No buffer space available

Marc G. Fournier scrappy at
Fri Apr 6 18:55:36 UTC 2007

Hash: SHA1

- --On Friday, April 06, 2007 06:17:04 +0100 Chris <chrcoluk at> wrote:

> I am seeing the no buffer space error on a machine running 6.2 STABLE
> feb 24 code, the machine isn't using gmirror.  I had to recude
> recvspace and sendspace to lower values then I want to get round the
> problem.
> 67/1163/1230 mbufs in use (current/cache/total)
> 65/275/340/65536 mbuf clusters in use (current/cache/total/max)
> 65/255 mbuf+clusters out of packet secondary zone in use (current/cache)
> 0/0/0/0 4k (page size) jumbo clusters in use (current/cache/total/max)
> 0/0/0/0 9k jumbo clusters in use (current/cache/total/max)
> 0/0/0/0 16k jumbo clusters in use (current/cache/total/max)
> 146K/840K/987K bytes allocated to network (current/cache/total)
> 0/0/0 requests for mbufs denied (mbufs/clusters/mbuf+clusters)
> 0/0/0 requests for jumbo clusters denied (4k/9k/16k)
> 0/56/8704 sfbufs in use (current/peak/max)
> 0 requests for sfbufs denied
> 0 requests for sfbufs delayed
> 20233 requests for I/O initiated by sendfile
> 7740 calls to protocol drain routines

What ethernet driver are you using?  In my case, its an fxp device ... trying 
to see if there is *some* sort of common denominator here :(

I just upgraded to the latest kernel last night, to see if maybe a recent 
commit had a side-effect of fixing it, but won't know anything for another 48 
hours or so ...

- ----
Marc G. Fournier           Hub.Org Networking Services (
Email . scrappy at                              MSN . scrappy at
Yahoo . yscrappy               Skype:        ICQ . 7615664
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