上网一段时间后不能上网，root的tty里出现的提示

LaoLang_cool

上网一段时间后不能上网，root的tty里出现的提示：
# Sep 6 08:37:02 myhost Uhhuh. NMI received. Dazed and confused, but trying to
continue
Sep 6 08:37:02 myhost You probably have a hardware problem with your RAM chips

archlinux 0.7.2
kernel 2.6.17