Subject: Re: PCI Failed to allocate mem for PCI ROM

From: Jiri Slaby <[email-masked]>
Date: Fri, 11 Jan 2008 10:13:23 +0100

On 01/11/2008 10:07 AM, Kumar Gala wrote:
> 
> On Jan 11, 2008, at 2:41 AM, Jiri Slaby wrote:
> 
>> On 01/11/2008 09:29 AM, 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?
>>
>> Kernel version, please.
> 
> Sorry, its 2.6.24-rc7 + some ppc patches queued for 2.6.25

Could you try this patch?
http://git.kernel.org/?p=linux/kernel/git/gregkh/patches.git;a=blob_plain;f=pci/pci-remove-default-pci-expansion-rom-memory-allocation.patch

Greg: is this 2.6.25 material, please? We need this for SP2.

thanks,
-- 
Jiri Slaby
Faculty of Informatics, Masaryk University
Suse Labs