Centos 7.6 Crash suddenly

[einali]

description:
i have docker with 4 running container on it
i installed redis recently on this server

i have no idea why this happens.


my os version:
------------------------------
cat /etc/*release*
CentOS Linux release 7.6.1810 (Core)
Derived from Red Hat Enterprise Linux 7.6 (Source)
NAME="CentOS Linux"
VERSION="7 (Core)"
ID="centos"
ID_LIKE="rhel fedora"
VERSION_ID="7"
PRETTY_NAME="CentOS Linux 7 (Core)"
ANSI_COLOR="0;31"
CPE_NAME="cpe:/o:centos:centos:7"
HOME_URL="https://www.centos.org/"
BUG_REPORT_URL="https://bugs.centos.org/"

CENTOS_MANTISBT_PROJECT="CentOS-7"
CENTOS_MANTISBT_PROJECT_VERSION="7"
REDHAT_SUPPORT_PRODUCT="centos"
REDHAT_SUPPORT_PRODUCT_VERSION="7"

CentOS Linux release 7.6.1810 (Core)
CentOS Linux release 7.6.1810 (Core)
cpe:/o:centos:centos:7




tail /var/log/messages
----------------------------
Jan 23 18:31:57 server journal: Runtime journal is using 8.0M (max allowed 1.5G, trying to leave 2.3G free of 15.5G available → current limit 1.5G).
Jan 23 18:31:57 server kernel: Initializing cgroup subsys cpuset
Jan 23 18:31:57 server kernel: Initializing cgroup subsys cpu
Jan 23 18:31:57 server kernel: Initializing cgroup subsys cpuacct
Jan 23 18:31:57 server kernel: Linux version 3.10.0-957.1.3.el7.x86_64 (mockbuild@kbuilder.bsys.centos.org) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-36) (GCC) ) #1 SMP Thu Nov 29 14:49:43 UTC 2018
Jan 23 18:31:57 server kernel: Command line: BOOT_IMAGE=/vmlinuz-3.10.0-957.1.3.el7.x86_64 root=/dev/md/2 ro biosdevname=0 crashkernel=auto nomodeset rd.auto=1 consoleblank=0 LANG=en_US.UTF-8
Jan 23 18:31:57 server kernel: e820: BIOS-provided physical RAM map:
Jan 23 18:31:57 server kernel: BIOS-e820: [mem 0x0000000000000000-0x000000000009d7ff] usable
Jan 23 18:31:57 server kernel: BIOS-e820: [mem 0x000000000009d800-0x000000000009ffff] reserved
Jan 23 18:31:57 server kernel: BIOS-e820: [mem 0x00000000000e0000-0x00000000000fffff] reserved
Jan 23 18:31:57 server kernel: BIOS-e820: [mem 0x0000000000100000-0x00000000c6d87fff] usable
Jan 23 18:31:57 server kernel: BIOS-e820: [mem 0x00000000c6d88000-0x00000000c6d8efff] ACPI NVS
Jan 23 18:31:57 server kernel: BIOS-e820: [mem 0x00000000c6d8f000-0x00000000c71d3fff] usable
Jan 23 18:31:57 server kernel: BIOS-e820: [mem 0x00000000c71d4000-0x00000000c7764fff] reserved
Jan 23 18:31:57 server kernel: BIOS-e820: [mem 0x00000000c7765000-0x00000000d8da8fff] usable
Jan 23 18:31:57 server kernel: BIOS-e820: [mem 0x00000000d8da9000-0x00000000d8e3efff] reserved
Jan 23 18:31:57 server kernel: BIOS-e820: [mem 0x00000000d8e3f000-0x00000000d8e8ffff] usable
Jan 23 18:31:57 server kernel: BIOS-e820: [mem 0x00000000d8e90000-0x00000000d8fc7fff] ACPI NVS
Jan 23 18:31:57 server kernel: BIOS-e820: [mem 0x00000000d8fc8000-0x00000000d9ffefff] reserved
Jan 23 18:31:57 server kernel: BIOS-e820: [mem 0x00000000d9fff000-0x00000000d9ffffff] usable
