Re: [Hampshire] Dead server

>>     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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