Comment 12 for bug 1307225

mce=ignore_ce indeed "fixes" the messages. However, it will mask real (important) errors as well.

Since Intel can't or won't correct the bug with a microcode update, how about filtering it in the kernel?

http://svnweb.freebsd.org/base/head/sys/x86/x86/mca.c?r1=269052&r2=269051&pathrev=269052