From owner-freebsd-stable@FreeBSD.ORG Mon Apr 28 10:24:58 2008 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 DEA57106564A for ; Mon, 28 Apr 2008 10:24:58 +0000 (UTC) (envelope-from gavin@FreeBSD.org) Received: from mail-gw1.york.ac.uk (mail-gw1.york.ac.uk [144.32.128.246]) by mx1.freebsd.org (Postfix) with ESMTP id 779CF8FC14 for ; Mon, 28 Apr 2008 10:24:58 +0000 (UTC) (envelope-from gavin@FreeBSD.org) Received: from mail-gw7.york.ac.uk (mail-gw7.york.ac.uk [144.32.129.30]) by mail-gw1.york.ac.uk (8.13.6/8.13.6) with ESMTP id m3S9rUb4009442; Mon, 28 Apr 2008 10:53:30 +0100 (BST) Received: from buffy-128.york.ac.uk ([144.32.128.160] helo=buffy.york.ac.uk) by mail-gw7.york.ac.uk with esmtps (TLSv1:AES256-SHA:256) (Exim 4.63) (envelope-from ) id 1JqQ38-0004vA-Jj; Mon, 28 Apr 2008 10:53:30 +0100 Received: from buffy.york.ac.uk (localhost [127.0.0.1]) by buffy.york.ac.uk (8.14.2/8.14.2) with ESMTP id m3S9rUh7062618; Mon, 28 Apr 2008 10:53:30 +0100 (BST) (envelope-from gavin@FreeBSD.org) Received: (from ga9@localhost) by buffy.york.ac.uk (8.14.2/8.14.2/Submit) id m3S9rTPP062617; Mon, 28 Apr 2008 10:53:29 +0100 (BST) (envelope-from gavin@FreeBSD.org) X-Authentication-Warning: buffy.york.ac.uk: ga9 set sender to gavin@FreeBSD.org using -f From: Gavin Atkinson To: d@delphij.net In-Reply-To: <481560AC.90109@delphij.net> References: <481560AC.90109@delphij.net> Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Mon, 28 Apr 2008 10:53:29 +0100 Message-Id: <1209376409.59233.14.camel@buffy.york.ac.uk> Mime-Version: 1.0 X-Mailer: Evolution 2.10.1 FreeBSD GNOME Team Port X-York-MailScanner: Found to be clean X-York-MailScanner-From: gavin@freebsd.org Cc: FreeBSD Stable Subject: Re: What does system do after "Uptime: "? 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: Mon, 28 Apr 2008 10:24:59 -0000 On Sun, 2008-04-27 at 22:29 -0700, Xin LI wrote: > Hi, > > Just wonder what the system would do after Uptime: during reboot? Will > there be any callbacks be called? I have received some report regarding > hangs after this, and IIRC the only operation is to IPI BSP to do reboot? Several callbacks are called after that message. Anything that registers with the shutdown_post_sync or shutdown_final event handler, for example, and the dump routine if you are using "reboot -d". Before trying to diagnose this, however, make sure you are running with sys/dev/usb/ehci_pci.c 1.30 (which has also been MFC'd to 6/7), as that seems to have been the cause of most of the recently reported "hangs after printing uptime" PRs. Gavin