From owner-freebsd-hackers Thu Oct 10 21:50:15 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 57C5B37B401 for ; Thu, 10 Oct 2002 21:50:14 -0700 (PDT) Received: from elvis.mu.org (elvis.mu.org [192.203.228.196]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1C30643EAF for ; Thu, 10 Oct 2002 21:50:14 -0700 (PDT) (envelope-from billf@elvis.mu.org) Received: by elvis.mu.org (Postfix, from userid 1098) id E63C8AE211; Thu, 10 Oct 2002 21:50:13 -0700 (PDT) Date: Thu, 10 Oct 2002 21:50:13 -0700 From: Bill Fumerola To: abe Cc: hackers@freebsd.org Subject: Re: fatal trap 12 kernel panic Message-ID: <20021011045013.GO80284@elvis.mu.org> References: <20021011044636.GA84506@dipole.informationwave.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20021011044636.GA84506@dipole.informationwave.net> User-Agent: Mutt/1.4i X-Operating-System: FreeBSD 4.7-MUORG-20020910 i386 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 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 */ -- - 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