Mailinglist Archive: opensuse (1581 mails)

[Adam Tauno Williams <awilliam@xxxxxxxxxxxxx>]

On Sat, 2010-02-27 at 23:48 +0100, Per Jessen wrote:
> Mark Hounschell wrote:
> > On 02/27/2010 05:12 AM, Per Jessen wrote:
> > > I was trying to turn ECC on whilst checking some new memory, but it
> > > seemed to be ignored.  I also tried enabling ECC and then restarting,
> > > didn't seem to make any difference.  Has anyone else seen this?
> > Not much sense in running a memory test with ECC on???
> Hmm, not sure, ECC only copes with single-bit errors - regardless,
> memtest86+ has the option to turn ECC on and off (except it doesn't
> seem to work).

Either way, running tests makes sense.  Every [??] ECC supporting system
has some mechanism to alert/alarm when a memory error occurs and it has
to perform a correction.   Most often this is a diode/light on the front
of the box; sometimes an LED display on the motherboard itself.  Pushing
the memory system to expose a potentially failing module is worthwhile -
a chip with ECC-correctable errors will quite probably promote itself to
a chip with non-correctable errors eventually.  ECC just gives you heads
up that you are headed down that road - without taking down your box.

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