From owner-freebsd-stable@FreeBSD.ORG Wed Apr 30 18:49:24 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 1E046106566C; Wed, 30 Apr 2008 18:49:24 +0000 (UTC) (envelope-from delphij@delphij.net) Received: from tarsier.delphij.net (unknown [IPv6:2001:470:1f03:2c9::2]) by mx1.freebsd.org (Postfix) with ESMTP id 7621F8FC2B; Wed, 30 Apr 2008 18:49:23 +0000 (UTC) (envelope-from delphij@delphij.net) Received: from tarsier.geekcn.org (tarsier.geekcn.org [202.108.54.204]) (using TLSv1 with cipher ADH-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by tarsier.delphij.net (Postfix) with ESMTPS id DB19428449; Thu, 1 May 2008 02:49:21 +0800 (CST) Received: from localhost (tarsier.geekcn.org [202.108.54.204]) by tarsier.geekcn.org (Postfix) with ESMTP id A1668EB598D; Thu, 1 May 2008 02:49:20 +0800 (CST) X-Virus-Scanned: amavisd-new at geekcn.org Received: from tarsier.geekcn.org ([202.108.54.204]) by localhost (mail.geekcn.org [202.108.54.204]) (amavisd-new, port 10024) with ESMTP id 7tPmL8OH2oUe; Thu, 1 May 2008 02:49:15 +0800 (CST) Received: from charlie.delphij.net (71.5.7.139.ptr.us.xo.net [71.5.7.139]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by tarsier.geekcn.org (Postfix) with ESMTPSA id 1669DEB0B8B; Thu, 1 May 2008 02:49:13 +0800 (CST) DomainKey-Signature: a=rsa-sha1; s=default; d=delphij.net; c=nofws; q=dns; h=message-id:date:from:reply-to:organization:user-agent: mime-version:to:cc:subject:references:in-reply-to: x-enigmail-version:openpgp:content-type:content-transfer-encoding; b=BpZPgl3NsIY1HH9KpfMx+z+YAGfCzp4SsqnJ6StU4PYjifU7xy2RuyaK01StA6lHx 5h0OK3WkD9TOkRgT7cawQ== Message-ID: <4818BF27.2080209@delphij.net> Date: Wed, 30 Apr 2008 11:49:11 -0700 From: Xin LI Organization: The FreeBSD Project User-Agent: Thunderbird 2.0.0.12 (X11/20080422) MIME-Version: 1.0 To: Gavin Atkinson References: <481560AC.90109@delphij.net> <1209376409.59233.14.camel@buffy.york.ac.uk> In-Reply-To: <1209376409.59233.14.camel@buffy.york.ac.uk> X-Enigmail-Version: 0.95.6 OpenPGP: id=18EDEBA0; url=http://www.delphij.net/delphij.asc Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: FreeBSD Stable , d@delphij.net, John Baldwin Subject: Re: What does system do after "Uptime: "? X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: d@delphij.net List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 30 Apr 2008 18:49:24 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Gavin Atkinson wrote: | 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. I see... It seems that this is the culprit. To John: Do you think it's worthy to make this an errata to the supported RELENG_6_X and RELENG_7_0 branches? Cheers, - -- Xin LI http://www.delphij.net/ FreeBSD - The Power to Serve! -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (FreeBSD) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkgYvycACgkQi+vbBBjt66DamQCgsgnPOzbdjw6do3PKnlyvB0yS TS0An0zct2EJ38BV0V5sJTWN7AsHkFO/ =FG0j -----END PGP SIGNATURE-----