From owner-freebsd-stable Fri Dec 28 11: 7: 6 2001 Delivered-To: freebsd-stable@freebsd.org Received: from technokratis.com (modemcable099.144-201-24.mtl.mc.videotron.ca [24.201.144.99]) by hub.freebsd.org (Postfix) with ESMTP id A004237B41C for ; Fri, 28 Dec 2001 11:06:58 -0800 (PST) Received: (from bmilekic@localhost) by technokratis.com (8.11.4/8.11.3) id fBSJBWe35271; Fri, 28 Dec 2001 14:11:32 -0500 (EST) (envelope-from bmilekic) Date: Fri, 28 Dec 2001 14:11:32 -0500 From: Bosko Milekic To: "Julien B." Cc: freebsd-stable@FreeBSD.ORG Subject: Re: NFS crashs with low kern.ipc.nmbclusters Message-ID: <20011228141132.B35188@technokratis.com> References: <20011228140310.A2232@harimandir> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20011228140310.A2232@harimandir>; from jbe@cpu.ath.cx on Fri, Dec 28, 2001 at 02:03:10PM +0100 Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Fri, Dec 28, 2001 at 02:03:10PM +0100, Julien B. wrote: > I have recently had my system crashing under high NFS load. I could reproduce > it with no problem, and it seams to happen with 1 NFSv3 linux client, uploading > big files (the crash happens after 300-400 Mbytes). Note that i've had the > same "success" with -STABLE and 4.4-RELEASE. > Just before crashing, syslog says "m_clalloc failed, consider increase > NMBCLUSTERS value", and the system crashs a couple of seconds later. > I did change the value of NMBCLUSTERS to 8192 (default is something around > 1024), and it really fixed that problem. > Is this usual to see systems crashing after unsuccessful m_clalloc() calls ? No, it is no longer usual. Please provide a stack trace. I have a feeling you may be crashing somewhere in the NFS code that does not check for a NULL being returned from m_clalloc. > -- > Regards > > Julien B -- Bosko Milekic bmilekic@FreeBSD.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message