So, despite passing the torture test for a few days, it's now failed
during normal operation :( Unfortunately I've somewhat lost the desire
to investigate further, so I think it's time to buy new mobo, processor,
RAM and cooler.
Leo
On 29/05/15 22:02, Full Circle Podcast wrote:
> Swapping ram sticks between slots and repeating tests by logical process
> of deduction *should* reveal a breakdown and it may only be one
> defective chip on the stick, so temperature, running time and usage will
> combine to produce an irritatingly intermittent fault.
>
> Engineering and material tolerances aren't what they used to be with
> cheaper components.
>
> Two sets of cheap brand new Dell compatible memory failed out of the box
> this year looking very like this case.
>
> (power supply issue possible but not what I'd bet on. An old motherboard
> heating up and delaminating internally is also possible).
>
> RC
>
> On 19 May 2015 at 21:18, Leo <linux@???
> <mailto:linux@fractal.me.uk>> wrote:
>
> So with the memory mapping on, the torture test didn't hit any
> errors. So I'm tempted to use this as a short-term solution, and
> then at the weekend I'll looking at swapping the sticks around.
>
> For anyone that's interested: you can do this (on debian) by editing
> /etc/default/grub and to the line that begins:
> GRUB_CMDLINE_LINUX_DEFAULT=
> add something like:
> memmap=100M\\\$800M
> which will tell the kernel not to use the 100MB of memory starting
> at 800MB.
>
> Leo
>
> On 17/05/15 12:13, Neil Stone wrote:
>
> Before you do... swap them 1 for 1... you can possibly identify
> which
> stick is faulty...
>
> On 17 May 2015 12:09, "Leo" <linux@???
> <mailto:linux@fractal.me.uk>
> <mailto:linux@fractal.me.uk <mailto:linux@fractal.me.uk>>> wrote:
>
> 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>
> <mailto:linux@fractal.me.uk <mailto:linux@fractal.me.uk>>
> <mailto:linux@fractal.me.uk
> <mailto:linux@fractal.me.uk> <mailto:linux@fractal.me.uk
> <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
>
>
> --
> Please post to: Hampshire@???
> <mailto:Hampshire@mailman.lug.org.uk>
> Web Interface: https://mailman.lug.org.uk/mailman/listinfo/hampshire
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>
>
>
>
> --
> Rgds
> RC
>
> Robin Catling
> Full Circle Podcast
>
>
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