From owner-freebsd-hackers Thu Oct 10 21:51:38 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 5158B37B401 for ; Thu, 10 Oct 2002 21:51:37 -0700 (PDT) Received: from mail1.informationwave.net (dipole.informationwave.net [199.74.235.3]) by mx1.FreeBSD.org (Postfix) with ESMTP id F36E643E97 for ; Thu, 10 Oct 2002 21:51:36 -0700 (PDT) (envelope-from abe@informationwave.net) Received: by mail1.informationwave.net (Postfix, from userid 1007) id 3D2294F921; Fri, 11 Oct 2002 00:49:56 -0400 (EDT) Date: Fri, 11 Oct 2002 00:49:56 -0400 From: abe To: Bill Fumerola Cc: hackers@freebsd.org Subject: Re: fatal trap 12 kernel panic Message-ID: <20021011044956.GA87029@dipole.informationwave.net> References: <20021011044636.GA84506@dipole.informationwave.net> <20021011045013.GO80284@elvis.mu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20021011045013.GO80284@elvis.mu.org> User-Agent: Mutt/1.4i Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Thu, Oct 10, 2002 at 09:50:13PM -0700, Bill Fumerola wrote: > On Fri, Oct 11, 2002 at 12:46:36AM -0400, abe wrote: > > > Unfortunately, feedback sent while in good intentions did not help. However, in further > > tinkering with this issue I believe I've come to a conclusion. I run a rather high-traffic > > server so I had initially increased net.inet.ip.fw.dyn_buckets to 500, from the default 256 > > as people were complaining that they were getting connection refusals. At the time of the > > complaints, it seemed the max dyn_buckets limit had been reached. In attempt to remedy this > > as I said above I increased it. After this week of going through many hardware tests and so > > forth trying multiple machines with the same rules and numerous fresh installations, > > tonight I set the default net.inet.ip.fw.dyn_buckets back to 256 and no issues. So then on a chance, > > I increased the value to 512. After this, I attempted to reproduce the panic with the same > > procedure I had taken before making this change. No panics post-change. > > static u_int32_t dyn_buckets = 256; /* must be power of 2 */ Well another issue solved, need thicker glasses it appears. Thanks much Bill. Funny thing is, it's been running without issue for almost a year now. Interesting. Regards, Abe > > -- > - bill fumerola / fumerola@yahoo-inc.com / billf@FreeBSD.org / billf@mu.org > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-hackers" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message