linux-kernel - PCI Failed to allocate mem for PCI ROM

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Message-Id: <1B75C5A8-E512-40CB-A6F3-351640701D0D@kernel.crashing.org>
Date:	Fri, 11 Jan 2008 02:29:28 -0600
From:	Kumar Gala <galak@...nel.crashing.org>
To:	Greg KH <greg@...ah.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	linuxppc-dev list <linuxppc-dev@...abs.org>,
	linux-pci@...ey.karlin.mff.cuni.cz
Subject: PCI Failed to allocate mem for PCI ROM

Greg,

I'm getting the following message from the kernel on an embedded ppc32  
system:

PCI: Failed to allocate mem resource #9:100000@...00000 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?

- k
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