Re: bad RAM (Was: Schrödinger's hash)

On 5/25/26 04:16, Andy Smith wrote:
> Hi,


Hello.  :-)


> The only machines I have ECC RAM in also have Machine Check Exception
> messages go to a log in the firmware. I have experienced running
> memtest86 for a few successful complete passes and then finding messages
> in the firmware log about things that were corrected, which enabled me
> to locate the bad stick.
> 
> Also, most of the time I've had RAM fail it's done so in a way that ECC
> can't fix, because ECC can only correct a single bit flip.
> 
> So, I have continued ti find memtest86 useful although it would be a bit
> less so if I had no way to see the MCE log.


It sounds like I need to learn about Debian's "collectd-core" module and 
mcelog(8) (?).


David