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Date:      Sat, 7 Apr 2007 20:12:00 +0100
From:      Chris <chrcoluk@gmail.com>
To:        "Marc G. Fournier" <scrappy@freebsd.org>
Cc:        "Brian A. Seklecki" <bseklecki@collaborativefusion.com>, Thiago Esteves de Oliveira <thiago@lamce.coppe.ufrj.br>, freebsd-stable@freebsd.org, freebsd-questions@freebsd.org
Subject:   Re: No buffer space available
Message-ID:  <3aaaa3a0704071212o3b4dce4dgd8def804e5b1156c@mail.gmail.com>
In-Reply-To: <0D3D8201F40120DCE73AD00B@ganymede.hub.org>
References:  <AEA472FF17EA8BD1BD5003C2@ganymede.hub.org> <3aaaa3a0704052217g67281716ge8a2d1a888025d0e@mail.gmail.com> <0D3D8201F40120DCE73AD00B@ganymede.hub.org>

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On 06/04/07, Marc G. Fournier <scrappy@freebsd.org> wrote:
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> - --On Friday, April 06, 2007 06:17:04 +0100 Chris <chrcoluk@gmail.com> 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 (http://www.hub.org)
> Email . scrappy@hub.org                              MSN . scrappy@hub.org
> Yahoo . yscrappy               Skype: hub.org        ICQ . 7615664
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Also to add I now have a 2nd box using 6.2 STABLE few days old code,
had to use it because of broadcom 5755 nic card, I plan to use large
tcp window sizes so will be interesting to see if this also suffers
from the problem.

Chris



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