From owner-freebsd-current@FreeBSD.ORG Mon Dec 29 19:21:30 2014 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id CDCC5265; Mon, 29 Dec 2014 19:21:30 +0000 (UTC) Received: from alchemy.franken.de (alchemy.franken.de [194.94.249.214]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "alchemy.franken.de", Issuer "alchemy.franken.de" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 388031EBA; Mon, 29 Dec 2014 19:21:29 +0000 (UTC) Received: from alchemy.franken.de (localhost [127.0.0.1]) by alchemy.franken.de (8.14.9/8.14.9/ALCHEMY.FRANKEN.DE) with ESMTP id sBTJLOmi092263 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Mon, 29 Dec 2014 20:21:25 +0100 (CET) (envelope-from marius@alchemy.franken.de) Received: (from marius@localhost) by alchemy.franken.de (8.14.9/8.14.9/Submit) id sBTJLOZn092262; Mon, 29 Dec 2014 20:21:24 +0100 (CET) (envelope-from marius) Date: Mon, 29 Dec 2014 20:21:24 +0100 From: Marius Strobl To: Roger Pau =?iso-8859-1?Q?Monn=E9?= Subject: Re: r276200: EFI boot failure: kernel stops booting at pci0: on pcib0 Message-ID: <20141229192124.GB63463@alchemy.franken.de> References: <20141226130113.5200bfbb.ohartman@zedat.fu-berlin.de> <1419621822.1018.187.camel@freebsd.org> <20141228205739.154243d8.ohartman@zedat.fu-berlin.de> <1419797387.1018.215.camel@freebsd.org> <54A13DDB.2040206@FreeBSD.org> <54A18780.7080601@citrix.com> <20141229191242.GA63463@alchemy.franken.de> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20141229191242.GA63463@alchemy.franken.de> User-Agent: Mutt/1.5.23 (2014-03-12) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.4.3 (alchemy.franken.de [0.0.0.0]); Mon, 29 Dec 2014 20:21:25 +0100 (CET) Cc: Adrian Chadd , Roger Pau =?iso-8859-1?Q?Monn=E9?= , "O. Hartmann" , Ian Lepore , FreeBSD CURRENT X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 29 Dec 2014 19:21:30 -0000 On Mon, Dec 29, 2014 at 08:12:42PM +0100, Marius Strobl wrote: > On Mon, Dec 29, 2014 at 05:55:28PM +0100, Roger Pau Monné wrote: > > El 29/12/14 a les 12.41, Roger Pau Monné ha escrit: > > > Hello, > > > > > > Sorry for not noticing this earlier, I've been without a computer for > > > some days. Do you get a panic message, or the system just freezes? > > > > > > Can you please post the full boot output with boot_verbose enabled? > > > > I'm not able to reproduce the problem with Qemu and OVMF, and I don't > > have any box right now that uses UEFI. > > > > I'm guessing that this is due to some memory reservation conflict, so > > I'm attaching a patch that should help diagnose it. > > You'll probably want to nuke RF_ACTIVE so the resources are marked > as taken but in case of vt_efifb(4), the memory isn't mapped twice. > I don't not know whether the latter actually is a problem for x86, > though, it'll likely at least replace the VM_MEMATTR_WRITE_COMBINING > mapping done in vt_efifb_remap(). Removing RF_ACTIVE in turn might > not be sufficient for the Xen bits to mark the resource as reserved, > this should be fixed in the FreeBSD/Xen code then, however. > Also end = size - 1, see the attached patch. Err, end = start + size - 1 that is. Marius