On 11/06/14 10:19, Richard Hector wrote:
> On 10/06/14 23:24, Ralf Mardorf wrote:
>> On Tue, 2014-06-10 at 23:07 +1200, Richard Hector wrote:
>>> On 10/06/14 23:04, Ralf Mardorf wrote:
>>>> On Tue, 2014-06-10 at 21:24 +1200, Richard Hector wrote:
>>>>> On 09/06/14 11:35, Bzzzz wrote:
>>>>>> On Mon, 09 Jun 2014 11:22:25 +1200 Richard Hector
>>>>>> <rich...@walnut.gen.nz> wrote:
>>>>>>> I assume the RAM needs replacing - is it possible to figure
>>>>>>> out which DIMM(s)?
>>>>>>
>>>>>> Install memtest86+ and boot on it, then leave at least 3
>>>>>> complete cycles to run.
>>>>>
>>>>> Thanks.
>>>>>
>>>>> Have created a memtest86+ CD and will try it tomorrow evening
>>>>> (need a scheduled time to take it down).
>>>>>
>>>>> Interestingly, there are no more errors logged for the last day
>>>>> and a half ...
>>>>>
>>>>> Any guesses as to how long these 3 complete cycles will take?
>>>>> It's a Sun Fire X2100 M2 (dual core opteron 1218, 2600MHz) with
>>>>> 4G of RAM. I haven't run memtest for ages ...
>>>>
>>>> IIRC one complete standard test with my dual-core Athlon 2.1 GHz 4
>>>> GiB RAM takes more than 1 hour. I guess in 1 day it does around 8
>>>> complete tests, perhaps I run it just during the night in half of a
>>>> day. I might be mistaken, but you should expect that you need to
>>>> run it for several hours.
>>>
>>> Thanks. I'm not sure how long we can afford to leave the machine down;
>>> hopefully the error will show up promptly. BTW - it will show an error
>>> even if ECC corrects it, right?
>>
>> No ECC here. I don't know.
>>
>> I used StartPage and searched for "memtest ECC". It seems to be, that
>> memetst isn't good to test ECC. The current version seems to provide
>> very limited hardware, seemingly Intel only.
>
> Yep. Halfway through the third pass; no errors yet. I'm not holding my
> breath.
> Any ideas on where to read up on those error messages, to figure out
> what they actually mean?
>
> Richard
>
Is it the cpu cache rather than ram?
https://bugzilla.kernel.org/show_bug.cgi?id=43205
https://bbs.archlinux.org/viewtopic.php?id=112113
rob
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