Kernel: Dazed and confuzed

How do you know that something is very wrong on your machine? Look into syslog and be dazed and confused …

Message from syslogd@grml at Sep 23 09:40:29 ...
 kernel:[ 1959.221966] Uhhuh. NMI received for unknown reason a9 on CPU 0.

Message from syslogd@grml at Sep 23 09:40:29 ...
 kernel:[ 1959.221982] You have some hardware problem, likely on the PCI bus.

Message from syslogd@grml at Sep 23 09:40:29 ...
 kernel:[ 1959.221988] Dazed and confused, but trying to continue