[clue-tech] Unexpected Reboots

[Jim Ockers]

Hi Glen,

> William wrote:
> > List,
> >
> > One of my RHEL/CentOS servers appears to be restarting itself
> > unexpectedly.
> The short version:
> 
> When I've seen this before, it turned out there was a problem with the
> CPU, which I at first thought was a disk problem....
> 
> longer version:
>  Started like you describe, and was eventually accompanied by debug
> messages sent to the console that would occasionally cause the system to
> hang...(things relating to I/O and stuff in dmesg about access problems,
> and forced fsck of /), and eventually it started chewing up my disks and
> the OS installation installed thereon. It took many months of
> observation and a somewhat final series of crashes (won't boot
> consistantly, might run for a bit if booted, and so on.) to finally
> reach that conclusion.

Thanks for the clue.  What kind of CPU was in the box?  William -
what CPU is in your box?

I have an unattended server that is doing the same thing.  Every few
days it appears to spontaneously reboot itself.  Here is the cpuinfo:

processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 11
model name      : Intel(R) Pentium(R) III CPU family      1133MHz
stepping        : 1
cpu MHz         : 1130.536
cache size      : 512 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 2
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr 
sse
bogomips        : 2254.43

It's a Dell PE2500 system with Intel Pentium III Xeon processor.  It's
running a mish-mash of software based on RH72 and kernel 2.4.20 (with
Red Hat patches and some system-specific customization).

It has 512MB of RAM.  Anyway I'm grasping at straws so whatever info
you can give me I'd appreciate.

Thanks,
Jim

-- 
Jim Ockers, P.Eng. (ockers at ockers.net)
Contact info: please see http://www.ockers.net/
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