nfe0 loses network connectivity (8.0-RELEASE-p2)

[Mikolaj Golub]

On Mon, 7 Jun 2010 16:06:11 +0200 Olaf Seibert wrote:

 OS> I do get the impression there is a mbuf leak somehow. On a much older
 OS> file server (FreeBSD 6.1, serves a bit of NFS but has no ZFS) the mbuf
 OS> cluster useage is much lower, despite a longer uptime:

 OS>     256/634/890/25600 mbuf clusters in use (current/cache/total/max)

 OS> Also, it shows signs that measures are taken in case of mbuf shortage:

 OS>     2259806/466391/598621 requests for mbufs denied (mbufs/clusters/mbuf+clusters)
 OS>     1016 calls to protocol drain routines

 OS> whereas the FreeBSD 8.0 machine has zero or very low numbers:

 OS>     0/3956/1959 requests for mbufs denied (mbufs/clusters/mbuf+clusters)
 OS>     0 calls to protocol drain routines

 OS> and useage keeps growing:

 OS>     26122/1782/27904/32768 mbuf clusters in use (current/cache/total/max)

It looks like the issue that has been fixed in STABLE.

http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/144330

-- 
Mikolaj Golub