kernel MCA messages

[Daniel O'Connor]

On 23/08/2010, at 10:48, Dan Langille wrote:
> What does this mean?
> 
> kernel: MCA: Bank 4, Status 0x940c4001fe080813
> kernel: MCA: Global Cap 0x0000000000000105, Status 0x0000000000000000
> kernel: MCA: Vendor "AuthenticAMD", ID 0xf5a, APIC ID 0
> kernel: MCA: CPU 0 COR BUSLG Source RD Memory
> kernel: MCA: Address 0x7ff6b0
> 
> FreeBSD 7.3-STABLE #1: Sun Aug 22 23:16:43

It's generated by machine check support, see..
/usr/src/sys/i386/i386/mca.c
/usr/src/sys/amd64/amd64/mca.c

Some info here..
http://en.wikipedia.org/wiki/Machine_check_architecture

No man page for it though.

--
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C