Locating a possible interrupt storm

Doug White dwhite at gumbysoft.com
Tue Feb 17 19:33:55 PST 2004


On Wed, 11 Feb 2004, Peter Jeremy wrote:

> My working hypothesis is that an interrupt storm is preventing the
> system from doing anything other than acknowledge interrupts.  Does
> this sound reasonable?  If not, can anyone suggest any alternate
> hypotheses?

Sounds about right. Monitor vmstat -i or 'show intr' from ddb; if any of
the numbers seems really high, there's your culprit.


-- 
Doug White                    |  FreeBSD: The Power to Serve
dwhite at gumbysoft.com          |  www.FreeBSD.org


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