subsys freezer
131 [Mon Jun 8 20:57:35 2020] Initializing cgroup subsys net_cls
132 [Mon Jun 8 20:57:35 2020] Initializing cgroup subsys blkio
133 [Mon Jun 8 20:57:35 2020] Initializing cgroup subsys perf_event
134 [Mon Jun 8 20:57:35 2020] Initializing cgroup subsys hugetlb
135 [Mon Jun 8 20:57:35 2020] Initializing cgroup subsys pids
136 [Mon Jun 8 20:57:35 2020] Initializing cgroup subsys net_prio
137 [Mon Jun 8 20:57:35 2020] CPU: Physical Processor ID: 0
138 [Mon Jun 8 20:57:35 2020] CPU: Processor Core ID: 0
139 [Mon Jun 8 20:57:35 2020] mce: CPU supports 10 MCE banks
140 [Mon Jun 8 20:57:35 2020] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0
141 [Mon Jun 8 20:57:35 2020] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0
142 [Mon Jun 8 20:57:35 2020] tlb_flushall_shift: 6
143 [Mon Jun 8 20:57:35 2020] Freeing SMP alternatives: 24k freed
144 [Mon Jun 8 20:57:35 2020] ACPI: Core revision 20130517
145 [Mon Jun 8 20:57:35 2020] ACPI: All ACPI Tables successfully acquired
146 [Mon Jun 8 20:57:35 2020] ftrace: allocating 26584 entries in 104 pages
147 [Mon Jun 8 20:57:35 2020] smpboot: Max logical packages: 1
148 [Mon Jun 8 20:57:35 2020] Enabling x2apic
149 [Mon Jun 8 20:57:35 2020] Enabled x2apic
150 [Mon Jun 8 20:57:35 2020] Switched APIC routing to physical x2apic.
151 [Mon Jun 8 20:57:35 2020] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
152 [Mon Jun 8 20:57:35 2020] smpboot: CPU0: Intel(R) Xeon(R) CPU E5-26xx v3 (fam: 06, model: 3f, stepping: 02)
153 [Mon Jun 8 20:57:35 2020] TSC deadline timer enabled
154 [Mon Jun 8 20:57:35 2020] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only.
155 [Mon Jun 8 20:57:35 2020] Brought up 1 CPUs
156 [Mon Jun 8 20:57:35 2020] smpboot: Total of 1 processors activated (4594.67 BogoMIPS)
157 [Mon Jun 8 20:57:35 2020] devtmpfs: initialized
158 [Mon Jun 8 20:57:35 2020] EVM: security.selinux
159 [Mon Jun 8 20:57:35 2020] EVM: security.ima
160 [Mon Jun 8 20:57:35 2020] EVM: security.capability
161 [Mon Jun 8 20:57:35 2020] atomic64 test passed for x86-64 platform with CX8 and with SSE
162 [Mon Jun 8 20:57:35 2020] pinctrl core: initialized pinctrl subsystem
163 [Mon Jun 8 20:57:35 2020] RTC time: 12:57:34, date: 06/08/20
164 [Mon Jun 8 20:57:35 2020] NET: Registered protocol family 16
165 [Mon Jun 8 20:57:35 2020] ACPI: bus type PCI registered
166 [Mon Jun 8 20:57:35 2020] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
167 [Mon Jun 8 20:57:35 2020] PCI: Using configuration type 1 for base access
168 [Mon Jun 8 20:57:35 2020] ACPI: Added _OSI(Module Device)
169 [Mon Jun 8 20:57:35 2020] ACPI: Added _OSI(Processor Device)
170 [Mon Jun 8 20:57:35 2020] ACPI: Added _OSI(3.0 _SCP Extensions)
171 [Mon Jun 8 20:57:35 2020] ACPI: Added _OSI(Processor Aggregator Device)
172 [Mon Jun 8 20:57:35 2020] ACPI: EC: Look up EC in DSDT
173 [Mon Jun 8 20:57:35 2020] ACPI: Interpreter enabled
174 [Mon Jun 8 20:57:35 2020] ACPI: (supports S0 S3 S4 S5)
175 [Mon Jun 8 20:57:35 2020] ACPI: Using IOAPIC for interrupt routing
176 [Mon Jun 8 20:57:35 2020] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
177 [Mon Jun 8 20:57:35 2020] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
178 [Mon Jun 8 20:57:35 2020] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI]
179 [Mon Jun 8 20:57:35 2020] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM
180 [Mon Jun 8 20:57:35 2020] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge.
