From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <greg@kroah.com>
Received: from pentafluge.infradead.org (pentafluge.infradead.org
	[213.146.154.40])
	(using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
	(Client did not present a certificate)
	by ozlabs.org (Postfix) with ESMTP id 627C1DE092
	for <linuxppc-dev@ozlabs.org>; Sat, 12 Jan 2008 04:50:34 +1100 (EST)
Date: Fri, 11 Jan 2008 09:50:39 -0800
From: Greg KH <greg@kroah.com>
To: Kumar Gala <galak@kernel.crashing.org>
Subject: Re: PCI Failed to allocate mem for PCI ROM
Message-ID: <20080111175039.GB7916@kroah.com>
References: <1B75C5A8-E512-40CB-A6F3-351640701D0D@kernel.crashing.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
In-Reply-To: <1B75C5A8-E512-40CB-A6F3-351640701D0D@kernel.crashing.org>
Cc: linuxppc-dev list <linuxppc-dev@ozlabs.org>,
	linux-pci@atrey.karlin.mff.cuni.cz, LKML <linux-kernel@vger.kernel.org>
List-Id: Linux on PowerPC Developers Mail List <linuxppc-dev.ozlabs.org>
List-Unsubscribe: <https://ozlabs.org/mailman/listinfo/linuxppc-dev>,
	<mailto:linuxppc-dev-request@ozlabs.org?subject=unsubscribe>
List-Archive: <http://ozlabs.org/pipermail/linuxppc-dev>
List-Post: <mailto:linuxppc-dev@ozlabs.org>
List-Help: <mailto:linuxppc-dev-request@ozlabs.org?subject=help>
List-Subscribe: <https://ozlabs.org/mailman/listinfo/linuxppc-dev>,
	<mailto:linuxppc-dev-request@ozlabs.org?subject=subscribe>

On Fri, Jan 11, 2008 at 02:29:28AM -0600, Kumar Gala wrote:
> Greg,
>
> I'm getting the following message from the kernel on an embedded ppc32 
> system:
>
> PCI: Failed to allocate mem resource #9:100000@e0000000 for 0000:00:00.0
>
> The HW setup is a PCIe host controller and an e1000 NIC card.  It appears 
> that pci_bus_assign_resources() is trying to call pci_assign_resource() for 
> the ROM and the resource for the ROM is [100000:1fffff] where the PHB is 
> [c0000000:dfffffff].
>
> It seems like the resno that pci_assign_resource is getting called with is 
> wrong and thus pci_update_resource() doesn't get called.
>
> any ideas?

Nope, sorry, any help debugging this is appreciated, pci resource
allocation is "tricky" :)

thanks,

greg k-h