From owner-freebsd-hackers@FreeBSD.ORG Mon Jun 20 20:43:37 2011 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 19F501065672 for ; Mon, 20 Jun 2011 20:43:37 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from cyrus.watson.org (cyrus.watson.org [65.122.17.42]) by mx1.freebsd.org (Postfix) with ESMTP id E2C9E8FC0C for ; Mon, 20 Jun 2011 20:43:36 +0000 (UTC) Received: from bigwig.baldwin.cx (66.111.2.69.static.nyinternet.net [66.111.2.69]) by cyrus.watson.org (Postfix) with ESMTPSA id 8E4B346B06; Mon, 20 Jun 2011 16:43:36 -0400 (EDT) Received: from jhbbsd.localnet (unknown [209.249.190.124]) by bigwig.baldwin.cx (Postfix) with ESMTPSA id 030808A027; Mon, 20 Jun 2011 16:43:36 -0400 (EDT) From: John Baldwin To: Ansar Mohammed Date: Mon, 20 Jun 2011 16:43:35 -0400 User-Agent: KMail/1.13.5 (FreeBSD/8.2-CBSD-20110325; KDE/4.5.5; amd64; ; ) References: <7B9E5AE3-C895-4D07-B923-A2F178B7B9BF@bsdimp.com> In-Reply-To: MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Message-Id: <201106201643.35418.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.6 (bigwig.baldwin.cx); Mon, 20 Jun 2011 16:43:36 -0400 (EDT) Cc: freebsd-hackers@freebsd.org Subject: Re: Shooting trouble on a PCI bus hang X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 20 Jun 2011 20:43:37 -0000 On Monday, June 20, 2011 4:03:26 pm Ansar Mohammed wrote: > So with a plethora of printfs in pci.c I managed to track it down to a call > to *pci_read_bar *against an AMD CS5536 PCI-ISA bridge. This somehow > intermittently hangs on bootup. > Any suggestions? Hmm, do you know what kind of BAR it is, or perhaps the raw value of the BAR that we first read that was setup by the firmware? -- John Baldwin