181 [Mon Jun 8 20:57:35 2020] acpiphp: Slot [3] registered
182 [Mon Jun 8 20:57:35 2020] acpiphp: Slot [4] registered
183 [Mon Jun 8 20:57:35 2020] acpiphp: Slot [5] registered
184 [Mon Jun 8 20:57:35 2020] acpiphp: Slot [6] registered
185 [Mon Jun 8 20:57:35 2020] acpiphp: Slot [7] registered
186 [Mon Jun 8 20:57:35 2020] acpiphp: Slot [8] registered
187 [Mon Jun 8 20:57:35 2020] acpiphp: Slot [9] registered
188 [Mon Jun 8 20:57:35 2020] acpiphp: Slot [10] registered
189 [Mon Jun 8 20:57:35 2020] acpiphp: Slot [11] registered
190 [Mon Jun 8 20:57:35 2020] acpiphp: Slot [12] registered
191 [Mon Jun 8 20:57:35 2020] acpiphp: Slot [13] registered
192 [Mon Jun 8 20:57:35 2020] acpiphp: Slot [14] registered
193 [Mon Jun 8 20:57:35 2020] acpiphp: Slot [15] registered
194 [Mon Jun 8 20:57:35 2020] acpiphp: Slot [16] registered
195 [Mon Jun 8 20:57:35 2020] acpiphp: Slot [17] registered
196 [Mon Jun 8 20:57:35 2020] acpiphp: Slot [18] registered
197 [Mon Jun 8 20:57:35 2020] acpiphp: Slot [19] registered
198 [Mon Jun 8 20:57:35 2020] acpiphp: Slot [20] registered
199 [Mon Jun 8 20:57:35 2020] acpiphp: Slot [21] registered
200 [Mon Jun 8 20:57:35 2020] acpiphp: Slot [22] registered
201 [Mon Jun 8 20:57:35 2020] acpiphp: Slot [23] registered
202 [Mon Jun 8 20:57:35 2020] acpiphp: Slot [24] registered
203 [Mon Jun 8 20:57:35 2020] acpiphp: Slot [25] registered
204 [Mon Jun 8 20:57:35 2020] acpiphp: Slot [26] registered
205 [Mon Jun 8 20:57:35 2020] acpiphp: Slot [27] registered
206 [Mon Jun 8 20:57:35 2020] acpiphp: Slot [28] registered
207 [Mon Jun 8 20:57:35 2020] acpiphp: Slot [29] registered
208 [Mon Jun 8 20:57:35 2020] acpiphp: Slot [30] registered
209 [Mon Jun 8 20:57:35 2020] acpiphp: Slot [31] registered
210 [Mon Jun 8 20:57:35 2020] PCI host bridge to bus 0000:00
211 [Mon Jun 8 20:57:35 2020] pci_bus 0000:00: root bus resource [bus 00-ff]
212 [Mon Jun 8 20:57:35 2020] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window]
213 [Mon Jun 8 20:57:35 2020] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window]
214 [Mon Jun 8 20:57:35 2020] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
215 [Mon Jun 8 20:57:35 2020] pci_bus 0000:00: root bus resource [mem 0x40000000-0xfebfffff window]
216 [Mon Jun 8 20:57:35 2020] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000
217 [Mon Jun 8 20:57:35 2020] pci 0000:00:01.0: [8086:7000] type 00 class 0x060100
218 [Mon Jun 8 20:57:35 2020] pci 0000:00:01.1: [8086:7010] type 00 class 0x010180
219 [Mon Jun 8 20:57:35 2020] pci 0000:00:01.1: reg 0x20: [io 0xc0a0-0xc0af]
220 [Mon Jun 8 20:57:35 2020] pci 0000:00:01.1: legacy IDE quirk: reg 0x10: [io 0x01f0-0x01f7]
221 [Mon Jun 8 20:57:35 2020] pci 0000:00:01.1: legacy IDE quirk: reg 0x14: [io 0x03f6]
222 [Mon Jun 8 20:57:35 2020] pci 0000:00:01.1: legacy IDE quirk: reg 0x18: [io 0x0170-0x0177]
223 [Mon Jun 8 20:57:35 2020] pci 0000:00:01.1: legacy IDE quirk: reg 0x1c: [io 0x0376]
224 [Mon Jun 8 20:57:35 2020] pci 0000:00:01.2: [8086:7020] type 00 class 0x0c0300
225 [Mon Jun 8 20:57:35 2020] pci 0000:00:01.2: reg 0x20: [io 0xc040-0xc05f]
226 [Mon Jun 8 20:57:35 2020] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000
227 [Mon Jun 8 20:57:35 2020] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI
228 [Mon Jun 8 20:57:35 2020] pci 0000:00:01.3: quirk: [io 0xb100-0xb10f] claimed by PIIX4 SMB
229 [Mon Jun 8 20:57:35 2020] pci 0000:00:02.0: [1013:00b8] type 00 class 0x030000
230 [Mon Jun 8 20:57:35 2020] pci 0000:00:02.0: reg 0x10: [mem 0xfc000000-0xfdffffff pref]
231 [Mon Jun 8 20:57:35 2020] pci 0000:00:02.0: reg 0x14: [mem 0xfebf0000-0xfebf0fff]
232 [Mon Jun 8 20:57:35 2020] pci 0000:00:02.0: reg 0x30: [mem 0xfebd0000-0xfebdffff pref]
233 [Mon Jun 8 20:57:35 2020] pci 0000:00:03.0: [1af4:1000] type 00 class 0x020000
234 [Mon Jun 8 20:57:35 2020] pci 0000:00:03.0: reg 0x10: [io 0xc060-0xc07f]
235 [Mon Jun 8 20:57:35 2020] pci 0000:00:03.0: reg 0x14: [mem 0xfebf1000-0xfebf1fff]
236 [Mon Jun 8 20:57:35 2020] pci 0000:00:03.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref]
237 [Mon Jun 8 20:57:35 2020] pci 0000:00:04.0: [1af4:1001] type 00 class 0x010000
238 [Mon Jun 8 20:57:35 2020] pci 0000:00:04.0: reg 0x10: [io 0xc000-0xc03f]
239 [Mon Jun 8 20:57:35 2020] pci 0000:00:04.0: reg 0x14: [mem 0xfebf2000-0xfebf2fff]
240 [Mon Jun 8 20:57:35 2020] pci 0000:00:05.0: [1af4:1002] type 00 class 0x00ff00
241 [Mon Jun 8 20:57:35 2020] pci 0000:00:05.0: reg 0x10: [io 0xc080-0xc09f]
242 [Mon Jun 8 20:57:35 2020] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11)
243 [Mon Jun 8 20:57:35 2020] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11)
244 [Mon Jun 8 20:57:35 2020] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11)
245 [Mon Jun 8 20:57:35 2020] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11)
246 [Mon Jun 8 20:57:35 2020] ACPI: PCI Interrupt Link [LNKS] (IRQs 9) *0, disabled.
