[Beowulf] RAM ECC errors

Henning Fehrmann henning.fehrmann at aei.mpg.de
Mon Feb 22 09:04:14 EST 2010


Hello,

we started monitoring the rate of correctable errors appearing in the RAM.
We also observed few uncorrectable errors. The corresponding kernel
module 'edac_core' can cause a Kernel Panic when such an event occurs,
which makes sense to avoid corrupted results. 

Is there a way to get some useful information before the kernel panics?
In particular are we looking for the process list to find out which
user was running what before the UE errors occurred. 

Thank you.

Cheers,
Henning
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