From owner-freebsd-hackers Sun Mar 23 8:23:39 2003 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 9B86137B401; Sun, 23 Mar 2003 08:23:38 -0800 (PST) Received: from harmony.village.org (rover.bsdimp.com [204.144.255.66]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2D20743F75; Sun, 23 Mar 2003 08:23:37 -0800 (PST) (envelope-from imp@bsdimp.com) Received: from localhost (warner@rover2.village.org [10.0.0.1]) by harmony.village.org (8.12.8/8.12.3) with ESMTP id h2NGNZA7064254; Sun, 23 Mar 2003 09:23:36 -0700 (MST) (envelope-from imp@bsdimp.com) Date: Sun, 23 Mar 2003 09:23:05 -0700 (MST) Message-Id: <20030323.092305.83978540.imp@bsdimp.com> To: gurney_j@resnet.uoregon.edu Cc: mdodd@FreeBSD.ORG, dfr@FreeBSD.ORG, hackers@FreeBSD.ORG Subject: Re: bug in subr_bus.c? From: "M. Warner Losh" In-Reply-To: <20030323174445.K36261-100000@resnet.uoregon.edu> References: <20030321094447.E8716@sasami.jurai.net> <20030323174445.K36261-100000@resnet.uoregon.edu> X-Mailer: Mew version 2.1 on Emacs 21.2 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit 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 In message: <20030323174445.K36261-100000@resnet.uoregon.edu> John-Mark Gurney writes: : The bus code could use some locking in it... like you can't delete_child : from child_detache... and/or better docs on how to handle children... I'm : not even sure how I was doing things wrong, but I think it might of been : problems with my code not calling bus_generic_detach before calling : device_child_delete... I'm doing the locking, but you can do a bus_delete_child in a child's detach routine. Cardbus does this right now and it works when you unload the cardbus bridge... Warner To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message