247 [Mon Jun 8 20:57:35 2020] ACPI: Enabled 16 GPEs in block 00 to 0F
248 [Mon Jun 8 20:57:35 2020] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none
249 [Mon Jun 8 20:57:35 2020] vgaarb: loaded
250 [Mon Jun 8 20:57:35 2020] vgaarb: bridge control possible 0000:00:02.0
251 [Mon Jun 8 20:57:35 2020] SCSI subsystem initialized
252 [Mon Jun 8 20:57:35 2020] ACPI: bus type USB registered
253 [Mon Jun 8 20:57:35 2020] usbcore: registered new interface driver usbfs
254 [Mon Jun 8 20:57:35 2020] usbcore: registered new interface driver hub
255 [Mon Jun 8 20:57:35 2020] usbcore: registered new device driver usb
256 [Mon Jun 8 20:57:35 2020] PCI: Using ACPI for IRQ routing
257 [Mon Jun 8 20:57:35 2020] PCI: pci_cache_line_size set to 64 bytes
258 [Mon Jun 8 20:57:35 2020] e820: reserve RAM buffer [mem 0x0009fc00-0x0009ffff]
259 [Mon Jun 8 20:57:35 2020] e820: reserve RAM buffer [mem 0x3fffe000-0x3fffffff]
260 [Mon Jun 8 20:57:35 2020] NetLabel: Initializing
261 [Mon Jun 8 20:57:35 2020] NetLabel: domain hash size = 128
262 [Mon Jun 8 20:57:35 2020] NetLabel: protocols = UNLABELED CIPSOv4
263 [Mon Jun 8 20:57:35 2020] NetLabel: unlabeled traffic allowed by default
264 [Mon Jun 8 20:57:35 2020] amd_nb: Cannot enumerate AMD northbridges
265 [Mon Jun 8 20:57:35 2020] Switched to clocksource kvm-clock
266 [Mon Jun 8 20:57:35 2020] pnp: PnP ACPI init
267 [Mon Jun 8 20:57:35 2020] ACPI: bus type PNP registered
268 [Mon Jun 8 20:57:35 2020] pnp 00:00: Plug and Play ACPI device, IDs PNP0b00 (active)
269 [Mon Jun 8 20:57:35 2020] pnp 00:01: Plug and Play ACPI device, IDs PNP0303 (active)
270 [Mon Jun 8 20:57:35 2020] pnp 00:02: Plug and Play ACPI device, IDs PNP0f13 (active)
271 [Mon Jun 8 20:57:35 2020] pnp 00:03: [dma 2]
272 [Mon Jun 8 20:57:35 2020] pnp 00:03: Plug and Play ACPI device, IDs PNP0700 (active)
273 [Mon Jun 8 20:57:35 2020] pnp 00:04: Plug and Play ACPI device, IDs PNP0501 (active)
274 [Mon Jun 8 20:57:35 2020] pnp: PnP ACPI: found 5 devices
275 [Mon Jun 8 20:57:35 2020] ACPI: bus type PNP unregistered
276 [Mon Jun 8 20:57:35 2020] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window]
277 [Mon Jun 8 20:57:35 2020] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window]
278 [Mon Jun 8 20:57:35 2020] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]
279 [Mon Jun 8 20:57:35 2020] pci_bus 0000:00: resource 7 [mem 0x40000000-0xfebfffff window]
280 [Mon Jun 8 20:57:35 2020] NET: Registered protocol family 2
281 [Mon Jun 8 20:57:35 2020] TCP established hash table entries: 8192 (order: 4, 65536 bytes)
282 [Mon Jun 8 20:57:35 2020] TCP bind hash table entries: 8192 (order: 5, 131072 bytes)
283 [Mon Jun 8 20:57:35 2020] TCP: Hash tables configured (established 8192 bind 8192)
284 [Mon Jun 8 20:57:35 2020] TCP: reno registered
285 [Mon Jun 8 20:57:35 2020] UDP hash table entries: 512 (order: 2, 16384 bytes)
286 [Mon Jun 8 20:57:35 2020] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
287 [Mon Jun 8 20:57:35 2020] NET: Registered protocol family 1
288 [Mon Jun 8 20:57:35 2020] pci 0000:00:00.0: Limiting direct PCI/PCI transfers
289 [Mon Jun 8 20:57:35 2020] pci 0000:00:01.0: PIIX3: Enabling Passive Release
290 [Mon Jun 8 20:57:35 2020] pci 0000:00:01.0: Activating ISA DMA hang workarounds
291 [Mon Jun 8 20:57:35 2020] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 11
292 [Mon Jun 8 20:57:35 2020] pci 0000:00:02.0: Boot video device
293 [Mon Jun 8 20:57:35 2020] PCI: CLS 0 bytes, default 64
294 [Mon Jun 8 20:57:35 2020] Unpacking initramfs...
295 [Mon Jun 8 20:57:35 2020] Freeing initrd memory: 17196k freed
296 [Mon Jun 8 20:57:35 2020] sha1_ssse3: Using AVX optimized SHA-1 implementation
297 [Mon Jun 8 20:57:35 2020] sha256_ssse3: Using AVX2 optimized SHA-256 implementation
298 [Mon Jun 8 20:57:35 2020] futex hash table entries: 256 (order: 2, 16384 bytes)
299 [Mon Jun 8 20:57:35 2020] Initialise system trusted keyring
300 [Mon Jun 8 20:57:35 2020] audit: initializing netlink socket (disabled)
301 [Mon Jun 8 20:57:35 2020] type=2000 audit(1591621056.669:1): initialized
302 [Mon Jun 8 20:57:35 2020] HugeTLB registered 2 MB page size, pre-allocated 0 pages
303 [Mon Jun 8 20:57:35 2020] zpool: loaded
304 [Mon Jun 8 20:57:35 2020] zbud: loaded
305 [Mon Jun 8 20:57:35 2020] VFS: Disk quotas dquot_6.5.2
306 [Mon Jun 8 20:57:35 2020] Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
307 [Mon Jun 8 20:57:35 2020] msgmni has been set to 1981
308 [Mon Jun 8 20:57:35 2020] Key type big_key registered
309 [Mon Jun 8 20:57:35 2020] SELinux: Registering netfilter hooks
310 [Mon Jun 8 20:57:35 2020] NET: Registered protocol family 38
311 [Mon Jun 8 20:57:35 2020] Key type asymmetric registered
312 [Mon Jun 8 20:57:35 2020] Asymmetric key parser 'x509' registered
313 [Mon Jun 8 20:57:35 2020] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250)
314 [Mon Jun 8 20:57:35 2020] io scheduler noop registered
315 [Mon Jun 8 20:57:35 2020] io scheduler deadline registered (default)
316 [Mon Jun 8 20:57:35 2020] io scheduler cfq registered
317 [Mon Jun 8 20:57:35 2020] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
318 [Mon Jun 8 20:57:35 2020] pciehp: PCI Express Hot Plug Controller Driver version: 0.4
319 [Mon Jun 8 20:57:35 2020] intel_idle: does not run on family 6 model 63
320 [Mon Jun 8 20:57:35 2020] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
321 [Mon Jun 8 20:57:35 2020] ACPI: Power Button [PWRF]
322 [Mon Jun 8 20:57:35 2020] GHES: HEST is not enabled!
