FreeBSD crashes

[Kris Kennaway]

n j wrote:
>> I hope someone can help me. I have started to experience
>> seemingly random crashes causing FreeBSD to shutdown and
>> power off the machine. The only trace I can find as far as
>> the reason for the crash is concerned are the following
>> excerpts from /var/log/messages:
>>
>> Mar 23 11:52:36 myhostname kernel: <<22>N>NMIMN NIMIMII IISISSSAAA
>> A  20,22 200E,0,I, S  EIEEASI ISAAS f Aff ff
>> Mar 23 11:52:36 myhostname kernel: f
>> Mar 23 11:52:36 myhostname kernel:
>> Mar 23 11:52:36 myhostname kernel: f<
>> Mar 23 11:52:36 myhostname kernel: 2<>2>
>> Mar 23 11:52:36 myhostname kernel: f
>> Mar 23 11:52:36 myhostname kernel:
>> Mar 23 11:52:47 myhostname syslogd: exiting on signal 15
>> Mar 23 13:04:32 myhostname syslogd: kernel boot file is
>> /boot/kernel/kernel
> 
> Small update: I have received some feedback that this seemingly random
> junk is related to ipfw
> (http://www.freebsd.org/cgi/query-pr.cgi?pr=116458).
> 
> However, I have also received information that this junk might not be
> completely random and could be, in fact, related to NMI (non-maskable
> interrupt) which would suggest hardware error. Any thoughts on this?
> 

Yep, it's definitely a NMI (interleaved from several CPUs at once) which 
  most likely means hardware failure.

Kris