From owner-freebsd-stable@FreeBSD.ORG Sat Aug 20 18:23:30 2011 Return-Path: Delivered-To: freebsd-stable@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C6852106566B; Sat, 20 Aug 2011 18:23:30 +0000 (UTC) (envelope-from marquis@roble.com) Received: from mx5.roble.com (mx5.roble.com [206.40.34.5]) by mx1.freebsd.org (Postfix) with ESMTP id B7EB08FC08; Sat, 20 Aug 2011 18:23:30 +0000 (UTC) Received: from mx5.roble.com (mx5.roble.com [206.40.34.5]) by mx5.roble.com (Postfix) with ESMTP id 2FCA867899; Sat, 20 Aug 2011 11:10:31 -0700 (PDT) Date: Sat, 20 Aug 2011 11:10:31 -0700 (PDT) From: Roger Marquis To: freebsd-jail@FreeBSD.org, freebsd-stable@FreeBSD.org In-Reply-To: <82E865FBA30747078AF6EE3C1701F973@multiplay.co.uk> References: <82E865FBA30747078AF6EE3C1701F973@multiplay.co.uk> User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Message-Id: <20110820182330.C6852106566B@hub.freebsd.org> Cc: Subject: Re: debugging frequent kernel panics on 8.2-RELEASE X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 20 Aug 2011 18:23:30 -0000 >> Repeat this enough times and prison0.pr_uref reaches zero. >> To reach zero even sooner just kill enough of non-jailed processes. Interesting. We've been getting kernel panics in -stable but with only one jail started at boot without being restarted. Are you using SAS drives by any chance? Setting ethernet polling and HZ? How about softupdates, gmirror, and/or anything in sysctl.conf? Roger Marquis