Re: CentOS 7 magically rebooted!

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Try use memtest this problem crash memóry on segment. Good luck
Em 21/01/2016 20:28, "Tom Robinson" <tom.robinson@xxxxxxxxxxxx> escreveu:

> CentOS Linux release 7.2.1511 (Core)
>
> Hi,
>
> Last night our CentOS 7 server rebooted. Seemingly it's a very clean
> reboot. I can't find a shred of
> evidence as to why it happened though.
>
> Things I've checked:
> * sa reports
> * /var/log/{messages,secure,dmesg,cron}
> * /var/log/audit/audit.log
> * lastlog
>
> The host is used for KVM virtualisation and connects via multipathing to
> our OmniOS SAN via infiniband.
>
> I can provide any logging you may think helpful
>
> Here's an excerpt from /var/log/messages at the time of reboot:
>
> ---8<---
> Jan 21 23:32:01 daytona systemd: Starting Session 10964 of user root.
> Jan 21 23:32:12 daytona systemd: Started Amanda Backup System (
> 192.168.0.31:703).
> Jan 21 23:32:12 daytona systemd: Starting Amanda Backup System
> (192.168.0.31:703)...
> Jan 21 23:33:01 daytona systemd: Started Session 10965 of user root.
> Jan 21 23:33:01 daytona systemd: Starting Session 10965 of user root.
> Jan 21 23:34:01 daytona systemd: Started Session 10966 of user root.
> Jan 21 23:34:01 daytona systemd: Starting Session 10966 of user root.
> Jan 21 23:35:01 daytona systemd: Started Session 10967 of user root.
> Jan 21 23:35:01 daytona systemd: Starting Session 10967 of user root.
> Jan 21 23:35:34 daytona systemd: Started Amanda Backup System (
> 192.168.0.31:703).
> Jan 21 23:35:34 daytona systemd: Starting Amanda Backup System
> (192.168.0.31:703)...
> Jan 21 23:36:01 daytona systemd: Started Session 10968 of user root.
> Jan 21 23:36:01 daytona systemd: Starting Session 10968 of user root.
> Jan 21 23:36:50 daytona systemd: Started Amanda Backup System (
> 192.168.0.31:703).
> Jan 21 23:36:50 daytona systemd: Starting Amanda Backup System
> (192.168.0.31:703)...
> Jan 21 23:37:02 daytona systemd: Started Session 10969 of user root.
> ---8<---
> Jan 21 23:53:01 daytona systemd: Starting Session 10985 of user root.
> Jan 21 23:54:01 daytona systemd: Started Session 10986 of user root.
> Jan 21 23:54:01 daytona systemd: Starting Session 10986 of user root.
> Jan 21 23:55:01 daytona systemd: Started Session 10987 of user root.
> Jan 21 23:55:01 daytona systemd: Starting Session 10987 of user root.
> Jan 21 23:56:01 daytona systemd: Started Session 10988 of user root.
> Jan 21 23:56:01 daytona systemd: Starting Session 10988 of user root.
> Jan 21 23:57:01 daytona systemd: Started Session 10989 of user root.
> Jan 21 23:57:01 daytona systemd: Starting Session 10989 of user root.
> Jan 21 23:58:01 daytona systemd: Started Session 10990 of user root.
> Jan 21 23:58:01 daytona systemd: Starting Session 10990 of user root.
> Jan 22 00:05:10 daytona rsyslogd: [origin software="rsyslogd"
> swVersion="7.4.7" x-pid="6886"
> x-info="http://www.rsyslog.com";] start
> Jan 22 00:05:10 daytona rsyslogd-2307: warning: ~ action is deprecated,
> consider using the 'stop'
> statement instead [try http://www.rsyslog.com/e/2307 ]
> Jan 22 11:02:38 daytona journal: Runtime journal is using 8.0M (max
> allowed 4.0G, trying to leave
> 4.0G free of 125.8G available → current limit 4.0G).