323 [Mon Jun 8 20:57:35 2020] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
324 [Mon Jun 8 20:57:35 2020] 00:04: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
325 [Mon Jun 8 20:57:35 2020] Non-volatile memory driver v1.3
326 [Mon Jun 8 20:57:35 2020] Linux agpgart interface v0.103
327 [Mon Jun 8 20:57:35 2020] crash memory driver: version 1.1
328 [Mon Jun 8 20:57:35 2020] rdac: device handler registered
329 [Mon Jun 8 20:57:35 2020] hp_sw: device handler registered
330 [Mon Jun 8 20:57:35 2020] emc: device handler registered
331 [Mon Jun 8 20:57:35 2020] alua: device handler registered
332 [Mon Jun 8 20:57:35 2020] libphy: Fixed MDIO Bus: probed
333 [Mon Jun 8 20:57:35 2020] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
334 [Mon Jun 8 20:57:35 2020] ehci-pci: EHCI PCI platform driver
335 [Mon Jun 8 20:57:35 2020] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
336 [Mon Jun 8 20:57:35 2020] ohci-pci: OHCI PCI platform driver
337 [Mon Jun 8 20:57:35 2020] uhci_hcd: USB Universal Host Controller Interface driver
338 [Mon Jun 8 20:57:35 2020] uhci_hcd 0000:00:01.2: UHCI Host Controller
339 [Mon Jun 8 20:57:35 2020] uhci_hcd 0000:00:01.2: new USB bus registered, assigned bus number 1
340 [Mon Jun 8 20:57:35 2020] uhci_hcd 0000:00:01.2: detected 2 ports
341 [Mon Jun 8 20:57:35 2020] uhci_hcd 0000:00:01.2: irq 11, io base 0x0000c040
342 [Mon Jun 8 20:57:35 2020] usb usb1: New USB device found, idVendor=1d6b, idProduct=0001
343 [Mon Jun 8 20:57:35 2020] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
344 [Mon Jun 8 20:57:35 2020] usb usb1: Product: UHCI Host Controller
345 [Mon Jun 8 20:57:35 2020] usb usb1: Manufacturer: Linux 3.10.0-693.el7.x86_64 uhci_hcd
346 [Mon Jun 8 20:57:35 2020] usb usb1: SerialNumber: 0000:00:01.2
347 [Mon Jun 8 20:57:35 2020] hub 1-0:1.0: USB hub found
348 [Mon Jun 8 20:57:35 2020] hub 1-0:1.0: 2 ports detected
349 [Mon Jun 8 20:57:35 2020] usbcore: registered new interface driver usbserial
350 [Mon Jun 8 20:57:35 2020] usbcore: registered new interface driver usbserial_generic
351 [Mon Jun 8 20:57:35 2020] usbserial: USB Serial support registered for generic
352 [Mon Jun 8 20:57:35 2020] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12
353 [Mon Jun 8 20:57:35 2020] serio: i8042 KBD port at 0x60,0x64 irq 1
354 [Mon Jun 8 20:57:35 2020] serio: i8042 AUX port at 0x60,0x64 irq 12
355 [Mon Jun 8 20:57:35 2020] mousedev: PS/2 mouse device common for all mice
356 [Mon Jun 8 20:57:35 2020] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input1
357 [Mon Jun 8 20:57:35 2020] rtc_cmos 00:00: RTC can wake from S4
358 [Mon Jun 8 20:57:35 2020] input: VirtualPS/2 VMware VMMouse as /devices/platform/i8042/serio1/input/input2
359 [Mon Jun 8 20:57:35 2020] rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0
360 [Mon Jun 8 20:57:35 2020] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram
361 [Mon Jun 8 20:57:35 2020] input: VirtualPS/2 VMware VMMouse as /devices/platform/i8042/serio1/input/input3
362 [Mon Jun 8 20:57:35 2020] cpuidle: using governor menu
363 [Mon Jun 8 20:57:35 2020] hidraw: raw HID events driver (C) Jiri Kosina
364 [Mon Jun 8 20:57:35 2020] usbcore: registered new interface driver usbhid
365 [Mon Jun 8 20:57:35 2020] usbhid: USB HID core driver
366 [Mon Jun 8 20:57:35 2020] drop_monitor: Initializing network drop monitor service
367 [Mon Jun 8 20:57:35 2020] TCP: cubic registered
368 [Mon Jun 8 20:57:35 2020] Initializing XFRM netlink socket
369 [Mon Jun 8 20:57:35 2020] NET: Registered protocol family 10
370 [Mon Jun 8 20:57:35 2020] NET: Registered protocol family 17
371 [Mon Jun 8 20:57:35 2020] microcode: CPU0 sig=0x306f2, pf=0x1, revision=0x1
372 [Mon Jun 8 20:57:35 2020] microcode: Microcode Update Driver: v2.01 <tigran@aivazian.fsnet.co.uk>, Peter Oruba
373 [Mon Jun 8 20:57:35 2020] PM: Hibernation image not present or could not be loaded.
