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Date:      Sun, 05 Dec 2004 16:44:36 -0800
From:      Jeff Behl <jbehl@fastclick.com>
To:        Barney Wolff <barney@databus.com>
Cc:        current@freebsd.org
Subject:   Re: mbuf count negative
Message-ID:  <41B3AB74.6050801@fastclick.com>
In-Reply-To: <20041205170808.GA96727@pit.databus.com>
References:  <20041205170808.GA96727@pit.databus.com>

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even better:

442444 mbufs in use
18446744073709494664/25600 mbuf clusters in use (current/max)
0/0/0 sfbufs in use (current/peak/max)
18014398509478691 KBytes allocated to network
0 requests for sfbufs denied
0 requests for sfbufs delayed
0 requests for I/O initiated by sendfile
8 calls to protocol drain routines

uname -a:

FreeBSD www1.cdn.wdc 5.3-RELEASE FreeBSD 5.3-RELEASE #0: Wed Nov 17 
16:54:49 PST 2004     root@www1.cdn.wdc:/usr/obj/usr/src/sys/SMP  amd64

i've seen this on all iterations of 5.3 (betas/current).  this is also a 
dual proc amd system (opteron)...



Barney Wolff wrote:

>Is anybody else seeing this?
>
>lab:/root # netstat -m
>4294959731 mbufs in use
>1170/25600 mbuf clusters in use (current/max)
>0/3/6656 sfbufs in use (current/peak/max)
>448 KBytes allocated to network
>0 requests for sfbufs denied
>0 requests for sfbufs delayed
>0 requests for I/O initiated by sendfile
>650 calls to protocol drain routines
>lab:/root # uname -a
>FreeBSD lab.databus.com 6.0-CURRENT FreeBSD 6.0-CURRENT #0: Fri Dec  3 21:44:57 EST 2004     toor@lab.databus.com:/usr/obj/usr/src/sys/LAB  i386
>
>It happens almost instantly during periodic when the system is used to
>receive a backup via nfs.  Normal operation, including a dozen hours of
>port building, does not cause it.  It is consistent, 3 times now.
>
>H/W is Asus A7M266-D with 2xAthlon 2200MP, 1GB, 39160, gvinum, em.
>
>Problem did not occur with prior -current from 11/19/04.  Other than cvsup,
>I changed make.conf to say CPUTYPE=athlon-mp (was i686 or nothing).
>
>What can I do to help debug this?
>
>  
>



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