> Jan 22 11:02:38 daytona kernel: Initializing cgroup subsys cpuset
> Jan 22 11:02:38 daytona kernel: Initializing cgroup subsys cpu
> Jan 22 11:02:38 daytona kernel: Initializing cgroup subsys cpuacct
> Jan 22 11:02:38 daytona kernel: Linux version 3.10.0-327.4.4.el7.x86_64
> (builder@xxxxxxxxxxxxxxxxxxxxxxx) (gcc version 4.8.3 20140911 (Red Hat
> 4.8.3-9) (GCC) ) #1 SMP Tue
> Jan 5 16:07:00 UTC 2016
> Jan 22 11:02:38 daytona kernel: Command line:
> BOOT_IMAGE=/vmlinuz-3.10.0-327.4.4.el7.x86_64
> root=/dev/mapper/centos-root ro rd.lvm.lv=centos/swap rd.iscsi.firmware
> crashkernel=auto
> vconsole.keymap=us vconsole.font=latarcyrheb-sun16 ip=ibft
> bridge=br0:ibft0 rd.lvm.lv=centos/root
> LANG=en_AU.UTF-8
> Jan 22 11:02:38 daytona kernel: e820: BIOS-provided physical RAM map:
> Jan 22 11:02:38 daytona kernel: BIOS-e820: [mem
> 0x0000000000000000-0x0000000000095fff] usable
> Jan 22 11:02:38 daytona kernel: BIOS-e820: [mem
> 0x0000000000096000-0x000000000009ffff] reserved
> Jan 22 11:02:38 daytona kernel: BIOS-e820: [mem
> 0x00000000000e0000-0x00000000000fffff] reserved
> Jan 22 11:02:38 daytona kernel: BIOS-e820: [mem
> 0x0000000000100000-0x000000007df5cfff] usable
> Jan 22 11:02:38 daytona kernel: BIOS-e820: [mem
> 0x000000007df5d000-0x000000007e0c8fff] reserved
> Jan 22 11:02:38 daytona kernel: BIOS-e820: [mem
> 0x000000007e0c9000-0x000000007e2d7fff] ACPI NVS
> Jan 22 11:02:38 daytona kernel: BIOS-e820: [mem
> 0x000000007e2d8000-0x000000007f352fff] reserved
> Jan 22 11:02:38 daytona kernel: BIOS-e820: [mem
> 0x000000007f353000-0x000000007f7fffff] ACPI NVS
> Jan 22 11:02:38 daytona kernel: BIOS-e820: [mem
> 0x0000000080000000-0x000000008fffffff] reserved
> ---8<---
> Jan 22 11:05:00 daytona systemd: Starting Switch Root.
> Jan 22 11:05:00 daytona systemd: Starting Switch Root...
> Jan 22 11:05:00 daytona multipathd: 3600144f00000000000005272fc8f0002:
> stop event checker thread
> (139795286001408)
> Jan 22 11:05:00 daytona systemd: Switching root.
> Jan 22 11:05:00 daytona journal: Journal stopped
> Jan 22 00:05:03 daytona journal: Runtime journal is using 8.0M (max
> allowed 4.0G, trying to leave
> 4.0G free of 125.8G available → current li
> mit 4.0G).
> Jan 22 00:05:03 daytona journal: Runtime journal is using 8.0M (max
> allowed 4.0G, trying to leave
> 4.0G free of 125.8G available → current li
> mit 4.0G).
> Jan 22 00:05:03 daytona systemd-journald[322]: Received SIGTERM from PID 1
> (systemd).
> Jan 22 00:05:03 daytona kernel: type=1404 audit(1453421101.209:2):
> enforcing=1 old_enforcing=0
> auid=4294967295 ses=4294967295
> Jan 22 00:05:03 daytona kernel: type=1403 audit(1453421101.610:3): policy
> loaded auid=4294967295
> ses=4294967295
> Jan 22 00:05:03 daytona systemd[1]: Successfully loaded SELinux policy in
> 425.378ms.
>
> The messages 'Starting Session ...' appear every minute for several hours
> due to a couple of ssh
> sessions I left logged in. Is that cause for concern?
>
> Other than that there were a couple of messages from the amanda backup.
> Then the host reboots. The
> timestamp at boot is of note: it reverts to UTC and then back to our local
> timezone at the end of
> the boot cycle. Is that normal and can it be configured otherwise?
>
> Any help is appreciated.
>
> Kind regards,
> Tom
>
>
> --
>
> Tom Robinson
> IT Manager/System Administrator
>
> MoTeC Pty Ltd
>
> 121 Merrindale Drive
> Croydon South
> 3136 Victoria
> Australia
>
> T: +61 3 9761 5050
> F: +61 3 9761 5051
> E: tom.robinson@xxxxxxxxxxxx
>
>
> _______________________________________________
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> https://lists.centos.org/mailman/listinfo/centos
>
>
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