Hi,
Thank you.
Here is my log /var/log/messages
Jan 17 15:39:51 localhost rsyslogd: [origin software=“rsyslogd” swVersion=“7.4.7” x-pid=“560” x-info=“http://www.rsyslog.com”] start
Jan 17 15:39:36 localhost journal: Runtime journal is using 8.0M (max 189.4M, leaving 284.2M of free 1.8G, current limit 189.4M).
Jan 17 15:39:36 localhost journal: Runtime journal is using 8.0M (max 189.4M, leaving 284.2M of free 1.8G, current limit 189.4M).
Jan 17 15:39:36 localhost kernel: CPU0 microcode updated early to revision 0x60f, date = 2010-09-29
Jan 17 15:39:36 localhost kernel: Initializing cgroup subsys cpuset
Jan 17 15:39:36 localhost kernel: Initializing cgroup subsys cpu
Jan 17 15:39:36 localhost kernel: Initializing cgroup subsys cpuacct
Jan 17 15:39:36 localhost kernel: Linux version 3.10.0-229.el7.x86_64 (builder@kbuilder.dev.centos.org) (gcc version 4.8.2 20140120 (Red Hat 4.8.2-16) (GCC) ) #1 SMP Fri Mar 6 11:36:42 UTC 2015
Jan 17 15:39:36 localhost kernel: Command line: BOOT_IMAGE=/vmlinuz-3.10.0-229.el7.x86_64 root=UUID=be25c354-166b-489a-b51c-4e2121f6015c ro crashkernel=auto rhgb quiet LANG=ko_KR.UTF-8
Jan 17 15:39:36 localhost kernel: e820: BIOS-provided physical RAM map:
Jan 17 15:39:36 localhost kernel: BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable
Jan 17 15:39:36 localhost kernel: BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved
Jan 17 15:39:36 localhost kernel: BIOS-e820: [mem 0x00000000000e0000-0x00000000000fffff] reserved
Jan 17 15:39:36 localhost kernel: BIOS-e820: [mem 0x0000000000100000-0x00000000cfd9ffff] usable
Jan 17 15:39:36 localhost kernel: BIOS-e820: [mem 0x00000000cfda0000-0x00000000cfdadfff] ACPI data
Jan 17 15:39:36 localhost kernel: BIOS-e820: [mem 0x00000000cfdae000-0x00000000cfdeffff] ACPI NVS
Jan 17 15:39:36 localhost kernel: BIOS-e820: [mem 0x00000000cfdf0000-0x00000000cfdfdfff] reserved
Jan 17 15:39:36 localhost kernel: BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff] reserved
Jan 17 15:39:36 localhost kernel: BIOS-e820: [mem 0x00000000ffb80000-0x00000000ffffffff] reserved
Jan 17 15:39:36 localhost kernel: BIOS-e820: [mem 0x0000000100000000-0x000000012fffffff] usable
Jan 17 15:39:36 localhost kernel: NX (Execute Disable) protection: active
Jan 17 15:39:36 localhost kernel: SMBIOS 2.5 present.
Jan 17 15:39:36 localhost kernel: No AGP bridge found
Jan 17 15:39:36 localhost kernel: e820: last_pfn = 0x130000 max_arch_pfn = 0x400000000
Jan 17 15:39:36 localhost kernel: x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106
Jan 17 15:39:36 localhost kernel: total RAM covered: 4094M
Jan 17 15:39:36 localhost kernel: Found optimal setting for mtrr clean up
Jan 17 15:39:36 localhost kernel: gran_size: 64K chunk_size: 4M num_reg: 6 lose cover RAM: 0G
Jan 17 15:39:36 localhost kernel: e820: last_pfn = 0xcfda0 max_arch_pfn = 0x400000000
Jan 17 15:39:36 localhost kernel: found SMP MP-table at [mem 0x000ff780-0x000ff78f] mapped at [ffff8800000ff780]
Jan 17 15:39:36 localhost kernel: init_memory_mapping: [mem 0x00000000-0x000fffff]
Jan 17 15:39:36 localhost kernel: init_memory_mapping: [mem 0x12fe00000-0x12fffffff]
Jan 17 15:39:36 localhost kernel: init_memory_mapping: [mem 0x12c000000-0x12fdfffff]
Jan 17 15:39:36 localhost kernel: init_memory_mapping: [mem 0x100000000-0x12bffffff]
Jan 17 15:39:36 localhost kernel: init_memory_mapping: [mem 0x00100000-0xcfd9ffff]
Jan 17 15:39:36 localhost kernel: RAMDISK: [mem 0x3601c000-0x37005fff]
Jan 17 15:39:36 localhost kernel: ACPI: RSDP 00000000000f9b80 00014 (v00 ACPIAM)
Jan 17 15:39:36 localhost kernel: ACPI: RSDT 00000000cfda0000 00040 (v01 073108 RSDT1329 20080731 MSFT 00000097)
Jan 17 15:39:36 localhost kernel: ACPI: FACP 00000000cfda0200 00084 (v01 073108 FACP1329 20080731 MSFT 00000097)
Jan 17 15:39:36 localhost kernel: ACPI: DSDT 00000000cfda0440 05AF2 (v01 1AAAA 1AAAA000 00000000 INTL 20051117)
Jan 17 15:39:36 localhost kernel: ACPI: FACS 00000000cfdae000 00040