374 [Mon Jun 8 20:57:35 2020] Loading compiled-in X.509 certificates
375 [Mon Jun 8 20:57:35 2020] Loaded X.509 cert 'CentOS Linux kpatch signing key: ea0413152cde1d98ebdca3fe6f0230904c9ef717'
376 [Mon Jun 8 20:57:35 2020] Loaded X.509 cert 'CentOS Linux Driver update signing key: 7f421ee0ab69461574bb358861dbe77762a4201b'
377 [Mon Jun 8 20:57:35 2020] Loaded X.509 cert 'CentOS Linux kernel signing key: da187dca7dbe53ab05bd13bd0c4e21f422b6a49c'
378 [Mon Jun 8 20:57:35 2020] registered taskstats version 1
379 [Mon Jun 8 20:57:35 2020] Key type trusted registered
380 [Mon Jun 8 20:57:35 2020] Key type encrypted registered
381 [Mon Jun 8 20:57:35 2020] IMA: No TPM chip found, activating TPM-bypass!
382 [Mon Jun 8 20:57:35 2020] Magic number: 8:315:986
383 [Mon Jun 8 20:57:35 2020] rtc_cmos 00:00: setting system clock to 2020-06-08 12:57:35 UTC (1591621055)
384 [Mon Jun 8 20:57:35 2020] Freeing unused kernel memory: 1764k freed
385 [Mon Jun 8 20:57:35 2020] random: systemd: uninitialized urandom read (16 bytes read)
386 [Mon Jun 8 20:57:35 2020] random: systemd: uninitialized urandom read (16 bytes read)
387 [Mon Jun 8 20:57:35 2020] random: systemd: uninitialized urandom read (16 bytes read)
388 [Mon Jun 8 20:57:35 2020] random: systemd: uninitialized urandom read (16 bytes read)
389 [Mon Jun 8 20:57:35 2020] random: systemd: uninitialized urandom read (16 bytes read)
390 [Mon Jun 8 20:57:35 2020] random: systemd: uninitialized urandom read (16 bytes read)
391 [Mon Jun 8 20:57:35 2020] random: systemd: uninitialized urandom read (16 bytes read)
392 [Mon Jun 8 20:57:35 2020] random: systemd: uninitialized urandom read (16 bytes read)
393 [Mon Jun 8 20:57:35 2020] random: systemd: uninitialized urandom read (16 bytes read)
394 [Mon Jun 8 20:57:35 2020] random: systemd: uninitialized urandom read (16 bytes read)
395 [Mon Jun 8 20:57:36 2020] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 10
396 [Mon Jun 8 20:57:36 2020] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver
397 [Mon Jun 8 20:57:36 2020] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver
398 [Mon Jun 8 20:57:36 2020] ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 10
399 [Mon Jun 8 20:57:36 2020] virtio-pci 0000:00:05.0: virtio_pci: leaving for legacy driver
400 [Mon Jun 8 20:57:36 2020] FDC 0 is a S82078B
401 [Mon Jun 8 20:57:36 2020] virtio-pci 0000:00:04.0: irq 24 for MSI/MSI-X
402 [Mon Jun 8 20:57:36 2020] virtio-pci 0000:00:04.0: irq 25 for MSI/MSI-X
403 [Mon Jun 8 20:57:36 2020] vda: vda1
404 [Mon Jun 8 20:57:36 2020] virtio-pci 0000:00:03.0: irq 26 for MSI/MSI-X
405 [Mon Jun 8 20:57:36 2020] virtio-pci 0000:00:03.0: irq 27 for MSI/MSI-X
406 [Mon Jun 8 20:57:36 2020] virtio-pci 0000:00:03.0: irq 28 for MSI/MSI-X
407 [Mon Jun 8 20:57:36 2020] libata version 3.00 loaded.
408 [Mon Jun 8 20:57:36 2020] ata_piix 0000:00:01.1: version 2.13
409 [Mon Jun 8 20:57:36 2020] scsi host0: ata_piix
410 [Mon Jun 8 20:57:36 2020] scsi host1: ata_piix
411 [Mon Jun 8 20:57:36 2020] ata1: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc0a0 irq 14
412 [Mon Jun 8 20:57:36 2020] ata2: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc0a8 irq 15
413 [Mon Jun 8 20:57:36 2020] [drm] Initialized
414 [Mon Jun 8 20:57:36 2020] [TTM] Zone kernel: Available graphics memory: 508144 kiB
415 [Mon Jun 8 20:57:36 2020] [TTM] Initializing pool allocator
416 [Mon Jun 8 20:57:36 2020] [TTM] Initializing DMA pool allocator
417 [Mon Jun 8 20:57:36 2020] [drm] fb mappable at 0xFC000000
418 [Mon Jun 8 20:57:36 2020] [drm] vram aper at 0xFC000000
419 [Mon Jun 8 20:57:36 2020] [drm] size 33554432
420 [Mon Jun 8 20:57:36 2020] [drm] fb depth is 24
421 [Mon Jun 8 20:57:36 2020] [drm] pitch is 3072
422 [Mon Jun 8 20:57:36 2020] fbcon: cirrusdrmfb (fb0) is primary device
423 [Mon Jun 8 20:57:36 2020] Console: switching to colour frame buffer device 128x48
424 [Mon Jun 8 20:57:36 2020] tsc: Refined TSC clocksource calibration: 2297.381 MHz
425 [Mon Jun 8 20:57:36 2020] cirrus 0000:00:02.0: fb0: cirrusdrmfb frame buffer device
426 [Mon Jun 8 20:57:36 2020] [drm] Initialized cirrus 1.0.0 20110418 for 0000:00:02.0 on minor 0
427 [Mon Jun 8 20:57:36 2020] ata1.01: ATAPI: QEMU DVD-ROM, 1.2.0, max UDMA/100
428 [Mon Jun 8 20:57:36 2020] ata1.01: configured for MWDMA2
429 [Mon Jun 8 20:57:36 2020] scsi 0:0:1:0: CD-ROM QEMU QEMU DVD-ROM 1.2. PQ: 0 ANSI: 5
430 [Mon Jun 8 20:57:36 2020] sr 0:0:1:0: [sr0] scsi3-mmc drive: 4x/4x cd/rw xa/form2 tray
431 [Mon Jun 8 20:57:36 2020] cdrom: Uniform CD-ROM driver Revision: 3.20
432 [Mon Jun 8 20:57:36 2020] sr 0:0:1:0: Attached scsi CD-ROM sr0
433 [Mon Jun 8 20:57:36 2020] random: fast init done
434 [Mon Jun 8 20:57:37 2020] EXT4-fs (vda1): mounting ext3 file system using the ext4 subsystem
435 [Mon Jun 8 20:57:37 2020] EXT4-fs (vda1): mounted filesystem with ordered data mode. Opts: (null)
436 [Mon Jun 8 20:57:38 2020] SELinux: Disabled at runtime.
