Interpreting MCA error output

Daniel O'Connor doconnor at
Tue Oct 18 13:01:50 UTC 2011

On 18/10/2011, at 22:03, Jeremy Chadwick wrote:
>> It would be _super_ neat if the mcelog port installed a devd rule which emailed root@ with the human readable version of an MCA exception :)
>> I suspect this wouldn't be too difficult to do for a JKH.
> Why?  Most MCEs on FreeBSD will panic the machine.  I would need to go
> through the MCA code to see what all gets handled elegantly, but I
> imagine there isn't much.

If you see an MCA in your log file it didn't panic your machine, I think they're not uncommon.

> Also, isn't devd for device removal/insertions?  This would be using
> devd for something it isn't intended for.  I guess I have "moral
> objections" to it.  What you're really wanting is Solaris's fmd(1m)
> daemon, which I believe is also tied heavily into Solaris's smf(5)
> architecture.

I always thought devd was a fairly general event notification thing.

Daniel O'Connor software and network engineer
for Genesis Software -
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