Jan 23 18:31:57 server kernel: BIOS-e820: [mem 0x00000000db000000-0x00000000df1fffff] reserved
Jan 23 18:31:57 server kernel: BIOS-e820: [mem 0x00000000f8000000-0x00000000fbffffff] reserved
Jan 23 18:31:57 server kernel: BIOS-e820: [mem 0x00000000fec00000-0x00000000fec00fff] reserved
Jan 23 18:31:57 server kernel: BIOS-e820: [mem 0x00000000fed00000-0x00000000fed03fff] reserved
Jan 23 18:31:57 server kernel: BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved
Jan 23 18:31:57 server kernel: BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff] reserved
Jan 23 18:31:57 server kernel: BIOS-e820: [mem 0x00000000ff000000-0x00000000ffffffff] reserved
Jan 23 18:31:57 server kernel: BIOS-e820: [mem 0x0000000100000000-0x000000081edfffff] usable
Jan 23 18:31:57 server kernel: NX (Execute Disable) protection: active
Jan 23 18:31:57 server kernel: SMBIOS 2.8 present.
Jan 23 18:31:57 server kernel: DMI: MSI MS-7816/H87-G43 (MS-7816), BIOS V2.14B14 07/13/2018
Jan 23 18:31:57 server kernel: e820: last_pfn = 0x81ee00 max_arch_pfn = 0x400000000
Jan 23 18:31:57 server kernel: PAT configuration [0-7]: WB WC UC- UC WB WP UC- UC
Jan 23 18:31:57 server kernel: total RAM covered: 32670M
Jan 23 18:31:57 server kernel: gran_size: 64K #011chunk_size: 64K #011num_reg: 10 #011lose cover RAM: 238M
Jan 23 18:31:57 server kernel: gran_size: 64K #011chunk_size: 128K #011num_reg: 10 #011lose cover RAM: 238M
Jan 23 18:31:57 server kernel: gran_size: 64K #011chunk_size: 256K #011num_reg: 10 #011lose cover RAM: 238M
Jan 23 18:31:57 server kernel: gran_size: 64K #011chunk_size: 512K #011num_reg: 10 #011lose cover RAM: 238M
Jan 23 18:31:57 server kernel: gran_size: 64K #011chunk_size: 1M #011num_reg: 10 #011lose cover RAM: 238M
Jan 23 18:31:57 server kernel: gran_size: 64K #011chunk_size: 2M #011num_reg: 10 #011lose cover RAM: 238M
Jan 23 18:31:57 server kernel: gran_size: 64K #011chunk_size: 4M #011num_reg: 10 #011lose cover RAM: 238M
Jan 23 18:31:57 server kernel: gran_size: 64K #011chunk_size: 8M #011num_reg: 10 #011lose cover RAM: 238M
Jan 23 18:31:57 server kernel: gran_size: 64K #011chunk_size: 16M #011num_reg: 10 #011lose cover RAM: 238M
Jan 23 18:31:57 server kernel: *BAD*gran_size: 64K #011chunk_size: 32M #011num_reg: 10 #011lose cover RAM: -18M
Jan 23 18:31:57 server kernel: *BAD*gran_size: 64K #011chunk_size: 64M #011num_reg: 10 #011lose cover RAM: -18M
Jan 23 18:31:57 server kernel: *BAD*gran_size: 64K #011chunk_size: 128M #011num_reg: 10 #011lose cover RAM: -16M
Jan 23 18:31:57 server kernel: *BAD*gran_size: 64K #011chunk_size: 256M #011num_reg: 10 #011lose cover RAM: -16M
Jan 23 18:31:57 server kernel: *BAD*gran_size: 64K #011chunk_size: 512M #011num_reg: 10 #011lose cover RAM: -16M
Jan 23 18:31:57 server kernel: *BAD*gran_size: 64K #011chunk_size: 1G #011num_reg: 10 #011lose cover RAM: -512M
Jan 23 18:31:57 server kernel: *BAD*gran_size: 64K #011chunk_size: 2G #011num_reg: 10 #011lose cover RAM: -1536M

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