437 [Mon Jun 8 20:57:38 2020] SELinux: Unregistering netfilter hooks
438 [Mon Jun 8 20:57:38 2020] type=1404 audit(1591621058.104:2): selinux=0 auid=4294967295 ses=4294967295
439 [Mon Jun 8 20:57:38 2020] ip_tables: (C) 2000-2006 Netfilter Core Team
440 [Mon Jun 8 20:57:38 2020] EXT4-fs (vda1): re-mounted. Opts: acl,user_xattr
441 [Mon Jun 8 20:57:38 2020] RPC: Registered named UNIX socket transport module.
442 [Mon Jun 8 20:57:38 2020] RPC: Registered udp transport module.
443 [Mon Jun 8 20:57:38 2020] RPC: Registered tcp transport module.
444 [Mon Jun 8 20:57:38 2020] RPC: Registered tcp NFSv4.1 backchannel transport module.
445 [Mon Jun 8 20:57:38 2020] piix4_smbus 0000:00:01.3: SMBus Host Controller at 0xb100, revision 0
446 [Mon Jun 8 20:57:38 2020] input: PC Speaker as /devices/platform/pcspkr/input/input4
447 [Mon Jun 8 20:57:38 2020] Installing knfsd (copyright (C) 1996 okir@monad.swb.de).
448 [Mon Jun 8 20:57:38 2020] sr 0:0:1:0: Attached scsi generic sg0 type 5
449 [Mon Jun 8 20:57:39 2020] ppdev: user-space parallel port driver
450 [Mon Jun 8 20:57:39 2020] AES CTR mode by8 optimization enabled
451 [Mon Jun 8 20:57:39 2020] alg: No test for __gcm-aes-aesni (__driver-gcm-aes-aesni)
452 [Mon Jun 8 20:57:39 2020] alg: No test for crc32 (crc32-pclmul)
453 [Mon Jun 8 20:57:39 2020] EDAC MC: Ver: 3.0.0
454 [Mon Jun 8 20:57:39 2020] EDAC sbridge: Seeking for: PCI ID 8086:2fa0
455 [Mon Jun 8 20:57:39 2020] EDAC sbridge: Ver: 1.1.1
456 [Mon Jun 8 20:57:39 2020] type=1305 audit(1591621059.064:3): audit_pid=458 old=0 auid=4294967295 ses=4294967295 res=1
457 [Mon Jun 8 20:57:41 2020] ISO 9660 Extensions: Microsoft Joliet Level 3
458 [Mon Jun 8 20:57:41 2020] ISO 9660 Extensions: RRIP_1991A
459 [Mon Jun 8 20:57:41 2020] loop: module loaded
460 [Mon Jun 8 20:57:41 2020] ISO 9660 Extensions: Microsoft Joliet Level 3
461 [Mon Jun 8 20:57:41 2020] ISO 9660 Extensions: RRIP_1991A
462 [Mon Jun 8 20:57:46 2020] random: crng init done
463 [Mon Jun 8 20:57:47 2020] FS-Cache: Loaded
464 [Mon Jun 8 20:57:47 2020] FS-Cache: Netfs 'nfs' registered for caching
465 [Mon Jun 8 20:57:47 2020] Key type dns_resolver registered
466 [Mon Jun 8 20:57:47 2020] NFS: Registering the id_resolver key type
467 [Mon Jun 8 20:57:47 2020] Key type id_resolver registered
468 [Mon Jun 8 20:57:47 2020] Key type id_legacy registered
469 [Mon Jun 8 20:57:50 2020] ISO 9660 Extensions: Microsoft Joliet Level 3
470 [Mon Jun 8 20:57:50 2020] ISO 9660 Extensions: RRIP_1991A
附件：dmesg OOM
[Fri May 7 18:52:02 2021] [ 490] 998 490 2145 38 10 0 0 lsmd
[Fri May 7 18:52:02 2021] YDService invoked oom-killer: gfp_mask=0x201da, order=0, oom_score_adj=0
[Fri May 7 18:52:02 2021] YDService cpuset=/ mems_allowed=0
[Fri May 7 18:52:02 2021] CPU: 0 PID: 9698 Comm: YDService Not tainted 3.10.0-693.el7.x86_64 #1
[Fri May 7 18:52:02 2021] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[Fri May 7 18:52:02 2021] ffff8800038b8fd0 000000004b7a070e ffff8800360a7920 ffffffff816a3d91
[Fri May 7 18:52:02 2021] ffff8800360a79b0 ffffffff8169f186 ffffffff810e939c ffff88003bdd6440
[Fri May 7 18:52:02 2021] ffff88003bdd6458 0000000000000206 0000000000000206 ffff8800360a79a0
[Fri May 7 18:52:02 2021] Call Trace:
[Fri May 7 18:52:02 2021] [<ffffffff816a3d91>] dump_stack+0x19/0x1b
[Fri May 7 18:52:02 2021] [<ffffffff8169f186>] dump_header+0x90/0x229
[Fri May 7 18:52:02 2021] [<ffffffff810e939c>] ? ktime_get_ts64+0x4c/0xf0
[Fri May 7 18:52:02 2021] [<ffffffff8113d36f>] ? delayacct_end+0x8f/0xb0
