[CentOS] CentOS 6 spontaneous reboots

Mon May 30 00:59:35 UTC 2016
FrancisM <francis at mytechrepublic.com>

Check the hardware system health it could be that there is a faulty
component that triggering to reboot or maybe high temperature (overheated)
processor check your hardware fan if still working

On Monday, 30 May 2016, Keith Keller <kkeller at wombat.san-francisco.ca.us>

> Hi Bill,
> On 2016-05-30, Bill Gee <bgee at campercaver.net <javascript:;>> wrote:
> >
> > By luck I saw the beginning of a reboot on the server console.  Normally
> I have
> > other systems up on the KVM switch.  It appears to have dumped core.  I
> don't
> > know where to look for the core dump files.  They are not in /root.
> One place you might check is under /var/lib.  I think there may be a
> /var/lib/crash directory which contains core dumps.
> > I ran MemTest 86+.  No memory errors were found.
> Another option is to try Advanced Cluster Breakin, which runs other
> tests besides memory.
> http://www.advancedclustering.com/products/software/breakin/
> I've had it find problems that memtest hasn't (and vice-versa).
> > Lm_sensors shows the processor running between 45 and 50C.
> If the system supports IPMI, check those sensors and logs, there may be
> something useful there.  If you don't have IPMI, there may still be
> something in the BIOS logs (how you get to those varies wildly, you may
> need to boot into the BIOS to do it).
> I hope that helps!
> --keith
> --
> kkeller at wombat.san-francisco.ca.us <javascript:;>
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