From owner-freebsd-hackers Tue Feb 6 5:14:55 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from brutus.conectiva.com.br (brutus.conectiva.com.br [200.250.58.146]) by hub.freebsd.org (Postfix) with ESMTP id 8C88D37B401 for ; Tue, 6 Feb 2001 05:14:32 -0800 (PST) Received: from localhost (riel@localhost) by brutus.conectiva.com.br (8.11.2/8.11.2) with ESMTP id f16DDKk21291; Tue, 6 Feb 2001 11:13:21 -0200 X-Authentication-Warning: duckman.distro.conectiva: riel owned process doing -bs Date: Tue, 6 Feb 2001 11:13:20 -0200 (BRDT) From: Rik van Riel X-Sender: riel@duckman.distro.conectiva To: Matt Dillon Cc: Dan Phoenix , Alfred Perlstein , Jos Backus , freebsd-hackers@FreeBSD.ORG Subject: Re: qmail IO problems In-Reply-To: <200102060231.f162VL557466@earth.backplane.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Mon, 5 Feb 2001, Matt Dillon wrote: > :file: table is full > :looutput: mbuf allocation failed > :nfs server 172.16.0.101:/bravenet1/home: is alive again > This sheds a considerable amount of light on the problems... > methinks you may have a low 'maxusers' setting in the kernel > config. Read on. Linux had problems with errors like this too, with kernel 2.0 and 2.2 when used under heavy load. In kernel 2.4 this has been solved by simply having the kernel allocate (and free) these structures on demand ... would that be an idea for FreeBSD ? Rik -- Linux MM bugzilla: http://linux-mm.org/bugzilla.shtml Virtual memory is like a game you can't win; However, without VM there's truly nothing to lose... http://www.surriel.com/ http://www.conectiva.com/ http://distro.conectiva.com/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message