[Fri May 7 18:52:02 2021] [<ffffffffc025869a>] ? virtballoon_oom_notify+0x2a/0x70 [virtio_balloon]
[Fri May 7 18:52:02 2021] [<ffffffff81186394>] oom_kill_process+0x254/0x3d0
[Fri May 7 18:52:02 2021] [<ffffffff81185e3d>] ? oom_unkillable_task+0xcd/0x120
[Fri May 7 18:52:02 2021] [<ffffffff81185ee6>] ? find_lock_task_mm+0x56/0xc0
[Fri May 7 18:52:02 2021] [<ffffffff81186bd6>] out_of_memory+0x4b6/0x4f0
[Fri May 7 18:52:02 2021] [<ffffffff8169fc8a>] __alloc_pages_slowpath+0x5d6/0x724
[Fri May 7 18:52:02 2021] [<ffffffff8118cd85>] __alloc_pages_nodemask+0x405/0x420
[Fri May 7 18:52:02 2021] [<ffffffff811d1108>] alloc_pages_current+0x98/0x110
[Fri May 7 18:52:02 2021] [<ffffffff81182917>] __page_cache_alloc+0x97/0xb0
[Fri May 7 18:52:02 2021] [<ffffffff81184eb0>] filemap_fault+0x170/0x410
[Fri May 7 18:52:02 2021] [<ffffffffc01bc156>] ext4_filemap_fault+0x36/0x50 [ext4]
[Fri May 7 18:52:02 2021] [<ffffffff811ad162>] __do_fault+0x52/0xe0
[Fri May 7 18:52:02 2021] [<ffffffff811ad60b>] do_read_fault.isra.44+0x4b/0x130
[Fri May 7 18:52:02 2021] [<ffffffff811b1f11>] handle_mm_fault+0x691/0xfa0
[Fri May 7 18:52:02 2021] [<ffffffff8120019d>] ? do_sync_read+0x8d/0xd0
[Fri May 7 18:52:02 2021] [<ffffffff816affb4>] __do_page_fault+0x154/0x450
[Fri May 7 18:52:02 2021] [<ffffffff816b02e5>] do_page_fault+0x35/0x90
[Fri May 7 18:52:02 2021] [<ffffffff816ac508>] page_fault+0x28/0x30
[Fri May 7 18:52:02 2021] Mem-Info:
[Fri May 7 18:52:02 2021] active_anon:207723 inactive_anon:72 isolated_anon:0
[Fri May 7 18:52:02 2021] lowmem_reserve[]: 0 975 975 975
[Fri May 7 18:52:02 2021] lowmem_reserve[]: 0 0 0 0
[Fri May 7 18:52:02 2021] Node 0 DMA: 12*4kB (UE) 21*8kB (UE) 14*16kB (UEM) 10*32kB (UE) 6*64kB (UEM) 3*128kB (U) 2*256kB (UE) 1*512kB (M) 2*1024kB (EM) 0*2048kB 0*4096kB = 4600kB
[Fri May 7 18:52:02 2021] Node 0 DMA32: 332*4kB (UEM) 465*8kB (UE) 503*16kB (UEM) 303*32kB (UEM) 194*64kB (UEM) 37*128kB (UE) 11*256kB (UEM) 3*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 44296kB
[Fri May 7 18:52:02 2021] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[Fri May 7 18:52:02 2021] 9248 total pagecache pages
[Fri May 7 18:52:02 2021] 0 pages in swap cache
[Fri May 7 18:52:02 2021] Swap cache stats: add 0, delete 0, find 0/0
[Fri May 7 18:52:02 2021] Free swap = 0kB
[Fri May 7 18:52:02 2021] Total swap = 0kB
[Fri May 7 18:52:02 2021] 262044 pages RAM
[Fri May 7 18:52:02 2021] 0 pages HighMem/MovableOnly
[Fri May 7 18:52:02 2021] 7972 pages reserved
[Fri May 7 18:52:02 2021] [ pid ] uid tgid total_vm rss nr_ptes swapents oom_score_adj name
[Fri May 7 18:52:02 2021] [ 337] 0 337 25702 103 55 0 0 systemd-journal
[Fri May 7 18:52:02 2021] [ 360] 0 360 29724 84 26 0 0 lvmetad
[Fri May 7 18:52:02 2021] [ 364] 0 364 11045 208 23 0 -1000 systemd-udevd
[Fri May 7 18:52:02 2021] [ 458] 0 458 13875 115 26 0 -1000 auditd
[Fri May 7 18:52:02 2021] [ 483] 0 483 319847 1088 363 0 0 rsyslogd
[Fri May 7 18:52:02 2021] [ 486] 81 486 6669 142 20 0 -900 dbus-daemon
[Fri May 7 18:52:02 2021] [ 490] 998 490 2145 38 10 0 0 lsmd
[Fri May 7 18:52:02 2021] [ 492] 999 492 134097 1937 59 0 0 polkitd
[Fri May 7 18:52:02 2021] [ 494] 0 494 6139 165 17 0 0 systemd-logind
[Fri May 7 18:52:02 2021] [ 496] 0 496 1097 34 8 0 0 acpid
[Fri May 7 18:52:02 2021] [ 498] 38 498 11814 178 29 0 0 ntpd
[Fri May 7 18:52:02 2021] [ 501] 0 501 48772 118 35 0 0 gssproxy
[Fri May 7 18:52:02 2021] [ 835] 0 835 108891 2866 43 0 0 filebeat
[Fri May 7 18:52:02 2021] [ 841] 0 841 26511 244 54 0 -1000 sshd
