From owner-freebsd-isp Thu Oct 15 14:11:11 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id OAA04242 for freebsd-isp-outgoing; Thu, 15 Oct 1998 14:11:11 -0700 (PDT) (envelope-from owner-freebsd-isp@FreeBSD.ORG) Received: from dt053nb4.san.rr.com (dt053nb4.san.rr.com [204.210.34.180]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id OAA04059 for ; Thu, 15 Oct 1998 14:10:49 -0700 (PDT) (envelope-from Studded@gorean.org) Received: from gorean.org (Studded@localhost [127.0.0.1]) by dt053nb4.san.rr.com (8.8.8/8.8.8) with ESMTP id OAA01001; Thu, 15 Oct 1998 14:09:52 -0700 (PDT) (envelope-from Studded@gorean.org) Message-ID: <362664A0.3209B97E@gorean.org> Date: Thu, 15 Oct 1998 14:09:52 -0700 From: Studded Organization: Triborough Bridge & Tunnel Authority X-Mailer: Mozilla 4.5b2 [en] (X11; I; FreeBSD 2.2.7-STABLE-1015 i386) X-Accept-Language: en MIME-Version: 1.0 To: "Mikhail A. Sokolov" CC: Pecsenyanszky Istvan , freebsd-isp@FreeBSD.ORG Subject: Re: kernel panic (out of mbuf's) References: <19981014011323.61957@demos.su> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org "Mikhail A. Sokolov" wrote: > > On Tue, Oct 13, 1998 at 08:57:16PM +0200, Pecsenyanszky Istvan wrote: > # Hi! > # > # I'm running 2.2.6-RELEASE, and lately it crashes frequently with the > # following message: > # > # Oct 13 15:50:05 fmback /kernel: Out of mbuf clusters - increase maxusers! > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > > a) increase maxusers, as handbook teaches, b) options "NMBCLUSTERS=4096". > When you exceed ti, try next 2x value, but don't raise NMBCLUSTERS to > >12288 (even though you hardly need it that high). Why should you not raise it above 12,288? What evidence do you have to support that? This is an issue near to my heart, so I would appreciate any details you can provide. I do agree however that leaving maxusers at 512 and increasing NMBCLUSTERS is the answer. IIRC, with maxusers at 512 there are around 8,000 mbuf clusters, so something higher than that would be the place to start. Doug -- *** Chief Operations Officer, DALnet IRC network *** Go PADRES! To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message