strange 'vmstat -z' output

[Jason Hellenthal]

On Wed, Jul 06, 2011 at 04:40:54AM +0400, Sergey Kandaurov wrote:
> On 6 July 2011 02:46, Alexander Best <arundel at freebsd.org> wrote:
> > hi there,
> >
> > i'm seeing the following with 'vmstat -z' on CURRENT, running on amd64:
> >
> > ITEM                   SIZE  LIMIT     USED     FREE      REQ FAIL SLEEP
> > 128 Bucket:            1048,      0,     150,       0,    1650,12746,   0
> >
> > ...how can the number of failures be greater than the number of requests?
> 
> Here REQ is the total number of successful allocations, not just requests.
> 

I think he is refering to "FAIL" column not REQ.