[Fri May 7 18:52:02 2021] [ 843] 0 843 141134 3200 95 0 0 tuned
[Fri May 7 18:52:02 2021] [ 860] 994 860 21217 211 41 0 0 zabbix_agentd
[Fri May 7 18:52:02 2021] [ 862] 994 862 21217 245 41 0 0 zabbix_agentd
[Fri May 7 18:52:02 2021] [ 863] 994 863 21248 262 42 0 0 zabbix_agentd
[Fri May 7 18:52:02 2021] [ 864] 994 864 21248 262 42 0 0 zabbix_agentd
[Fri May 7 18:52:02 2021] [ 865] 994 865 21248 262 42 0 0 zabbix_agentd
[Fri May 7 18:52:02 2021] [ 866] 994 866 21250 243 42 0 0 zabbix_agentd
[Fri May 7 18:52:02 2021] [ 910] 0 910 6476 53 18 0 0 atd
[Fri May 7 18:52:02 2021] [ 915] 0 915 80964 228 42 0 0 bareos-fd
[Fri May 7 18:52:02 2021] [ 922] 0 922 27524 34 10 0 0 agetty
[Fri May 7 18:52:02 2021] [ 923] 0 923 27524 33 11 0 0 agetty
[Fri May 7 18:52:02 2021] [ 6189] 0 6189 31580 168 20 0 0 crond
[Fri May 7 18:52:02 2021] [29160] 0 29160 24373 112 18 0 0 sgagent
[Fri May 7 18:52:02 2021] [29204] 0 29204 39558 2310 32 0 0 barad_agent
[Fri May 7 18:52:02 2021] [29210] 0 29210 40080 2399 33 0 0 barad_agent
[Fri May 7 18:52:02 2021] [29211] 0 29211 186140 3005 50 0 0 barad_agent
[Fri May 7 18:52:02 2021] [ 3967] 0 3967 28712 45 13 0 0 rsync
[Fri May 7 18:52:02 2021] [ 9256] 0 9256 226424 1074 33 0 0 YDLive
[Fri May 7 18:52:02 2021] [11833] 1001 11833 32521 176 18 0 0 screen
[Fri May 7 18:52:02 2021] [11834] 1001 11834 29217 442 14 0 0 bash
[Fri May 7 18:52:02 2021] [10474] 0 10474 55524 530 113 0 0 httpd
[Fri May 7 18:52:02 2021] [23512] 0 23512 36959 321 73 0 0 sshd
[Fri May 7 18:52:02 2021] [23514] 1001 23514 36959 327 72 0 0 sshd
[Fri May 7 18:52:02 2021] [23515] 1001 23515 12790 147 29 0 0 sftp-server
[Fri May 7 18:52:02 2021] [ 9658] 0 9658 251136 11510 85 0 0 YDService
[Fri May 7 18:52:02 2021] [ 9680] 0 9680 160526 2409 36 0 0 YDEdr
[Fri May 7 18:52:02 2021] [30901] 48 30901 56045 480 112 0 0 httpd
[Fri May 7 18:52:02 2021] [30902] 48 30902 56045 480 112 0 0 httpd
[Fri May 7 18:52:02 2021] [30903] 48 30903 56045 480 112 0 0 httpd
[Fri May 7 18:52:02 2021] [30904] 48 30904 56045 480 112 0 0 httpd
[Fri May 7 18:52:02 2021] [30905] 48 30905 56045 480 112 0 0 httpd
[Fri May 7 18:52:02 2021] [28990] 0 28990 36959 333 74 0 0 sshd
[Fri May 7 18:52:02 2021] [28995] 0 28995 29328 550 14 0 0 bash
[Fri May 7 18:52:02 2021] [ 8301] 1001 8301 58789 5432 67 0 0 perl
[Fri May 7 18:52:02 2021] [13155] 0 13155 36959 340 74 0 0 sshd
[Fri May 7 18:52:02 2021] [13158] 0 13158 29257 462 14 0 0 bash
[Fri May 7 18:52:02 2021] [15255] 0 15255 36959 322 76 0 0 sshd
[Fri May 7 18:52:02 2021] [15258] 0 15258 29232 458 13 0 0 bash
[Fri May 7 18:52:02 2021] [15276] 0 15276 85387 495 67 0 -900 abrt-dbus
[Fri May 7 18:52:02 2021] [15318] 0 15318 202624 165420 350 0 0 vim
[Fri May 7 18:52:02 2021] [15477] 0 15477 10269 129 18 0 0 YDService
[Fri May 7 18:52:02 2021] [15486] 0 15486 28321 51 11 0 0 trystart.sh
[Fri May 7 18:52:02 2021] [15502] 0 15502 28321 55 11 0 0 trystart.sh
[Fri May 7 18:52:02 2021] [15503] 0 15503 7411 49 17 0 0 ps
[Fri May 7 18:52:02 2021] [15504] 0 15504 28204 40 12 0 0 grep
[Fri May 7 18:52:02 2021] [15505] 0 15505 28204 39 11 0 0 grep
[Fri May 7 18:52:02 2021] [15506] 0 15506 27016 31 10 0 0 wc
[Fri May 7 18:52:02 2021] [15509] 0 15509 2365 66 8 0 0 sh
[Fri May 7 18:52:02 2021] Out of memory: Kill process 15318 (vim) score 632 or sacrifice child
[Fri May 7 18:52:02 2021] Killed process 15318 (vim) total-vm:810496kB, anon-rss:661536kB, file-rss:144kB, shmem-rss:0kB
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