Cosmic Rays and ECC

Sun,IBM and Cisco have given me the cosmic ray excuse a few times over the years but having a bit of a read of the Sci papers its seems to be a bit of an issue

http://www.boeing.com/assocproducts/radiationlab/publications/SEU_at_Ground_Level.pdf
http://www.cs.toronto.edu/~bianca/papers/sigmetrics09.pdf

ECC used to be a high end feature, now as ram becomes more dense you can expect errors in your systems almost daily

Here is a project to log the ECCs with Linux

http://www.anime.net/~goemon/linux-ecc/

there was a patent in 2007 to build detectors into RAM ICs
http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=7,309,866.PN.&OS=PN/7,309,866&RS=PN/7,309,866