[olug] Machine randomly powers off

Justin Reiners justin at hotlinesinc.com
Mon Oct 17 11:50:49 CDT 2016

Fwiw I'd replace the power supply, they are cheap.

On Oct 17, 2016 11:42 AM, "Ben Hollingsworth" <obiwan at jedi.com> wrote:

> Hey all,
> I'm seeing some weird problems with my desktop box (Ubuntu 16.04), and I'm
> not sure what to look for next.  It just randomly (as far as I can tell)
> powers off every so often.  It might stay up for a few days, or it might
> say up for a few minutes.  I've witnessed it a couple times when I'm using
> the console, but it usually happens when it's sitting idle.  It always
> powers on & boots just fine when I press the power button.
> There's no mention of anything in the OS logs.  The machine just dies cold.
> MRTG graphs show nothing unusual related to heat, fan speeds, or
> voltages.  A visual inspection shows all fans spinning.
> The UPS (which is plenty big & has a new-ish battery) doesn't hint of any
> problems.  The BIOS is set to power back on if it shuts down due to a power
> loss, but that doesn't happen, so I don't think it's related to external
> power.  I'm running a Seasonic 700W PS that's been working great for
> years.  I do still have my old desktop box from which I could swap the
> (smaller) PS, but I haven't tried that yet.
> It has 4 sticks of RAM (2x4GB, 2x8GB), and I've swapped them out in all
> combinations, and swapped slots.  Memtest runs for hours with no errors, so
> I don't think it's RAM-related.
> I also still have the mobo/CPU/RAM from my old desktop box (which is
> significantly slower), but those aren't individually interchangeable with
> the new system.  Swapping all 6 of my hard drives between systems is time
> consuming, so I'd like to diagnose further before doing that.
> Before I go randomly replacing expensive or time consuming parts, where
> else should I be looking for the cause?  This is *really* annoying!
> --
> *Ben "Obi-Wan" Hollingsworth* obiwan at jedi.com <mailto:obiwan at jedi.com>
> www.Jedi.com <http://www.jedi.com>
> The stuff of earth competes for the allegiance I owe only to the
> Giver of all good things, so if I stand, let me stand on the
> promise that You will pull me through. /-- Rich Mullins/
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