From owner-freebsd-current Wed Nov 14 10:14:41 2001 Delivered-To: freebsd-current@freebsd.org Received: from mail5.speakeasy.net (mail5.speakeasy.net [216.254.0.205]) by hub.freebsd.org (Postfix) with ESMTP id 5474A37B405 for ; Wed, 14 Nov 2001 10:14:36 -0800 (PST) Received: (qmail 18832 invoked from network); 14 Nov 2001 18:14:34 -0000 Received: from unknown (HELO laptop.baldwin.cx) ([64.81.54.73]) (envelope-sender ) by mail5.speakeasy.net (qmail-ldap-1.03) with SMTP for ; 14 Nov 2001 18:14:34 -0000 Message-ID: X-Mailer: XFMail 1.4.0 on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: <200111141716.fAEHGQG33323@bunrab.catwhisker.org> Date: Wed, 14 Nov 2001 10:14:34 -0800 (PST) From: John Baldwin To: David Wolfskill Subject: RE: lock order reversal for today's -CURRENT Cc: current@freebsd.org Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On 14-Nov-01 David Wolfskill wrote: > Built & booted today's -CURRENT; saw the following on the console & in > /var/log/messages: > > Nov 14 08:59:25 localhost /boot/kernel/kernel: lock order reversal > Nov 14 08:59:25 localhost /boot/kernel/kernel: 1st 0xc0427980 dev_pager > create @ /usr/src/sys/vm/device_pager.c:143 > Nov 14 08:59:25 localhost /boot/kernel/kernel: 2nd 0xc03feca0 pool mutex @ > /usr/src/sys/kern/kern_sx.c:329 This is due to the sx worker locks not using MTX_NOWITNESS with the pool mutex changes. It's not a problem though. -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message