Re: [Hampshire] Dead server

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Author: Leo
Date:  
To: Hampshire LUG Discussion List
Subject: Re: [Hampshire] Dead server
Hmmm, hadn't thought of that either. There's four slots and two sticks.
So I could move the two sticks to the free slots. I'm running another
mprime test at the mo, so I'll give that a go later.

Thanks,
Leo

On 17/05/15 12:06, Neil Stone wrote:
> What happens if you swap the ram slots (assume you have more than one
> ram stick) ?
>
> On 17 May 2015 12:02, "Leo" <linux@???
> <mailto:linux@fractal.me.uk>> wrote:
>
>     Unfortunately none of my computers share the same RAM type so I'd
>     have to purchase some more for that. So I thought I'd give this
>     memory mapping a go first.

>
>     Leo

>
>     On 17/05/15 11:41, Neil Stone wrote:

>
>         Damnit hit send too soon.

>
>         Try testing ram in another system is another, and very
>         conclusive, test.

>
>         Enjoy

>
>         On 17 May 2015 11:38, "Leo" <linux@???
>         <mailto:linux@fractal.me.uk>
>         <mailto:linux@fractal.me.uk <mailto:linux@fractal.me.uk>>> wrote:

>
>
>
>              On 14/05/15 09:40, Gordon Scott wrote:

>
>                  I'd go along with that.

>
>                  The ones that normally go are the electrolytic types ..
>                  aluminium cans
>                  with black(usually) printing. The electrolyte is a
>         liquid and
>                  tends to
>                  dry out over a number of years use in a warm
>         environment. Swelling,
>                  (usually of the flat top), discolouration, oozing
>         electrolyte.

>
>                  The next most likely candidates are tantalum
>         capacitors, which
>                  tend to
>                  be little black rectangular block. When they fail, they
>         tend to
>                  blow a
>                  corner off of the moulding, or sometimes just a small
>         hole/crater.

>
>                  Most of the rest will be ceramics, which are usually
>         trouble-free.

>
>                  Gordon.

>
>
>              So I've had a look at the capacitors, and I can't see any
>         that look
>              broken. I've also done some more investigation and found the
>              following: if the computer locks up and I then run memtest
>         on reboot
>              it finds errors in the same memory locations each time.
>         However if I
>              reboot cleanly it doesn't find errors. The fact it finds
>         them in the
>              same locations would indicate to me that it's a memory problem.
>              However, I also ran the mprime torture test, and that
>         failed on both
>              the memory intensive test, and the test that doesn't use much
>              memory. Which would tend to indicate that it's not a memory
>         problem.

>
>              I'm now trying a kernel parameter that should stop it using the
>              "bad" memory to see if that fixes it...

>
>              Leo

>
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>
>
>
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>
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